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Updated at 17/06/2025 10:30:15(UTC+8)

Certifications

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Description

Description
The FSFM260/261/300 is an integrated Pulse Width Modulator (PWM) and SenseFET specifically designed for high-performance offline Switch Mode Power Supplies (SMPS) with minimal external components.
Features
Internal Avalanche-Rugged SenseFET
Advanced Burst-Mode Operation Consumes Under 1W at 240VAC and 0.5W Load
Precision Fixed Operating Frequency: 67kHz
Internal Startup Circuit
Over-Voltage Protection (OVP)
Overload Protection (OLP)
Internal Thermal Shutdown Function (TSD)
Abnormal Over-CurrentProtection (AOCP)
Auto-Restart Mode
Under-Voltage Lockout (UVLO) with Hysteresis
Low Operating Current: 2.5mA
Built-in Soft-Start: 15ms
Applications
Power Supply for LCD TV and Monitor, VCR, SVR,STB, DVD, and DVD Recorder
Adapter

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FSFM300N Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Through Hole
Number of Pins	8 Pin
Case/Package	DIP-8
Power Rating	40 W
Number of Outputs	1 Output
Output Current	1.41 A
Breakdown Voltage	650 V
Supply Current	3 mA
Power Dissipation	1.5 W
Switching Frequency	67 kHz
Duty Cycle	77 %
Output Current (Min)	1.41 A
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-25 ℃
Power Dissipation (Max)	1500 mW
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Size-Height	3.43 mm
Operating Temperature	-25℃ ~ 85℃ (TA)
Product Lifecycle Status	Not Recommended for New Designs
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

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- Delivery date: usually 2 to 7 working days.
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- Carefully inspected and packed by ManyChip warehouse
- Vacuum packaging
- Anti-static packaging
- Shockproof foam
The terms here are for reference only, the actual terms are subject to the sales quotation.
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