Overview
The SM15T39CAHM3_A/I is a transient voltage suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, which is designed to protect sensitive electronics from voltage transients induced by inductive load switching and lightning. The SM15T39CAHM3_A/I is particularly suited for applications requiring high reliability and robust protection against transient voltages.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power Dissipation (10/1000 μs waveform) | 1500 | W |
| Peak Pulse Current (10/1000 μs waveform) | 28 | A |
| Working Voltage (VWM) | 33.3 | V |
| Breakdown Voltage (VBR) Unidirectional | 39.4 - 43.7 | V |
| Clamping Voltage (VC) at IPPM (10/1000 μs) | 53.9 | V |
| Power Dissipation on Infinite Heatsink at TA = 50 °C | 6.5 | W |
| Peak Forward Surge Current (10 ms single half sine-wave) | 200 | A |
| Operating Junction and Storage Temperature Range | -65 to +150 | °C |
| Package Type | SMC (DO-214AB) | |
| Termination Style | SMD/SMT | |
| Polarity | Unidirectional |
Key Features
- Low Profile Package: Ideal for automated placement and space-saving designs.
- High Peak Pulse Power Capability: 1500 W with a 10/1000 μs waveform, providing robust protection against transient voltages.
- Excellent Clamping Capability: Effective in clamping voltage transients to safe levels.
- Low Inductance: Minimizes the impact of inductive effects in high-frequency applications.
- AEC-Q101 Qualified: Available in automotive-grade versions, ensuring reliability in harsh automotive environments.
- RoHS and Halogen-Free Compliance: Meets environmental standards for commercial and automotive applications.
- High Temperature Rating: Operating junction and storage temperature range from -65 °C to +150 °C.
Applications
- Automotive Systems: Protection against load dump, inductive load switching, and other transient voltages in automotive electronics.
- Industrial Equipment: Protection of sensitive electronics from transients induced by large coils or industrial motors.
- Consumer Electronics: Protection of ICs, MOSFETs, and signal lines in consumer devices.
- Telecommunications: Protection of sensitive electronics in telecommunication equipment.
- Computing Systems: Protection of computing hardware from voltage transients.
Q & A
- What is the peak pulse power dissipation of the SM15T39CAHM3_A/I?
The peak pulse power dissipation is 1500 W with a 10/1000 μs waveform.
- What is the clamping voltage of the SM15T39CAHM3_A/I at IPPM (10/1000 μs)?
The clamping voltage is 53.9 V.
- What is the operating junction and storage temperature range of the SM15T39CAHM3_A/I?
The operating junction and storage temperature range is from -65 °C to +150 °C.
- Is the SM15T39CAHM3_A/I AEC-Q101 qualified?
- What package type does the SM15T39CAHM3_A/I use?
The package type is SMC (DO-214AB).
- What is the termination style of the SM15T39CAHM3_A/I?
The termination style is SMD/SMT.
- What is the polarity of the SM15T39CAHM3_A/I?
The polarity is unidirectional.
- What are some common applications of the SM15T39CAHM3_A/I?
Common applications include automotive systems, industrial equipment, consumer electronics, telecommunications, and computing systems.
- Does the SM15T39CAHM3_A/I meet environmental standards?
- What is the typical thermal resistance of the SM15T39CAHM3_A/I?
The typical thermal resistance, junction to ambient air, is 75 °C/W.
