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Vishay General Semiconductor - Diodes Division TPSMC36AHE3/57T
- Part No.:
- TPSMC36AHE3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
TPSMC36AHE3/57T.pdf
- Description:
- TVS DIODE 30.8VWM 49.9VC DO214AB
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
TPSMC36AHE3/57T from Vishay General Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in SMC (DO-214AB) package, designed for high-energy surge protection on power and signal lines. It features a 36 V nominal breakdown voltage (VBR = 34.2–37.8 V at 1 mA), 30.8 V maximum stand-off voltage (VWM), 49.9 V clamping voltage (VC) at 30.1 A peak pulse current, 1500 W peak pulse power (10/1000 µs), and 185 °C maximum junction temperature - deployed in automotive power rail and industrial sensor interface protection.
For engineers reviewing the TPSMC36AHE3/57T datasheet, TPSMC36AHE3/57T pinout, TPSMC36AHE3/57T application, or TPSMC36AHE3/57T equivalent, key selection criteria include unidirectional polarity, AEC-Q101 qualification, MSL Level 1 moisture sensitivity, 200 A IFSM surge rating, and RoHS-compliant matte tin terminations suitable for lead-free reflow.
Technical Context
This TVS diode uses passivated anisotropic rectifier technology to deliver stable clamping under repetitive transients while maintaining low incremental surge resistance and fast response time (<1 ns). Its junction passivation enables operation up to 185 °C, supporting under-hood automotive and high-temperature industrial environments.
The device is rated for 1500 W peak pulse power with 10/1000 µs waveform, clamps at 49.9 V when subjected to 30.1 A, and exhibits only 1.0 µA maximum reverse leakage at VWM (30.8 V) and 15 µA at 150 °C - ensuring minimal standby power loss in always-on systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/typ/max) | 34.2 / 36.0 / 37.8 V at 1 mA - defines precise voltage threshold where avalanche conduction begins, critical for matching system overvoltage tolerance |
| VWM | 30.8 V - maximum continuous reverse operating voltage before leakage exceeds 1.0 µA, sets safe margin below VBR |
| VC @ IPPM | 49.9 V at 30.1 A - clamped voltage during 1500 W transient, determines protected IC's maximum stress level |
| PPPM | 1500 W (10/1000 µs) - energy-handling capacity for lightning/surge immunity per IEC 61000-4-5 Level 4 |
| TJ max. | 185 °C - enables placement near hot components (e.g., power MOSFETs, DC-DC converters) without derating |
| Polarity | Unidirectional - protects against positive-going transients only; requires correct cathode orientation toward protected line |
| Package | SMC (DO-214AB) - industry-standard 2-pin surface-mount outline with 8.0 mm × 8.0 mm copper pad requirement for thermal dissipation |
Pinout & Package
TPSMC36AHE3/57T is housed in an SMC (DO-214AB) plastic package with matte tin-plated leads. Cathode is marked by a color band on the body. Mounting requires 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pads at each terminal for full power rating compliance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient current return path | Connected to ground or low-impedance reference; carries full surge current during clamping |
| Cathode | Protected line connection point | Connected to line being protected (e.g., 24 V rail, CAN H); voltage referenced to anode during clamping |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD per JESD47 - required for engine control, ADAS, and infotainment modules |
| MSL Level 1 (260 °C peak) | Compatible with standard lead-free reflow profiles without baking - eliminates pre-conditioning delays in high-volume SMT lines |
| 185 °C junction rating | Supports operation in under-hood environments (e.g., battery management, motor drivers) without thermal derating penalties |
| Low clamping ratio (VC/VBR ≈ 1.39) | Minimizes overvoltage overshoot during surge events - critical for safeguarding 3.3 V/5 V logic interfaces downstream of protection |
| 1.0 µA max reverse leakage @ VWM | Reduces quiescent current drain in always-on circuits (e.g., vehicle wake-up lines, IoT sensor nodes) |
Applications
| Automotive Power Rail Protection | Industrial Sensor Signal Line Protection |
|---|---|
|
Use Scenario: Protecting 24 V supply lines in engine control units (ECUs) from load dump and alternator ripple transients. IC Role / Device Role / Timing Role: Primary overvoltage clamp placed between battery input and DC-DC converter input stage. Use Value: Withstands 1500 W surges and operates reliably at 185 °C, meeting ISO 7637-2 Pulse 5a requirements without thermal shutdown. |
Use Scenario: Shielding analog outputs (e.g., 4–20 mA current loops) of pressure/temperature sensors from ESD and cable discharge events. IC Role / Device Role / Timing Role: Unidirectional shunt protector mounted directly at connector entry point before signal conditioning circuitry. Use Value: Clamps to 49.9 V within <1 ns, limiting induced voltage on sensitive op-amp inputs and preserving measurement accuracy. |
| Telecom DC Power Input Protection | Consumer Appliance Motor Drive Protection |
|
Use Scenario: Safeguarding 48 V PoE-powered equipment (e.g., IP cameras, access points) from lightning-induced surges on Ethernet cables. IC Role / Device Role / Timing Role: Secondary-level TVS on DC input side of PoE interface, downstream of primary gas discharge tube (GDT). Use Value: Low VC/VBR ratio ensures secondary clamping stays within 54 V absolute maximum rating of PoE controller ICs. |
Use Scenario: Suppressing inductive kickback from brushed DC motors in washing machines and HVAC blowers. IC Role / Device Role / Timing Role: Across-motor terminals to absorb back-EMF energy during PWM switching and mechanical commutation. Use Value: 200 A IFSM rating handles repeated 8.3 ms half-sine surges from motor stall conditions without degradation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ36A | Same VBR range (34.2–37.8 V), but lower PPPM = 400 W and smaller SMA package (DO-214AC); TJ max = 150 °C | Limited to lower-energy transients (IEC 61000-4-2 ±8 kV contact); unsuitable for ISO 7637-2 load dump | Select SMAJ36A only for space-constrained consumer electronics with modest surge exposure. |
| SMCJ36A | Identical SMC package and 1500 W rating, but non-AEC-Q101; VC = 58.1 V (higher than TPSMC36AHE3/57T's 49.9 V) | Higher clamping voltage reduces margin for 36 V-rated downstream components; lacks automotive qualification documentation | Choose SMCJ36A for cost-sensitive industrial applications where AEC-Q101 is not mandated and higher VC is acceptable. |
Compared with SMAJ36A and SMCJ36A, TPSMC36AHE3/57T delivers superior automotive readiness via AEC-Q101 qualification, tighter clamping (49.9 V vs. 58.1 V), and extended 185 °C operation - making it the preferred choice for safety-critical, high-temperature, and high-energy surge environments.
Availability
TPSMC36AHE3/57T is available at Aetrix Electronics and suitable for automotive ECUs, industrial sensor interfaces, and telecom power input stages requiring stable component supply, AEC-Q101 traceability, and consistent 1500 W surge performance across production lots.
Supply support for TPSMC36AHE3/57T includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Vishay General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, rectifiers, TVS devices, and optoelectronics with emphasis on reliability, thermal performance, and automotive-grade validation.
The TPSMC series is part of Vishay's PAR® (Protection Against Transients) platform, engineered specifically for robust, high-temperature transient suppression in automotive, industrial, and telecom infrastructure applications where failure is not an option.
FAQ
What is the polarity configuration of the TPSMC36AHE3/57T?
The TPSMC36AHE3/57T is a unidirectional TVS diode, meaning it conducts only during positive voltage transients relative to its cathode terminal. The cathode is marked by a color band on the SMC package body, and the device must be oriented with cathode toward the line being protected and anode tied to ground or reference potential. This configuration ensures effective clamping of positive-going surges while blocking reverse leakage under normal operation.
Is the TPSMC36AHE3/57T qualified for automotive use?
Yes, the TPSMC36AHE3/57T is AEC-Q101 qualified, as confirmed by Vishay's official documentation and ordering code suffix "HE3", which denotes RoHS-compliant and AEC-Q101 qualified variants. It undergoes rigorous testing for temperature cycling, high-temperature reverse bias (HTRB), and electrostatic discharge per JESD47, making it suitable for engine control, body electronics, and ADAS applications.
What is the maximum clamping voltage of the TPSMC36AHE3/57T under surge conditions?
The TPSMC36AHE3/57T has a maximum clamping voltage (VC) of 49.9 V at 30.1 A peak pulse current (IPPM) using the standard 10/1000 µs waveform. This value is measured per Figure 1 in Vishay document 88407 and represents the upper limit of voltage seen by downstream circuitry during a full-rated 1500 W transient event.
Does the TPSMC36AHE3/57T require special PCB layout considerations?
Yes - to achieve rated 1500 W pulse power, the TPSMC36AHE3/57T must be mounted on 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pads at each terminal, as specified in Vishay's datasheet. Smaller pads reduce thermal dissipation and cause premature failure under repeated surges. Additionally, minimize trace inductance between the device and protected node to preserve sub-nanosecond response.
What is the moisture sensitivity level (MSL) rating for the TPSMC36AHE3/57T?
The TPSMC36AHE3/57T meets MSL Level 1 per J-STD-020, with a maximum lead-free reflow peak temperature of 260 °C. This means the device can be stored indefinitely at ambient conditions and placed directly into standard SMT reflow ovens without baking or dry-pack requirements - simplifying manufacturing logistics and reducing handling risk.
TPSMC36AHE3/57T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AB, SMC
- Series:
- PAR®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 30.8V
- Voltage - Breakdown (Min):
- 34.2V
- Voltage - Clamping (Max) @ Ipp:
- 49.9V
- Current - Peak Pulse (10/1000µs):
- 30.1A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 185°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMCJ)
TPSMC36AHE3/57T FAQ
1.How can I place an order for TPSMC36AHE3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for TPSMC36AHE3/57T on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TPSMC36AHE3/57T reliable?
The price and inventory of TPSMC36AHE3/57T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPSMC36AHE3/57T is usually 5 days.
3.What payment methods are accepted for TPSMC36AHE3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPSMC36AHE3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPSMC36AHE3/57T?
TPSMC36AHE3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPSMC36AHE3/57T order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TPSMC36AHE3/57T?
For technical support, including TPSMC36AHE3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPSMC36AHE3/57T requirements.
6.How does Aetrix verify that TPSMC36AHE3/57T is sourced from the original manufacturer or authorized distributors?
All TPSMC36AHE3/57T products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TPSMC36AHE3/57T meets industry standards.
7.What is the process for return or replacement of TPSMC36AHE3/57T?
All TPSMC36AHE3/57T units undergo pre-shipment inspection (PSI). If there is an issue with TPSMC36AHE3/57T, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TPSMC36AHE3/57T part is unused and in its original packaging.
Return procedure for TPSMC36AHE3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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