NXP Semiconductors

SE051C2HQ1 - EdgeLock IoT Secure Element CC EAL6+ | NXP

MPN: SE051C2HQ1 βœ“ Active
In Stock Ships in 1-3 business days
20-HX2QFN (3x3 mm), exposed pad Package
From $6.45 USD / Unit
MOQ: 1 |
Price updated: 2026-09-13
Volume Pricing
Qty Unit Price Extended
1 $8.45 $8.45
10 $7.98 $79.80
100 $7.45 $745.00
500 $6.95 $3,475.00
1,000 $6.45 $6,450.00
ℹ️ All prices are in USD

SE051C2HQ1 Overview

The NXP Semiconductors SE051C2HQ1 is an EdgeLock SE051 Plug & Trust IoT secure element with Common Criteria EAL6+ certification (AVA_VAN.5 up to OS level), secure key storage, and field applet updatability via SEMS Lite, housed in a 20-pin HX2QFN (3x3 mm) package.

A secure element is a dedicated, tamper-resistant hardware IC within the power-management and security IC hierarchy that provides a root of trust for embedded systems. Unlike software-only security running on a general-purpose MCU, a secure element isolates cryptographic keys, certificates, and applets inside hardened hardware designed to resist physical and side-channel attacks, forming the anchor of an IoT device security chain.

Key features of the SE051C2HQ1 include anti-cracking hardware protection, secure key storage, and secure firmware upgrade capability. Unlike its predecessor EdgeLock SE050, the SE051 supports applet updates in the field through NXP SEMS Lite and lets developers deploy custom applets, extending product lifecycles without hardware redesign.

The device is certified to Common Criteria EAL6+ with AVA_VAN.5 vulnerability analysis up to the operating system level, one of the strongest certifications available for IoT secure elements. As part of the widely trusted EdgeLock SE050 Plug & Trust family, it maintains software and hardware compatibility, easing migration for existing SE050 designs.

Typical applications include IoT device identity and attestation, secure cloud onboarding for smart home and industrial sensors, payment and authentication terminals, and protection of connected infrastructure against counterfeiting and credential theft.

Designers should allow for secure key injection during manufacturing and plan the I2C communication interface routing per the Plug & Trust protocol; use NXP's Plug & Trust middleware to shorten integration time.

This page synthesizes distributor pricing, drop-in family alternatives, and practical design guidance not found in the manufacturer datasheet.

Drop-in alternatives for SE051C2HQ1 β€” same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool β€” Select alternative parts for side-by-side comparison:

SE051C2HQ2

βœ… Drop-In ⚠️ 参数待ιͺŒθ―
πŸ“¦ 20-HX2QFN (3x3)
different configuration/memory option within SE051 family, same package and pinout family; verify applet storage capacity

πŸ“‹ Reference alternative (not in catalog)

SE050C2HQ1

βœ… Drop-In ⚠️ 参数待ιͺŒθ―
πŸ“¦ 20-HX2QFN (3x3)
predecessor SE050, no field applet update (no SEMS Lite), same package and Plug & Trust protocol

πŸ“‹ Reference alternative (not in catalog)

SE050E2HQ1

βœ… Drop-In ⚠️ 参数待ιͺŒθ―
πŸ“¦ 20-HX2QFN (3x3)
SE050 variant with different storage configuration, lacks SE051 field updatability

πŸ“‹ Reference alternative (not in catalog)

SE050F2HQ1

βœ… Drop-In ⚠️ 参数待ιͺŒθ―
πŸ“¦ 20-HX2QFN (3x3)
SE050 family variant with different memory/credential configuration, same package footprint

πŸ“‹ Reference alternative (not in catalog)

SE051L2HQ1

βœ… Drop-In ⚠️ 参数待ιͺŒθ―
πŸ“¦ 20-HX2QFN (3x3)
SE051 family variant with reduced applet configuration, same package and certified security architecture

πŸ“‹ Reference alternative (not in catalog)

SE051C2HQ1 Maximum Ratings & Electrical Characteristics

Product Type IoT Secure Element (EdgeLock SE051)
Security Certification Common Criteria EAL6+ (AVA_VAN.5 up to OS level)
Key Storage Secure key storage
Hardware Protection Anti-cracking hardware protection
Firmware Upgradability Secure firmware upgrade / SEMS Lite applet updates in the field
Family EdgeLock SE050 Plug & Trust secure element family extension
Custom Applets Supported (developer-defined applets)
Package 20-HX2QFN (3x3 mm), exposed pad
Mounting Type Surface Mount
RoHS Status Compliant (per JLCPCB listing)
Lifecycle Status Active
Orderable Part Number SE051C2HQ1/Z01XDZ
Typical Applications IoT device identity, secure authentication, cloud onboarding

SE051C2HQ1 20-hx2qfn (3x3 mm), exposed pad Pin Configuration Guide

Pin configuration for SE051C2HQ1 (20-hx2qfn (3x3 mm), exposed pad package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.

20-hx2qfn (3x3 mm), exposed pad package pinout diagram for SE051C2HQ1

No detailed pinout data available for SE051C2HQ1.

Refer to the datasheet for full pin configuration.

Typical Applications

SE051C2HQ1 is suitable for 6 applications: IoT Device Identity and Attestation, Secure Cloud Onboarding, Smart Home Security, Industrial IoT and Infrastructure Protection, Authentication and Anti-Counterfeiting, Payment and Secure Terminals.

🧩

IoT Device Identity and Attestation

The SE051C2HQ1 anchors device identity for IoT endpoints by storing unique device certificates and private keys inside EAL6+-certified tamper-resistant hardware. Its CC EAL6+ (AVA_VAN.5 up to OS level) certification makes the stored identity resistant to physical probing and side-channel attacks that compromise keys stored in MCU flash. The Plug & Trust architecture lets the host MCU authenticate the device to cloud platforms during provisioning and at every connection. Because credentials never leave the secure element, a single compromised unit cannot be cloned into counterfeit devices. Designs typically place the SE051 on the host I2C bus and use NXP Plug & Trust middleware for certificate injection during manufacturing.

🌐

Secure Cloud Onboarding

Zero-touch cloud onboarding for smart home, industrial, and consumer IoT products relies on a hardware root of trust, and the SE051C2HQ1 supplies exactly that: secure key storage for the device private key and certificates used in enrollment with platforms such as AWS IoT Core or Azure IoT Hub. The device's secure firmware upgrade capability and SEMS Lite field applet updates let manufacturers update credentials or security applets after deployment, extending product life without recalls. Anti-cracking hardware protection defends against attackers attempting to extract enrollment secrets from returned or stolen units, keeping the cloud tenant boundary intact.

🏠

Smart Home Security

Smart locks, thermostats, cameras, and hubs handle security-critical credentials that must survive physical tampering, and the SE051C2HQ1 provides a ready-to-use, certified solution in a compact 3x3 mm 20-HX2QFN footprint suited to space-constrained consumer hardware. Its EAL6+ certification satisfies the escalating security certification requirements of major smart home ecosystems and regional IoT regulations. Because it is an extension of the widely trusted EdgeLock SE050 family, design teams already using SE050 can migrate with minimal software change, while gaining SEMS Lite field applet updates that let installed products receive security feature updates throughout their service life.

🏭

Industrial IoT and Infrastructure Protection

Industrial sensors, gateways, and controllers deployed in the field for 10+ years need security credentials that remain trustworthy against evolving attack techniques. The SE051C2HQ1 addresses this with EAL6+/AVA_VAN.5 certified protection, anti-cracking hardware, and the ability to update applets in the field through SEMS Lite as threat landscapes change. Its secure firmware upgrade path means operators can patch security behavior without physical access to installations. Industrial designs typically connect the SE051 via I2C to the host processor and rely on its Plug & Trust protocol to simplify integration, reducing time-to-market for certified industrial equipment.

πŸ”§

Authentication and Anti-Counterfeiting

Consumables, accessories, batteries, and spare parts can be authenticated with the SE051C2HQ1: the genuine article carries a secure element whose asymmetric key pair is verified by the host system, while counterfeit units cannot replicate the certified key storage. The anti-cracking hardware protection raises the cost of physical attacks above economic feasibility for counterfeiters. The compact 3x3 mm HX2QFN package and low integration effort via Plug & Trust middleware make it viable even in small, cost-sensitive accessories. With field applet updates, manufacturers can rotate authentication schemes if a cloning attempt is ever suspected in the market.

πŸ’³

Payment and Secure Terminals

Point-of-sale accessories and payment-adjacent terminals demand the highest certification levels, and the SE051C2HQ1's Common Criteria EAL6+ with AVA_VAN.5 up to OS level provides an assurance baseline recognized across payment ecosystems. Secure key storage protects terminal keys and merchant credentials, while secure firmware upgrade allows key rotation and security patches over the deployment life. The device inherits the proven EdgeLock SE050 Plug & Trust architecture trusted in many deployed payment designs, shortening certification discussions with acquirers and scheme owners. Its small 20-HX2QFN footprint fits mobile and unattended terminal form factors.

Recommended Products Summary

SE050C2HQ1 Predecessor secure element for cost-optimized identity designs Used in: IoT Device Identity and Attestation, Industrial IoT and Infrastructure Protection, Payment and Secure Terminals PN7150 NFC frontend for tap-based provisioning Used in: IoT Device Identity and Attestation SE050F2HQ1 SE050 family alternative for fixed-credential onboarding Used in: Secure Cloud Onboarding KW41Z NXP wireless MCU pairing for connected endpoints Used in: Secure Cloud Onboarding SE051L2HQ1 Cost-reduced SE051 family variant for high-volume consumer designs Used in: Smart Home Security PN7460 NXP NFC controller for reader/writer endpoints Used in: Smart Home Security, Payment and Secure Terminals LPC55S69 NXP MCU with TrustZone pairing as host controller Used in: Industrial IoT and Infrastructure Protection SE050E2HQ1 SE050 authentication variant for fixed-applet use cases Used in: Authentication and Anti-Counterfeiting NTAG 424 DNA NXP NFC tag for consumable authentication Used in: Authentication and Anti-Counterfeiting
What is the SE051C2HQ1 secure element?
The SE051C2HQ1 is an NXP EdgeLock SE051 Plug & Trust IoT secure element certified to Common Criteria EAL6+ with AVA_VAN.5 up to the OS level. It provides secure key storage, anti-cracking hardware protection, and secure firmware upgrade capability, and comes in a 20-pin HX2QFN (3x3 mm) package. According to NXP's product page, it extends the widely trusted EdgeLock SE050 family with field applet updatability for IoT devices.
What are the key specifications of SE051C2HQ1 that engineers should know?
The SE051C2HQ1 is an EdgeLock SE051 secure element with CC EAL6+ certification (AVA_VAN.5 to OS level), secure key storage, anti-cracking hardware protection, secure firmware upgrade, and SEMS Lite field applet updates, in a 20-HX2QFN 3x3 mm surface-mount package. It belongs to the EdgeLock SE050 Plug & Trust family, supports custom applets, and is RoHS compliant. These facts come from the NXP product page and distributor listings.
Where can I download the SE051C2HQ1 datasheet PDF?
The official SE051C2HQ1 datasheet is available directly from NXP at https://www.nxp.com/docs/en/data-sheet/SE051.pdf under the title 'Plug & Trust Secure Element'. Mirror copies of the datasheet for the orderable part SE051C2HQ1/Z01XDZ are also hosted on aggregators such as Alldatasheet and Octopart. Always prefer the NXP original, as it defines the binding product specification agreed between NXP and the customer.
What is the price of SE051C2HQ1?
The SE051C2HQ1/Z01XDZ starts at approximately $8.45 per unit in single quantities, as listed by LCSC, with volume discounts typically available from DigiKey, Mouser, and Octopart's seven connected distributors. Pricing fluctuates with stock and demand, so request a quote for volume pricing. Prices referenced here are as of 2026-09-13 and should be re-verified at order time.
Is SE051C2HQ1 in stock?
Yes, LCSC lists the SE051C2HQ1/Z01XDZ with 22 units in stock, and DigiKey states 'buy now, ships today' for the same orderable part. Octopart compares availability across 7 distributors. Because stock levels for secure elements change rapidly, check the distributor pages directly before committing to a production build, and consider buffer stock for new designs.
Where to buy SE051C2HQ1 online?
You can buy the SE051C2HQ1/Z01XDZ from authorized distributors including DigiKey (ships today), Mouser, and LCSC, with price and stock comparison available via Octopart, which aggregates 7 distributors for this part. For production volumes, contact NXP or its distribution partners for quotes and lead times. XAIPART also offers this part; request a quote for high-volume supply.
What is the lead time for SE051C2HQ1?
Exact lead time is not stated in the retrieved distributor data, but DigiKey's 'ships today' status indicates stock availability for small quantities as of 2026-09-13. For volume orders of the SE051C2HQ1, typical factory lead times for NXP secure elements should be confirmed with the distributor or NXP sales. Always verify lead time at order placement since it varies by allocation and demand.
What is the difference between SE051C2HQ1 and SE050C2HQ1?
The SE051 adds field applet updatability via SEMS Lite and support for developer-defined custom applets, while the SE050 is the earlier fixed-applet Plug & Trust device. Both belong to the same EdgeLock SE050 Plug & Trust family with the same certified security architecture (SE051 certified to CC EAL6+ with AVA_VAN.5). According to NXP, the SE051 is an extension of the SE050 family, easing migration for existing SE050 designs.
SE051C2HQ1 vs SE050 - which is better for IoT devices needing field updates?
The SE051C2HQ1 is the better choice when firmware or applet updates over the device lifetime are required, because it supports SEMS Lite applet updates in the field. If the security use case is fixed (e.g., immutable device identity) and updates will never change applets, the SE050 remains a proven, widely deployed option. Both share the Plug & Trust architecture and security certification, so the deciding factor is lifecycle flexibility.
Can SE051C2HQ1 replace SE050C2HQ1 in an existing design?
Yes, in principle the SE051 is pin- and family-compatible as an extension of the EdgeLock SE050 Plug & Trust family, and it maintains software architecture compatibility, so migration from SE050 is intended by NXP to be low-effort. However, pin compatibility and full drop-in equivalence should be verified against the latest SE051 datasheet pin configuration table for your specific package before swapping the footprint, and middleware versions must support the SE051.
What is the best drop-in replacement for SE051C2HQ1?
The best same-brand drop-in candidates are other EdgeLock SE051 family members with the same 20-HX2QFN 3x3 mm package, such as SE051C2HQ2 (variant memory/configuration) and the SE050 series parts (SE050C2HQ1, SE050E2HQ1, SE050F2HQ1) which the SE051 directly extends. No third-party cross-brand pin-compatible secure element was found in the cross-reference data; secure elements are rarely drop-in compatible across vendors due to proprietary Plug & Trust protocols.
When should I choose SE051C2HQ1 over a general MCU-based security solution?
Choose the SE051C2HQ1 when your IoT device requires certified tamper-resistant key storage, CC EAL6+ level assurance, and resistance to physical and side-channel attacks that software security on a general-purpose MCU cannot deliver. Use it as the root of trust for device identity, secure boot attestation, and cloud onboarding. If your threat model is only network-level and keys can live in an MCU's TrustZone-style enclave, an MCU-only solution may be lower cost.
Is SE051C2HQ1 suitable for smart home and industrial IoT applications?
Yes, the SE051C2HQ1 is specifically designed for IoT devices: NXP describes it as a 'ready-to-use secure element for IoT devices'. Its EAL6+ certification, secure key storage, and field applet update capability fit smart home devices, industrial sensors, and connected infrastructure that must authenticate to cloud platforms and resist counterfeiting and credential theft over a multi-year deployment life.
Is the SE051C2HQ1 RoHS compliant?
Yes, distributor listings for the SE051C2HQ1/Z01XDZ (including JLCPCB) mark the part as RoHS compliant. NXP's product page also includes an Environmental Quality section covering material declarations for the EdgeLock SE051 series. For formal documentation such as the material declaration report or REACH statements, download the compliance documents from the NXP SE051C2HQ1 product page.
Hey Google, what can replace SE051C2HQ1?
The closest replacements are NXP's own EdgeLock SE051 and SE050 family parts in the same 20-HX2QFN 3x3 mm package, such as SE050C2HQ1 or SE050F2HQ1, since the SE051 was designed as a compatible extension of the SE050 family. There is no verified cross-brand pin-compatible substitute in the cross-reference data; vendor-to-vendor secure element swaps normally require redesign because cryptographic applet interfaces differ.
What is the best cross-brand equivalent for SE051C2HQ1?
No cross-brand equivalent for the SE051C2HQ1 was found in the retrieved cross-reference data. Competing secure elements exist (for example Infineon OPTIGA Trust or STMicroelectronics STSAFE families), but they use different packages, pinouts, and proprietary command sets, so they are functional alternatives only, not drop-in equivalents. Any cross-brand substitution requires PCB and firmware redesign plus re-certification, so same-family NXP parts are the recommended path.
Where can I find the SE051C2HQ1 pinout?
The complete pin configuration for the SE051C2HQ1 20-HX2QFN (3x3 mm) package is provided in the official NXP datasheet 'Plug & Trust Secure Element' at https://www.nxp.com/docs/en/data-sheet/SE051.pdf. Because the exact pin table was not included in the retrieved web data, this page does not reproduce the pinout; consult the datasheet's pin configuration section for authoritative pin numbering and signal definitions.

Engineering reference data for SE051C2HQ1 β€” comparison, design guidance, and compliance information.

Selection Guide

Choose the SE051C2HQ1 when your IoT product needs certified tamper-resistant security (CC EAL6+ with AVA_VAN.5 to OS level) AND field updatability: SEMS Lite applet updates and custom applet deployment protect devices across long deployments and changing threats. Choose SE050C2HQ1 if the use case is fixed - immutable device identity, fixed authentication applet - and cost or proven-field-history matters more than updatability; the SE050 remains the widely deployed predecessor with the same Plug & Trust software model and identical 20-HX2QFN 3x3 mm footprint. Choose SE051C2HQ2 or SE051L2HQ1 within the SE051 family if a different memory/applet configuration fits your BOM. Avoid cross-vendor secure elements as drop-in replacements: different packages, pinouts, and proprietary command sets force PCB and firmware redesign plus re-certification. All alternatives listed here are same-footprint NXP family parts, enabling layout reuse and low-risk qualification.

Comparison with Alternatives

Parameter This Product SE051C2HQ2 SE050C2HQ1 SE050E2HQ1 SE050F2HQ1 SE051L2HQ1
Package 20-HX2QFN (3x3 mm) 20-HX2QFN (3x3 mm) - same 20-HX2QFN (3x3 mm) - same 20-HX2QFN (3x3 mm) - same 20-HX2QFN (3x3 mm) - same 20-HX2QFN (3x3 mm) - same
Brand NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors
Field Applet Update (SEMS Lite) Yes Yes No No No Yes
Custom Applet Support Yes Yes No (fixed applet) No (fixed applet) No (fixed applet) Yes
Family EdgeLock SE051 (SE050 extension) EdgeLock SE051 EdgeLock SE050 EdgeLock SE050 EdgeLock SE050 EdgeLock SE051
Lifecycle Status Active Active Active Active Active Active

Key Differentiators

  • Field applet updatability via SEMS Lite (vs SE050C2HQ1)
  • CC EAL6+ certification with AVA_VAN.5 up to OS level (vs SE050C2HQ1)
  • Backward family compatibility with SE050 Plug & Trust (vs SE050E2HQ1)

Design Notes

Plan credential provisioning early: keys and certificates must be injected into the SE051C2HQ1 during manufacturing or first boot using NXP's Plug & Trust provisioning flow and middleware. Retrofitting provisioning after production ramps typically forces rework of the assembly line. Verify that your host middleware version explicitly supports the SE051 (not only SE050), since SEMS Lite field applet updates require the newer software stack.

The SE051C2HQ1 uses a 20-pin HX2QFN 3x3 mm package with exposed pad. Place the device close to the host MCU on the shared I2C bus with short traces, and provide solid ground connection through the exposed pad to the PCB ground plane with an array of vias - this serves both electrical and tamper-resistance purposes. Keep the secure element's supply rail locally decoupled per the NXP datasheet recommendations to maintain reliable communication during cryptographic operations.

Ensure the SE051's supply rail is stable during cryptographic operations, which draw transient current beyond idle levels. Avoid sharing the secure element supply with high-switching-noise loads; a dedicated LDO or a well-filtered rail from the main regulator is preferred. Consult the official SE051 datasheet (https://www.nxp.com/docs/en/data-sheet/SE051.pdf) for exact voltage range, current consumption figures, and power sequencing requirements, as these values were not included in the retrieved web data.

Compliance Information

RoHS
Compliant
REACH
Unknown
AEC-Q100
Not Applicable
Lead Free
Unknown
Halogen Free
Unknown
Conflict Minerals
Unknown

RoHS compliance per JLCPCB listing for SE051C2HQ1/Z01XDZ. NXP product page includes Environmental Quality section; detailed REACH/lead-free declarations available from NXP material declaration documents.

Data verified on: 2026-09-13 β€” data verified and curated by XAIPART's component engineering team

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Related Components & Terms

NXP Semiconductors SE051C2HQ1 SE051C2HQ1/Z01XDZ EdgeLock SE051 EdgeLock SE050 SE050C2HQ1 secure element Plug & Trust Common Criteria EAL6+ AVA_VAN.5 SEMS Lite HX2QFN-20 QFN family surface mount RoHS IoT device identity secure key storage anti-cracking hardware protection secure firmware upgrade cloud onboarding authentication IC root of trust
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