Overview
The ACST1635-8FP is a high-performance AC power switch developed by STMicroelectronics, utilizing A.S.D.® technology. This device is designed for use in home appliances and industrial systems, capable of driving loads up to 16 A. It features a Triac structure with an integrated high voltage crowbar device to absorb inductive turn-off energy and withstand line surges, complying with IEC 61000-4-5 surge immunity standards.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| On-state rms current (full sine wave) | 16 | A |
| Non repetitive surge peak on-state current | 140 (50 Hz), 147 (60 Hz) | A |
| Repetitive peak off-stage voltage | 800 | V |
| Critical rate of rise on-state current | 100 | A/μs |
| Operating junction temperature range | -40 to +150 | °C |
| Insulation rms voltage | 2000 | V |
| Triggering gate current max | 35 | mA |
| Package | TO-220FPAB |
Key Features
- Enables equipment to meet IEC 61000-4-5 surge with overvoltage crowbar technology
- High noise immunity against static dV/dt and IEC 61000-4-4 burst
- High junction temperature: Tj = 150 °C
- No external over-voltage protection needed
- VCL provides headroom before clamping then crowbar action
- Reduces component count
- ECOPACK®2 compliant component
- Complies with UL standards (File ref: E81734)
- Provides UL certified insulation rated at 2000 V rms
Applications
The ACST1635-8FP is suitable for various applications, including:
- AC static switching in appliances and industrial control systems
- Drive of medium power AC loads such as coffee making appliances, universal drum motors of washing machines, compressors of fridges or air conditioners, heating and cooking appliances, and vacuum cleaners
- Solid state relays
Q & A
- What is the maximum load current the ACST1635-8FP can handle? The ACST1635-8FP can drive loads up to 16 A.
- What is the operating junction temperature range of the ACST1635-8FP? The operating junction temperature range is -40 to +150 °C.
- Does the ACST1635-8FP require external over-voltage protection? No, it does not require external over-voltage protection due to its integrated overvoltage crowbar technology.
- What are the key standards the ACST1635-8FP complies with? It complies with IEC 61000-4-5 surge immunity and UL standards (File ref: E81734).
- What is the insulation rms voltage rating of the ACST1635-8FP? The insulation rms voltage rating is 2000 V.
- What is the maximum triggering gate current for the ACST1635-8FP? The maximum triggering gate current is 35 mA.
- What package type is the ACST1635-8FP available in? The ACST1635-8FP is available in the TO-220FPAB package.
- Is the ACST1635-8FP ECOPACK®2 compliant? Yes, it is ECOPACK®2 compliant.
- What types of loads can the ACST1635-8FP control? It can control medium power AC loads, including AC motors, resistive loads, and inductive loads.
- How does the ACST1635-8FP handle line surges? It handles line surges through its integrated high voltage crowbar device, which absorbs inductive turn-off energy and withstands line surges as specified in IEC 61000-4-5.
