TPD1E01B04DPYT - 0.18pF ±3.6V ESD Protection Diode | TI
N.º de pieza: TPD1E01B04DPYT ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $0.09 | $0,09 |
| 10 | $0.07 | $0,70 |
| 100 | $0.05 | $5,00 |
| 500 | $0.04 | $20,00 |
| 1.000 | $0.033 | $33,00 |
TPD1E01B04DPYT Descripción general
A TVS (transient voltage suppressor) diode is a circuit-protection semiconductor that diverts fast, high-energy transient events - such as electrostatic discharge (ESD), cable discharge, and induced surge - away from sensitive ICs. Within the power-protection hierarchy, the TPD1E01B04 belongs to the ESD-protection subfamily of TVS diode arrays, positioned alongside surge suppressors and circuit-protection ICs on the signal path of high-speed digital interfaces.
Key features include IEC 61000-4-2 Level 4 ESD immunity (air-gap discharge up to ±15 kV and contact discharge performance at the maximum Level 4 rating), ultra-low 0.18 pF to 0.20 pF line capacitance that preserves signal integrity on data rates up to 20 Gbps, and a bidirectional architecture that requires no polarity orientation on symmetric lines. The DPY 0402 (X1SON/XDFN-2) leadless package minimizes parasitic inductance, which directly reduces clamping voltage during sub-nanosecond ESD events.
The device uses a bidirectional TVS diode structure that remains invisible to the signal line in normal operation: at the ±3.6 V standoff it draws negligible leakage, then clamps fast transient overvoltage events to safe levels within nanoseconds. This combination of low capacitance and low clamping voltage is what distinguishes USB-C and Thunderbolt 3 rated parts from general-purpose TVS diodes.
Typical applications include USB Type-C SuperSpeed lane protection (USB 3.2 and USB4 up to 20 Gbps), Thunderbolt 3 port protection, HDMI and DisplayPort auxiliary channels, and other high-speed differential pairs in smartphones, tablets, docking stations, and notebooks.
Design consideration: place the diode as close to the connector as possible with a solid, short ground return - stub length between the protected line and the diode adds parasitic inductance that degrades clamping performance. Insertion loss should be re-simulated when channel data rates exceed 10 Gbps.
This page synthesizes verified distributor data, drop-in alternatives, practical design notes, and lifecycle information not consolidated in the manufacturer datasheet.
Alternativas directas para TPD1E01B04DPYT — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con TPD1E01B04DPYT (mismo factor de forma y huella) — difiere en Package, Peak Pulse Current (Ipp), Clamping Voltage, ESD Rating, Polarity.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
TPD1E05U06DPYR
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
TPD1E10B06DPYR
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$0.15 / unidad
Ver hoja de datos →TPD1E01B04DPYR
✅ Sustitución directa✓ En stock
$0.021 / unidad
Ver hoja de datos →TPD1E01B04DPYT Valores máximos y características eléctricas
| Protection Type | Bidirectional TVS ESD protection diode (1 channel) |
| Reverse Standoff Voltage | 3.6 V |
| Clamping Voltage | 15 V (max, at 2.5 A 8/20 us) |
| Peak Pulse Current (Ipp) | 2.5 A (8/20 us) |
| Capacitancia de entrada | 0.18 pF to 0.20 pF (typical) |
| ESD Rating | IEC 61000-4-2 Level 4, ±15 kV (air-gap) |
| Supported Data Rate | Up to 20 Gbps (USB-C / Thunderbolt 3) |
| Configuration | Single channel, bidirectional |
| Número de pines | 2 |
| Encapsulado | 2-X1SON (DPY, 0402 footprint, 1.0 mm x 0.6 mm) |
| Tipo de montaje | Surface Mount |
| Terminal Form | No lead |
| Applications | USB Type-C, Thunderbolt 3 |
| Estado RoHS | Compliant |
Configuración de pines de TPD1E01B04DPYT
| Pin 1 | I/O — Input/output to protected signal line (bidirectional TVS anode/cathode node) |
| Pin 2 | GND — Ground reference; transient current return path |
Aplicaciones típicas
TPD1E01B04DPYT es adecuado para 6 aplicacións: USB Type-C Port Protection, Thunderbolt 3 Interface Protection, Smartphone and Tablet I/O Protection, Docking Station and Hub Design, HDMI and DisplayPort Auxiliary Channels, Automotive Infotainment USB Ports.
USB Type-C Port Protection
The TPD1E01B04DPYT is purpose-built for USB Type-C connector protection, where SuperSpeed differential pairs run at 5, 10, or 20 Gbps and connector pins are directly exposed to electrostatic discharge from user contact. Its 0.18 pF to 0.20 pF capacitance adds minimal channel loading, keeping insertion loss and eye-diagram margin within USB 3.2 and USB4 compliance limits, while the ±3.6 V standoff covers the 3.3 V signaling environment. Placed within 1-2 mm of the connector pins with a short ground return, the device clamps IEC 61000-4-2 Level 4 strikes (±15 kV air-gap) before they reach the USB-C PHY transceiver, which is typically the most ESD-sensitive silicon on the board.
Recomendado
Thunderbolt 3 Interface Protection
Thunderbolt 3 pushes 40 Gbps of combined PCIe and DisplayPort traffic over USB-C connectors, making the TX/RX lanes extremely sensitive to even sub-picofarad capacitive loading. The TPD1E01B04DPYT's 0.18 pF typical capacitance and leadless 0402 X1SON package (low parasitic inductance) allow it to sit directly on these lanes without collapsing the eye diagram, while still diverting ESD transients to ground. TI explicitly targets this device at Thunderbolt 3 circuit protection in the datasheet description. Designers should simulate the S-parameters with the diode placed in the lane to confirm return-loss headroom, and keep the ground connection of the diode via-in-padded or stitched to the adjacent ground plane for the lowest possible clamp inductance.
Recomendado
Smartphone and Tablet I/O Protection
In handheld consumer devices, every external connector - USB-C, SIM, and accessory ports - requires ESD protection that occupies near-zero board area. The DPY 0402 (1.0 x 0.6 mm) footprint of the TPD1E01B04DPYT fits the density budgets of smartphone mainboards, and its bidirectional, polarity-free 2-pin design simplifies routing on symmetric lines. The ±3.6 V standoff and 15 V clamp at 2.5 A provide an effective protection window for 3.3 V-class interface lines, and the IEC 61000-4-2 Level 4 ±15 kV rating withstands the direct human-body discharges that handheld devices routinely encounter. Low 0.18 pF capacitance is essential here because smartphone data lanes routinely operate at USB 3.x speeds where margin is already tight.
Recomendado
Docking Station and Hub Design
USB-C docking stations aggregate multiple high-speed lanes and external cable insertions per day, making ESD robustness a top field-failure driver. The TPD1E01B04DPYT protects individual SuperSpeed pairs on each downstream port with 0.18 pF of added capacitance, preserving signal integrity across long internal traces from connector to hub controller - a key advantage over general-purpose 0.5 pF to 1 pF TVS diodes that consume a disproportionate share of the channel's insertion-loss budget. Because docks expose connectors to frequent, uncontrolled user handling, the device's IEC 61000-4-2 Level 4 (±15 kV air-gap) rating directly translates to lower warranty return rates. Its low-cost, small 0402 footprint also allows per-lane placement rather than shared multi-channel compromises.
Recomendado
HDMI and DisplayPort Auxiliary Channels
High-speed display interfaces expose hot-pluggable pins - HPD, DDC/AUX, and SBU - that frequently experience cable-discharge and ESD events. While main TMDS or Main Link lanes often need multi-channel arrays, single auxiliary lines are ideal candidates for the 1-channel TPD1E01B04DPYT: its ±3.6 V standoff matches the 3.3 V signaling of AUX and DDC lines, and 0.18 pF capacitance avoids disturbing the 720 Mbps AUX channel edge rates. The bidirectional architecture suits the symmetric nature of these lines. Placing the DPY 0402 package at the connector end clamps transients before they reach the display transmitter or receiver silicon, which historically shows one of the highest ESD failure rates in TV and monitor designs.
Recomendado
Automotive Infotainment USB Ports
Vehicle USB-C ports used for phone charging and CarPlay/Android Auto data experience harsh electrical environments - charge transients, cable discharge, and field-induced ESD. Although the standard-grade TPD1E01B04DPYT targets consumer and compute applications, its IEC 61000-4-2 Level 4 performance and ±3.6 V standoff provide reference protection behavior for 3.3 V data lines in infotainment head units and rear-seat entertainment systems. The 0.18 pF capacitance keeps USB 3.x camera and data lanes compliant, and the compact 0402 X1SON package fits the dense PCB real estate of automotive media modules. For new automotive designs requiring AEC-Q100-qualified devices, verify TI's automotive-grade ESD portfolio as the qualified equivalent before finalizing the BOM.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para TPD1E01B04DPYT — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | TPD1E01B04DPYR | TPD1E05U06DPYR | TPD1E10B06DPYR |
|---|---|---|---|---|
| Package | 2-X1SON (DPY, 0402, 1.0 x 0.6 mm) | 2-X1SON (DPY, 0402) - same | 2-X1SON (DPY, 0402) - same | 2-X1SON (DPY, 0402) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Reverse Standoff Voltage | 3.6 V | 3.6 V | 5 V | 10 V |
| ESD Rating | IEC 61000-4-2 Level 4, ±15 kV (air) | IEC 61000-4-2 Level 4, ±15 kV (air) | IEC 61000-4-2 Level 4 | IEC 61000-4-2 Level 4 |
| Target Interface | USB-C / Thunderbolt 3 up to 20 Gbps | USB-C / Thunderbolt 3 up to 20 Gbps | USB 2.0 / general high-speed lines | Higher-voltage lines / industrial ports |
| Pin Count / Configuration | 2 pins, 1-channel bidirectional | 2 pins, 1-channel bidirectional | 2 pins, 1-channel bidirectional | 2 pins, 1-channel bidirectional |
Diferenciadores clave
- Industry-leading 0.18 pF capacitance (frente a TPD1E05U06DPYR)
- Purpose-built for 20 Gbps interfaces (frente a TPD1E10B06DPYR)
- Low-inductance leadless 0402 X1SON package (frente a TPD1E05U06DPYR)
Notas de diseño
Placement distance is the single largest determinant of real-world ESD performance. Locate the TPD1E01B04DPYT within 1-2 mm of the USB-C or Thunderbolt connector pin being protected, and connect its GND pin to the nearest plane with at least one low-inductance via directly at the pad. Each millimeter of trace between connector and diode adds roughly 1 nH of parasitic inductance, which produces an L*di/dt voltage overshoot on top of the 15 V clamp during a nanosecond-scale ESD event - potentially exposing the downstream PHY to damaging voltage.
Although 0.18 pF is extremely low, at 20 Gbps even this capacitance consumes channel budget. Insert the DPY pads as an inline element of the differential pair rather than as a stub, and run 3D or S-parameter channel simulation including the diode model before freezing the stackup. Keep the pad geometry symmetrical on both legs of the pair to avoid intra-pair skew, and avoid adding anti-pad violations around the diode vias, which degrade impedance continuity at multi-Gbps edge rates.
Do not use the TPD1E01B04DPYT on lines that operate above its ±3.6 V standoff voltage - including USB-C VBUS (5 V/20 V) - or the diode will conduct continuously, leak, and potentially fail. VBUS requires a dedicated high-voltage protection device. Also note the DPY is a leadless X1SON package: verify the assembly house supports the 0402 land pattern and inspect solderability, since optical inspection marks are minimal on 1.0 x 0.6 mm leadless parts. Finally, prefer the reel option (DPYR) for production runs to reduce per-unit cost.
Información de cumplimiento
RoHS compliant per distributor cross-reference data (PartGenie listing). REACH, AEC-Q100, lead-free and halogen-free status not stated in the provided web data - consult the TI product page for qualification details.
