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KA5H0165RYDTU is listed in the AC DC Converters, Offline Switchers range at ChipApex. The manufacturer field lists Fairchild Semiconductor. Its product description is IC OFFLINE SW FLBACK TO220F-4L. Review the specifications below when checking this part for your BOM.
AC DC Converters, Offline Switchers specifications for KA5H0165RYDTU
- Description：IC OFFLINE SW FLBACK TO220F-4L
- Series：FPS™
- Mfr：Fairchild Semiconductor
- Package：Bulk
- Output Isolation：-
- Internal Switch(s)：Yes
- Voltage - Breakdown：650V
- Topology：Flyback
- Voltage - Start Up：15 V
- Voltage - Supply (Vcc/Vdd)：8.8V ~ 30V
- Duty Cycle：67%
- Frequency - Switching：100kHz
- Fault Protection：Current Limiting, Over Load, Over Temperature, Over Voltage
- Control Features：-
- Operating Temperature：-25°C ~ 85°C (TA)
- Package / Case：TO-220-4 Full Pack (Formed Leads)
- Supplier Device Package：TO-220F-4L (Forming)
- Mounting Type：Through Hole
- Grade：-
- Qualification：-
- Power (Watts)：-
AC DC Converters, Offline Switchers datasheet and documents for KA5H0165RYDTU
AC DC Converters, Offline Switchers Overview
The KA5H0165RYDTU is a Fairchild Power Switch (FPS) integrating a high-voltage SenseFET and PWM control IC for offline power conversion. It operates with a switching frequency of 100 kHz and supports a maximum input voltage of 265 V DC. The device features a 650 V breakdown voltage and includes built-in protection mechanisms such as pulse-by-pulse current limiting, thermal shutdown, and auto-restart functionality upon fault conditions.
AC DC Converters, Offline Switchers Feature Summary
- Integrates high-voltage SenseFET and PWM controller to reduce component count
- Includes comprehensive protection against overcurrent, overtemperature, and overload
- Supports auto-restart mode for rapid recovery from fault states
AC DC Converters, Offline Switchers Applications
- Offline AC-DC converters
- Power management in consumer electronics
- General-purpose switched-mode power supplies
AC DC Converters, Offline Switchers Procurement Notes
Verify the exact suffix 'YDTU' against official datasheets to confirm package type and tape-and-reel configuration. Confirm RoHS compliance status and check for obsolescence notices from onsemi or Fairchild Semiconductor before procurement planning.
AC DC Converters, Offline Switchers Selection Notes
Select this component for applications requiring integrated power switching with minimal external components. Ensure the design accommodates the 100 kHz switching frequency and that the thermal management strategy aligns with the TO-220F package dissipation capabilities under expected load conditions.
AC DC Converters, Offline Switchers Part Context
This part belongs to the Fairchild Power Switch (FPS) family, which combines a high-voltage MOSFET with a PWM controller. The KA5H series specifically targets cost-effective, high-reliability power supply designs for general electronic equipment, offering a compact solution compared to discrete implementations.
AC DC Converters, Offline Switchers Replacement Considerations
Consult official substitution guides for equivalents such as the KA5L0165R or KA5M0165R. Verify pin compatibility and electrical parameter alignment before replacing the component in existing designs.
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