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Vishay General Semiconductor - Diodes Division T15B16AHM3/I
- Part No.:
- T15B16AHM3/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
T15B16AHM3/I.pdf
- Description:
- 1500 W UNI-DIRECTIONAL TVS IN SM
- Quantity:
- Payment:
- Shipping:
Inventory:3,099
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Product details
Overview
T15B16AHM3/I from Vishay General Semiconductor is a unidirectional surface-mount PAR® transient voltage suppressor (TVS) designed for automotive-grade overvoltage protection of sensitive electronics. It features a 16 V nominal breakdown voltage (VBR), 13.6 V stand-off voltage (VWM), 1500 W peak pulse power (10/1000 µs), and AEC-Q101 qualification for use on MOSFETs, ICs, and sensor signal lines exposed to inductive switching transients.
For engineers reviewing the T15B16AHM3/I datasheet, T15B16AHM3/I pinout, T15B16AHM3/I application, or T15B16AHM3/I equivalent, key selection criteria include clamping voltage at rated surge current (22.5 V @ 68.9 A), junction temperature capability up to +185 °C, MSL Level 1 moisture sensitivity, and SMB (DO-214AA) package compatibility with automated SMT assembly.
Technical Context
The T15B16AHM3/I employs passivated anisotropic rectifier technology optimized for high-temperature stability and fast response to ESD and lightning-induced transients. Its unidirectional architecture provides low-leakage reverse blocking (≤1.0 µA at 13.6 V, 25 °C) while maintaining tight VBR tolerance (15.2–16.8 V) and a positive temperature coefficient (0.078 %/°C).
It delivers 22.5 V maximum clamping voltage at 68.9 A peak pulse current (10/1000 µs), enabling robust protection of 12 V automotive subsystems without compromising signal integrity. The device meets IEC 61000-4-2 ±30 kV contact/air discharge and operates across –65 °C to +185 °C junction temperature range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/typ/max) | 15.2 / 16.0 / 16.8 V - Ensures reliable turn-on above system operating voltage while accommodating process variation |
| VWM | 13.6 V - Maximum continuous reverse working voltage compatible with 12 V automotive rails |
| VC @ IPPM | 22.5 V - Clamping voltage during 68.9 A surge; defines protected circuit's worst-case overvoltage stress |
| PPPM | 1500 W - Peak pulse power handling per 10/1000 µs waveform, supporting high-energy transient suppression |
| TJ max | +185 °C - Enables operation in under-hood environments and high-power density PCB layouts |
| ESD Rating | ±30 kV (IEC 61000-4-2) - Provides immunity to human-body-model electrostatic discharge events |
| MSL Level | Level 1 (J-STD-020) - Allows unlimited floor life and reflow at 260 °C peak without baking |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, halogen-free, RoHS-compliant, matte tin-plated terminals. Cathode indicated by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Transient current sink | Connected to protected line; conducts surge current to ground when VBR exceeded |
| Anode | Reference/return path | Typically tied to system ground or low-impedance return plane for effective clamping |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated reliability for automotive electronics including engine control, body modules, and ADAS sensors |
| Junction passivation | Enhanced long-term stability under thermal cycling and high-humidity conditions |
| 10/1000 µs waveform rating | Matches industry-standard lightning-surge test profiles used in ISO 7637-2 and ISO 16750-2 |
| 0.078 %/°C VBR tempco | Predictable, monotonic increase in breakdown voltage with temperature-supports safe margining in hot environments |
| MSL Level 1 | Eliminates pre-reflow baking requirements, reducing manufacturing cost and cycle time |
Applications
| Automotive Powertrain Sensors | Industrial Motor Drive Inputs |
|---|---|
Use Scenario: Protecting crankshaft/camshaft position sensor signal lines from load-dump and inductive kickback in 12 V engine bays. IC Role / Device Role / Timing Role: Unidirectional TVS placed between sensor output and ECU input to clamp transients before they reach downstream analog front-end. Use Value: Maintains signal fidelity under ±30 kV ESD and 10/1000 µs surges up to 68.9 A while operating continuously at +150 °C ambient. | Use Scenario: Safeguarding PLC analog input channels connected to 4–20 mA current loops driving solenoids and relays. IC Role / Device Role / Timing Role: Standoff protection element shunting induced transients from field wiring into common-mode ground. Use Value: Limits clamped voltage to 22.5 V during 1500 W surges, preventing damage to precision op-amps and ADCs in industrial I/O modules. |
| Automotive Body Control Modules | Automotive Infotainment Power Rails |
Use Scenario: Shielding LIN bus transceivers and microcontroller GPIOs from battery reverse-polarity and jump-start transients. IC Role / Device Role / Timing Role: Primary overvoltage clamp on 12 V supply rail feeding BCM power management ICs. Use Value: Withstands repeated 1500 W pulses and operates reliably at TJ = +185 °C, ensuring functional safety compliance. | Use Scenario: Protecting USB-C PD and display power supplies in head units against load dump and alternator ripple. IC Role / Device Role / Timing Role: Secondary-level TVS on 5 V/3.3 V DC-DC outputs to suppress coupled noise from adjacent high-current circuits. Use Value: Low leakage (<1 µA at 13.6 V) prevents standby current drain; tight VBR tolerance ensures consistent protection threshold across production lots. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ16A | Same SMB package, 16 V VWM, but lower PPPM (600 W); no AEC-Q101 qualification | Rated for commercial/industrial use only; not validated for automotive temperature cycling or humidity testing | Select when cost sensitivity outweighs automotive qualification requirements and surge energy is ≤600 W |
| 1.5SMC16A | Higher PPPM (1500 W), same VBR range, but SMC (DO-214AB) package - 2.5 mm wider body | Requires PCB layout change due to larger footprint; higher thermal mass may delay response slightly | Choose when higher surge margin is needed and board space allows SMC footprint |
Compared with SMBJ16A and 1.5SMC16A, the T15B16AHM3/I uniquely combines AEC-Q101 qualification, +185 °C junction rating, and MSL Level 1 in the compact SMB outline-making it the preferred choice for space-constrained, high-reliability automotive signal-line protection where qualification and thermal resilience are mandatory.
Availability
T15B16AHM3/I is available at Aetrix Electronics and suitable for automotive powertrain sensors, industrial motor drive inputs, and body control modules requiring stable component supply, long-lifecycle support, and traceable sourcing for production programs.
Supply support for T15B16AHM3/I 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, efficiency, and application-specific performance.
The T15B16AHM3/I belongs to Vishay's PAR® family of high-power TVS diodes engineered specifically for automotive-grade transient suppression in harsh environments-designed to meet stringent AEC-Q101, IEC 61000-4-2, and ISO 16750-2 requirements.
FAQ
What is the maximum clamping voltage of the T15B16AHM3/I at its rated peak pulse current?
The T15B16AHM3/I has a maximum clamping voltage (VC) of 22.5 V when subjected to its rated peak pulse current (IPPM) of 68.9 A using the standard 10/1000 µs waveform. This value is measured under defined test conditions per ANSI/IEEE C62.35 and ensures predictable overvoltage limiting for protected downstream components. The T15B16AHM3/I maintains this clamping performance across its full operating temperature range.
Is the T15B16AHM3/I qualified for automotive applications?
Yes, the T15B16AHM3/I is AEC-Q101 qualified and specifically designed for automotive use. It supports junction temperatures up to +185 °C, meets MSL Level 1 per J-STD-020, and passes IEC 61000-4-2 ±30 kV ESD testing. These qualifications make the T15B16AHM3/I suitable for under-hood and cabin applications including powertrain sensors, body control modules, and infotainment systems.
What does the "HM3" suffix indicate in T15B16AHM3/I?
"HM3" denotes Vishay's halogen-free, RoHS-compliant construction with matte tin-plated leads that satisfy J-STD-002 solderability and JESD 22-B102 whisker resistance (Class 2). The "I" suffix specifies packaging in 13-inch tape-and-reel format with 3200 units per reel. The T15B16AHM3/I thus combines environmental compliance, high-reliability plating, and high-volume SMT readiness.
How does the temperature coefficient affect the T15B16AHM3/I's breakdown voltage?
The T15B16AHM3/I has a typical VBR temperature coefficient (αT) of +0.078 %/°C. This means its breakdown voltage increases linearly with junction temperature-e.g., at +150 °C, VBR rises ~9.75% above its 25 °C value. This positive drift improves design margin in hot environments and is factored into the T15B16AHM3/I's guaranteed VBR min/max limits across its full operating range.
Can the T15B16AHM3/I be used in bidirectional configurations?
No, the T15B16AHM3/I is strictly unidirectional. Its internal structure and electrical characteristics-including polarity marking (cathode band), specified reverse leakage, and clamping behavior-are defined only for single-polarity transient suppression. For bidirectional protection, a dedicated bidirectional TVS such as the T15B16AYM3/I (if available) or a pair of unidirectional devices in series-opposition would be required-not the T15B16AHM3/I alone.
T15B16AHM3/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- PAR®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 13.6V
- Voltage - Breakdown (Min):
- 15.2V
- Voltage - Clamping (Max) @ Ipp:
- 22.5V
- Current - Peak Pulse (10/1000µs):
- 68.9A
- 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-214AA (SMB)
T15B16AHM3/I FAQ
1.How can I place an order for T15B16AHM3/I through Aetrix?
Please submit a Request for Quotation (RFQ) for T15B16AHM3/I 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 T15B16AHM3/I reliable?
The price and inventory of T15B16AHM3/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for T15B16AHM3/I is usually 5 days.
3.What payment methods are accepted for T15B16AHM3/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for T15B16AHM3/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for T15B16AHM3/I?
T15B16AHM3/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your T15B16AHM3/I 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 T15B16AHM3/I?
For technical support, including T15B16AHM3/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your T15B16AHM3/I requirements.
6.How does Aetrix verify that T15B16AHM3/I is sourced from the original manufacturer or authorized distributors?
All T15B16AHM3/I 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 T15B16AHM3/I meets industry standards.
7.What is the process for return or replacement of T15B16AHM3/I?
All T15B16AHM3/I units undergo pre-shipment inspection (PSI). If there is an issue with T15B16AHM3/I, 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 T15B16AHM3/I part is unused and in its original packaging.
Return procedure for T15B16AHM3/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
T15B16AHM3/I Tags
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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