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Vishay General Semiconductor - Diodes Division TPSMP9.1AHM3/84A
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- Part No.:
- TPSMP9.1AHM3/84A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-220AA
- Datasheet:
-
TPSMP9.1AHM3/84A.pdf
- Description:
- TVS DIODE 7.78VWM 13.4VC DO220AA
- Quantity:
- Payment:
- Shipping:
Inventory:2,497
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Product details
Overview
TPSMP9.1AHM3/84A from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in DO-220AA (SMP) package, designed for high-reliability overvoltage protection of signal lines and power rails. It features a 9.55 V maximum breakdown voltage (VBR), 7.78 V stand-off voltage (VWM), 22.4 V clamping voltage at 50 A peak pulse current (IPPM), and 300 W peak pulse power rating at 10/1000 µs waveform - optimized for automotive sensor interface and microcontroller I/O line protection.
For engineers reviewing the TPSMP9.1AHM3/84A datasheet, TPSMP9.1AHM3/84A pinout, TPSMP9.1AHM3/84A application, or TPSMP9.1AHM3/84A equivalent, this device delivers AEC-Q101 qualification, 185 °C junction temperature capability, low-profile 1.0 mm height, MSL Level 1 moisture sensitivity, and halogen-free RoHS-compliant construction - critical for automotive ECU, ADAS sensor modules, and industrial control I/O protection design-in.
Technical Context
The TPSMP9.1AHM3/84A operates as a silicon avalanche diode with passivated anisotropic rectifier technology, enabling fast response time (<1 ns) and low incremental surge resistance. Its unidirectional polarity and cathode band marking align with standard PCB layout conventions for reverse-biased protection placement across DC rails or signal paths.
Designed for surface-mount automated assembly on FR-4 PCBs with 5.0 mm × 5.0 mm copper pads per terminal, it supports 40 A non-repetitive forward surge current (IFSM) and maintains stable clamping performance up to 150 °C ambient, validated under JESD22-B102 solderability and JESD201 Class 2 whisker testing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (max) | 9.55 V - ensures reliable triggering above normal 7.78 V operating rail without false conduction |
| VC @ IPPM | 22.4 V at 50 A - limits transient-induced voltage overshoot to safe levels for 3.3 V/5 V logic interfaces |
| PPPM | 300 W - sustains 10/1000 µs surges typical of ISO 7637-2 Pulse 1/2a/5a in automotive environments |
| TJ max | 185 °C - enables operation in under-hood ECUs and motor control enclosures without thermal derating |
| Package | DO-220AA (SMP) - 1.0 mm profile allows dense routing in space-constrained ADAS camera modules |
| AEC-Q101 | Qualified - meets stress test requirements for automotive-grade reliability and lifetime validation |
Pinout & Package
DO-220AA (SMP) package: 2-terminal surface-mount device with cathode indicated by color band; matte tin-plated leads compliant with J-STD-002 and JESD22-B102; footprint compatible with automated pick-and-place systems.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Input/Line side connection | Connected to protected signal or power line; conducts during reverse-transient events |
| Cathode (banded end) | Ground/reference return path | Connected to system ground or low-impedance reference plane; defines unidirectional clamping direction |
Key Features
| Feature | Design Value |
|---|---|
| Junction passivation | Optimized anisotropic rectifier structure improves long-term leakage stability under thermal cycling |
| Low profile height | 1.0 mm typical - enables use in slim automotive camera housings and stacked PCB assemblies |
| MSL Level 1 rating | Reflow-compatible up to 260 °C peak without baking - reduces manufacturing handling overhead |
| Halogen-free & RoHS | HM3 suffix confirms compliance with environmental regulations and automotive material categorization |
Applications
| Automotive Sensor Interface | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting LIN bus transceivers and analog sensor outputs (e.g., pressure, temperature) in engine control units against load dump and inductive switching transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between sensor output pin and chassis ground to clamp ESD and ISO 10605 events. Use Value: 22.4 V clamping voltage ensures downstream 5 V ADC inputs remain within absolute maximum ratings during 300 W surges. | Use Scenario: Safeguarding digital input channels of programmable logic controllers exposed to field wiring surges in factory automation environments. IC Role / Device Role / Timing Role: Standoff protection device mounted at connector entry point to shunt induced lightning-induced transients before reaching isolation barrier. Use Value: 185 °C junction rating supports continuous operation in uncooled control cabinets with ambient temperatures up to 85 °C. |
| Automotive Camera Module | USB 2.0 Data Line Protection |
Use Scenario: Overvoltage suppression on MIPI CSI-2 differential pairs and power supply rails inside rear-view and surround-view camera modules. IC Role / Device Role / Timing Role: Low-capacitance unidirectional TVS placed adjacent to image sensor IC to minimize signal distortion while providing robust EOS immunity. Use Value: DO-220AA's 1.0 mm height enables co-placement with 0201/0402 passive components on compact flex-rigid PCBs. | Use Scenario: ESD protection for USB 2.0 D+/D− lines in infotainment head units and telematics gateways subjected to IEC 61000-4-2 ±8 kV contact discharge. IC Role / Device Role / Timing Role: Fast-response TVS connected between data line and ground to divert ESD current away from USB PHY transceiver. Use Value: Sub-nanosecond response time prevents latch-up in USB controller ICs during transient events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ9.0A-E3/5A | Higher VBR min (8.1 V), lower PPPM (400 W only at ≥13 V VBR; rated 300 W at 9.0 V), SMA package (2.3 mm height) | Less suitable for ultra-low-profile automotive modules due to taller package; same AEC-Q101 qualification | Select when board height budget allows >1.3 mm and legacy SMA footprint reuse is prioritized |
| TPSMA6.8A-Q | Lower VBR (6.45–7.14 V), same DO-220AA package, AEC-Q101 qualified, but 250 W PPPM rating | Better suited for 5 V rail protection where tighter clamping margin is required | Choose for 5 V MCU I/O protection where lower clamping voltage (<18 V) is mandatory |
Compared with SMAJ9.0A-E3/5A and TPSMA6.8A-Q, the TPSMP9.1AHM3/84A uniquely balances 9.55 V VBR, 300 W surge capability, and 1.0 mm profile in an AEC-Q101-qualified DO-220AA package - making it optimal for next-generation compact automotive electronics requiring both space efficiency and robust transient immunity.
Availability
TPSMP9.1AHM3/84A is available at Aetrix Electronics and suitable for automotive ECU design, ADAS camera module production, and industrial PLC I/O protection requiring stable component supply across extended temperature and lifecycle demands.
Supply support for TPSMP9.1AHM3/84A 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 automotive, industrial, and computing applications.
The TPSMP9.1AHM3/84A belongs to Vishay's eSMP® Series of high-power-density PAR® TVS diodes, engineered specifically for AEC-Q101-compliant overvoltage protection in space-constrained automotive electronics.
FAQ
What is the breakdown voltage range of the TPSMP9.1AHM3/84A?
The TPSMP9.1AHM3/84A has a specified breakdown voltage (VBR) range of 8.65 V (minimum) to 9.55 V (maximum) at 1.0 mA test current, per Vishay Document Number 88471. This tight tolerance ensures predictable turn-on behavior for protecting 7.78 V nominal systems while avoiding premature conduction during normal operation. The TPSMP9.1AHM3/84A achieves this using passivated anisotropic rectifier technology calibrated for automotive-grade consistency.
Is the TPSMP9.1AHM3/84A suitable for automotive applications?
Yes, the TPSMP9.1AHM3/84A is AEC-Q101 qualified and rated for operation from -65 °C to +185 °C junction temperature, making it fully suitable for under-hood and cabin automotive applications. Its DO-220AA package meets MSL Level 1 reflow requirements, and the HM3 suffix confirms halogen-free, RoHS-compliant, and automotive material categorization. The TPSMP9.1AHM3/84A is explicitly listed in Vishay's automotive-grade TVS portfolio for ECU, sensor, and camera module protection.
What is the clamping voltage of the TPSMP9.1AHM3/84A at its rated peak pulse current?
The TPSMP9.1AHM3/84A exhibits a maximum clamping voltage (VC) of 22.4 V at 50 A peak pulse current (IPPM) under 10/1000 µs waveform conditions. This value is measured per ANSI/IEEE C62.35 standards and guarantees that protected circuitry - such as 3.3 V or 5 V microcontrollers - remains within safe operating limits during surge events. The TPSMP9.1AHM3/84A achieves this with low incremental surge resistance inherent to its optimized junction passivation.
Does the TPSMP9.1AHM3/84A have a bidirectional configuration?
No, the TPSMP9.1AHM3/84A is strictly unidirectional, as confirmed in the Vishay datasheet's FEATURES section and ELECTRICAL CHARACTERISTICS table. It features a cathode band for polarity identification and is intended for DC rail or single-polarity signal line protection. For bidirectional AC or differential line protection, engineers must select alternate parts such as the TPSMP9.1CA series - the TPSMP9.1AHM3/84A does not support symmetrical clamping.
What packaging format is used for the TPSMP9.1AHM3/84A?
The TPSMP9.1AHM3/84A is supplied in 7-inch diameter plastic tape and reel packaging, with a base quantity of 3000 units per reel (ordering code /84A). The DO-220AA (SMP) package has matte tin-plated leads compliant with J-STD-002 and JESD22-B102, supporting standard SMT reflow profiles up to 260 °C peak. This packaging format ensures compatibility with high-speed automated placement equipment used in automotive electronics manufacturing.
TPSMP9.1AHM3/84A 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):
- 7.78V
- Voltage - Breakdown (Min):
- 8.65V
- Voltage - Clamping (Max) @ Ipp:
- 13.4V
- Current - Peak Pulse (10/1000µs):
- 22.4A
- 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)
TPSMP9.1AHM3/84A FAQ
1.How can I place an order for TPSMP9.1AHM3/84A through Aetrix?
Please submit a Request for Quotation (RFQ) for TPSMP9.1AHM3/84A 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 TPSMP9.1AHM3/84A reliable?
The price and inventory of TPSMP9.1AHM3/84A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPSMP9.1AHM3/84A is usually 5 days.
3.What payment methods are accepted for TPSMP9.1AHM3/84A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPSMP9.1AHM3/84A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPSMP9.1AHM3/84A?
TPSMP9.1AHM3/84A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPSMP9.1AHM3/84A 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 TPSMP9.1AHM3/84A?
For technical support, including TPSMP9.1AHM3/84A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPSMP9.1AHM3/84A requirements.
6.How does Aetrix verify that TPSMP9.1AHM3/84A is sourced from the original manufacturer or authorized distributors?
All TPSMP9.1AHM3/84A 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 TPSMP9.1AHM3/84A meets industry standards.
7.What is the process for return or replacement of TPSMP9.1AHM3/84A?
All TPSMP9.1AHM3/84A units undergo pre-shipment inspection (PSI). If there is an issue with TPSMP9.1AHM3/84A, 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 TPSMP9.1AHM3/84A part is unused and in its original packaging.
Return procedure for TPSMP9.1AHM3/84A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPSMP9.1AHM3/84A Tags
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