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Vishay General Semiconductor - Diodes Division TPSMC8.2AHE3_A/I
- Part No.:
- TPSMC8.2AHE3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
TPSMC8.2AHE3_A/I.pdf
- Description:
- TVS DIODE 7.02VWM 12.1VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:3,532
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Product details
Overview
TPSMC8.2AHE3_A/I from Vishay General Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in SMC (DO-214AB) package, designed for clamping inductive switching surges and lightning-induced transients on power rails and signal lines. It features 8.2 V nominal breakdown voltage (VBR), 7.02 V stand-off voltage (VWM), 1500 W peak pulse power (10/1000 µs), 12.1 V maximum clamping voltage at 124 A peak pulse current, and operates up to +185 °C junction temperature - deployed in automotive power supply protection and industrial sensor interface circuits.
For engineers reviewing the TPSMC8.2AHE3_A/I datasheet, TPSMC8.2AHE3_A/I pinout, TPSMC8.2AHE3_A/I application, or TPSMC8.2AHE3_A/I equivalent, key selection criteria include unidirectional polarity, AEC-Q101 qualification status, MSL Level 1 moisture sensitivity, 10 mA test current for VBR, and cathode-band-defined terminal orientation in SMC packaging.
Technical Context
This TVS diode uses passivated anisotropic rectifier technology to deliver stable clamping under high-temperature conditions (TJ up to +185 °C), with low incremental surge resistance enabling tight voltage control during transient events. Its 10/1000 µs waveform rating reflects standardized surge immunity testing per ANSI/IEEE C62.35.
The device exhibits a positive temperature coefficient of breakdown voltage (+0.056 %/°C), allowing predictable VBR drift over temperature, and achieves <200 nA reverse leakage at VWM (7.02 V) and <2000 nA at 150 °C - critical for low-power sensor line protection where standby current matters.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/typ/max) | 7.79 / 8.20 / 8.61 V at 10 mA - defines reliable conduction onset for overvoltage detection and clamping initiation |
| VWM | 7.02 V - maximum continuous reverse operating voltage before significant leakage begins |
| VC @ IPPM | 12.1 V at 124 A - clamped voltage seen by protected circuit during worst-case 1500 W transient |
| PPPM | 1500 W (10/1000 µs) - surge energy handling capacity compatible with IEC 61000-4-5 Level 4 |
| TJ max. | +185 °C - enables use in under-hood automotive modules and high-ambient industrial enclosures |
| IR @ VWM | 200 µA at 25 °C - ensures minimal loading on low-current sensor bias networks |
| AEC-Q101 | Qualified - validated for automotive electronics per stress test requirements including HTGB, HTRB, and TCT |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, matte tin-plated leads, RoHS-compliant and halogen-free (HE3 suffix), MSL Level 1, 260 °C reflow peak.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Transient current sink | Connected to protected line; conducts surge current to ground when VAK exceeds VBR |
| Anode | Reference node | Typically tied to system ground or low-impedance return path for clamping loop integrity |
Key Features
| Feature | Design Value |
|---|---|
| 1500 W peak pulse power (10/1000 µs) | Supports robust protection against ISO 7637-2 Pulse 1/2a/5a and IEC 61000-4-5 surges without derating |
| Junction temperature rating: -65 °C to +185 °C | Enables deployment in engine control units, motor drives, and outdoor telecom equipment |
| AEC-Q101 qualified (HE3 suffix) | Validated reliability for automotive powertrain and body electronics per stress test standards |
| Low clamping ratio (VC/VBR ≈ 1.48) | Minimizes overvoltage exposure to downstream ICs such as MCUs, CAN transceivers, and ADC front-ends |
| MSL Level 1, 260 °C peak reflow | Eliminates bake requirements prior to assembly, reducing manufacturing cost and risk of moisture-induced popcorning |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs from 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 voltage excursion to ≤12.1 V during 124 A transients, preserving LDO regulators and microcontroller IO tolerance. |
Use Scenario: Shielding analog output lines of pressure/temperature sensors in factory automation systems. IC Role / Device Role / Timing Role: Low-leakage TVS on 4–20 mA current loop outputs to suppress ESD and relay-switching noise. Use Value: Maintains <200 µA leakage at 7.02 V, avoiding offset errors in precision current-sense amplifiers. |
| Consumer Power Adapter Input Protection | Telecom DC Power Feeder Protection |
Use Scenario: Safeguarding AC/DC adapter primary-side input against surge coupling from mains. IC Role / Device Role / Timing Role: Front-end TVS across bridge rectifier output to absorb line-to-line transients. Use Value: Withstands 200 A non-repetitive forward surge (8.3 ms half-sine), preventing rectifier failure during brownouts. |
Use Scenario: Guarding -48 V DC feeder lines in base station power distribution panels. IC Role / Device Role / Timing Role: Unidirectional clamping device on telecom power bus to suppress lightning-induced common-mode surges. Use Value: Delivers 1500 W pulse handling with <1 ns response time, meeting GR-1089-CORE Level 3 immunity requirements. |
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 | Lower PPPM (400 W), higher VC (12.5 V at 32.4 A), SMA package (smaller 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 layouts prioritize footprint over surge margin |
| TPSMC8.2AHE3_A/H | Identical electrical specs; differs only in tape-and-reel packaging (850 pcs vs. 3500 pcs per reel) | No functional or application difference - same AEC-Q101 qualification, thermal performance, and mounting behavior | Choose based on production volume and SMT line feeder compatibility |
Compared with TPSMC8.2AHE3_A/I, SMAJ8.0A offers reduced surge capability and smaller package size, while TPSMC8.2AHE3_A/H provides identical protection performance in a different reel configuration - making the latter a direct logistics alternative and the former a design trade-off for lower-energy applications.
Availability
TPSMC8.2AHE3_A/I is available at Aetrix Electronics and suitable for automotive power management, industrial sensor interfaces, and telecom DC feeder protection requiring stable component supply, AEC-Q101 compliance, and high-temperature reliability.
Supply support for TPSMC8.2AHE3_A/I 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 high-reliability, high-temperature, and automotive-grade performance.
The TPSMC series is part of Vishay's PAR® (Protection and Regulation) transient voltage suppressor family, engineered specifically for robust, high-power surge immunity in harsh environments including automotive under-hood and industrial control cabinets.
FAQ
What is the clamping voltage of the TPSMC8.2AHE3_A/I at its rated peak pulse current?
The TPSMC8.2AHE3_A/I has a maximum clamping voltage (VC) of 12.1 V when subjected to its rated peak pulse current (IPPM) of 124 A under a 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and ensures protected circuits remain within safe voltage limits during standardized surge events. The TPSMC8.2AHE3_A/I maintains this clamping performance across its full operating temperature range.
Is the TPSMC8.2AHE3_A/I qualified for automotive applications?
Yes, the TPSMC8.2AHE3_A/I is AEC-Q101 qualified, as confirmed by Vishay's documentation for the HE3 suffix variant. It undergoes stress testing including high-temperature reverse bias (HTRB), high-temperature gate bias (HTGB), and temperature cycling (TCT) to meet automotive reliability requirements. The TPSMC8.2AHE3_A/I is approved for use in powertrain, body control, and infotainment modules where transient immunity and long-term stability are critical.
What does the "HE3" suffix indicate in TPSMC8.2AHE3_A/I?
The "HE3" suffix in TPSMC8.2AHE3_A/I denotes a RoHS-compliant, AEC-Q101-qualified version with matte tin-plated leads that meet J-STD-002 and JESD 22-B102 solderability standards. It also satisfies JESD 201 Class 2 whisker resistance and MSL Level 1 handling requirements. The "A/I" portion specifies the revision code (A) and 13-inch tape-and-reel packaging (I) containing 3500 units - distinct from "H"-coded reels holding 850 units.
How does the TPSMC8.2AHE3_A/I compare to bidirectional TVS diodes in surge protection?
The TPSMC8.2AHE3_A/I is unidirectional and optimized for DC power line protection where polarity is fixed, offering lower leakage (<200 µA at VWM) and tighter clamping than equivalent bidirectional parts. Unlike bidirectional TVS diodes, it cannot protect AC signals or floating lines but delivers superior performance in automotive 12 V systems and industrial 24 V rails. For designs requiring AC or differential signal protection, a separate bidirectional device would be needed - the TPSMC8.2AHE3_A/I is not interchangeable in those roles.
What is the thermal resistance (RθJA) of the TPSMC8.2AHE3_A/I in standard SMC mounting?
Vishay does not publish a specific RθJA value for the TPSMC8.2AHE3_A/I in its datasheet (Document Number 88407). Thermal performance is characterized indirectly via derating curves (Figure 2), which show pulse power reduction above 25 °C ambient. For PCB layout, Vishay recommends 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pads at each terminal to achieve specified 1500 W rating - the TPSMC8.2AHE3_A/I relies on board-level copper mass rather than a defined junction-to-ambient metric.
TPSMC8.2AHE3_A/I 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):
- 7.02V
- Voltage - Breakdown (Min):
- 7.79V
- Voltage - Clamping (Max) @ Ipp:
- 12.1V
- Current - Peak Pulse (10/1000µs):
- 124A
- 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)
TPSMC8.2AHE3_A/I FAQ
1.How can I place an order for TPSMC8.2AHE3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for TPSMC8.2AHE3_A/I 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 TPSMC8.2AHE3_A/I reliable?
The price and inventory of TPSMC8.2AHE3_A/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPSMC8.2AHE3_A/I is usually 5 days.
3.What payment methods are accepted for TPSMC8.2AHE3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPSMC8.2AHE3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPSMC8.2AHE3_A/I?
TPSMC8.2AHE3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPSMC8.2AHE3_A/I 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 TPSMC8.2AHE3_A/I?
For technical support, including TPSMC8.2AHE3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPSMC8.2AHE3_A/I requirements.
6.How does Aetrix verify that TPSMC8.2AHE3_A/I is sourced from the original manufacturer or authorized distributors?
All TPSMC8.2AHE3_A/I 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 TPSMC8.2AHE3_A/I meets industry standards.
7.What is the process for return or replacement of TPSMC8.2AHE3_A/I?
All TPSMC8.2AHE3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with TPSMC8.2AHE3_A/I, 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 TPSMC8.2AHE3_A/I part is unused and in its original packaging.
Return procedure for TPSMC8.2AHE3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPSMC8.2AHE3_A/I Tags
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