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Vishay General Semiconductor - Diodes Division TPSMP9.1AHE3/84A
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- Part No.:
- TPSMP9.1AHE3/84A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-220AA
- Datasheet:
-
TPSMP9.1AHE3/84A.pdf
- Description:
- TVS DIODE 7.78VWM 13.4VC DO220AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,273
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Product details
Overview
TPSMP9.1AHE3/84A from Vishay General Semiconductor is a unidirectional automotive-grade transient voltage suppressor (TVS) diode in DO-220AA (SMP) package, with 8.65 V to 9.55 V breakdown voltage (VBR), 22.4 V clamping voltage (VC) at 50 A peak pulse current, and 300 W peak pulse power rating for 10/1000 µs waveform. It protects signal lines and drive transistors in automotive sensor units.
For engineers reviewing the TPSMP9.1AHE3/84A datasheet, TPSMP9.1AHE3/84A pinout, TPSMP9.1AHE3/84A application, or TPSMP9.1AHE3/84A equivalent, key selection criteria include AEC-Q101 qualification, low-profile 1.0 mm height, 7.78 V stand-off voltage (VWM), ≤10 µA reverse leakage at VWM, and MSL Level 1 moisture sensitivity.
Technical Context
This TVS diode uses patented PAR oxide-passivated chip construction to achieve low incremental surge resistance and excellent clamping capability. Its unidirectional configuration provides robust protection against positive-going transients only, with fast response time and stable performance up to +185 °C junction temperature.
The device is rated for 40 A non-repetitive forward surge current (IFSM) and exhibits a temperature coefficient of VBR of +0.068 %/°C. It meets RoHS 2002/95/EC and WEEE 2002/96/EC, and terminals are matte tin plated per J-STD-002 and JESD22-B102.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 8.65 V / 9.55 V - ensures reliable triggering above system operating voltage while avoiding false clamping |
| VWM | 7.78 V - maximum continuous reverse working voltage before leakage exceeds 10 µA |
| VC @ IPPM = 50 A | 22.4 V - clamped voltage during 10/1000 µs surge, limiting stress on downstream ICs |
| PPPM | 300 W - peak pulse power handling capacity under standard 10/1000 µs transient waveform |
| IR @ VWM | ≤10 µA - low leakage preserves signal integrity and minimizes standby power loss |
| TJ max. | +185 °C - enables operation in under-hood automotive environments without thermal derating |
Pinout & Package
Package: DO-220AA (SMP), surface-mount, 2-terminal unidirectional TVS diode with cathode indicated by color band. Typical height: 1.0 mm. Compliant with UL 94 V-0.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal during forward conduction | Connected to protected line side; must be routed with low-inductance path to ground reference |
| Cathode (banded end) | Current exit terminal during clamping | Connected to system ground; determines polarity-specific transient suppression direction |
Key Features
| Feature | Design Value |
|---|---|
| Patented PAR oxide passivation | Enables stable VBR and low surge resistance over lifetime and temperature cycling |
| AEC-Q101 qualified | Validated for automotive applications including engine control, ADAS sensors, and body electronics |
| MSL Level 1 (260 °C peak) | Supports lead-free reflow soldering without preconditioning or baking |
| Low profile (1.0 mm height) | Reduces board space and mechanical interference in tight automotive module layouts |
Applications
| Automotive Sensor Protection | Power Supply Rail Clamping |
|---|---|
Use Scenario: Protecting CAN/LIN bus interface ICs and analog sensor outputs (e.g., pressure, temperature) from load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Unidirectional TVS placed between signal line and chassis ground to clamp positive transients. Use Value: Limits voltage excursion to ≤22.4 V during 50 A surges, preventing latch-up or damage to 5 V or 3.3 V interface ICs. | Use Scenario: Safeguarding 12 V automotive power rails feeding microcontrollers and driver ICs against battery reversal and jump-start spikes. IC Role / Device Role / Timing Role: Standoff-rated TVS connected across rail-to-ground to absorb energy without conducting during normal operation. Use Value: Withstands 300 W peak pulses and maintains <10 µA leakage at 7.78 V, ensuring minimal impact on rail regulation. |
| Industrial Motor Drive Protection | Consumer Appliance Control Board |
Use Scenario: Shielding gate drivers and logic inputs in BLDC motor controllers from inductive switching spikes. IC Role / Device Role / Timing Role: Fast-response TVS placed at driver input pins to shunt transient energy before propagation into CMOS logic. Use Value: 22.4 V clamping voltage prevents overvoltage stress on 5 V tolerant inputs, preserving timing margins and logic integrity. | Use Scenario: Securing microcontroller I/O lines and display backlight drivers in washing machines and HVAC controls exposed to ESD and relay bounce. IC Role / Device Role / Timing Role: Low-leakage unidirectional suppressor used on 5 V or 3.3 V signal paths to meet IEC 61000-4-2/4-4 immunity requirements. Use Value: AEC-Q101 qualification ensures long-term reliability in thermally cycled consumer environments without parameter drift. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ9.0A | DO-214AC package (higher profile: 2.3 mm), 300 W PPPM, VBR = 10.0–11.1 V, VC = 14.4 V @ 20.8 A | Lower clamping ratio but larger footprint; not AEC-Q101 qualified | Select when cost priority outweighs automotive qualification and board height constraints |
| TPSMAJ9.0A | Same DO-214AC package, AEC-Q101 qualified, VBR = 10.0–11.1 V, VC = 14.4 V @ 20.8 A, 300 W | Higher clamping voltage margin required due to wider VBR tolerance; same qualification level | Choose if existing DO-214AC layout exists and lower clamping voltage is acceptable |
Compared with SMAJ9.0A and TPSMAJ9.0A, the TPSMP9.1AHE3/84A delivers identical 300 W surge rating in a 57 % lower profile package (1.0 mm vs. 2.3 mm), with tighter VBR tolerance (±5.3 % vs. ±10 %) and guaranteed AEC-Q101 compliance-critical for new automotive designs requiring miniaturization and qualification traceability.
Availability
TPSMP9.1AHE3/84A is available at Aetrix Electronics and suitable for automotive sensor units, industrial motor drives, and consumer appliance control boards requiring stable component supply and AEC-Q101-compliant transient protection.
Supply support for TPSMP9.1AHE3/84A 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 reliability, automotive qualification, and high-power density packaging.
The TPSMP9.1AHE3/84A belongs to Vishay's eSMP™ Series of ultra-low-profile TVS diodes, engineered specifically for space-constrained automotive and industrial applications demanding AEC-Q101 validation and robust transient immunity.
FAQ
What is the breakdown voltage range for TPSMP9.1AHE3/84A?
The TPSMP9.1AHE3/84A has a specified breakdown voltage (VBR) range of 8.65 V minimum to 9.55 V maximum at 1 mA test current. This tight ±5.3 % tolerance ensures predictable clamping onset in 7.78 V stand-off systems and supports robust design margining against false triggering.
Is TPSMP9.1AHE3/84A qualified for automotive use?
Yes, the TPSMP9.1AHE3/84A is AEC-Q101 qualified and designated as high-reliability/automotive grade (suffix "A" and "HE3"). It is tested per JESD201 Class 2 whisker resistance and meets MSL Level 1 for lead-free reflow, making it suitable for under-hood and safety-critical automotive modules.
What is the clamping voltage of TPSMP9.1AHE3/84A at its rated peak pulse current?
The TPSMP9.1AHE3/84A clamps to a maximum of 22.4 V at 50 A peak pulse current (IPPM) under the standard 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and defines the maximum voltage seen by protected circuitry during worst-case surge events.
Does TPSMP9.1AHE3/84A have polarity marking, and how is it identified?
Yes, the TPSMP9.1AHE3/84A features a cathode band printed on the package body, consistent with DO-220AA (SMP) mechanical outline. The banded end is the cathode terminal; correct orientation is essential for unidirectional transient suppression and must align with PCB silkscreen polarity indicators.
What is the maximum steady-state power dissipation for TPSMP9.1AHE3/84A?
The TPSMP9.1AHE3/84A has a maximum steady-state power dissipation (PD) of 2.5 W when mounted on an infinite heatsink at TA = 75 °C. Under typical FR-4 PCB conditions with Vishay-recommended 5.0 × 5.0 mm copper pads, derating applies per Figure 2 in datasheet 88471.
TPSMP9.1AHE3/84A 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)
TPSMP9.1AHE3/84A FAQ
1.How can I place an order for TPSMP9.1AHE3/84A through Aetrix?
Please submit a Request for Quotation (RFQ) for TPSMP9.1AHE3/84A 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 TPSMP9.1AHE3/84A reliable?
The price and inventory of TPSMP9.1AHE3/84A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPSMP9.1AHE3/84A is usually 5 days.
3.What payment methods are accepted for TPSMP9.1AHE3/84A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPSMP9.1AHE3/84A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPSMP9.1AHE3/84A?
TPSMP9.1AHE3/84A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPSMP9.1AHE3/84A 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 TPSMP9.1AHE3/84A?
For technical support, including TPSMP9.1AHE3/84A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPSMP9.1AHE3/84A requirements.
6.How does Aetrix verify that TPSMP9.1AHE3/84A is sourced from the original manufacturer or authorized distributors?
All TPSMP9.1AHE3/84A 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 TPSMP9.1AHE3/84A meets industry standards.
7.What is the process for return or replacement of TPSMP9.1AHE3/84A?
All TPSMP9.1AHE3/84A units undergo pre-shipment inspection (PSI). If there is an issue with TPSMP9.1AHE3/84A, 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 TPSMP9.1AHE3/84A part is unused and in its original packaging.
Return procedure for TPSMP9.1AHE3/84A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPSMP9.1AHE3/84A Tags
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