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Vishay General Semiconductor - Diodes Division TPSMP12HE3/84A
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- Part No.:
- TPSMP12HE3/84A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-220AA
- Datasheet:
-
TPSMP12HE3/84A.pdf
- Description:
- TVS DIODE 9.72VWM 17.3VC DO220AA
- Quantity:
- Payment:
- Shipping:
Inventory:2,406
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Product details
Overview
TPSMP12HE3/84A from Vishay General Semiconductor is a unidirectional automotive-grade transient voltage suppressor (TVS) diode in DO-220AA (SMP) package, with 10.8 V to 13.2 V breakdown voltage (VBR), 17.3 A peak pulse current (IPPM), and 17.3 V clamping voltage (VC) at IPPM, designed for robust ESD and surge protection of low-voltage signal lines in automotive ECUs and sensor interfaces.
For engineers reviewing the TPSMP12HE3/84A datasheet, TPSMP12HE3/84A pinout, TPSMP12HE3/84A application, or TPSMP12HE3/84A equivalent, this page delivers verified electrical parameters, AEC-Q101 qualification status, DO-220AA mechanical dimensions, clamping performance under 10/1000 µs transients, and direct alternatives for automotive power rail and signal line protection.
Technical Context
The TPSMP12HE3/84A employs patented PAR oxide-passivated chip construction enabling low incremental surge resistance and excellent clamping capability. Its unidirectional configuration supports cathode-grounded protection topologies in DC-biased circuits such as CAN bus receivers and LIN transceivers.
Rated for 185 °C maximum junction temperature and qualified to AEC-Q101, it sustains 40 A non-repetitive forward surge current (IFSM) and delivers 300 W peak pulse power (PPPM) at 12 V VBR, with <0.1 µA reverse leakage at 9.72 V stand-off voltage (VWM) and 1.0 mm profile optimized for automated SMT placement.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 10.8 V / 13.2 V - Ensures reliable triggering above normal 12 V system operating range while avoiding false trips during load dump transients. |
| VC @ IPPM | 17.3 V - Clamps induced surges to safe levels for downstream 20 V-rated ICs like microcontrollers and transceivers. |
| IPPM | 17.3 A - Withstands ISO 7637-2 Pulse 1 (−150 V, 50 Ω, 2 Ω) and Pulse 2a (−100 V, 2 Ω) without degradation. |
| PPPM | 300 W - Delivers high-energy suppression capability in compact DO-220AA footprint for space-constrained automotive modules. |
| VWM | 9.72 V - Maintains stable operation across full automotive temperature range (−40 °C to +125 °C ambient) with <1.0 µA leakage. |
| TJ max | 185 °C - Supports under-hood deployment in engine control units and transmission control modules with high thermal stress. |
Pinout & Package
Package: DO-220AA (SMP), surface-mount, single-ended unidirectional TVS diode with cathode indicated by color band. Dimensions: 3.61 mm × 1.88 mm × 1.0 mm (L × W × H), matte tin-plated leads compliant with J-STD-002 and JESD22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Input/Line side terminal | Connected to protected signal or power line; conducts surge current toward cathode during overvoltage events. |
| Cathode | Ground/reference side terminal | Connected to system ground or low-impedance return path; defines unidirectional conduction direction and clamping reference. |
Key Features
| Feature | Design Value |
|---|---|
| Automotive qualification | AEC-Q101 qualified - Validated for use in safety-critical automotive electronics including ADAS sensors and body control modules. |
| Low-profile packaging | 1.0 mm typical height - Enables placement beneath connectors and in tight PCB cavities common in modern automotive ECUs. |
| Patented chip construction | PAR oxide passivation - Reduces surge resistance drift and improves long-term reliability under repeated transient stress. |
| MSL level 1 rating | Reflow compatible up to 260 °C peak - Eliminates moisture sensitivity concerns during standard lead-free reflow assembly. |
Applications
| Automotive Sensor Protection | CAN Bus Interface Protection |
|---|---|
Use Scenario: Protecting analog output lines of pressure, temperature, and position sensors in engine bay environments subject to ISO 7637-2 transients. IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed between sensor output and MCU ADC input to limit voltage excursions to ≤17.3 V. Use Value: Prevents ADC saturation and input stage damage during load dump events while maintaining <1.0 µA leakage at 9.72 V nominal supply. |
Use Scenario: Safeguarding CANH/CANL differential pair inputs in automotive gateway modules exposed to ESD and coupled noise. IC Role / Device Role / Timing Role: Paired TPSMP12HE3/84A devices (one per line) referenced to chassis ground provide bidirectional-like protection via unidirectional topology. Use Value: Achieves <1 ns response time and clamps fast-rising ESD pulses (IEC 61000-4-2 ±25 kV) without distorting 1 Mbps CAN signaling integrity. |
| Body Control Module Power Rail | Infotainment Display Interface |
Use Scenario: Suppressing switching spikes on 12 V supply rails feeding door module microcontrollers and motor drivers. IC Role / Device Role / Timing Role: Parallel-mounted TPSMP12HE3/84A absorbs repetitive 300 W transients from relay coil flyback and alternator ripple. Use Value: Sustains 40 A IFSM and operates continuously at 185 °C junction temperature, ensuring reliability over 15-year vehicle lifetime. |
Use Scenario: Shielding LVDS or FPD-Link III video data lines between head unit and digital instrument cluster from board-level ESD. IC Role / Device Role / Timing Role: Low-capacitance (<50 pF) unidirectional TVS placed adjacent to connector pins minimizes signal distortion on high-speed serial links. Use Value: Maintains <0.1 µA leakage at 9.72 V VWM to avoid DC bias shift on sensitive receiver inputs while clamping ±15 kV contact discharge. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ12A-E3/5AT | DO-214AC (SMA) package; 13.3 V VBR min; 19.9 V VC; 400 W PPPM; not AEC-Q101 qualified. | Higher clamping voltage reduces margin for 20 V-rated ICs; larger 2.5 mm height limits ultra-thin module designs. | Select when cost sensitivity outweighs automotive qualification and board space constraints. |
| TPSMP12AHE3/84A | Enhanced variant: 11.4–12.6 V VBR, 16.7 V VC, tighter tolerance, same DO-220AA package and AEC-Q101 rating. | Improved clamping margin for next-generation 16 V tolerant MCUs; identical footprint enables drop-in upgrade. | Choose for new designs requiring lower clamping voltage and tighter VBR distribution without layout change. |
Compared with SMAJ12A-E3/5AT, TPSMP12HE3/84A offers AEC-Q101 compliance and 1.0 mm profile critical for automotive modules, while TPSMP12AHE3/84A provides superior clamping performance within the same qualified platform-making both viable depending on qualification and voltage margin requirements.
Availability
TPSMP12HE3/84A is available at Aetrix Electronics and suitable for automotive electronic control units, sensor interface circuits, and infotainment system power rails requiring stable component supply with guaranteed AEC-Q101 qualification and long-term production continuity.
Supply support for TPSMP12HE3/84A 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 high-reliability diodes, MOSFETs, and passive components engineered for automotive, industrial, and computing applications.
The TPSMP12HE3/84A belongs to Vishay's eSMP™ series of high-power-density TVS diodes, developed specifically to meet stringent AEC-Q101 requirements for under-hood and safety-critical automotive electronics.
FAQ
What is the AEC-Q101 qualification status of the TPSMP12HE3/84A?
The TPSMP12HE3/84A is explicitly qualified to AEC-Q101 standards, as confirmed in Vishay document 88471, section "Notes" on page 3. This qualification covers stress testing for temperature cycling, humidity, mechanical shock, and high-temperature operating life-ensuring suitability for automotive applications where reliability is mission-critical. The TPSMP12HE3/84A meets all required test conditions without derating.
Does the TPSMP12HE3/84A support lead-free reflow soldering?
Yes, the TPSMP12HE3/84A is rated MSL Level 1 per J-STD-020 and supports peak reflow temperatures up to 260 °C, fully compatible with standard lead-free soldering processes. Its matte tin-plated leads meet J-STD-002 and JESD22-B102 solderability requirements, and the device passes JESD201 Class 2 whisker testing due to its HE3 suffix construction.
What is the clamping voltage of the TPSMP12HE3/84A at its rated peak pulse current?
The TPSMP12HE3/84A exhibits a maximum clamping voltage (VC) of 17.3 V when subjected to its rated 17.3 A peak pulse current (IPPM) under the standardized 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and ensures compatibility with 20 V absolute maximum rated ICs commonly used in automotive signal chains.
How does the TPSMP12HE3/84A differ from the TPSMP12AHE3/84A variant?
The TPSMP12AHE3/84A features a tighter breakdown voltage range (11.4 V to 12.6 V vs. 10.8 V to 13.2 V for TPSMP12HE3/84A) and lower clamping voltage (16.7 V vs. 17.3 V), offering improved voltage margin for newer 16 V-tolerant ICs. Both share identical DO-220AA packaging, AEC-Q101 qualification, and thermal ratings-making TPSMP12AHE3/84A a direct performance upgrade.
What is the maximum steady-state power dissipation for the TPSMP12HE3/84A?
The TPSMP12HE3/84A has a maximum steady-state power dissipation (PD) of 2.5 W when mounted on an infinite heatsink at 75 °C ambient temperature. Derating follows the curve in Figure 2 of Vishay document 88471, reducing to ~1.2 W at 125 °C ambient-sufficient for continuous operation in engine control and body electronics with proper PCB copper area design.
TPSMP12HE3/84A 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):
- 9.72V
- Voltage - Breakdown (Min):
- 10.8V
- Voltage - Clamping (Max) @ Ipp:
- 17.3V
- Current - Peak Pulse (10/1000µs):
- 17.3A
- 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)
TPSMP12HE3/84A FAQ
1.How can I place an order for TPSMP12HE3/84A through Aetrix?
Please submit a Request for Quotation (RFQ) for TPSMP12HE3/84A 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 TPSMP12HE3/84A reliable?
The price and inventory of TPSMP12HE3/84A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPSMP12HE3/84A is usually 5 days.
3.What payment methods are accepted for TPSMP12HE3/84A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPSMP12HE3/84A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPSMP12HE3/84A?
TPSMP12HE3/84A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPSMP12HE3/84A 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 TPSMP12HE3/84A?
For technical support, including TPSMP12HE3/84A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPSMP12HE3/84A requirements.
6.How does Aetrix verify that TPSMP12HE3/84A is sourced from the original manufacturer or authorized distributors?
All TPSMP12HE3/84A 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 TPSMP12HE3/84A meets industry standards.
7.What is the process for return or replacement of TPSMP12HE3/84A?
All TPSMP12HE3/84A units undergo pre-shipment inspection (PSI). If there is an issue with TPSMP12HE3/84A, 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 TPSMP12HE3/84A part is unused and in its original packaging.
Return procedure for TPSMP12HE3/84A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPSMP12HE3/84A Tags
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