Overview
The SM15T27AHM3_A/H is a surface mount transient voltage suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, designed to provide protection against voltage transients in sensitive electronic circuits. It is particularly useful in applications where protection against inductive load switching and lightning-induced surges is necessary.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Reverse Stand-Off Voltage (VWM) | VWM | 27 V | V |
| Breakdown Voltage (VBR) | VBR | 30.6 V to 33.9 V | V |
| Peak Pulse Power (PPPM) | PPPM | 1500 W | W |
| Peak Pulse Current (IPPM) | IPPM | 40 A | A |
| Maximum Clamping Voltage (VC) | VC | 37.5 V (10/1000 μs), 45.7 V (8/20 μs) | V |
| Power Dissipation | PD | 6.5 W | W |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 °C | °C |
| Package | SMC (DO-214AB) | ||
| Polarity | Bidirectional |
Key Features
- Low Profile Package: Ideal for automated placement and space-saving designs.
- Glass Passivated Chip Junction: Ensures high reliability and stability.
- Available in Unidirectional and Bidirectional Configurations: Flexible options for different application needs.
- High Peak Pulse Power Capability: 1500 W with a 10/1000 μs waveform.
- Excellent Clamping Capability: Effective in protecting against voltage transients.
- Low Inductance: Minimizes the impact of inductive switching.
- RoHS-Compliant and Halogen-Free Options: Available in commercial and AEC-Q101 qualified versions.
- Meets MSL Level 1, per J-STD-020: Ensures reliability in various environmental conditions.
Applications
The SM15T27AHM3_A/H is used in a variety of applications to protect sensitive electronics against voltage transients. These include:
- Consumer Electronics: Protection of ICs, MOSFETs, and signal lines.
- Computer Systems: Safeguarding against power surges and switching transients.
- Industrial Systems: Protection from transients induced by large coils or industrial motors.
- Automotive Systems: AEC-Q101 qualified versions available for automotive applications.
- Telecommunication Systems: Ensuring reliability in communication equipment.
Q & A
- What is the primary function of the SM15T27AHM3_A/H TVS diode?
The primary function is to protect sensitive electronics against voltage transients and surges. - What is the peak pulse power capability of the SM15T27AHM3_A/H?
The peak pulse power capability is 1500 W with a 10/1000 μs waveform. - What are the operating junction and storage temperature ranges for this diode?
The operating junction and storage temperature ranges are -65 to +150 °C. - Is the SM15T27AHM3_A/H RoHS-compliant?
Yes, it is RoHS-compliant and also available in halogen-free versions. - What package type does the SM15T27AHM3_A/H use?
The package type is SMC (DO-214AB). - What is the maximum clamping voltage for this diode?
The maximum clamping voltage is 37.5 V (10/1000 μs) and 45.7 V (8/20 μs). - Is the SM15T27AHM3_A/H suitable for automotive applications?
Yes, AEC-Q101 qualified versions are available for automotive applications. - What is the power dissipation capability of this diode?
The power dissipation capability is 6.5 W. - What are the typical applications for the SM15T27AHM3_A/H?
Typical applications include consumer electronics, computer systems, industrial systems, automotive systems, and telecommunication systems. - Does the SM15T27AHM3_A/H meet any specific industry standards?
Yes, it meets MSL Level 1, per J-STD-020, and is AEC-Q101 qualified.
