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Vishay General Semiconductor - Diodes Division TPSMA8.2AHE3_A/H
- Part No.:
- TPSMA8.2AHE3_A/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
TPSMA8.2AHE3_A/H.pdf
- Description:
- TVS DIODE 7.02VWM 12.1VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:5,248
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Product details
Overview
TPSMA8.2AHE3_A/H 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), 33.1 V maximum clamping voltage (VC) at 200 A peak pulse current, 400 W peak pulse power (10/1000 μs), and 185 °C maximum junction temperature - deployed in automotive sensor protection and industrial I/O interfaces.
For engineers reviewing the TPSMA8.2AHE3_A/H datasheet, TPSMA8.2AHE3_A/H pinout, TPSMA8.2AHE3_A/H application, or TPSMA8.2AHE3_A/H equivalent, key selection criteria include unidirectional polarity, AEC-Q101 qualification status, 10 mA test current for VBR, 50 μA max reverse leakage at VWM, and compatibility with JEDEC MSL level 1 reflow profiles.
Technical Context
This TVS diode operates as a clamping device in parallel with protected circuitry, triggering when transient voltage exceeds its breakdown threshold. Its passivated anisotropic rectifier technology ensures stable VBR over temperature (0.056 %/°C tempco) and low incremental surge resistance for effective energy diversion.
It is rated for non-repetitive 10/1000 μs surges up to 400 W, with derating above 25 °C per Fig. 2, and supports 40 A peak forward surge current (8.3 ms half-sine). The device is qualified to AEC-Q101 and meets JESD201 Class 2 whisker resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/typ/max) | 7.79 V / 8.20 V / 8.61 V at 10 mA - defines precise clamping onset under standardized test conditions |
| VWM | 7.02 V - maximum continuous reverse voltage before significant leakage begins |
| VC @ IPPM | 33.1 V at 200 A - clamped voltage during worst-case 10/1000 μs surge, limiting stress on downstream ICs |
| PPPM | 400 W - peak transient power handling capability with 0.01 % duty cycle |
| IR @ VWM | ≤50 μA at 25 °C - ensures minimal standby power loss and signal integrity on high-impedance lines |
| TJ max. | +185 °C - enables operation in under-hood automotive and high-temperature industrial environments |
| Tempco αT | 0.056 %/°C - quantifies VBR drift with junction temperature for accurate system-level margining |
Pinout & Package
Package: SMA (DO-214AC), surface-mount, unidirectional polarity with cathode band marking. Molded compound meets UL 94 V-0; matte tin-plated leads solderable per J-STD-002/JESD22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal during forward conduction or transient clamping | Connected to lower-potential side of protected line (e.g., GND or return path) |
| Cathode | Current exit terminal during clamping; marked by color band | Connected to higher-potential side (e.g., VCC, signal line, or input rail) to enable reverse-biased clamping action |
Key Features
| Feature | Design Value |
|---|---|
| Junction passivation optimized design | Enables stable 185 °C operation and long-term reliability under thermal cycling and humidity |
| AEC-Q101 qualification (HE3 suffix) | Validates suitability for automotive applications including engine control, ADAS sensors, and infotainment power rails |
| MSL level 1 rating (260 °C peak) | Allows single-reflow assembly without moisture sensitivity concerns or baking requirements |
| Low clamping ratio (VC/VBR ≈ 4.04) | Delivers tight overvoltage protection margin relative to breakdown threshold |
| 400 W peak pulse power (10/1000 μs) | Handles common ISO 7637-2 and IEC 61000-4-5 surge waveforms without failure |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor inputs (e.g., pressure, temperature) from load dump and ESD events in vehicle ECUs. IC Role / Device Role / Timing Role: Unidirectional TVS placed across signal-to-ground or supply-to-ground to clamp transients before they reach sensitive analog front-ends or communication ICs. Use Value: Maintains signal integrity under ISO 16750-2 load dump (12 V systems) and prevents latch-up or damage to 3.3 V/5 V interface ICs. | Use Scenario: Safeguarding digital input modules in programmable logic controllers against field-wiring induced surges and relay coil flyback. IC Role / Device Role / Timing Role: Parallel-connected clamping device on 24 V DC input channels, absorbing inductive switching energy from solenoids and contactors. Use Value: Enables >100,000 actuation cycles without degradation, meeting IEC 61000-4-4 (EFT) and IEC 61000-4-5 (surge) immunity requirements. |
| Consumer Power Adapter Input Protection | Telecom Line Interface Protection |
Use Scenario: Secondary-side overvoltage suppression in AC/DC adapters and USB-C PD power supplies exposed to mains transients. IC Role / Device Role / Timing Role: Standoff-rated TVS on +5 V/+9 V/+15 V output rails to prevent overvoltage propagation to connected devices during regulator fault conditions. Use Value: Limits output overshoot to ≤33.1 V during 400 W surges, protecting downstream USB controllers and charging ICs. | Use Scenario: Protection of Ethernet PHY interfaces and DSL line drivers against lightning-induced surges on twisted-pair telecom lines. IC Role / Device Role / Timing Role: Bidirectional-capable system uses two unidirectional TPSMA8.2AHE3_A/H devices back-to-back for differential line clamping. Use Value: Achieves <1 ns response time and <33.1 V clamping on each leg, preserving signal fidelity while meeting GR-1089-CORE Level 3 surge requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ8.0A | Higher VWM (6.89 V), same VBR range (7.78–8.60 V), SMB package (DO-214AA), 600 W PPPM | Larger footprint; better suited for higher-energy surges but less space-constrained layouts | Select when board area permits larger package and higher 600 W surge rating is required |
| 1.5SMC8.2A | Same VBR (7.79–8.61 V), SMC (DO-214AB) package, 1500 W PPPM, higher VC (37.5 V) | Higher clamping voltage and larger thermal mass; used where PCB layout allows bigger pad areas | Choose for legacy designs using SMC footprints or where 1500 W surge immunity is mandated |
Compared with SMBJ8.0A and 1.5SMC8.2A, the TPSMA8.2AHE3_A/H offers optimal balance of compact SMA footprint, AEC-Q101 qualification, and precise 8.2 V clamping for space-constrained automotive and industrial edge nodes - without requiring PCB redesign or sacrificing reliability.
Availability
TPSMA8.2AHE3_A/H is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC I/O modules, and consumer power adapter output protection requiring stable component supply, AEC-Q101 compliance, and high-temperature operational assurance.
Supply support for TPSMA8.2AHE3_A/H 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, MOSFETs, and protection devices with emphasis on reliability, high-temperature performance, and automotive-grade qualification.
The TPSMA series belongs to Vishay's PAR® (Protected Anisotropic Rectifier) transient voltage suppressor family, engineered specifically for robust, high-stability clamping in harsh environments including automotive under-hood, industrial automation, and telecom infrastructure.
FAQ
What is the breakdown voltage tolerance for TPSMA8.2AHE3_A/H?
The TPSMA8.2AHE3_A/H has a specified breakdown voltage range of 7.79 V (min) to 8.61 V (max) at 10 mA test current, with 8.20 V nominal. This ±5% tolerance ensures predictable clamping onset across production lots and temperature extremes, critical for consistent protection in automotive and industrial systems where margining must be tightly controlled.
Is TPSMA8.2AHE3_A/H qualified for automotive use?
Yes, TPSMA8.2AHE3_A/H carries the HE3 suffix, indicating RoHS-compliant construction and full AEC-Q101 qualification. It is tested for high-temperature operation up to 185 °C, humidity resistance, mechanical shock, and temperature cycling - making it suitable for engine control units, body electronics, and ADAS sensor modules per automotive reliability standards.
What is the maximum clamping voltage of TPSMA8.2AHE3_A/H under surge conditions?
The TPSMA8.2AHE3_A/H exhibits a maximum clamping voltage (VC) of 33.1 V when subjected to its rated 200 A peak pulse current (10/1000 μs waveform). This value is measured under standardized test conditions with 0.2" × 0.2" copper pads and defines the upper voltage limit imposed on protected circuitry during worst-case transients.
Does TPSMA8.2AHE3_A/H support lead-free reflow soldering?
Yes, TPSMA8.2AHE3_A/H is rated for MSL level 1 per J-STD-020 and supports peak reflow temperatures up to 260 °C. Its matte tin-plated leads comply with J-STD-002 and JESD22-B102, and the device passes JESD201 Class 2 whisker testing - ensuring reliable lead-free assembly without moisture sensitivity concerns.
How does the temperature coefficient affect TPSMA8.2AHE3_A/H performance?
The TPSMA8.2AHE3_A/H has a VBR temperature coefficient (αT) of +0.056 %/°C. This means its breakdown voltage increases linearly with junction temperature - e.g., rising ~0.45 V from 25 °C to 125 °C - enabling accurate system-level overvoltage margining across the full -65 °C to +185 °C operating range.
TPSMA8.2AHE3_A/H 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):
- 7.02V
- Voltage - Breakdown (Min):
- 7.79V
- Voltage - Clamping (Max) @ Ipp:
- 12.1V
- Current - Peak Pulse (10/1000µs):
- 33.1A
- 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)
TPSMA8.2AHE3_A/H FAQ
1.How can I place an order for TPSMA8.2AHE3_A/H through Aetrix?
Please submit a Request for Quotation (RFQ) for TPSMA8.2AHE3_A/H 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 TPSMA8.2AHE3_A/H reliable?
The price and inventory of TPSMA8.2AHE3_A/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPSMA8.2AHE3_A/H is usually 5 days.
3.What payment methods are accepted for TPSMA8.2AHE3_A/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPSMA8.2AHE3_A/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPSMA8.2AHE3_A/H?
TPSMA8.2AHE3_A/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPSMA8.2AHE3_A/H 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 TPSMA8.2AHE3_A/H?
For technical support, including TPSMA8.2AHE3_A/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPSMA8.2AHE3_A/H requirements.
6.How does Aetrix verify that TPSMA8.2AHE3_A/H is sourced from the original manufacturer or authorized distributors?
All TPSMA8.2AHE3_A/H 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 TPSMA8.2AHE3_A/H meets industry standards.
7.What is the process for return or replacement of TPSMA8.2AHE3_A/H?
All TPSMA8.2AHE3_A/H units undergo pre-shipment inspection (PSI). If there is an issue with TPSMA8.2AHE3_A/H, 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 TPSMA8.2AHE3_A/H part is unused and in its original packaging.
Return procedure for TPSMA8.2AHE3_A/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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