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Product attributes Property Value
Manufacturer Sanken Electric USA Inc.
Product Series STR3A100
Packaging Bulk |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 650V
Topology Flyback
Voltage - Start Up 15.3 V
Voltage - Supply (Vcc/Vdd) 8.1V ~ 32V
Duty Cycle 74%
Frequency - Switching 67kHz
Power (Watts) 45 W
Fault Protection Current Limiting, Over Load, Over Temperature, Over Voltage
Control Features -
Operating Temperature -40°C ~ 115°C (TA)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-DIP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STR3A152 is a high-performance 650V offline switching power supply IC from Sanken Electric, designed for AC/DC flyback converter applications up to 45W. This integrated power switch combines a high-voltage MOSFET with a PWM controller in a compact 8-DIP package, offering an efficient and cost-effective solution for isolated power supply designs.

Key Features & Applications: With a 67kHz switching frequency and 74% maximum duty cycle, the STR3A152 delivers reliable performance across a wide supply voltage range (8.1V to 32V). Comprehensive protection features include current limiting, overload protection, over-temperature shutdown, and over-voltage protection, ensuring robust operation in consumer electronics, industrial equipment, and appliance power supplies. The device operates across an extended temperature range of -40°C to 115°C, making it suitable for demanding environments.

This component is ideal for design engineers seeking a proven, high-reliability solution for offline power conversion with full traceability and RoHS compliance. Available in bulk packaging for production-scale requirements.