Overview
The SM15T68A is a transient voltage suppressor (TVS) diode produced by STMicroelectronics. This component is designed to protect sensitive electronics from voltage transients and spikes, particularly those induced by lightning or switching inductive loads. The SM15T68A features a high peak pulse power capability, making it suitable for a wide range of applications including consumer electronics, computers, industrial equipment, automotive systems, and telecommunications.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Working Voltage | VWM | 58.1 | V |
| Breakdown Voltage | VBR | 64.6 - 71.4 | V |
| Clamping Voltage (10/1000 μs) | VC | 92.0 | V |
| Peak Pulse Power Dissipation (10/1000 μs) | PPPM | 1500 | W |
| Peak Pulse Current (10/1000 μs) | IPPM | 16.3 | A |
| Power Dissipation on Infinite Heatsink | PD | 6.5 | W |
| Peak Forward Surge Current (10 ms) | IFSM | 200 | A |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| Package | DO-214AB (SMC) |
Key Features
- Low Profile Package: Ideal for space-constrained applications and automated placement.
- Glass Passivated Chip Junction: Ensures reliability and stability.
- 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 high-frequency transients.
- AEC-Q101 Qualified: Suitable for automotive applications.
- Meets MSL Level 1, per J-STD-020: Can withstand high temperatures during soldering processes.
Applications
- Sensitive Electronics Protection: Protects ICs, MOSFETs, and signal lines from voltage transients.
- Consumer Electronics: Used in various consumer devices to ensure reliability against transient voltages.
- Computer Systems: Protects computer hardware from power surges and spikes.
- Industrial Equipment: Safeguards industrial control systems and machinery from transient voltages.
- Automotive Systems: AEC-Q101 qualified, making it suitable for automotive applications.
- Telecommunications: Used to protect telecommunication equipment from voltage transients.
Q & A
- What is the primary function of the SM15T68A?
The SM15T68A is a transient voltage suppressor (TVS) diode designed to protect sensitive electronics from voltage transients and spikes.
- What is the working voltage of the SM15T68A?
The working voltage of the SM15T68A is 58.1 V.
- What is the breakdown voltage range of the SM15T68A?
The breakdown voltage range of the SM15T68A is 64.6 V to 71.4 V.
- What is the peak pulse power dissipation capability of the SM15T68A?
The SM15T68A can dissipate up to 1500 W of peak pulse power with a 10/1000 μs waveform.
- What is the clamping voltage of the SM15T68A?
The clamping voltage of the SM15T68A is 92.0 V for a 10/1000 μs waveform.
- What is the package type of the SM15T68A?
The SM15T68A comes in a DO-214AB (SMC) package.
- Is the SM15T68A suitable for automotive applications?
Yes, the SM15T68A is AEC-Q101 qualified, making it suitable for automotive applications.
- What is the maximum operating junction temperature of the SM15T68A?
The maximum operating junction temperature of the SM15T68A is 150 °C.
- What are some typical applications of the SM15T68A?
The SM15T68A is used in consumer electronics, computer systems, industrial equipment, automotive systems, and telecommunications to protect against voltage transients.
- Does the SM15T68A meet any specific soldering standards?
Yes, the SM15T68A meets MSL Level 1, per J-STD-020, and can withstand high temperatures during soldering processes.
