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Vishay General Semiconductor - Diodes Division TPSMA8.2HE3/61T
- Part No.:
- TPSMA8.2HE3/61T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
TPSMA8.2HE3/61T.pdf
- Description:
- TVS DIODE 6.63VWM 12.5VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:7,996
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Product details
Overview
TPSMA8.2HE3/61T from Vishay General Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in SMA (DO-214AC) package, designed for clamping voltage transients on power and signal lines. It features 8.2 V nominal breakdown voltage (VBR), 7.02 V stand-off voltage (VWM), 400 W peak pulse power (10/1000 µs), 33.1 V maximum clamping voltage at 200 A IPPM, and 185 °C maximum junction temperature - enabling robust protection in automotive and industrial power rails.
For engineers reviewing the TPSMA8.2HE3/61T datasheet, TPSMA8.2HE3/61T pinout, TPSMA8.2HE3/61T application, or TPSMA8.2HE3/61T equivalent, this page delivers verified electrical parameters, AEC-Q101 qualification status, thermal derating curves, clamping performance under surge conditions, and real-world use cases in sensor interface and MOSFET gate protection circuits.
Technical Context
The TPSMA8.2HE3/61T operates as a unidirectional avalanche diode with passivated anisotropic rectifier technology, delivering fast response time (<1 ns) and low incremental surge resistance to limit transient overvoltage before damage occurs. Its 10/1000 µs waveform rating reflects standardized lightning and switching surge immunity testing per ANSI/IEEE C62.35.
Designed for high-reliability environments, it supports continuous operation up to TJ = 185 °C and meets MSL Level 1 (260 °C reflow peak), with matte tin-plated leads compliant to J-STD-002 and JESD 22-B102. The HE3 suffix confirms RoHS compliance and AEC-Q101 qualification for automotive applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/typ/max) | 7.79 / 8.20 / 8.61 V - defines precise avalanche initiation threshold for repeatable clamping behavior |
| VWM | 7.02 V - maximum continuous reverse voltage before leakage exceeds 50 µA, ensuring no false triggering |
| VC @ IPPM | 33.1 V at 200 A - clamped voltage during 400 W transient, limiting stress on downstream ICs |
| PPPM | 400 W - peak pulse power handling capability under standard 10/1000 µs waveform |
| TJ max. | +185 °C - enables deployment in under-hood automotive and high-temperature industrial enclosures |
| IR @ VWM | 50 µA at 25 °C - low leakage preserves system standby current in battery-powered devices |
| αT | 0.056 %/°C - temperature coefficient of VBR, used to calculate breakdown shift across operating range |
Pinout & Package
Package: SMA (DO-214AC), surface-mount, cathode indicated by color band. Dimensions: 4.93 mm × 3.99 mm × 2.29 mm (L × W × H), with 5.0 mm × 5.0 mm copper pad layout recommended for thermal performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point during forward conduction or transient clamping | Connected to protected line (e.g., VIN or signal trace); forms low-impedance path to ground when VBR exceeded |
| Cathode | Current exit point during clamping; marked by band | Typically tied to system ground or low-impedance return path; determines unidirectional polarity orientation |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, humidity bias, and mechanical shock |
| Junction passivation | Reduces surface leakage and improves long-term stability under high-humidity or contaminated environments |
| MSL Level 1 | Compatible with standard SMT reflow profiles up to 260 °C peak without popcorn or delamination risk |
| Low clamping ratio (VC/VBR) | ~4.0 - ensures tight voltage margin between operating and clamping levels for sensitive 5 V or 3.3 V logic |
| High IFSM | 40 A - withstands repetitive 8.3 ms half-sine surges common in motor drive and relay coil snubbing |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs against load dump and alternator ripple transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and chassis ground to clamp spikes above 13.5 V. Use Value: Limits transient voltage to ≤33.1 V, preventing damage to microcontrollers and CAN transceivers rated for 36 V absolute max. | Use Scenario: Safeguarding analog outputs of pressure/temperature sensors connected to PLC I/O modules. IC Role / Device Role / Timing Role: Clamps ESD and inductive kickback on 4–20 mA current loop lines before reaching ADC front-end. Use Value: Withstands ±15 kV contact ESD (IEC 61000-4-2) and maintains <50 µA leakage at 7.02 V, preserving signal accuracy. |
| MOSFET Gate Driver Protection | Telecom DC Power Input Stage |
Use Scenario: Shielding high-side N-channel MOSFET gates from Miller-induced voltage overshoot during fast switching. IC Role / Device Role / Timing Role: Placed between gate and source to clamp dv/dt-induced spikes exceeding VGS(max). Use Value: Sub-1 ns response ensures clamping occurs before gate oxide breakdown, supporting >1 MHz PWM frequencies. | Use Scenario: Front-end surge suppression on -48 V telecom power supplies exposed to lightning-induced surges. IC Role / Device Role / Timing Role: Unidirectional TVS installed between input rail and return, sized for 400 W 10/1000 µs threat level. Use Value: Delivers 200 A peak surge current handling with 33.1 V clamping, compatible with -48 V nominal systems using negative-ground architecture. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ8.0A | VBR = 8.89–9.82 V (min/typ/max), VC = 13.6 V @ 31.5 A - lower clamping but lower power rating (400 W same, but lower IPPM) | Lower surge current capacity (31.5 A vs. 200 A) limits use to sub-100 W systems | Select SMAJ8.0A only if design requires tighter VC margin and lower energy threats; verify IPPM derating for 10/1000 µs waveform |
| 1.5SMC8.2A | Same VBR and VC, but in larger SMC (DO-214AB) package - higher thermal mass, 1.5 kW peak power rating | Requires larger PCB footprint and different pad layout; better suited for high-energy industrial surge events | Choose 1.5SMC8.2A when system-level surge tests exceed 400 W or board space allows larger package for improved thermal margin |
Compared with SMAJ8.0A and 1.5SMC8.2A, the TPSMA8.2HE3/61T offers optimal balance of compact SMA footprint, AEC-Q101 qualification, and 200 A surge current handling - making it preferred for space-constrained automotive and industrial control modules where qualification and reliability are mandatory.
Availability
TPSMA8.2HE3/61T is available at Aetrix Electronics and suitable for automotive power rail protection, industrial sensor interface hardening, and MOSFET gate driver safeguarding requiring stable component supply and full AEC-Q101 traceability.
Supply support for TPSMA8.2HE3/61T 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, and optoelectronics with emphasis on reliability, thermal performance, and automotive qualification.
The TPSMA series belongs to Vishay's PAR® (Protection Against Transients) family, engineered specifically for high-temperature, high-reliability transient suppression in automotive, industrial, and telecom infrastructure applications.
FAQ
What is the exact breakdown voltage range for TPSMA8.2HE3/61T?
The TPSMA8.2HE3/61T has a guaranteed breakdown voltage (VBR) range of 7.79 V (minimum) to 8.61 V (maximum) at 10 mA test current, with 8.20 V nominal. This range is measured per ANSI/IEEE C62.35 and confirmed in Vishay's Document Number 88405. The parameter ensures predictable clamping onset across production lots and temperature extremes, critical for protecting 5 V and 8 V logic interfaces without premature conduction.
Is TPSMA8.2HE3/61T AEC-Q101 qualified and what does that cover?
Yes, TPSMA8.2HE3/61T is AEC-Q101 qualified, as indicated by the "HE3" suffix per Vishay's ordering nomenclature. This qualification covers stress tests including temperature cycling, high-temperature operating life, unbiased highly accelerated stress test (uHAST), and mechanical shock - all performed on the final packaged device. The qualification applies directly to TPSMA8.2HE3/61T, not just the base TPSMA8.2A family, and supports its use in automotive powertrain and body electronics.
What is the maximum clamping voltage of TPSMA8.2HE3/61T and under what test condition?
The maximum clamping voltage (VC) of TPSMA8.2HE3/61T is 33.1 V, measured at 200 A peak pulse current (IPPM) using the standard 10/1000 µs double-exponential waveform. This value is specified in the Electrical Characteristics table of Vishay's Document Number 88405 and reflects worst-case clamping performance at TA = 25 °C. It defines the upper voltage limit imposed on protected circuitry during surge events.
Does TPSMA8.2HE3/61T have a bidirectional variant?
No, TPSMA8.2HE3/61T is unidirectional only, as explicitly stated in the Features section of the datasheet. Vishay offers separate part numbers for bidirectional variants (e.g., TPSMA8.2CA), which include "C" in the marking code and feature symmetrical breakdown in both polarities. Using TPSMA8.2HE3/61T in AC-coupled or bipolar signal paths requires external circuitry to ensure correct polarity orientation.
What is the thermal derating behavior of TPSMA8.2HE3/61T above 25 °C ambient?
TPSMA8.2HE3/61T follows linear derating of peak pulse power (PPPM) above TA = 25 °C, per Figure 2 in Document Number 88405. At 125 °C ambient, PPPM is reduced to approximately 60 % of 400 W (~240 W), and at 175 °C, it drops to ~25 % (~100 W). Derating is based on junction temperature limits (TJ ≤ 185 °C) and assumes mounting on 5.0 mm × 5.0 mm copper pads per terminal - critical for accurate thermal modeling in high-temp designs.
TPSMA8.2HE3/61T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AC, SMA
- Series:
- PAR®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 6.63V
- Voltage - Breakdown (Min):
- 7.38V
- Voltage - Clamping (Max) @ Ipp:
- 12.5V
- Current - Peak Pulse (10/1000µs):
- 32A
- Power - Peak Pulse:
- 400W
- 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-214AC (SMA)
TPSMA8.2HE3/61T FAQ
1.How can I place an order for TPSMA8.2HE3/61T through Aetrix?
Please submit a Request for Quotation (RFQ) for TPSMA8.2HE3/61T 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 TPSMA8.2HE3/61T reliable?
The price and inventory of TPSMA8.2HE3/61T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPSMA8.2HE3/61T is usually 5 days.
3.What payment methods are accepted for TPSMA8.2HE3/61T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPSMA8.2HE3/61T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPSMA8.2HE3/61T?
TPSMA8.2HE3/61T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPSMA8.2HE3/61T 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 TPSMA8.2HE3/61T?
For technical support, including TPSMA8.2HE3/61T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPSMA8.2HE3/61T requirements.
6.How does Aetrix verify that TPSMA8.2HE3/61T is sourced from the original manufacturer or authorized distributors?
All TPSMA8.2HE3/61T 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 TPSMA8.2HE3/61T meets industry standards.
7.What is the process for return or replacement of TPSMA8.2HE3/61T?
All TPSMA8.2HE3/61T units undergo pre-shipment inspection (PSI). If there is an issue with TPSMA8.2HE3/61T, 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 TPSMA8.2HE3/61T part is unused and in its original packaging.
Return procedure for TPSMA8.2HE3/61T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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