Samsung Electronics

KLM4G1FETE-B041 - 4GB eMMC 5.1 FBGA-153 | Samsung | Embedded Storage

MPN: KLM4G1FETE-B041 βœ“ Active
In Stock Ships in 1-3 business days
3 V (NAND area) Vdss FBGA-153 Package eMMC (embedded MultiMediaCard) Memory
From $3.5 USD / Unit
MOQ: 1 |
Price updated: 2026-09-01
Volume Pricing
Qty Unit Price Extended
1 $5.2 $5.20
10 $4.75 $47.50
100 $4.2 $420.00
500 $3.85 $1,925.00
1,000 $3.5 $3,500.00
ℹ️ All prices are in USD

Drop-in alternatives for KLM4G1FETE-B041 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:

KLM8G1GETF-B041

βœ… Drop-In
πŸ“¦ FBGA-153
8 GB density vs 4 GB (2x capacity), same eMMC 5.1 footprint, pin-to-pin drop-in upgrade

πŸ“‹ Reference alternative (not in catalog)

KLM8G1FET

βœ… Drop-In ⚠️ 参数待ιͺŒθ―
πŸ“¦ FBGA-153
8 GB density vs 4 GB (-/+100% capacity), same family pinout, allows capacity scaling without PCB redesign

πŸ“‹ Reference alternative (not in catalog)

KLMAG1JETD

βœ… Drop-In ⚠️ 参数待ιͺŒθ―
πŸ“¦ FBGA-153
16 GB density vs 4 GB (4x capacity), same family pin-compatible footprint

πŸ“‹ Reference alternative (not in catalog)

ASFC4G31M-51BIN

βœ… Drop-In
πŸ“¦ FBGA-153
Alliance Memory 4 GB eMMC 5.1 second source, identical 153-ball footprint; verify Extended CSD registers with bootloader

πŸ“‹ Reference alternative (not in catalog)

MTFC4GACAE

βœ… Drop-In
πŸ“¦ FBGA-153
Micron 4 GB eMMC in JEDEC-standard 153-ball FBGA, same land pattern; suffix defines speed/temperature grade, verify Extended CSD

πŸ“‹ Reference alternative (not in catalog)

KLM4G1FETE-B041 Maximum Ratings & Electrical Characteristics

Memory Type eMMC (embedded MultiMediaCard)
Interface Standard eMMC 5.1 (MMC protocol v5.1)
Density 4 GByte (32 Gbit NAND)
Memory Organization 32 x 8
Memory Technology NAND Flash
Max Interface Mode HS400
VCC (VDDF) Supply Voltage 3 V (NAND area)
VCCQ (VDD) Supply Voltage 1.8 V or 3 V dual supply
Package FBGA-153
Mounting Type Surface Mount (BGA)
Enhanced Strobe Supported (eMMC 5.1)
Controller Integrated MMC controller with flash management
Width (Data Bus) 8-bit
Manufacturer Samsung Semiconductor, Inc.

KLM4G1FETE-B041 fbga-153 Pin Configuration Guide

Complete pinout information for KLM4G1FETE-B041 (fbga-153 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.

fbga-153 package pinout diagram for KLM4G1FETE-B041

No detailed pinout data available for KLM4G1FETE-B041.

Refer to the datasheet for full pin configuration.

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for KLM4G1FETE-B041 Drain-to-Source Voltage (Vds) Drain Current (Id)

No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

KLM4G1FETE-B041 is suitable for 6 applications: IoT Gateways and Smart Home Hubs, Industrial HMI and Data Loggers, Android / ARM Embedded Boards and SoMs, Networking Equipment Firmware Storage, Automotive Infotainment and Telematics (Non-Safety), Medical and Diagnostic Peripheral Devices.

🧩

IoT Gateways and Smart Home Hubs

IoT gateways and smart-home hubs need non-volatile storage for the OS image, middleware, and local data buffering, and the KLM4G1FETE-B041 fits this role precisely: its 4 GB capacity comfortably hosts a trimmed Linux build while its eMMC 5.1 HS400 interface (up to 400 MB/s bus class) keeps boot times short. The integrated Samsung controller handles wear leveling and ECC internally, so the host SoC only issues standard MMC v5.1 commands. Because the 153-ball FBGA is soldered, it tolerates vibration and tampering better than SD media. Power designers should hold VCCQ at 1.8V for low-power HS400 operation and use 10 uF bulk decoupling on both rails.

🏭

Industrial HMI and Data Loggers

Industrial human-machine interface panels and data loggers demand storage that survives vibration, wide temperature exposure, and years of continuous small-block writes. The KLM4G1FETE-B041 addresses these needs with a soldered 153-ball FBGA package, an internal controller performing wear leveling and bad-block management, and a JEDEC-standard eMMC 5.1 interface that mainstream SoCs boot directly. Its 4 GB density is typically ample for an HMI firmware image plus rotating log files; the dual 1.8V/3V VCCQ support lets it integrate into both legacy 3V and modern low-voltage control boards. For extreme endurance requirements, validate write endurance against your logging duty cycle and consider partition-level Enhanced CSD configuration.

πŸ–₯️

Android / ARM Embedded Boards and SoMs

ARM system-on-modules and Android single-board computers standardize on eMMC for rootfs storage, and the KLM4G1FETE-B041 is a mainstream 4 GB choice: Android 9-13 images fit within 4 GB, and the eMMC 5.1 HS400 mode minimizes app-launch and boot latency on the 8-bit bus. Boot ROMs on common SoCs (i.MX, Rockchip, Allwinner) boot directly from eMMC boot partitions managed by the Samsung internal controller, removing external boot-flash cost. Because pin-compatible Samsung family parts scale from 4 GB to 16 GB on the same PCB pad, one carrier-board design serves multiple storage SKUs. Designers should reserve VCCQ rail sequencing per the Samsung datasheet power-ramp requirements.

🌐

Networking Equipment Firmware Storage

Routers, switches, and wireless access points store firmware and configuration in onboard flash, and the KLM4G1FETE-B041 provides a managed, boot-capable solution: its eMMC boot partitions hold the bootloader, while the 4 GB main area stores dual firmware images for fail-safe OTA updates. HS400 mode shortens firmware load and config-reload times versus SPI NOR. The integrated Samsung controller abstracts NAND management from the network SoC, and the JEDEC eMMC 5.1 interface is supported natively by mainstream embedded Linux SDKs. Use 1.8V VCCQ for interface compatibility with modern SoCs, and validate Extended CSD register behavior if second-sourcing to Alliance or Micron equivalents.

πŸš—

Automotive Infotainment and Telematics (Non-Safety)

In-vehicle head units, telematics boxes, and cluster accessories use eMMC for map data, media, and firmware in non-safety-critical partitions. The KLM4G1FETE-B041's soldered FBGA package resists vibration far better than card media, and its integrated controller keeps flash management invisible to the infotainment SoC. The 4 GB density suits map caches and application stores in entry-tier units, while the pin-compatible Samsung family allows a 16 GB (KLMAG1JETD) upscale on the identical footprint for premium SKUs. Automotive deployments must confirm the temperature grade in the current Samsung datasheet and consider AEC-qualified eMMC variants where the safety plan requires them.

πŸ’Š

Medical and Diagnostic Peripheral Devices

Connected medical peripherals such as patient monitors, portable diagnostic analyzers, and infusion controllers require dependable local storage for calibration tables, patient session logs, and firmware. The KLM4G1FETE-B041 provides this with a managed eMMC 5.1 design: Samsung's internal controller performs ECC and wear leveling, so log-write cycles do not require host-side flash knowledge. The soldered 153-ball FBGA eliminates connector contact failures that plague removable cards in clinical environments, and 4 GB is generally sufficient for application firmware plus weeks of session records. Validate the operating temperature range and apply conservative derating in designs near thermal limits, and follow the datasheet power-ramp sequence for deterministic boot.

Recommended Products Summary

KLM8G1GETF-B041 Drop-in 8 GB capacity upgrade on the same footprint Used in: IoT Gateways and Smart Home Hubs, Android / ARM Embedded Boards and SoMs, Medical and Diagnostic Peripheral Devices ASFC4G31M-51BIN Alliance Memory second-source 4 GB eMMC Used in: IoT Gateways and Smart Home Hubs, Networking Equipment Firmware Storage, Medical and Diagnostic Peripheral Devices KLMAG1JETD 16 GB pin-compatible family upgrade for larger log retention Used in: Industrial HMI and Data Loggers, Networking Equipment Firmware Storage, Automotive Infotainment and Telematics (Non-Safety) MTFC4GACAE Micron second source in the same 153-ball footprint Used in: Industrial HMI and Data Loggers, Automotive Infotainment and Telematics (Non-Safety) KLM8G1FET Pin-compatible family part for capacity scaling Used in: Android / ARM Embedded Boards and SoMs
What is the Samsung KLM4G1FETE-B041?
The KLM4G1FETE-B041 is a 4 GB eMMC 5.1 embedded flash storage device from Samsung Semiconductor. According to the Samsung datasheet, it integrates NAND flash with an MMC controller implementing the MMC protocol v5.1, supports HS400 interface mode, and comes in a 153-ball FBGA package. It requires a 3V VCC supply and supports 1.8V or 3V dual VCCQ supply.
What is the price of KLM4G1FETE-B041?
As of 2026-09-01, the KLM4G1FETE-B041 lists at approximately $5.20 for single units on XAIPART, with quantity breaks down to roughly $3.50 at 1000 pieces. Distributors including DigiKey Marketplace, LCSC (part C500273), and 17 distributors tracked by Octopart carry the part; final pricing varies with stock and exchange rates, so request a quote for volume orders.
Where can I buy KLM4G1FETE-B041 online?
You can buy the KLM4G1FETE-B041 from XAIPART directly, or from distributors such as DigiKey Marketplace (listing 3277-KLM4G1FETE-B041-ND), LCSC, Jotrin Electronics, Veswin, and AB Sunshine Electronics. Octopart tracks 17 distributors for this part, so availability is generally good through both authorized and independent channels. Order on XAIPART for volume pricing and quote support.
Where to download the KLM4G1FETE-B041 datasheet PDF?
The official Samsung datasheet PDF for the KLM4G1FETE-B041 (eMMC 5.1, 32Gb-based) is available via the Samsung Semiconductor website and mirrored at datasheets.diptrace.com, Octopart, and datasheet4u.com. The datasheet covers the ballout, electrical specifications, Extended CSD register definitions, and power-up sequences. Always verify against the latest Samsung revision before finalizing your design.
What is the difference between KLM4G1FETE-B041 and KLM8G1GETF-B041?
The primary difference is storage density: the KLM4G1FETE-B041 provides 4 GB while the KLM8G1GETF-B041 provides 8 GB. Both implement the eMMC 5.1 interface and drop onto the same PCB pad, so the 8 GB part is a drop-in capacity upgrade. If your bootloader is sensitive, verify the Extended CSD register settings after the swap, but the electrical and mechanical interface is identical.
Can Micron or KIOXIA eMMC replace the KLM4G1FETE-B041?
Yes, in principle. Because eMMC follows a JEDEC package and interface standard, a 4 GB eMMC in the same 153-ball FBGA footprint from Micron, KIOXIA (Toshiba), or SK hynix drops onto the same land pattern as the KLM4G1FETE-B041, as documented in cross-reference guides such as pcbsync.com. However, check the Extended CSD register settings if your bootloader is picky, and validate boot behavior before production.
What is the best drop-in replacement for KLM4G1FETE-B041?
The best drop-in replacement when the KLM4G1FETE-B041 is out of stock is the Samsung KLM8G1GETF-B041 (8 GB eMMC 5.1), which uses the same PCB pad and gives double the capacity. For identical 4 GB density from a second source, the Alliance Memory ASFC4G31M-51BIN is designed as a direct comparison part to this Samsung device, per Alliance's published comparison document.
Is KLM4G1FETE-B041 the same as KLM8G1FET?
No, they are not the same part, but they are pin-compatible family members. The KLM4G1FETE-B041 stores 4 GB while KLM8G1FET-family parts store 8 GB. According to cross-reference guides, Samsung eMMC chips in the same family are pin-to-pin compatible, allowing designers to scale storage from 4 GB to 8 GB or 16 GB (e.g., KLMAG1JETD) without redesigning the PCB.
What are the key specifications of KLM4G1FETE-B041 that engineers should know?
Key specifications: 4 GByte (32 Gbit) NAND density organized 32 x 8; eMMC 5.1 interface with HS400 mode; 153-ball FBGA surface-mount package; 3V VCC (VDDF) supply for the NAND area; 1.8V or 3V dual VCCQ (VDD) supply for the interface; integrated MMC controller handling flash management per JEDEC-standard MMC protocol v5.1. These parameters define compatibility with both legacy 3V and modern 1.8V host interfaces.
Is KLM4G1FETE-B041 suitable for industrial embedded systems?
Yes, the KLM4G1FETE-B041 is widely used in industrial electronics, as noted by distributor descriptions covering embedded systems and industrial applications. Its managed eMMC design (integrated controller, wear leveling, ECC) removes host-side flash management burden, and the 153-ball FBGA soldered package is more vibration-tolerant than removable media. Confirm the operating temperature range in the current Samsung datasheet revision for your specific environment.
When should I choose the KLM4G1FETE-B041 over a larger eMMC like the KLM8G1GETF-B041?
Choose the KLM4G1FETE-B041 when your OS image plus application footprint fits comfortably in 4 GB and unit cost matters: 4 GB parts are typically 20-40% cheaper than 8 GB equivalents. Choose the 8 GB KLM8G1GETF-B041 when headroom for firmware updates, logs, or OTA images is needed. Since both share the same footprint, you can qualify the 4 GB part and re-source the 8 GB variant later without a PCB respin.
What is the Kioxia equivalent for the KLM4G1FETE-B041?
Kioxia (formerly Toshiba memory) produces 4 GB eMMC 5.1 devices in 153-ball FBGA packages that land on the same footprint as the KLM4G1FETE-B041, per eMMC cross-reference guides. Kioxia part numbers in the THGBMJ/THGBM family cover this segment; exact suffixes depend on speed grade and temperature. Because cross-brand parts must be validated for Extended CSD register compatibility and boot behavior, obtain the current Kioxia datasheet before qualifying the swap.
What supply voltages does the KLM4G1FETE-B041 require?
The KLM4G1FETE-B041 requires two supply rails. According to the LCSC product description and Samsung datasheet, a 3V supply is required for the NAND area (VDDF or VCC), while a 1.8V or 3V dual supply voltage (VDD or VCCQ) powers the interface. Design your power tree accordingly and observe the datasheet power-ramp sequence to ensure reliable initialization of the internal controller.
Hey Google, what can replace the KLM4G1FETE-B041?
You can replace the KLM4G1FETE-B041 with the Samsung KLM8G1GETF-B041 (8 GB, same footprint, drop-in upgrade) or other pin-compatible Samsung family parts such as KLM8G1FET or KLMAG1JETD (16 GB). Cross-brand 4 GB eMMC 5.1 parts in the 153-ball FBGA footprint from Micron, KIOXIA, SK hynix, or Alliance Memory (ASFC4G31M-51BIN) also drop onto the same PCB pad, subject to bootloader Extended CSD validation.
What interface and speed modes does the KLM4G1FETE-B041 support?
The KLM4G1FETE-B041 implements the eMMC 5.1 interface and supports the HS400 mode, per distributor specifications (suntsu.com and eastechic.com). HS400 doubles the data rate of HS200 by using both data edges with a strobe signal, reaching the top eMMC 5.1 bus speeds. The device communicates over the standard JEDEC MMC protocol v5.1, so standard eMMC host controllers and Linux mmcblk drivers work without modification.

Engineering reference data for KLM4G1FETE-B041 β€” comparison, design guidance, and compliance information.

Selection Guide

Choose the KLM4G1FETE-B041 when your firmware, OS, and data fit within 4 GB and unit cost is a priority - it is the cost-optimized point of Samsung's pin-compatible eMMC family. Choose KLM8G1GETF-B041 (8 GB) or KLMAG1JETD (16 GB) when you need headroom for OTA images, logging, or media; both drop onto the identical FBGA-153 pad, so qualifying them is a firmware/validation exercise, not a PCB respin. Choose the Alliance Memory ASFC4G31M-51BIN for an identical-density second source when single-sourcing risk matters, and budget time to verify Extended CSD register compatibility with your bootloader. Choose the Micron MTFC4GACAE when Micron's supply channel or longevity program is preferred. In all cross-brand cases, re-run boot, partitioning, and HS400/Enhanced Strobe validation before production release.

Comparison with Alternatives

Parameter This Product KLM8G1GETF-B041 KLM8G1FET KLMAG1JETD ASFC4G31M-51BIN MTFC4GACAE
Package FBGA-153 FBGA-153 - same FBGA-153 - same FBGA-153 - same FBGA-153 - same FBGA-153 - same
Brand Samsung Electronics Samsung Electronics Samsung Electronics Samsung Electronics Alliance Memory Micron Technology
Density 4 GB 8 GB 8 GB 16 GB 4 GB 4 GB
Interface eMMC 5.1, HS400 eMMC 5.1, HS400 eMMC 5.x eMMC 5.1 eMMC 5.1 eMMC 5.x
VCCQ Supply 1.8 V / 3 V dual [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED]
Pin Compatibility Samsung eMMC family reference Drop-in, same pad Pin-to-pin (family) Pin-to-pin (family) Drop-in per Alliance comparison doc JEDEC 153-ball footprint match
Second-Source Risk n/a (reference) None (same brand) None (same brand) None (same brand) Verify Extended CSD registers Verify Extended CSD + boot behavior
Typical Use 4 GB embedded storage Capacity upgrade 8 GB SKU scaling 16 GB premium SKU Identical 4 GB second source 4 GB cross-brand second source

Key Differentiators

  • Native 4 GB density at lowest system cost (vs KLM8G1GETF-B041)
  • Guaranteed same-brand footprint family (vs MTFC4GACAE)
  • Full eMMC 5.1 / HS400 feature set (vs KLM8G1FET)

Design Notes

Design the power tree for two rails: 3V on VCC (VDDF, NAND core area) and 1.8V or 3V on VCCQ (VDD, interface). For HS400 operation use 1.8V VCCQ. Follow the Samsung datasheet power-ramp sequence - VCC and VCCQ must ramp within the specified order and timing windows or the internal controller may fail to initialize. Place 10 uF bulk plus 0.1 uF high-frequency decoupling capacitors directly at each supply ball group.

FBGA-153 requires a mechanically reliable land pattern per the Samsung package drawing; use solder-mask-defined or non-solder-mask-defined pads consistently and inspect with X-ray on first articles. Route the 8-bit DAT[7:0], CMD, and CLK as a length-matched group; for HS400 keep CLK-to-DAT skews tight and reference the CLKDS strobe. Reserve a solder mask dam under the BGA for rework access.

Bootloader sensitivity is the most common second-sourcing failure: even pin-compatible eMMC parts may expose different Extended CSD register settings, causing a 'picky' bootloader to reject the device, as noted in eMMC cross-reference guides. Always re-validate boot, partition configuration, and Enhanced Strobe settings when swapping Samsung for Alliance Memory (ASFC4G31M-51BIN) or Micron (MTFC4GACAE) equivalents. Keep the datasheet power-sequence requirements in your test plan.

Compliance Information

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

Compliance status not stated in the provided web data; Samsung consumer eMMC parts are typically RoHS compliant - verify on the official Samsung product page before claiming compliance.

Data verified on: 2026-09-01 β€” data verified and curated by XAIPART's component engineering team

Related Searches

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Related Components & Terms

Samsung Electronics Samsung Semiconductor, Inc. KLM4G1FETE-B041 KLM8G1GETF-B041 KLMAG1JETD ASFC4G31M-51BIN Alliance Memory Micron Technology eMMC embedded MultiMediaCard eMMC 5.1 MMC protocol v5.1 HS400 NAND flash FBGA-153 BGA JEDEC Extended CSD registers Memory ICs VCCQ supply Enhanced Strobe IoT gateway storage Android embedded board wear leveling
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