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Vishay General Semiconductor - Diodes Division TPSMB8.2A1BHE3/5BT
- Part No.:
- TPSMB8.2A1BHE3/5BT
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
TPSMB8.2A1BHE3/5BT.pdf
- Description:
- TVS DIODE 7.02VWM 12.1VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:4,531
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Product details
Overview
TPSMB8.2A1BHE3/5BT from Vishay General Semiconductor is a unidirectional surface-mount PAR® transient voltage suppressor (TVS) designed for clamping inductive switching surges and lightning-induced transients on power rails and signal lines. It features a 8.2 V breakdown voltage (VBR), 7.02 V stand-off voltage (VWM), 600 W peak pulse power (10/1000 µs), 49.6 V maximum clamping voltage at 12.1 A peak pulse current, and operates up to +185 °C junction temperature - deployed in automotive sensor protection and industrial power supply input stages.
For engineers reviewing the TPSMB8.2A1BHE3/5BT datasheet, TPSMB8.2A1BHE3/5BT pinout, TPSMB8.2A1BHE3/5BT application, or TPSMB8.2A1BHE3/5BT equivalent, key selection criteria include unidirectional polarity, SMB (DO-214AA) package compatibility, AEC-Q101 qualification status, TJ = 185 °C thermal capability, and verified clamping performance under 10/1000 µs surge conditions.
Technical Context
This TVS diode uses passivated anisotropic rectifier technology to deliver stable breakdown behavior across temperature and high reliability under repetitive surge stress. Its 10/1000 µs waveform rating of 600 W and low incremental surge resistance enable precise overvoltage clamping without thermal runaway during transient events.
The device is rated for 75 A non-repetitive forward surge current (8.3 ms half-sine), exhibits 0.056 %/°C temperature coefficient of VBR, and meets MSL Level 1 per J-STD-020 with 260 °C reflow peak - confirming suitability for automated SMT assembly in automotive-grade production environments.
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 threshold under DC bias |
| VWM | 7.02 V - maximum continuous reverse working voltage before leakage exceeds 100 µA |
| VC @ IPPM | 49.6 V at 12.1 A - peak clamped voltage during 10/1000 µs surge, limiting downstream IC stress |
| PPPM | 600 W - peak pulse power handling capacity under standardized surge waveform |
| TJ max. | +185 °C - enables operation in under-hood automotive and high-ambient industrial environments |
| Package | SMB (DO-214AA) - industry-standard surface-mount outline with 0.220" x 0.130" footprint and cathode band marking |
| AEC-Q101 | Qualified - validated for automotive electronics per stress test requirements including HTGB, HTRB, and TCT |
Pinout & Package
TPSMB8.2A1BHE3/5BT is housed in an SMB (DO-214AA) plastic package with matte tin-plated leads. The cathode is marked by a color band on the body; terminals are solderable per J-STD-002 and JESD 22-B102, and meet JESD 201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Surge current sink node | Connected to protected line; conducts during overvoltage to clamp to VC |
| Anode | Reference/return path | Typically tied to ground or lower-potential rail; completes clamping current path |
Key Features
| Feature | Design Value |
|---|---|
| Junction passivation | Optimized anisotropic rectifier structure ensures stable VBR drift ≤ ±5 % over lifetime and temperature |
| High-temperature operation | TJ = 185 °C rating supports placement near heat sources in engine control units and motor drives |
| Clamping efficiency | VC/VBR ratio of 6.05 enables tight voltage margin control for 5 V and 12 V rail protection |
| Fast response time | < 1 ns turn-on - suppresses ESD and fast transients before sensitive circuitry responds |
| MSL Level 1 | No floor life limitation; compatible with standard reflow profiles up to 260 °C peak |
Applications
| Automotive Sensor Protection | Industrial Power Input Stage |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor front-ends from load dump and ISO 7637-2 pulses in vehicle ECUs. IC Role / Device Role / Timing Role: Unidirectional TVS placed between signal line and ground to clamp transients while preserving DC bias integrity. Use Value: Withstands 600 W surges and maintains VC ≤ 49.6 V, preventing damage to 5 V tolerant transceivers and ADC inputs. |
Use Scenario: Safeguarding 24 V DC input rails of PLC modules and motor controllers against inductive kickback from solenoids and relays. IC Role / Device Role / Timing Role: Primary overvoltage clamp on bulk input, coordinated with upstream fuses and downstream regulators. Use Value: 75 A IFSM rating and 185 °C TJ allow robust operation in enclosed enclosures with minimal derating. |
| Consumer USB Port Protection | Telecom Line Interface |
Use Scenario: Guarding USB 2.0 data lines (D+/D−) and VBUS against ESD and hot-swap transients in docking stations and peripherals. IC Role / Device Role / Timing Role: Low-capacitance unidirectional TVS placed directly at connector, referenced to system ground. Use Value: Sub-100 pF junction capacitance at zero bias minimizes signal distortion while delivering 12.1 A IPPM clamping. |
Use Scenario: Shielding Ethernet PHY interfaces and POTS line drivers from lightning-induced surges in base station and DSLAM equipment. IC Role / Device Role / Timing Role: Secondary-level TVS on twisted-pair lines, used alongside gas discharge tubes and common-mode chokes. Use Value: 600 W PPPM rating and 49.6 V VC ensure compliance with ITU-T K.20/K.21 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 |
|---|---|---|---|
| SMBJ8.0A | 8.0 V VBR min (vs. 7.79 V), 48.4 V VC @ 12.3 A, same SMB package and 600 W rating | Slightly lower clamping voltage but tighter VBR tolerance; not AEC-Q101 qualified | Select when AEC-Q101 is not required and tighter VBR distribution is prioritized over automotive qualification |
| TPSMB8.2AHM3/5BT | Identical electrical specs; halogen-free molding compound and JESD 201 Class 2 whisker resistance (vs. HE3's RoHS-only) | Required for halogen-free BOMs in EU/Asia markets; identical thermal and surge performance | Choose HM3 suffix where halogen-free compliance and enhanced whisker resistance are mandated by OEM specifications |
Compared with SMBJ8.0A and TPSMB8.2AHM3/5BT, the TPSMB8.2A1BHE3/5BT provides AEC-Q101 qualification out-of-box with RoHS compliance, making it the default choice for automotive Tier 1 designs requiring documented reliability evidence - while HM3 offers material-level enhancements for regulated regions.
Availability
TPSMB8.2A1BHE3/5BT is available at Aetrix Electronics and suitable for automotive sensor protection, industrial power input staging, and telecom line interface applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for TPSMB8.2A1BHE3/5BT 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 high-reliability diodes, MOSFETs, optoelectronics, and passive components for demanding industrial and automotive applications.
The TPSMB series belongs to Vishay's PAR® family of transient voltage suppressors, engineered specifically for high-temperature stability, AEC-Q101 compliance, and repeatable clamping performance in harsh electromagnetic environments.
FAQ
What is the breakdown voltage tolerance of the TPSMB8.2A1BHE3/5BT?
The TPSMB8.2A1BHE3/5BT has a specified breakdown voltage range of 7.79 V (min) to 8.61 V (max) at 10 mA test current, with a nominal value of 8.20 V. This ±5 % tolerance ensures predictable clamping onset across production lots and temperature extremes, critical for consistent protection in automotive and industrial systems using the TPSMB8.2A1BHE3/5BT.
Is the TPSMB8.2A1BHE3/5BT AEC-Q101 qualified?
Yes, the TPSMB8.2A1BHE3/5BT is AEC-Q101 qualified. The "HE3" suffix denotes RoHS-compliant and AEC-Q101-qualified construction, validated per stress tests including high-temperature reverse bias (HTRB), high-temperature gate bias (HTGB), and temperature cycling (TCT). This qualification is explicitly confirmed in Vishay document 88406 for all TPSMBx.xAHE3 variants, including the TPSMB8.2A1BHE3/5BT.
What is the maximum clamping voltage of the TPSMB8.2A1BHE3/5BT under surge conditions?
The TPSMB8.2A1BHE3/5BT exhibits a maximum clamping voltage (VC) of 49.6 V at 12.1 A peak pulse current (IPPM) under the standardized 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and defines the upper voltage limit imposed on protected circuits during worst-case transient events - a key parameter for ensuring downstream ICs remain within absolute maximum ratings when using the TPSMB8.2A1BHE3/5BT.
Does the TPSMB8.2A1BHE3/5BT have unidirectional or bidirectional polarity?
The TPSMB8.2A1BHE3/5BT is unidirectional only, as confirmed in the Vishay datasheet section "FEATURES" and "PRIMARY CHARACTERISTICS". Its cathode is marked by a color band, and it conducts only when the cathode is at higher potential than the anode - making it suitable for DC rail and single-polarity signal line protection. Bidirectional variants are not offered in the TPSMBx.xA family; the TPSMB8.2A1BHE3/5BT must be oriented correctly in-circuit.
What package type does the TPSMB8.2A1BHE3/5BT use, and what are its mounting requirements?
The TPSMB8.2A1BHE3/5BT uses the SMB (DO-214AA) surface-mount package, with mechanical dimensions of 0.220" × 0.130" and a cathode band indicator. Per datasheet note (2), it must be mounted on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads at each terminal to achieve full 600 W pulse power rating. Reflow profile must comply with J-STD-020 MSL Level 1, with peak temperature up to 260 °C - standard for the TPSMB8.2A1BHE3/5BT.
TPSMB8.2A1BHE3/5BT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- 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):
- 49.6A
- Power - Peak Pulse:
- 600W
- 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-214AA (SMB)
TPSMB8.2A1BHE3/5BT FAQ
1.How can I place an order for TPSMB8.2A1BHE3/5BT through Aetrix?
Please submit a Request for Quotation (RFQ) for TPSMB8.2A1BHE3/5BT 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 TPSMB8.2A1BHE3/5BT reliable?
The price and inventory of TPSMB8.2A1BHE3/5BT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPSMB8.2A1BHE3/5BT is usually 5 days.
3.What payment methods are accepted for TPSMB8.2A1BHE3/5BT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPSMB8.2A1BHE3/5BT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPSMB8.2A1BHE3/5BT?
TPSMB8.2A1BHE3/5BT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPSMB8.2A1BHE3/5BT 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 TPSMB8.2A1BHE3/5BT?
For technical support, including TPSMB8.2A1BHE3/5BT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPSMB8.2A1BHE3/5BT requirements.
6.How does Aetrix verify that TPSMB8.2A1BHE3/5BT is sourced from the original manufacturer or authorized distributors?
All TPSMB8.2A1BHE3/5BT 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 TPSMB8.2A1BHE3/5BT meets industry standards.
7.What is the process for return or replacement of TPSMB8.2A1BHE3/5BT?
All TPSMB8.2A1BHE3/5BT units undergo pre-shipment inspection (PSI). If there is an issue with TPSMB8.2A1BHE3/5BT, 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 TPSMB8.2A1BHE3/5BT part is unused and in its original packaging.
Return procedure for TPSMB8.2A1BHE3/5BT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPSMB8.2A1BHE3/5BT Tags
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Diodes Incorporated
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Diodes Incorporated
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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