Overview
The SM15T39CAHM3/H is a surface mount transient voltage suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is designed to provide protection against voltage transients in various electronic systems. It features a low profile SMC (DO-214AB) package, making it ideal for automated placement and use in space-constrained applications.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Power Dissipation (10/1000 μs waveform) | PPPM | 1500 | W |
| Peak Pulse Current (10/1000 μs waveform) | IPPM | See datasheet for specific values | A |
| Maximum DC Blocking Voltage | VWM | 39 V | V |
| Breakdown Voltage (Unidirectional) | VBR | 43.6 V to 52.4 V | V |
| Maximum Average Forward Rectified Current | IF(AV) | N/A (TVS diode) | A |
| Peak Forward Surge Current (10 ms single half sine-wave) | IFSM | 200 A | A |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 °C | °C |
| Package | SMC (DO-214AB) | ||
| Polarity | Unidirectional |
Key Features
- Low profile SMC (DO-214AB) package, ideal for automated placement and space-constrained applications.
- Glass passivated chip junction for reliable performance.
- High peak pulse power capability of 1500 W with a 10/1000 μs waveform.
- Excellent clamping capability to protect against voltage transients.
- Low inductance design.
- Meets MSL level 1, per J-STD-020, with a maximum peak reflow temperature of 260 °C.
- AEC-Q101 qualified for automotive applications (HM3 suffix).
- RoHS-compliant and halogen-free.
Applications
The SM15T39CAHM3/H is used in sensitive electronics to protect against voltage transients induced by inductive load switching and lightning. Common applications include:
- Consumer electronics
- Computer systems
- Industrial equipment
- Automotive systems
- Telecommunication devices
- Protection of ICs, MOSFETs, and signal lines in sensor units.
Q & A
- What is the peak power dissipation of the SM15T39CAHM3/H?
The peak power dissipation is 1500 W with a 10/1000 μs waveform.
- What is the maximum DC blocking voltage of this diode?
The maximum DC blocking voltage (VWM) is 39 V.
- Is the SM15T39CAHM3/H AEC-Q101 qualified?
- What is the operating junction and storage temperature range?
The operating junction and storage temperature range is -65 to +150 °C.
- What package type does the SM15T39CAHM3/H use?
The package type is SMC (DO-214AB).
- Is the SM15T39CAHM3/H RoHS-compliant and halogen-free?
- What are the typical applications of the SM15T39CAHM3/H?
It is used in consumer electronics, computer systems, industrial equipment, automotive systems, and telecommunication devices to protect against voltage transients.
- What is the peak forward surge current rating of the SM15T39CAHM3/H?
The peak forward surge current rating is 200 A for a 10 ms single half sine-wave.
- Does the SM15T39CAHM3/H meet any specific standards for reflow temperature?
- What is the polarity of the SM15T39CAHM3/H?
The polarity is unidirectional.
