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Vishay General Semiconductor - Diodes Division TPSMP7.5AHE3/85A
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- Part No.:
- TPSMP7.5AHE3/85A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-220AA
- Datasheet:
-
TPSMP7.5AHE3/85A.pdf
- Description:
- TVS DIODE 6.4VWM 11.3VC DO220AA
- Quantity:
- Payment:
- Shipping:
Inventory:6,162
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Product details
Overview
TPSMP7.5AHE3/85A from Vishay General Semiconductor is a unidirectional automotive-grade transient voltage suppressor (TVS) diode in DO-220AA (SMP) package, with 7.13 V to 7.88 V breakdown voltage (VBR), 6.40 V stand-off voltage (VWM), 150 µA max reverse leakage at VWM, 500 A peak pulse current (IPPM), and 300 W peak pulse power (PPPM) for use in automotive sensor line protection.
For engineers reviewing the TPSMP7.5AHE3/85A datasheet, TPSMP7.5AHE3/85A pinout, TPSMP7.5AHE3/85A application, or TPSMP7.5AHE3/85A equivalent, key selection criteria include AEC-Q101 qualification, low-profile 1.0 mm height, MSL Level 1 moisture sensitivity, and clamping voltage of 26.5 V at 500 A for robust ESD/surge immunity in space-constrained automotive PCBs.
Technical Context
The TPSMP7.5AHE3/85A operates as a unidirectional avalanche diode, leveraging patented PAR oxide-passivated chip construction to deliver low incremental surge resistance and fast response time under 10/1000 µs transients. Its clamping behavior is defined by a 26.5 V maximum clamping voltage (VC) at 500 A IPPM, with thermal derating per Fig. 2 above 25 °C ambient.
Designed for surface-mount placement on FR-4 PCBs with 5.0 × 5.0 mm copper pads per terminal, it supports junction temperatures from –65 °C to +185 °C and meets RoHS 2002/95/EC and WEEE 2002/96/EC. Polarity is marked by a cathode band; terminals are matte tin-plated and solderable per J-STD-002 and JESD22-B102.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 7.13 V / 7.88 V - ensures reliable avalanche conduction onset within tight tolerance for predictable overvoltage triggering |
| VWM | 6.40 V - maximum continuous reverse working voltage before leakage exceeds 150 µA, compatible with 5 V logic rails |
| IPPM | 500 A - peak surge current handling capability under 10/1000 µs waveform, enabling protection against ISO 7637-2 Pulse 1/2a/5a |
| PPPM | 300 W - peak pulse power rating at TA = 25 °C, derated linearly above 25 °C per Fig. 2 |
| VC @ IPPM | 26.5 V - clamping voltage limiting downstream IC stress during surge events, critical for 12 V automotive systems |
| TJ max. | +185 °C - high junction temperature rating supports under-hood operation without thermal shutdown |
| MSL Level | Level 1 (260 °C peak reflow) - enables standard lead-free SMT assembly without pre-baking |
Pinout & Package
Package: DO-220AA (SMP), ultra-low-profile surface-mount case with 1.0 mm typical height, 0.142" × 0.126" footprint (3.61 mm × 3.19 mm), cathode indicated by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point during surge conduction | Connected to protected signal line or power rail upstream of load; must be routed with low-inductance trace |
| Cathode | Reverse-biased terminal; clamping reference | Connected to ground plane or low-impedance return path; polarity band identifies this terminal physically |
Key Features
| Feature | Design Value |
|---|---|
| Patented PAR oxide-passivated chip | Enables stable, repeatable avalanche performance and long-term reliability under repetitive surge stress |
| AEC-Q101 qualified | Validated for automotive applications including engine control units, ADAS sensors, and body electronics |
| Low incremental surge resistance | Minimizes VC overshoot during fast transients, improving protection margin for sensitive ICs |
| 1.0 mm profile | Reduces board space and weight while maintaining mechanical robustness for automated placement |
| JESD201 Class 2 whisker resistance | Ensures long-term solder joint integrity in high-vibration automotive environments |
Applications
| Automotive Sensor Protection | Power Line Transient Suppression |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor outputs (e.g., oxygen, pressure, temperature) in engine compartments exposed to load dump and ISO 7637-2 pulses. IC Role / Device Role: Unidirectional TVS diode placed between signal line and chassis ground to clamp transients below IC absolute maximum ratings. Use Value: Clamps 500 A surges to ≤26.5 V, preserving signal integrity and preventing latch-up in 5 V/3.3 V interface ICs per AEC-Q100 stress requirements. | Use Scenario: Safeguarding 12 V supply inputs to infotainment head units and telematics modules against battery reversal and alternator load dump. IC Role / Device Role: Primary overvoltage clamp on main power rail, coordinated with upstream fuses and secondary filtering. Use Value: Withstands 300 W peak pulse power and 40 A non-repetitive forward surge (IFSM), enabling compliance with ISO 16750-2 Section 4.7. |
| Industrial Control I/O Protection | Consumer Electronics Port Hardening |
Use Scenario: Shielding digital I/O lines of PLC modules and motor drives from ESD and inductive switching noise in factory automation settings. IC Role / Device Role: Point-of-entry TVS on isolated RS-485/RS-232 lines and GPIO headers. Use Value: 150 µA max leakage at 6.40 V VWM prevents signal degradation; 26.5 V clamping protects 3.3 V/5 V level shifters and isolators. | Use Scenario: Hardening USB, HDMI, and audio jack interfaces in automotive infotainment panels against human-body-model (HBM) ESD up to ±15 kV. IC Role / Device Role: Secondary-level ESD suppressor mounted adjacent to connector, downstream of common-mode chokes. Use Value: Fast response time and 26.5 V clamping limit transient energy delivered to USB PHY ICs, meeting IEC 61000-4-2 Level 4. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ7.5A | DO-214AC (SMA) package; 7.22–8.02 V VBR; 200 W PPPM; 32.4 V VC @ 33.5 A | Lower surge rating and higher clamping voltage; not AEC-Q101 qualified | Acceptable for cost-sensitive industrial designs where automotive qualification is not required |
| TPSMA6.8A | Same DO-220AA package; lower 6.45–7.14 V VBR; 300 W PPPM; 23.8 V VC @ 500 A | Lower stand-off voltage (5.80 V) limits use on 5 V rails with tighter margins | Preferred when protecting 3.3 V logic or legacy 5 V systems requiring tighter VWM headroom |
Compared with SMAJ7.5A and TPSMA6.8A, the TPSMP7.5AHE3/85A delivers superior automotive qualification, tighter VBR tolerance, and lower clamping voltage in the same ultra-low-profile package-making it optimal for next-generation compact, high-reliability vehicle electronics.
Availability
TPSMP7.5AHE3/85A is available at Aetrix Electronics and suitable for automotive sensor protection, 12 V power line hardening, and industrial I/O interface applications requiring stable component supply, AEC-Q101 compliance, and consistent tape-and-reel delivery.
Supply support for TPSMP7.5AHE3/85A 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 is a global leader in discrete semiconductors, specializing in diodes, MOSFETs, optoelectronics, and passive components with emphasis on reliability and automotive-grade validation.
The TPSMP7.5AHE3/85A belongs to Vishay's eSMP™ series of high-power-density TVS diodes, engineered specifically for space-constrained automotive electronics needing AEC-Q101 qualification, low-profile packaging, and repeatable surge performance.
FAQ
What is the exact breakdown voltage range specified for TPSMP7.5AHE3/85A?
The TPSMP7.5AHE3/85A has a guaranteed breakdown voltage (VBR) range of 7.13 V minimum to 7.88 V maximum at 10 mA test current (IT), per Vishay Document Number 88471, Revision 21-Oct-08, Table on page 2. This tight 10% tolerance ensures precise overvoltage triggering in 5 V and 12 V automotive circuits, and the value applies specifically to the TPSMP7.5AHE3/85A variant-not the broader TPSMP7.5 family.
Is TPSMP7.5AHE3/85A qualified to AEC-Q101, and what does that mean for automotive use?
Yes, TPSMP7.5AHE3/85A is explicitly AEC-Q101 qualified, as confirmed in the "MECHANICAL DATA" section of its datasheet (page 1). This qualification validates its robustness across temperature cycling, humidity, mechanical shock, and surge endurance tests required for automotive under-hood and cabin applications. The TPSMP7.5AHE3/85A meets these standards as a discrete unidirectional TVS diode, not just as part of a family.
What is the clamping voltage of TPSMP7.5AHE3/85A, and at what current is it measured?
The maximum clamping voltage (VC) of TPSMP7.5AHE3/85A is 26.5 V, measured at 500 A peak pulse current (IPPM) using a 10/1000 µs waveform, per the Electrical Characteristics table on page 2 of Vishay Document 88471. This value defines the upper voltage limit imposed on protected circuitry during surge events and is a confirmed parameter for the TPSMP7.5AHE3/85A, not extrapolated from adjacent variants.
Does TPSMP7.5AHE3/85A have a unidirectional or bidirectional configuration?
TPSMP7.5AHE3/85A is strictly unidirectional, as stated in the FEATURES section on page 1: "Uni-direction only." It conducts in forward bias during surge events and blocks reverse current up to its stand-off voltage (VWM = 6.40 V); it is not rated for bidirectional operation or symmetric clamping. This configuration is integral to the TPSMP7.5AHE3/85A's design and differs from bidirectional variants like TPSMP7.5CA.
What package type and moisture sensitivity level does TPSMP7.5AHE3/85A use?
TPSMP7.5AHE3/85A uses the DO-220AA (SMP) surface-mount package with 1.0 mm typical height and is rated MSL Level 1 per J-STD-020, with a maximum lead-free reflow peak temperature of 260 °C. This information is documented in the MECHANICAL DATA section (page 1) and applies uniquely to the TPSMP7.5AHE3/85A, confirming compatibility with standard high-volume SMT assembly processes without baking.
TPSMP7.5AHE3/85A 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):
- 6.4V
- Voltage - Breakdown (Min):
- 7.13V
- Voltage - Clamping (Max) @ Ipp:
- 11.3V
- Current - Peak Pulse (10/1000µs):
- 26.5A
- 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)
TPSMP7.5AHE3/85A FAQ
1.How can I place an order for TPSMP7.5AHE3/85A through Aetrix?
Please submit a Request for Quotation (RFQ) for TPSMP7.5AHE3/85A 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 TPSMP7.5AHE3/85A reliable?
The price and inventory of TPSMP7.5AHE3/85A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPSMP7.5AHE3/85A is usually 5 days.
3.What payment methods are accepted for TPSMP7.5AHE3/85A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPSMP7.5AHE3/85A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPSMP7.5AHE3/85A?
TPSMP7.5AHE3/85A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPSMP7.5AHE3/85A 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 TPSMP7.5AHE3/85A?
For technical support, including TPSMP7.5AHE3/85A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPSMP7.5AHE3/85A requirements.
6.How does Aetrix verify that TPSMP7.5AHE3/85A is sourced from the original manufacturer or authorized distributors?
All TPSMP7.5AHE3/85A 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 TPSMP7.5AHE3/85A meets industry standards.
7.What is the process for return or replacement of TPSMP7.5AHE3/85A?
All TPSMP7.5AHE3/85A units undergo pre-shipment inspection (PSI). If there is an issue with TPSMP7.5AHE3/85A, 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 TPSMP7.5AHE3/85A part is unused and in its original packaging.
Return procedure for TPSMP7.5AHE3/85A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPSMP7.5AHE3/85A Tags
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