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Vishay General Semiconductor - Diodes Division SM15T150AHM3/H
- Part No.:
- SM15T150AHM3/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SM15T150AHM3/H.pdf
- Description:
- TVS DIODE 128VWM 207VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:6,777
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Product details
Overview
SM15T150AHM3/H from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) in SMC (DO-214AB) package, rated for 1500 W peak pulse power (10/1000 μs), 150 V standoff voltage (VWM), 207 V clamping voltage (VC) at 7.2 A IPPM, and 150 °C max junction temperature. It protects MOSFETs and signal lines in automotive powertrain control modules against lightning-induced and inductive-switching transients.
For engineers reviewing the SM15T150AHM3/H datasheet, SM15T150AHM3/H pinout, SM15T150AHM3/H application, or SM15T150AHM3/H equivalent, key selection criteria include verified clamping performance at 7.2 A, halogen-free RoHS-compliant construction with AEC-Q101 qualification, and thermal resistance (RθJL = 15 °C/W) suitable for high-reliability under-hood environments.
Technical Context
This TVS diode operates as a unidirectional clamping device, triggered when reverse voltage exceeds 150 V (VWM) and fully clamping at ≤207 V (VC) under 10/1000 μs transient stress. Its glass-passivated junction ensures stable breakdown behavior and low leakage (<1 μA at VWM).
Designed for high-energy threat suppression, it sustains 200 A non-repetitive forward surge (IFSM) and dissipates 6.5 W continuously at 50 °C ambient. The SMC package enables automated placement while meeting MSL Level 1 and JESD 201 Class 2 whisker resistance requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 150 V - Maximum continuous reverse operating voltage before clamping initiates |
| VBR min/max | 143 V / 158 V at 1 mA - Confirmed breakdown threshold range ensuring reliable turn-on margin |
| VC @ IPPM | 207 V at 7.2 A (10/1000 μs) - Clamping voltage limiting downstream component stress during surge events |
| PPPM | 1500 W - Peak transient energy absorption capability per standard waveform |
| RθJL | 15 °C/W - Low junction-to-lead thermal resistance enabling efficient heat transfer to PCB copper pads |
| TJ max | +150 °C - Maximum junction temperature supporting operation in under-hood automotive environments |
| IFSM | 200 A - Single half-sine surge current rating for inductive load switching protection |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, low-profile, matte tin-plated leads solderable per J-STD-002 and JESD 22-B102. Cathode indicated by band marking.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry (unidirectional) | Connected to protected line ground or low-side reference; defines conduction direction |
| Cathode | Reverse-biased clamping node | Connected to protected signal/power line; absorbs transient energy when voltage exceeds VWM |
Key Features
| Feature | Design Value |
|---|---|
| 1500 W peak pulse power (10/1000 μs) | Enables robust protection against IEC 61000-4-5 Level 4 surges without derating in standard layouts |
| AEC-Q101 qualified (HM3 suffix) | Validated for automotive powertrain and chassis applications requiring zero-failure reliability over temperature and lifetime |
| Halogen-free, RoHS-compliant construction | Meets global environmental compliance mandates without compromising thermal or electrical performance |
| Low RθJL (15 °C/W) | Reduces thermal stress on the junction during repetitive transients, extending operational life in high-duty-cycle systems |
| Glass passivated chip junction | Ensures stable VBR and low leakage across temperature and humidity, critical for long-term field reliability |
Applications
| Automotive Powertrain Control | Industrial Motor Drive I/O Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed microcontroller I/O and gate drivers in engine control units exposed to load-dump and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS clamping transient overvoltage on CAN transceiver supply rails and sensor excitation outputs. Use Value: Limits voltage to ≤207 V during 7.2 A surges, preventing latch-up or oxide breakdown in 3.3 V/5 V logic interfaces. | Use Scenario: Safeguarding PLC analog input channels connected to 4–20 mA current loops near contactor coils and solenoids. IC Role / Device Role / Timing Role: Standoff-rated transient suppressor placed at terminal block entry to shunt inductive kickback before reaching ADC front-end. Use Value: Withstands 200 A single-half-sine surges and clamps within 100 ns, preserving signal integrity of precision 16-bit measurements. |
| Telecom Base Station DC Power Input | Consumer Appliance Mainboard Surge Protection |
Use Scenario: Secondary-level protection on +48 V DC input rails of remote radio units subjected to lightning-induced surges via outdoor cabling. IC Role / Device Role / Timing Role: High-power TVS deployed after primary GDT/MOV stage to handle residual fast-rising transients. Use Value: 1500 W PPPM rating and 207 V VC ensure downstream DC-DC converters remain within safe operating area during combined threat events. | Use Scenario: Overvoltage protection on AC-DC converter output rails feeding MCU and display driver ICs in smart washing machines. IC Role / Device Role / Timing Role: Unidirectional clamp on 12 V auxiliary rail suppressing transients from brushed motor commutation noise. Use Value: Halogen-free HM3 construction supports regional regulatory compliance while maintaining 150 °C TJ max for sealed enclosure thermal management. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ150A-E3/57T | 600 W PPPM, SMA package, same VWM/VC but lower IPPM (4.3 A) | Limited to lower-energy threats; unsuitable for IEC 61000-4-5 Level 4 | Select only where board space is constrained and surge threat level is ≤Level 2 |
| SMCJ150A-M3/57T | 1500 W PPPM, identical SMC package, but commercial-grade (non-AEC-Q101), no halogen-free assurance | Acceptable for industrial/commercial use but not automotive qualified systems | Choose when AEC-Q101 and halogen-free compliance are not required |
Compared with SM15T150AHM3/H, SMAJ150A-E3/57T offers smaller footprint but sacrifices 60% peak power handling, while SMCJ150A-M3/57T matches power and package but lacks automotive qualification and halogen-free certification-making SM15T150AHM3/H the sole option meeting full AEC-Q101 + RoHS + halogen-free + 1500 W requirements.
Availability
SM15T150AHM3/H is available at Aetrix Electronics and suitable for automotive powertrain control, industrial motor drive I/O protection, and telecom base station DC power input requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for SM15T150AHM3/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 designs and manufactures discrete semiconductors including diodes, rectifiers, and TVS devices, with emphasis on reliability, power handling, and automotive qualification.
The SM15T Series is engineered specifically for high-energy transient suppression in harsh environments, targeting automotive, industrial, and telecom applications where AEC-Q101 compliance and 1500 W surge capability are mandatory.
FAQ
What is the clamping voltage of SM15T150AHM3/H at its rated peak pulse current?
The SM15T150AHM3/H has a maximum clamping voltage (VC) of 207 V when subjected to its rated peak pulse current (IPPM) of 7.2 A under the standard 10/1000 μs waveform. This value is measured per Figure 1 in the official Vishay datasheet (Doc. #88380) and defines the upper voltage limit imposed on protected circuitry during surge events. The SM15T150AHM3/H maintains this clamping performance across its qualified temperature range.
Is SM15T150AHM3/H qualified for automotive applications?
Yes, SM15T150AHM3/H is AEC-Q101 qualified, as confirmed by the "HM3" suffix in its ordering code and explicitly stated in the Vishay SM15T Series datasheet (Revision 09-Jan-2024). It meets the stress test requirements for automotive discrete semiconductors, including temperature cycling, humidity bias, and mechanical shock. The SM15T150AHM3/H is intended for under-hood and chassis applications where reliability under thermal and vibration stress is critical.
What does the "HM3" suffix indicate in SM15T150AHM3/H?
The "HM3" suffix in SM15T150AHM3/H denotes halogen-free, RoHS-compliant construction with AEC-Q101 qualification. Per Vishay's ordering information table, HM3 parts meet JESD 201 Class 2 whisker resistance, UL 94 V-0 flammability, and automotive reliability standards. This distinguishes SM15T150AHM3/H from commercial-grade variants like M3 (halogen-free, no AEC-Q101) or E3 (RoHS, no halogen-free or AEC-Q101).
What is the thermal resistance from junction to lead (RθJL) for SM15T150AHM3/H?
The SM15T150AHM3/H has a typical thermal resistance from junction to lead (RθJL) of 15 °C/W, as specified in the Thermal Characteristics section of the Vishay datasheet (Document Number 88380). This low value enables efficient heat conduction from the silicon die to the PCB copper pads through the SMC package leads, supporting sustained power dissipation and reliability in thermally demanding applications such as automotive ECUs.
How does SM15T150AHM3/H differ from SM15T150A-E3/57T?
The SM15T150AHM3/H differs from SM15T150A-E3/57T in three key aspects: (1) HM3 indicates halogen-free and AEC-Q101 qualification, whereas E3 is RoHS-compliant but not halogen-free or automotive-qualified; (2) HM3 uses a different tape-and-reel packaging code ("H" vs. "57T") reflecting distinct logistics and traceability; (3) HM3 undergoes additional automotive stress screening, making SM15T150AHM3/H suitable for safety-critical vehicle systems where SM15T150A-E3/57T is not approved.
SM15T150AHM3/H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AB, SMC
- Series:
- SM15T, TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 128V
- Voltage - Breakdown (Min):
- 143V
- Voltage - Clamping (Max) @ Ipp:
- 207V
- Current - Peak Pulse (10/1000µs):
- 7.2A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMC)
SM15T150AHM3/H FAQ
1.How can I place an order for SM15T150AHM3/H through Aetrix?
Please submit a Request for Quotation (RFQ) for SM15T150AHM3/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 SM15T150AHM3/H reliable?
The price and inventory of SM15T150AHM3/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SM15T150AHM3/H is usually 5 days.
3.What payment methods are accepted for SM15T150AHM3/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SM15T150AHM3/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SM15T150AHM3/H?
SM15T150AHM3/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SM15T150AHM3/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 SM15T150AHM3/H?
For technical support, including SM15T150AHM3/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SM15T150AHM3/H requirements.
6.How does Aetrix verify that SM15T150AHM3/H is sourced from the original manufacturer or authorized distributors?
All SM15T150AHM3/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 SM15T150AHM3/H meets industry standards.
7.What is the process for return or replacement of SM15T150AHM3/H?
All SM15T150AHM3/H units undergo pre-shipment inspection (PSI). If there is an issue with SM15T150AHM3/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 SM15T150AHM3/H part is unused and in its original packaging.
Return procedure for SM15T150AHM3/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SM15T150AHM3/H Tags
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