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Vishay General Semiconductor - Diodes Division TPSMP30AHE3/85A
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- Part No.:
- TPSMP30AHE3/85A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-220AA
- Datasheet:
-
TPSMP30AHE3/85A.pdf
- Description:
- TVS DIODE 25.6VWM 41.4VC DO220AA
- Quantity:
- Payment:
- Shipping:
Inventory:8,774
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Product details
Overview
TPSMP30AHE3/85A from Vishay General Semiconductor is a unidirectional automotive-grade transient voltage suppressor (TVS) in DO-220AA (SMP) package, featuring 28.5 V to 31.5 V breakdown voltage (VBR), 41.4 V clamping voltage (VC) at 9.7 A peak pulse current, and 400 W peak pulse power (10/1000 µs). It delivers low incremental surge resistance and fast response for protecting sensor signal lines and drive transistors in harsh automotive environments.
For engineers reviewing the TPSMP30AHE3/85A datasheet, TPSMP30AHE3/85A pinout, TPSMP30AHE3/85A application, or TPSMP30AHE3/85A equivalent, key selection criteria include AEC-Q101 qualification, 185 °C maximum junction temperature, 1.0 mm profile for space-constrained PCB layouts, and RoHS-compliant matte tin plating meeting J-STD-002 solderability standards.
Technical Context
This TVS diode uses patented PAR oxide-passivated chip construction to achieve stable breakdown characteristics and excellent clamping performance under repetitive surge stress. Its unidirectional polarity-marked by a cathode band-enables integration into DC-biased circuits such as automotive CAN bus termination or microcontroller I/O protection.
The device operates across -65 °C to +185 °C junction temperature range and is rated for 40 A non-repetitive forward surge current (IFSM). Its 2.5 W steady-state power dissipation (PD) and MSL Level 1 moisture sensitivity support high-reliability reflow assembly without preconditioning.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 28.5 V / 31.5 V - defines minimum overvoltage threshold before conduction begins; ensures reliable protection above system operating voltage (e.g., 24 V automotive rails) |
| VC @ IPPM | 41.4 V at 9.7 A - clamping voltage during 10/1000 µs surge; limits downstream IC stress below safe operating limits |
| PPPM | 400 W - peak pulse power handling capacity; supports robust immunity against ISO 7637-2 Pulse 1/2a/5a transients |
| IR @ VWM | 1.0 µA max at 25.6 V - ultra-low leakage preserves signal integrity on high-impedance sensor inputs |
| TJ max | +185 °C - extended thermal capability enables placement near heat sources (e.g., power modules) without derating |
| Package | DO-220AA (SMP) - 1.0 mm height, 2.54 mm lead pitch; compatible with automated SMT placement and J-STD-020 reflow profiles up to 260 °C |
Pinout & Package
DO-220AA (SMP) surface-mount package with two terminals: anode and cathode. Cathode denoted by color band. Matte tin-plated leads meet J-STD-002 solderability and JESD22-B102 finish requirements. HE3 suffix indicates AEC-Q101 qualification and JESD201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point during reverse-bias surge | Connected to protected line (e.g., LIN bus or sensor output); conducts only when VLINE exceeds VBR |
| Cathode | Current exit point during clamping event | Connected to ground or low-impedance return path; color band identifies orientation for automated optical inspection |
Key Features
| Feature | Design Value |
|---|---|
| Patented PAR oxide passivation | Enables stable VBR tolerance (±5 %) and long-term reliability under thermal cycling and humidity exposure |
| Low profile (1.0 mm height) | Reduces board-level mechanical interference in stacked modules and tight engine bay layouts |
| AEC-Q101 qualified | Validated for automotive applications including powertrain, body electronics, and ADAS sensor interfaces |
| MSL Level 1 rating | Eliminates bake-out requirement prior to reflow; supports direct placement from dry pack into high-volume SMT lines |
| UL 94 V-0 molding compound | Meets flammability safety requirements for under-hood and cabin-mounted electronic control units |
Applications
| Automotive Sensor Protection | Powertrain Control Module I/O |
|---|---|
Use Scenario: Protecting analog outputs of pressure, temperature, and position sensors exposed to load dump and alternator ripple in 12 V/24 V systems. IC Role / Device Role / Timing Role: Unidirectional TVS placed between sensor output and ECU input to clamp transients before they reach ADC front-end or op-amp buffers. Use Value: Maintains signal fidelity with <1.0 µA leakage at 25.6 V stand-off, preventing offset drift while surviving 400 W surges per ISO 7637-2. |
Use Scenario: Safeguarding microcontroller GPIOs and driver FET gate signals in engine control units subject to ignition noise and relay switching spikes. IC Role / Device Role / Timing Role: Fast-response clamping element shunting energy away from sensitive logic inputs during sub-100 ns transients. Use Value: 41.4 V clamping voltage ensures MCU I/O remains within absolute maximum ratings even during 9.7 A surge events. |
| Body Electronics LIN Bus | ADAS Camera Power Line |
Use Scenario: Suppressing ESD and coupled noise on LIN physical layer wiring in door modules and seat controllers. IC Role / Device Role / Timing Role: Bidirectional protection not required; unidirectional TPSMP30AHE3/85A placed cathode-to-ground on LIN data line to absorb negative-going pulses. Use Value: 28.5–31.5 V VBR aligns with LIN bus operating range (typically 9–18 V), enabling precise overvoltage discrimination without false triggering. |
Use Scenario: Guarding 12 V camera module power input against jump-start surges and battery reversal transients in surround-view systems. IC Role / Device Role / Timing Role: Primary front-end surge suppressor upstream of DC/DC converter, absorbing energy before it reaches downstream regulators. Use Value: 400 W PPPM and 185 °C TJ max allow sustained operation in thermally dense camera housings 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 |
|---|---|---|---|
| SMAJ30A-E3/5AT | DO-214AC (SMA) package; 30 V VBR min/max = 28.5–33.0 V; 350 W PPPM; 38.7 V VC at 8.5 A | Lower power rating and larger footprint (2.4 mm height); suitable for non-automotive industrial use where AEC-Q101 not mandated | Select SMAJ30A-E3/5AT only if board space allows larger package and automotive qualification is unnecessary |
| TPSMP33AHE3/85A | Higher VBR (31.4–34.7 V); same DO-220AA package; 400 W PPPM; 45.7 V VC at 8.8 A | Better suited for 36 V nominal systems or applications requiring higher stand-off margin above 24 V rail | Choose TPSMP33AHE3/85A when protecting circuits with >27 V operating voltage or tighter VBR tolerance needed |
Compared with SMAJ30A-E3/5AT, TPSMP30AHE3/85A offers superior automotive qualification, lower profile, and higher surge power in identical tape-and-reel packaging; versus TPSMP33AHE3/85A, it provides lower clamping voltage for 24 V systems but reduced stand-off margin-making it optimal for cost-sensitive, space-constrained automotive sensor nodes.
Availability
TPSMP30AHE3/85A is available at Aetrix Electronics and suitable for automotive sensor protection, powertrain control module I/O hardening, and ADAS camera power line conditioning requiring stable component supply across production lifecycles.
Supply support for TPSMP30AHE3/85A 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, specializing in high-reliability passive and protective components for automotive, industrial, and computing markets.
The TPSMP30AHE3/85A belongs to Vishay's eSMP™ series of high-power-density TVS diodes engineered specifically for AEC-Q101-compliant automotive electronics requiring compact, robust transient suppression.
FAQ
What is the AEC-Q101 qualification status of the TPSMP30AHE3/85A?
The TPSMP30AHE3/85A is fully AEC-Q101 qualified, as confirmed in Vishay document 88471. This qualification covers stress testing for temperature cycling, high-temperature operating life, and ESD robustness-ensuring suitability for automotive powertrain and chassis applications. The HE3 suffix explicitly denotes high-reliability automotive grade compliance.
Does the TPSMP30AHE3/85A support automated SMT placement?
Yes, the TPSMP30AHE3/85A is optimized for automated placement with its DO-220AA (SMP) package, 1.0 mm typical height, and matte tin-plated leads compliant with J-STD-002. Its MSL Level 1 rating eliminates pre-bake requirements, enabling direct placement from sealed tape-and-reel into standard reflow processes peaking at 260 °C.
What is the maximum clamping voltage of the TPSMP30AHE3/85A under surge conditions?
The TPSMP30AHE3/85A has a maximum clamping voltage (VC) of 41.4 V at 9.7 A peak pulse current (IPPM) with a 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and ensures downstream circuitry remains within safe operating limits during standardized automotive transient events.
How does the TPSMP30AHE3/85A differ from the TPSMP30 variant?
The TPSMP30AHE3/85A features tighter VBR tolerance (28.5–31.5 V vs. 27.0–33.0 V for TPSMP30) and is AEC-Q101 qualified (denoted by "A" suffix and HE3 marking). Both share the DO-220AA package and 400 W PPPM, but only TPSMP30AHE3/85A meets automotive reliability standards for production vehicle deployment.
Is the TPSMP30AHE3/85A RoHS compliant and halogen-free?
Yes, the TPSMP30AHE3/85A complies with RoHS Directive 2002/95/EC and WEEE Directive 2002/96/EC. Its molding compound meets UL 94 V-0 flammability rating, and the matte tin plating contains no lead, cadmium, mercury, hexavalent chromium, PBB, or PBDE. Vishay confirms full halogen-free status per IEC 61249-2-21.
TPSMP30AHE3/85A 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):
- 25.6V
- Voltage - Breakdown (Min):
- 28.5V
- Voltage - Clamping (Max) @ Ipp:
- 41.4V
- Current - Peak Pulse (10/1000µs):
- 9.7A
- 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-220AA (SMP)
TPSMP30AHE3/85A FAQ
1.How can I place an order for TPSMP30AHE3/85A through Aetrix?
Please submit a Request for Quotation (RFQ) for TPSMP30AHE3/85A 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 TPSMP30AHE3/85A reliable?
The price and inventory of TPSMP30AHE3/85A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPSMP30AHE3/85A is usually 5 days.
3.What payment methods are accepted for TPSMP30AHE3/85A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPSMP30AHE3/85A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPSMP30AHE3/85A?
TPSMP30AHE3/85A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPSMP30AHE3/85A 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 TPSMP30AHE3/85A?
For technical support, including TPSMP30AHE3/85A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPSMP30AHE3/85A requirements.
6.How does Aetrix verify that TPSMP30AHE3/85A is sourced from the original manufacturer or authorized distributors?
All TPSMP30AHE3/85A 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 TPSMP30AHE3/85A meets industry standards.
7.What is the process for return or replacement of TPSMP30AHE3/85A?
All TPSMP30AHE3/85A units undergo pre-shipment inspection (PSI). If there is an issue with TPSMP30AHE3/85A, 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 TPSMP30AHE3/85A part is unused and in its original packaging.
Return procedure for TPSMP30AHE3/85A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPSMP30AHE3/85A Tags
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