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Vishay General Semiconductor - Diodes Division TPSMC11AHE3/9AT
- Part No.:
- TPSMC11AHE3/9AT
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
TPSMC11AHE3/9AT.pdf
- Description:
- TVS DIODE 9.4VWM 15.6VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:5,393
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Product details
Overview
TPSMC11AHE3/9AT from Vishay General Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in SMC (DO-214AB) package, designed for high-reliability overvoltage protection of sensitive electronics. It features 11.0 V nominal breakdown voltage (VBR), 9.40 V stand-off voltage (VWM), 15.6 V maximum clamping voltage at 96.2 A peak pulse current, 1500 W peak pulse power (10/1000 µs), and operates up to +185 °C junction temperature. It is used to protect MOSFETs, ICs, and sensor signal lines in automotive and industrial power systems.
For engineers reviewing the TPSMC11AHE3/9AT datasheet, TPSMC11AHE3/9AT pinout, TPSMC11AHE3/9AT application, or TPSMC11AHE3/9AT equivalent, key selection criteria include unidirectional polarity, AEC-Q101 qualification status, 1500 W surge capability, thermal stability at TJ = 185 °C, and compatibility with automated SMT assembly under J-STD-020 MSL level 1.
Technical Context
This TVS diode employs passivated anisotropic rectifier technology optimized for junction stability under repetitive surge stress. Its clamping behavior is characterized by low incremental surge resistance and fast response time, enabling effective suppression of transients induced by inductive load switching and lightning surges.
The device is rated for non-repetitive 10/1000 µs waveform pulses up to 1500 W on 8.0 mm × 8.0 mm copper pads, with derating above 25 °C per published curves. It meets JESD201 Class 2 whisker resistance and is qualified to AEC-Q101 for automotive use when ordered with HE3 suffix.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/typ/max) | 10.5 / 11.0 / 11.6 V - defines precise voltage threshold at which avalanche conduction begins under 1 mA test current |
| VWM | 9.40 V - maximum continuous reverse operating voltage before leakage exceeds 5.0 µA |
| VC @ IPPM | 15.6 V - clamping voltage during 96.2 A peak pulse, limiting protected circuit voltage stress |
| PPPM | 1500 W - peak pulse power handling with 10/1000 µs waveform, critical for surge immunity design |
| TJ max. | +185 °C - enables operation in high-temperature environments such as engine control units and power converters |
| Polarity | Unidirectional - protects against positive-going transients only; cathode marked by band |
| MSL Level | Level 1 (260 °C peak) - supports standard lead-free reflow without moisture sensitivity concerns |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, matte tin-plated leads, UL 94 V-0 molding compound. Cathode indicated by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal during forward conduction | Connected to ground or low-side reference in unidirectional TVS configuration |
| Cathode | Current exit terminal during avalanche clamping | Connected to protected line (e.g., power rail or signal trace); marked by band |
Key Features
| Feature | Design Value |
|---|---|
| Junction passivation optimized design | Enables stable VBR performance and low leakage (<5 µA at VWM) across temperature and lifetime |
| 1500 W peak pulse power (10/1000 µs) | Provides robust protection against ISO 7637-2 Pulse 1/2a/5a and IEC 61000-4-5 surge events |
| AEC-Q101 qualified (HE3 suffix) | Validates reliability for automotive applications including body control modules and ADAS power supplies |
| TJ = 185 °C capability | Supports placement near heat-generating components without derating loss in surge margin |
| Low incremental surge resistance | Minimizes clamping voltage overshoot during fast-rising transients (e.g., inductive kickback) |
Applications
| Automotive Power Rail Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs from load dump and alternator transients. IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed between power rail and chassis ground. Use Value: Clamps to ≤15.6 V during 96.2 A surge, preventing damage to downstream regulators and microcontrollers in TPSMC11AHE3/9AT-equipped designs. | Use Scenario: Shielding analog output lines of pressure or temperature sensors from ESD and cable discharge events. IC Role / Device Role / Timing Role: Low-capacitance TVS connected between signal line and ground, preserving signal integrity. Use Value: Sub-16 V clamping ensures sensor ADC input stays within safe common-mode range during 8 kV contact ESD per IEC 61000-4-2. |
| Consumer Power Adapter Output Protection | MOSFET Gate Driver Transient Suppression |
Use Scenario: Safeguarding USB-C PD and AC/DC adapter outputs against surge coupling from mains or hot-plug events. IC Role / Device Role / Timing Role: Standoff-rated TVS placed at DC output connector to absorb energy before reaching load. Use Value: 9.40 V VWM allows compatibility with 9–12 V regulated outputs while clamping surges below 16 V. | Use Scenario: Preventing gate oxide failure in high-side N-channel MOSFET drivers subjected to Miller-induced spikes. IC Role / Device Role / Timing Role: TVS connected between gate and source to clamp dv/dt-induced overvoltage. Use Value: Fast response and low VC limit gate-source voltage to ≤15.6 V, maintaining safe SOA margins for TPSMC11AHE3/9AT-based protection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ11A | Lower PPPM (400 W), same VBR range, SMA package (smaller footprint, lower thermal mass) | Not AEC-Q101 qualified; limited to commercial-grade consumer/industrial use | Select when board space is constrained and surge energy requirements are ≤400 W |
| TPSMC11AHM3/9AT | Identical electrical specs; halogen-free molding compound and JESD201 Class 2 whisker compliance | Same automotive qualification, but meets stricter material compliance (e.g., automotive OEM green directives) | Select when halogen-free and enhanced whisker resistance are required for Tier 1 automotive supply chain |
Compared with SMAJ11A and TPSMC11AHM3/9AT, the TPSMC11AHE3/9AT delivers higher surge robustness (1500 W vs. 400 W) and RoHS-compliant AEC-Q101 qualification in a thermally superior SMC package-making it optimal for high-energy automotive and industrial protection where reliability and thermal margin are critical.
Availability
TPSMC11AHE3/9AT is available at Aetrix Electronics and suitable for automotive power rail protection, industrial sensor interface protection, and consumer power adapter output protection requiring stable component supply and AEC-Q101 assurance.
Supply support for TPSMC11AHE3/9AT 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 high-reliability and automotive-grade solutions.
The TPSMC series is part of Vishay's PAR® family of high-power transient suppressors, engineered specifically for demanding automotive and industrial environments where thermal stability, surge endurance, and AEC-Q101 compliance are mandatory.
FAQ
What is the breakdown voltage tolerance for TPSMC11AHE3/9AT?
The TPSMC11AHE3/9AT has a breakdown voltage (VBR) specification of 10.5 V (min) to 11.6 V (max) at 1 mA test current, with 11.0 V nominal. This ±5% tolerance ensures consistent clamping onset across production lots and supports reliable overvoltage detection in circuits where precise thresholding is required. The value is measured per ANSI/IEEE C62.35 standards and validated during AEC-Q101 qualification testing for TPSMC11AHE3/9AT.
Is TPSMC11AHE3/9AT suitable for bidirectional transient protection?
No, TPSMC11AHE3/9AT is unidirectional only, as confirmed in the Vishay datasheet. It protects against positive transients on the cathode side relative to anode (ground). For bidirectional protection, a separate device such as a symmetric TVS array or back-to-back configuration would be required. Using TPSMC11AHE3/9AT in reverse-biased mode beyond its 9.40 V stand-off voltage risks premature conduction and invalidates its specified clamping performance.
Does TPSMC11AHE3/9AT require derating at elevated ambient temperatures?
Yes, TPSMC11AHE3/9AT must be derated above 25 °C ambient per Figure 2 in the Vishay datasheet. Its peak pulse power decreases linearly with increasing initial junction temperature, reaching ~75% of 1500 W at 100 °C ambient (with proper PCB copper pad layout). Derating ensures the device remains within safe operating area during repeated surge events and maintains long-term reliability in high-temperature applications like engine compartments.
What is the meaning of the "HE3" suffix in TPSMC11AHE3/9AT?
The "HE3" suffix in TPSMC11AHE3/9AT indicates RoHS-compliant construction and AEC-Q101 qualification. It denotes matte tin-plated leads compliant with J-STD-002 and JESD22-B102, MSL level 1 rating, and full automotive reliability validation. The "9AT" denotes tape-and-reel packaging per Vishay's preferred ordering format. This suffix distinguishes it from non-automotive variants like standard TPSMC11A or halogen-free HM3 versions.
How does the clamping voltage of TPSMC11AHE3/9AT compare to its breakdown voltage?
The clamping voltage (VC) of TPSMC11AHE3/9AT is 15.6 V at 96.2 A peak pulse current, while its nominal breakdown voltage (VBR) is 11.0 V. This 4.6 V differential reflects the device's incremental surge resistance and ensures that protected circuits experience minimal overvoltage during surge events. The ratio VC/VBR ≈ 1.42 is typical for high-power TVS diodes and confirms efficient energy absorption without excessive voltage overshoot in TPSMC11AHE3/9AT applications.
TPSMC11AHE3/9AT 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):
- 9.4V
- Voltage - Breakdown (Min):
- 10.5V
- Voltage - Clamping (Max) @ Ipp:
- 15.6V
- Current - Peak Pulse (10/1000µs):
- 96.2A
- 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)
TPSMC11AHE3/9AT FAQ
1.How can I place an order for TPSMC11AHE3/9AT through Aetrix?
Please submit a Request for Quotation (RFQ) for TPSMC11AHE3/9AT 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 TPSMC11AHE3/9AT reliable?
The price and inventory of TPSMC11AHE3/9AT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPSMC11AHE3/9AT is usually 5 days.
3.What payment methods are accepted for TPSMC11AHE3/9AT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPSMC11AHE3/9AT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPSMC11AHE3/9AT?
TPSMC11AHE3/9AT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPSMC11AHE3/9AT 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 TPSMC11AHE3/9AT?
For technical support, including TPSMC11AHE3/9AT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPSMC11AHE3/9AT requirements.
6.How does Aetrix verify that TPSMC11AHE3/9AT is sourced from the original manufacturer or authorized distributors?
All TPSMC11AHE3/9AT 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 TPSMC11AHE3/9AT meets industry standards.
7.What is the process for return or replacement of TPSMC11AHE3/9AT?
All TPSMC11AHE3/9AT units undergo pre-shipment inspection (PSI). If there is an issue with TPSMC11AHE3/9AT, 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 TPSMC11AHE3/9AT part is unused and in its original packaging.
Return procedure for TPSMC11AHE3/9AT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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