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Vishay General Semiconductor - Diodes Division TPSMP8.2HE3/85A
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- Part No.:
- TPSMP8.2HE3/85A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-220AA
- Datasheet:
-
TPSMP8.2HE3/85A.pdf
- Description:
- TVS DIODE 6.63VWM 12.5VC DO220AA
- Quantity:
- Payment:
- Shipping:
Inventory:9,801
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Product details
Overview
TPSMP8.2HE3/85A from Vishay General Semiconductor is a unidirectional automotive-grade transient voltage suppressor (TVS) diode in DO-220AA (SMP) package, with 7.38 V min / 9.02 V max breakdown voltage, 6.63 V standoff voltage, and 24.0 V clamping voltage at 200 A peak pulse current. It delivers 300 W peak pulse power, supports 40 A surge current, and operates from –65 °C to +185 °C for engine control unit (ECU) signal line protection.
For engineers reviewing the TPSMP8.2HE3/85A datasheet, TPSMP8.2HE3/85A pinout, TPSMP8.2HE3/85A application, or TPSMP8.2HE3/85A equivalent, key selection criteria include AEC-Q101 qualification, low-profile 1.0 mm height, MSL Level 1 reflow compatibility, and verified clamping performance under 10/1000 µs transients in automotive sensor interfaces.
Technical Context
This TVS diode uses patented PAR oxide-passivated chip construction to achieve low incremental surge resistance and fast response time (<1 ns), enabling effective suppression of ESD and load-dump transients per ISO 16750-2. Its unidirectional configuration provides forward conduction path only during reverse overvoltage events.
The device is rated for 2.5 W steady-state power dissipation on infinite heatsink at 75 °C ambient and exhibits a +0.065 %/°C temperature coefficient of breakdown voltage - critical for stable clamping across wide under-hood temperature ranges.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Breakdown Voltage VBR | 7.38 V min to 9.02 V max at 10 mA - defines precise overvoltage triggering threshold for 12 V automotive systems |
| Standoff Voltage VWM | 6.63 V - ensures reliable non-conduction during normal 5–6 V logic-level or sensor supply operation |
| Clamping Voltage VC | 24.0 V at 200 A (10/1000 µs) - limits downstream IC stress below 28 V ABS MAX rating of many automotive microcontrollers |
| Peak Pulse Power PPPM | 300 W - sustains ISO 7637-2 Pulse 1 (inductive switch-off) and Pulse 2a (battery disconnect) waveforms |
| Surge Current IPPM | 200 A - withstands high-energy transients without degradation when mounted on 5.0 × 5.0 mm copper pads |
| Junction Temp Range | –65 °C to +185 °C - meets under-hood thermal requirements for AEC-Q101 Grade 1 and Grade 0 applications |
| Leakage Current IR | 50 µA max at VWM - minimizes standby power loss in always-on vehicle networks |
Pinout & Package
DO-220AA (SMP) surface-mount package with 1.0 mm typical height, matte tin-plated leads, and cathode indicated by color band. Compliant with UL 94 V-0, J-STD-002 solderability, and JESD201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current input terminal | Connected to protected signal line or power rail; conducts during reverse transient clamp |
| Cathode | Reverse-biased reference terminal | Marked with color band; tied to ground or lower-potential return path to enable clamping action |
Key Features
| Feature | Design Value |
|---|---|
| Patented PAR oxide passivation | Enables stable VBR and low leakage over 1000+ thermal cycles in automotive environments |
| AEC-Q101 qualification | Validated for automotive use including HTOL, temperature cycling, and mechanical shock per stress test plan |
| MSL Level 1 rating | Supports lead-free reflow up to 260 °C peak without popcorn or delamination failure |
| Low-profile SMP package | 1.0 mm height enables placement beneath connectors and in space-constrained ADAS sensor modules |
| High power density | 300 W in 2.67 mm × 1.27 mm footprint - 2× higher than comparable SMA packages |
Applications
| Engine Control Unit (ECU) Sensor Inputs | Automotive Camera Module Interfaces |
|---|---|
Use Scenario: Protecting analog voltage outputs of crankshaft/camshaft position sensors exposed to alternator ripple and ignition noise. IC Role / Device Role / Timing Role: Unidirectional TVS clamps negative-going transients while allowing DC bias and signal integrity to pass. Use Value: Maintains <10 µA leakage at 6.63 V standoff to avoid loading sensor output impedance and preserves signal-to-noise ratio. | Use Scenario: Safeguarding MIPI CSI-2 differential pairs in rear-view cameras subjected to cable discharge events (CDE). IC Role / Device Role / Timing Role: Fast-response TVS absorbs sub-ns ESD pulses before they propagate into serializer/deserializer ICs. Use Value: 24.0 V clamping at 200 A prevents damage to 28 V-rated image signal processors without adding series resistance that degrades eye diagram. |
| Body Control Module (BCM) LIN Bus Lines | Electric Power Steering (EPS) Motor Driver Feedback |
Use Scenario: Shielding LIN transceivers from battery dump transients during jump-start conditions. IC Role / Device Role / Timing Role: Standoff voltage of 6.63 V aligns with LIN physical layer's 12 V supply tolerance while blocking false triggers. Use Value: 300 W peak power rating handles 100 ms load-dump surges per ISO 16750-2 without derating or thermal runaway. | Use Scenario: Protecting hall-effect current sense feedback lines in EPS motor drivers from inductive kickback during PWM switching. IC Role / Device Role / Timing Role: Low incremental surge resistance minimizes voltage overshoot during 40 A IFSM events. Use Value: 185 °C max junction temperature allows continuous operation near MOSFET heat sinks without thermal shutdown. |
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 | Higher 8.0 V nominal VBR, SMA package (2.4 mm height), 400 W PPPM, no AEC-Q101 certification | Not qualified for automotive under-hood use; suitable for industrial control panels with less stringent reliability requirements | Select SMAJ8.0A only if AEC-Q101 is not required and board height budget permits 1.4 mm additional profile |
| TPSMA6.8AHE3/85A | Lower 6.45–7.14 V VBR, same DO-220AA package, 300 W PPPM, identical AEC-Q101 and MSL Level 1 ratings | Better suited for 5 V logic rails or CAN FD transceivers requiring tighter clamping margin below 12 V | Choose TPSMA6.8AHE3/85A when protecting 5 V microcontroller I/O pins where 6.63 V VWM avoids false triggering |
Compared with SMAJ8.0A and TPSMA6.8AHE3/85A, the TPSMP8.2HE3/85A offers optimal balance of 12 V system compatibility, ultra-low profile, and full automotive qualification - making it the preferred choice for ECU, ADAS, and body electronics where space and reliability are co-constrained.
Availability
TPSMP8.2HE3/85A is available at Aetrix Electronics and suitable for engine control units, camera modules, body control modules, and electric power steering systems requiring stable component supply across long production lifecycles.
Supply support for TPSMP8.2HE3/85A 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 designs and manufactures discrete semiconductors including diodes, MOSFETs, and optoelectronics, with global manufacturing and testing facilities focused on high-reliability components.
The TPSMP8.2HE3/85A belongs to Vishay's eSMP™ Series of automotive TVS diodes, engineered specifically for robust transient suppression in harsh automotive environments per AEC-Q101 and ISO 16750 standards.
FAQ
What is the maximum clamping voltage of the TPSMP8.2HE3/85A at its rated peak pulse current?
The TPSMP8.2HE3/85A has a maximum clamping voltage (VC) of 24.0 V at 200 A peak pulse current with a 10/1000 µs waveform. This value is measured under standardized test conditions using 5.0 × 5.0 mm copper pads per terminal and ensures predictable overvoltage limiting for downstream 28 V-rated ICs in automotive applications. The TPSMP8.2HE3/85A maintains this clamping performance across its full operating temperature range.
Is the TPSMP8.2HE3/85A qualified for automotive use according to industry standards?
Yes, the TPSMP8.2HE3/85A is AEC-Q101 qualified and rated for automotive applications. It meets MSL Level 1 per J-STD-020, passes JESD201 Class 2 whisker testing, and complies with RoHS 2002/95/EC and WEEE 2002/96/EC directives. Its –65 °C to +185 °C junction temperature range and validated reliability testing confirm suitability for under-hood and ADAS deployments. The TPSMP8.2HE3/85A carries the HE3 suffix denoting high-reliability automotive grade.
How does the DO-220AA (SMP) package of the TPSMP8.2HE3/85A compare to traditional SMA packages in terms of board space and thermal performance?
The DO-220AA (SMP) package of the TPSMP8.2HE3/85A measures 2.67 mm × 1.27 mm with 1.0 mm typical height - approximately 50 % lower profile than standard SMA packages. Despite its compact size, it achieves comparable thermal resistance due to optimized copper pad layout (5.0 × 5.0 mm per terminal) and low incremental surge resistance. The TPSMP8.2HE3/85A delivers 300 W peak power in this footprint, outperforming many SMA devices on power density.
What is the standoff voltage (VWM) of the TPSMP8.2HE3/85A, and why is it important for 12 V automotive circuits?
The TPSMP8.2HE3/85A has a standoff voltage (VWM) of 6.63 V, meaning it remains non-conductive up to this reverse voltage level. This value is intentionally set below typical 12 V system nominal voltages but above 5 V logic levels, preventing false triggering during normal operation while ensuring rapid clamping during transients like load dump or ESD. For 12 V circuits, the TPSMP8.2HE3/85A's VWM provides safe margin against ripple and noise without sacrificing responsiveness.
Does the TPSMP8.2HE3/85A have polarity marking, and how is it identified on the device?
Yes, the TPSMP8.2HE3/85A features a visible cathode band for polarity identification. Per the mechanical drawing, a color band is applied to the cathode end of the DO-220AA (SMP) package - consistent with industry-standard diode marking convention. This band must be aligned toward the circuit ground or lower-potential node during PCB layout to ensure correct unidirectional clamping behavior. The TPSMP8.2HE3/85A is not bidirectional; incorrect orientation will result in no protection.
TPSMP8.2HE3/85A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-220AA
- Series:
- PAR®, eSMP®
- 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):
- 24A
- Power - Peak Pulse:
- 300W
- 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-220AA (SMP)
TPSMP8.2HE3/85A FAQ
1.How can I place an order for TPSMP8.2HE3/85A through Aetrix?
Please submit a Request for Quotation (RFQ) for TPSMP8.2HE3/85A 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 TPSMP8.2HE3/85A reliable?
The price and inventory of TPSMP8.2HE3/85A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPSMP8.2HE3/85A is usually 5 days.
3.What payment methods are accepted for TPSMP8.2HE3/85A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPSMP8.2HE3/85A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPSMP8.2HE3/85A?
TPSMP8.2HE3/85A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPSMP8.2HE3/85A 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 TPSMP8.2HE3/85A?
For technical support, including TPSMP8.2HE3/85A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPSMP8.2HE3/85A requirements.
6.How does Aetrix verify that TPSMP8.2HE3/85A is sourced from the original manufacturer or authorized distributors?
All TPSMP8.2HE3/85A 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 TPSMP8.2HE3/85A meets industry standards.
7.What is the process for return or replacement of TPSMP8.2HE3/85A?
All TPSMP8.2HE3/85A units undergo pre-shipment inspection (PSI). If there is an issue with TPSMP8.2HE3/85A, 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 TPSMP8.2HE3/85A part is unused and in its original packaging.
Return procedure for TPSMP8.2HE3/85A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPSMP8.2HE3/85A Tags
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