Vishay General Semiconductor - Diodes Division TPSMC16HE3_A/H
- Part No.:
- TPSMC16HE3_A/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
TPSMC16HE3_A/H.pdf
- Description:
- TVS DIODE 12.9VWM 23.5VC DO214AB
- Quantity:
- Payment:

- Shipping:

Inventory:5,658
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Product details
Overview
TPSMC16HE3_A/H from Vishay General Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in DO-214AB (SMC) package, designed for high-reliability overvoltage protection of sensitive electronics. It features a 14.4 V minimum breakdown voltage (VBR), 12.9 V maximum stand-off voltage (VWM), 1500 W peak pulse power (10/1000 µs), 63.8 A peak pulse current (IPPM), and clamps to 23.5 V at rated surge. It is used to protect MOSFETs, ICs, and sensor signal lines in automotive and industrial power rails.
For engineers reviewing the TPSMC16HE3_A/H datasheet, TPSMC16HE3_A/H pinout, TPSMC16HE3_A/H application, or TPSMC16HE3_A/H equivalent, key selection criteria include unidirectional polarity, AEC-Q101 qualification, 185 °C junction temperature rating, low clamping voltage under surge, and compatibility with automated SMT assembly per J-STD-002 and JESD 22-B102.
Technical Context
This TVS diode employs passivated anisotropic rectifier technology to deliver stable clamping performance across wide temperature ranges. Its 185 °C maximum junction temperature and MSL Level 1 rating support high-reliability automotive and industrial applications where thermal cycling and long-term stability are critical.
The device operates exclusively in unidirectional mode with a color-band cathode marking and exhibits fast response time and low incremental surge resistance-key for suppressing transients induced by inductive load switching and lightning surges on DC power and signal lines.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 14.4 V / 17.6 V at 1 mA - defines reliable turn-on threshold before clamping begins |
| VWM | 12.9 V - maximum continuous reverse voltage without significant leakage (≤1 μA) |
| VC @ IPPM | 23.5 V - clamping voltage during 63.8 A 10/1000 µs surge, limiting stress on downstream components |
| PPPM | 1500 W - peak transient power handling capability under standardized waveform |
| TJ max. | +185 °C - enables operation in under-hood automotive and high-ambient industrial environments |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including temperature cycling, HTRB, and ESD |
| Package | DO-214AB (SMC) - industry-standard surface-mount outline with 8.0 mm × 8.0 mm copper pad requirement |
Pinout & Package
TPSMC16HE3_A/H is a two-terminal unidirectional TVS diode in DO-214AB (SMC) package. The cathode is marked by a color band on the body; the anode is the unmarked end. Mounting requires 0.31″ × 0.31″ (8.0 mm × 8.0 mm) copper pads per terminal for thermal and surge current handling.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point during forward conduction or surge clamping | Connected to protected line (e.g., +12 V rail); must be routed with low-inductance path to ground reference |
| Cathode | Current exit point; marked by color band | Connected to system ground or low-impedance return path; determines unidirectional clamping direction |
Key Features
| Feature | Design Value |
|---|---|
| Junction passivation | Optimized anisotropic rectifier structure ensures stable VBR drift ≤ ±5 % over lifetime and temperature |
| Surge robustness | Withstands 200 A 8.3 ms half-sine surge (IFSM) without degradation |
| Clamping efficiency | Low VC/VWM ratio of ~1.82 enables tighter protection margins for 12 V systems |
| Assembly compatibility | Matte tin-plated leads meet J-STD-002 solderability and JESD 201 Class 2 whisker resistance |
Applications
| Automotive Power Rail Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs against load dump and alternator transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power input and ground to clamp surges above 12.9 V. Use Value: Limits transient voltage to ≤23.5 V during 63.8 A surges, preventing damage to downstream LDOs and microcontrollers. |
Use Scenario: Shielding analog outputs of pressure/temperature sensors from ESD and cable discharge events. IC Role / Device Role / Timing Role: Low-capacitance TVS connected across differential signal pair or single-ended output to ground. Use Value: Sub-100 ns response time and <1 μA leakage at 12.9 V preserve signal integrity while meeting IEC 61000-4-2 Level 4. |
| DC Motor Drive Circuit Protection | Telecom Power Supply Input Stage |
Use Scenario: Suppressing inductive kickback from brushed DC motors in factory automation actuators. IC Role / Device Role / Timing Role: TVS mounted across motor terminals or H-bridge supply rail to absorb flyback energy. Use Value: 1500 W peak power rating handles repetitive switching transients without thermal runaway up to 185 °C. |
Use Scenario: Front-end surge suppression on 48 V telecom rectifier outputs feeding base station boards. IC Role / Device Role / Timing Role: Primary unidirectional clamping device on DC input before DC/DC converters. Use Value: AEC-Q101 qualification and MSL Level 1 ensure reliability in field-deployed equipment with no reflow concerns. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ16A-E3/5AT | Same VWM (13.6 V), lower PPPM (400 W), SMA package (smaller thermal mass) | Limited to lower-energy transients; unsuitable for automotive load dump per ISO 7637-2 | Select only for cost-sensitive consumer applications with <500 W surge requirements |
| 1.5SMC16A | Identical electrical specs but non-AEC-Q101; DO-214AB package; RoHS-compliant but not automotive-qualified | Not approved for automotive use; may require additional qualification testing for industrial deployments | Prefer TPSMC16HE3_A/H when AEC-Q101 compliance and 185 °C operation are mandatory |
Compared with SMAJ16A-E3/5AT and 1.5SMC16A, the TPSMC16HE3_A/H delivers higher surge robustness (1500 W vs. 400 W or 1500 W without AEC-Q101), guaranteed automotive qualification, and extended junction temperature range-making it the preferred choice for mission-critical 12 V system protection.
Availability
TPSMC16HE3_A/H is available at Aetrix Electronics and suitable for automotive electronic control units, industrial sensor interfaces, and telecom power supply designs requiring stable component supply, AEC-Q101 compliance, and high-temperature reliability.
Supply support for TPSMC16HE3_A/H 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, TVS devices, and optoelectronics with emphasis on reliability, power handling, and automotive qualification.
The TPSMC series was engineered specifically for high-energy transient suppression in harsh-environment applications-prioritizing AEC-Q101 compliance, 185 °C operation, and consistent clamping performance across temperature and life cycle.
FAQ
What is the maximum operating temperature for TPSMC16HE3_A/H?
The TPSMC16HE3_A/H has a maximum junction temperature (TJ) of +185 °C, verified per AEC-Q101 stress testing. This allows continuous operation in under-hood automotive environments and high-ambient industrial settings where standard TVS diodes (typically rated to +150 °C) would degrade. Derating curves in the datasheet confirm usable power dissipation up to this limit.
Is TPSMC16HE3_A/H compatible with lead-free reflow processes?
Yes, TPSMC16HE3_A/H meets J-STD-020 MSL Level 1 and supports peak reflow temperatures up to 260 °C. Its matte tin-plated leads comply with J-STD-002 for solderability and JESD 201 Class 2 for whisker resistance-ensuring robust performance in lead-free manufacturing without preconditioning or special handling.
Does TPSMC16HE3_A/H have bidirectional capability?
No, TPSMC16HE3_A/H is strictly unidirectional, as confirmed in the "Features" section of the Vishay datasheet (Document Number 88407). It conducts only in reverse breakdown mode and must be oriented with the cathode band toward the protected line's ground reference. Bidirectional variants (e.g., TPSMC16CA) are separate part numbers.
What is the clamping voltage of TPSMC16HE3_A/H at its rated surge current?
The TPSMC16HE3_A/H clamps to a maximum of 23.5 V at its rated peak pulse current (IPPM) of 63.8 A under the standard 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and appears in the Electrical Characteristics table on page 2 of the datasheet-critical for verifying margin against downstream component absolute maximum ratings.
How does TPSMC16HE3_A/H differ from the non-HE3 version?
The "HE3" suffix in TPSMC16HE3_A/H denotes RoHS-compliant construction, AEC-Q101 qualification, and JESD 201 Class 2 whisker resistance-features absent in legacy non-HE3 versions. The "A/H" suffix specifies ±5 % tolerance and 7″ tape-and-reel packaging (850 units). These identifiers are binding per Vishay's Ordering Information table on page 3.
TPSMC16HE3_A/H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AB, SMC
- Series:
- PAR®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 12.9V
- Voltage - Breakdown (Min):
- 14.4V
- Voltage - Clamping (Max) @ Ipp:
- 23.5V
- Current - Peak Pulse (10/1000µs):
- 63.8A
- Power - Peak Pulse:
- 1500W (1.5kW)
- 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-214AB (SMC)
TPSMC16HE3_A/H FAQ
1.How can I place an order for TPSMC16HE3_A/H through Aetrix?
Please submit a Request for Quotation (RFQ) for TPSMC16HE3_A/H 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 TPSMC16HE3_A/H reliable?
The price and inventory of TPSMC16HE3_A/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPSMC16HE3_A/H is usually 5 days.
3.What payment methods are accepted for TPSMC16HE3_A/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPSMC16HE3_A/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPSMC16HE3_A/H?
TPSMC16HE3_A/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPSMC16HE3_A/H 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 TPSMC16HE3_A/H?
For technical support, including TPSMC16HE3_A/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPSMC16HE3_A/H requirements.
6.How does Aetrix verify that TPSMC16HE3_A/H is sourced from the original manufacturer or authorized distributors?
All TPSMC16HE3_A/H 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 TPSMC16HE3_A/H meets industry standards.
7.What is the process for return or replacement of TPSMC16HE3_A/H?
All TPSMC16HE3_A/H units undergo pre-shipment inspection (PSI). If there is an issue with TPSMC16HE3_A/H, 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 TPSMC16HE3_A/H part is unused and in its original packaging.
Return procedure for TPSMC16HE3_A/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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