KA5L0380RYDTU

Power Switch 3A 4-Pin(4+Tab) TO-220F Rail

KA5L0380RYDTU – 800V Power Switch IC – onsemi

This KA5L0380RYDTU power switch IC from onsemi delivers robust 800V switching capability for efficient AC/DC power conversion. Designed for high-reliability applications, it integrates essential protections and supports flyback/forward topologies. PCX supplies this industrial-grade component with guaranteed authenticity and express shipping options.

Key Features

• 800V Breakdown Voltage – Handles high-voltage inputs safely
• Integrated 3A Power Switch – Reduces external component count
• 50kHz Switching Frequency – Optimized for compact designs
• Triple Fault Protection – Current limiting, over-temperature, and over-voltage safeguards
• Wide Operating Range – 9V to 30V supply voltage (V_CC)
• Industrial Temperature Rating – Operates from -40°C to +85°C

Technical Details

Part of onsemi’s FPS™ series, this TO-220F-4L packaged device features an internal startup regulator (15V startup voltage) and 77% maximum duty cycle. Its through-hole mounting provides robust thermal performance for offline power supplies. Note: This product is marked obsolete by the manufacturer but remains available through PCX’s secured inventory.

Typical Applications

• AC/DC adapters for industrial equipment
• Switch-mode power supplies (SMPS)
• LED lighting drivers
• Consumer electronics power modules
• Auxiliary power converters

About onsemi

onsemi (formerly ON Semiconductor) is a global leader in power management solutions with over 25 years of innovation in energy-efficient technologies. Their FPS™ series is renowned for reliability in demanding environments, combining advanced circuit protection with thermal stability.

The company holds ISO/TS 16949 automotive certification and maintains rigorous quality control standards. onsemi’s components are trusted worldwide for critical infrastructure, industrial automation, and consumer applications requiring long-term performance consistency.

About AC/DC Offline Switchers

Offline switchers like the KA5L0380RYDTU convert mains AC voltage to regulated DC output with minimal power loss. These integrated power switches simplify design by combining controller circuitry and high-voltage transistors in single packages, eliminating discrete components and reducing board space.

Essential for modern power systems, they enable compact, efficient power supplies with safety certifications. Their fault-protection features prevent catastrophic failures in overload conditions, making them ideal for mission-critical applications where reliability is paramount.

Packaging

Available in manufacturer-sealed tube packaging. PCX handles all parts in ESD-safe conditions to ensure optimal performance upon delivery.

FAQs

Q: Is this IC suitable for 230VAC input designs?
A: Yes, its 800V breakdown voltage safely accommodates universal mains input (85-265VAC) with design margin.

Q: Can PCX provide technical documentation?
A: Absolutely. Access the full datasheet here for design guidance.

Q: What alternatives exist for obsolete parts?
A: PCX maintains strategic stock of legacy components. Contact our support team for lifecycle management solutions.

Q: Does this require external switching transistors?
A: No – it features an integrated 800V/3A power MOSFET, reducing BOM complexity.

Q: What certifications apply to this device?
A: Manufactured in IATF 16949-certified facilities, though end-product certification depends on application design.

Q: How quickly can PCX ship this part?
A: Most orders ship same-day via global carriers. Contact us for expedited options.

Secure your supply chain – order today for guaranteed fast delivery! PCX provides expert technical support and inventory solutions for legacy components.

Note: Product images are representational. Refer to datasheet for exact specifications.