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Vishay General Semiconductor - Diodes Division TPSMC15AHE3/57T
- Part No.:
- TPSMC15AHE3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
TPSMC15AHE3/57T.pdf
- Description:
- TVS DIODE 12.8VWM 21.2VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:6,103
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Product details
Overview
TPSMC15AHE3/57T 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 of sensitive electronics. It features a 15.0 V nominal breakdown voltage (VBR), 12.8 V stand-off voltage (VWM), 1500 W peak pulse power (10/1000 μs), 21.2 V maximum clamping voltage at 70.8 A peak pulse current, and operates up to +185 °C junction temperature.
For engineers reviewing the TPSMC15AHE3/57T datasheet, TPSMC15AHE3/57T pinout, TPSMC15AHE3/57T application, or TPSMC15AHE3/57T equivalent, key selection criteria include unidirectional polarity, AEC-Q101 qualification, MSL Level 1 rating, low leakage (<1 μA at VWM), and compatibility with automotive and industrial PCB layouts requiring robust ESD and lightning surge immunity.
Technical Context
This TVS diode uses passivated anisotropic rectifier technology optimized for high-temperature stability and fast response to transients. Its junction design enables reliable operation at TJ = 185 °C and meets JESD201 Class 2 whisker resistance requirements.
The device delivers precise clamping performance with a typical VBR temperature coefficient of 0.076 %/°C and exhibits low incremental surge resistance-critical for limiting voltage overshoot during 10/1000 μs surges up to 1500 W on 8.0 mm × 8.0 mm copper pads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/typ/max) | 14.3 / 15.0 / 15.8 V - defines precise voltage threshold at which clamping initiates under 1 mA test current |
| VWM | 12.8 V - maximum continuous reverse working voltage before leakage exceeds 1 μA |
| VC @ IPPM | 21.2 V at 70.8 A - peak clamped voltage during 1500 W surge, limiting downstream IC stress |
| PPPM | 1500 W (10/1000 μs) - energy-handling capability sufficient for ISO 7637-2 Pulse 1/2a/5a and IEC 61000-4-5 Level 4 |
| TJ max. | +185 °C - enables use in under-hood automotive modules and high-ambient industrial controllers |
| Polarity | Unidirectional - protects only against positive transients relative to cathode; requires correct orientation in series with protected line |
| MSL Rating | Level 1 (J-STD-020) - supports standard reflow without moisture sensitivity concerns |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, matte tin-plated leads, cathode indicated by color band. Dimensions: 7.11 mm × 6.22 mm × 2.90 mm (L × W × H), compatible with standard SMC footprints.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Transient current sink | Connected to protected line; conducts surge current to ground when VLINE > VBR |
| Anode | Reference node | Typically tied to system ground or low-impedance return path; completes clamping loop |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD per AEC specification |
| 1500 W peak pulse power | Withstands repetitive or single-event surges per ISO 7637-2 and IEC 61000-4-5 without degradation |
| Low leakage at VWM | <1 μA at 12.8 V and 25 °C - minimizes standby power loss in battery-powered sensor nodes |
| Fast response time | <1.0 ps intrinsic junction response - clamps transients before damage occurs to downstream MOSFETs or ICs |
| High-temperature operation | Rated to +185 °C junction - supports placement near heat sources in motor control or power supply designs |
Applications
| Automotive Power Line Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V power rails in body control modules against load dump and inductive switching spikes. IC Role / Device Role / Timing Role: Unidirectional TVS placed between battery rail and DC-DC input to clamp surges above 21.2 V. Use Value: Prevents overvoltage failure of buck converters and microcontrollers during ISO 7637-2 Pulse 5a events up to 100 V/100 ms. | Use Scenario: Shielding analog sensor signal lines (e.g., pressure, temperature) from ESD and cable discharge events. IC Role / Device Role / Timing Role: TVS connected between signal line and ground, with low capacitance preserving signal integrity. Use Value: Limits transient-induced offset errors and latch-up in precision ADC front-ends while maintaining sub-1 μA leakage. |
| Telecom Power Supply Input | Consumer USB Port Surge Protection |
Use Scenario: Safeguarding AC/DC adapter outputs feeding telecom base station subsystems. IC Role / Device Role / Timing Role: Primary surge suppression stage before secondary-side regulation and isolation. Use Value: Absorbs 1500 W surges without thermal runaway, enabling compliance with IEC 61000-4-5 Level 4 (4 kV line-earth). | Use Scenario: Adding robustness to USB Type-A port power lines in smart home hubs exposed to user-handled cables. IC Role / Device Role / Timing Role: Low-leakage TVS on VBUS line, oriented to block positive transients only. Use Value: Survives repeated ±8 kV contact ESD (IEC 61000-4-2) while adding <0.5 pF parasitic capacitance to maintain USB 2.0 signal fidelity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ15A | Same VBR (14.3–15.8 V), lower PPPM = 600 W, SMB package (smaller footprint, lower thermal mass) | Limited to lower-energy transients; unsuitable for ISO 7637-2 Pulse 5a or IEC 61000-4-5 Level 4 | Select when space-constrained and surge threat level is ≤600 W (e.g., consumer peripherals) |
| TPSMC15AHM3/57T | Identical electrical specs; halogen-free molding compound, same RoHS/AEC-Q101 compliance | No functional difference; used where halogen-free material content is mandated by OEM spec | Drop-in replacement if halogen-free requirement applies; otherwise identical performance and layout |
Compared with SMBJ15A and TPSMC15AHM3/57T, the TPSMC15AHE3/57T provides higher surge robustness (1500 W vs. 600 W) and superior thermal endurance (185 °C vs. 150 °C), making it preferred for under-hood automotive and high-reliability industrial deployments where long-term stability under thermal stress is critical.
Availability
TPSMC15AHE3/57T is available at Aetrix Electronics and suitable for automotive power line protection, industrial sensor interface protection, telecom power supply input, and consumer USB port surge protection requiring stable component supply across production lifecycles.
Supply support for TPSMC15AHE3/57T 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, high-temperature operation, and automotive qualification.
The TPSMC15AHE3/57T belongs to Vishay's PAR® family of high-power surface-mount TVS diodes, engineered specifically for demanding surge immunity in automotive, industrial, and telecom infrastructure where AEC-Q101 compliance and 185 °C operation are mandatory.
FAQ
What is the clamping voltage of the TPSMC15AHE3/57T at its rated peak pulse current?
The TPSMC15AHE3/57T has a maximum clamping voltage (VC) of 21.2 V at its rated peak pulse current (IPPM) of 70.8 A, measured under the standardized 10/1000 μs waveform. This value ensures downstream components such as 24 V-rated MOSFETs or 3.3 V logic ICs remain within safe operating limits during surge events. The TPSMC15AHE3/57T maintains this clamping performance across its full operating temperature range.
Is the TPSMC15AHE3/57T AEC-Q101 qualified?
Yes, the TPSMC15AHE3/57T is AEC-Q101 qualified, as confirmed by Vishay's documentation for the HE3 suffix variant. This qualification covers stress tests including high-temperature reverse bias, temperature cycling, and ESD, validating its suitability for automotive applications such as body electronics and powertrain subsystems. The TPSMC15AHE3/57T meets all required failure rate and reliability thresholds defined in the AEC-Q101 standard.
What does the "HE3" suffix indicate in TPSMC15AHE3/57T?
The "HE3" suffix in TPSMC15AHE3/57T denotes a RoHS-compliant, AEC-Q101-qualified version with matte tin-plated leads and JESD201 Class 2 whisker resistance. The "57T" denotes tape-and-reel packaging in 13-inch reels (3500 units per reel). This ordering code identifies a fully automotive-grade, production-ready variant of the TPSMC15AHE3/57T with traceable manufacturing and extended thermal capability.
Can the TPSMC15AHE3/57T be used in bidirectional protection circuits?
No, the TPSMC15AHE3/57T is unidirectional only, as explicitly stated in the Vishay datasheet. It protects against positive transients relative to the cathode and must be oriented with the banded end toward the protected line. For bidirectional protection, a separate device such as the TPSMC15CA (center-tapped, bidirectional variant) is required. Using the TPSMC15AHE3/57T in reverse-biased configurations risks permanent breakdown.
What is the maximum junction temperature rating for the TPSMC15AHE3/57T?
The TPSMC15AHE3/57T is rated for a maximum junction temperature (TJ) of +185 °C, enabling reliable operation in high-ambient environments such as engine compartments or enclosed industrial enclosures. This rating is validated per JEDEC standards and supported by its passivated anisotropic rectifier structure. Derating curves in the datasheet show allowable power dissipation decreases linearly above 25 °C ambient, ensuring safe thermal design margins for the TPSMC15AHE3/57T.
TPSMC15AHE3/57T 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):
- 12.8V
- Voltage - Breakdown (Min):
- 14.3V
- Voltage - Clamping (Max) @ Ipp:
- 21.2V
- Current - Peak Pulse (10/1000µs):
- 70.8A
- 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)
TPSMC15AHE3/57T FAQ
1.How can I place an order for TPSMC15AHE3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for TPSMC15AHE3/57T 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 TPSMC15AHE3/57T reliable?
The price and inventory of TPSMC15AHE3/57T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPSMC15AHE3/57T is usually 5 days.
3.What payment methods are accepted for TPSMC15AHE3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPSMC15AHE3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPSMC15AHE3/57T?
TPSMC15AHE3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPSMC15AHE3/57T 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 TPSMC15AHE3/57T?
For technical support, including TPSMC15AHE3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPSMC15AHE3/57T requirements.
6.How does Aetrix verify that TPSMC15AHE3/57T is sourced from the original manufacturer or authorized distributors?
All TPSMC15AHE3/57T 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 TPSMC15AHE3/57T meets industry standards.
7.What is the process for return or replacement of TPSMC15AHE3/57T?
All TPSMC15AHE3/57T units undergo pre-shipment inspection (PSI). If there is an issue with TPSMC15AHE3/57T, 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 TPSMC15AHE3/57T part is unused and in its original packaging.
Return procedure for TPSMC15AHE3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPSMC15AHE3/57T Tags
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