Overview
The SM15T68CAHM3/I is a transient voltage suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, known for its high reliability and robust protection against voltage transients. The SM15T68CAHM3/I is specifically designed to protect sensitive electronics from voltage spikes and surges, making it an essential component in various industrial, automotive, and consumer applications.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Reverse Stand-Off Voltage (Typ) | VWM | 58.1 | V |
| Breakdown Voltage (Min) | VBR | 64.6 | V |
| Peak Pulse Power Dissipation (10/1000 μs) | PPPM | 1500 | W |
| Peak Pulse Current (10/1000 μs) | IPPM | 83 | A |
| Clamping Voltage (Max) @ IPPM | VC | 121 | V |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| Package Type | DO-214AB (SMC) | ||
| Polarity | Bidirectional |
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.
- Excellent Clamping Capability: Effective in protecting against voltage transients.
- Low Inductance: Minimizes the impact of inductive loads.
- AEC-Q101 Qualified: Suitable for automotive applications.
- Glass Passivated Chip Junction: Ensures high reliability and durability.
- Meets MSL Level 1: Compliant with J-STD-020, with a maximum peak of 260 °C.
Applications
The SM15T68CAHM3/I is used in various applications to protect sensitive electronics against voltage transients, including:
- Automotive systems
- Industrial control systems
- Consumer electronics
- Telecommunication equipment
- Protection of ICs, MOSFETs, and signal lines in sensor units
Q & A
- What is the primary function of the SM15T68CAHM3/I?
The primary function of the SM15T68CAHM3/I is to protect sensitive electronics from voltage transients and surges.
- What is the peak pulse power dissipation of the SM15T68CAHM3/I?
The peak pulse power dissipation is 1500 W with a 10/1000 μs waveform.
- What is the operating temperature range of the SM15T68CAHM3/I?
The operating junction and storage temperature range is -65 to +150 °C.
- Is the SM15T68CAHM3/I AEC-Q101 qualified?
Yes, the SM15T68CAHM3/I is AEC-Q101 qualified, making it suitable for automotive applications.
- What package type does the SM15T68CAHM3/I use?
The SM15T68CAHM3/I uses the DO-214AB (SMC) package type.
- What is the clamping voltage of the SM15T68CAHM3/I?
The clamping voltage is 121 V at the peak pulse current.
- Is the SM15T68CAHM3/I bidirectional or unidirectional?
The SM15T68CAHM3/I is bidirectional.
- What are the typical applications of the SM15T68CAHM3/I?
Typical applications include automotive systems, industrial control systems, consumer electronics, and telecommunication equipment.
- Does the SM15T68CAHM3/I meet MSL Level 1?
Yes, it meets MSL Level 1, per J-STD-020, with a maximum peak of 260 °C.
- What is the peak forward surge current of the SM15T68CAHM3/I?
The peak forward surge current is 200 A for 10 ms single half sine-wave for unidirectional devices.
