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FLSR12 - Semiconductor Fuse 700V AC 12A (10.3 x 38mm)

Littelfuse
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FLSR12 is a current-limiting fuse designed for the protection of semiconductor devices in power conversion equipment. It features a 700V AC voltage rating and a 12A current rating, housed within a compact 10.3 x 38 mm (diameter x length) ceramic body with silver-plated copper end caps. This fuse is UL recognized and complies with IEC 60269-4 standards, ensuring reliable interruption of fault currents. It is typically applied in industrial settings for safeguarding components like SCRs, diodes, and IGBTs within motor drives, UPS systems, and power supplies.

Key Features & Specifications
  • Type: Ceramic body, current-limiting, semiconductor protection fuse with silver-plated copper end caps
  • Voltage Rating: 700V AC
  • Current Rating: 12A
  • Dimensions: 10.3 x 38 mm (Diameter x Length)
  • Standards: UL Recognized, IEC 60269-4
  • Applications: Protection of SCRs, diodes, IGBTs in motor drives, UPS, power supplies
  • Switch Type: Not Applicable
  • Configuration: Not Applicable
  • Coil Voltage Maximum: Not Applicable
  • Temp Rating: Not Specified
  • Shipping Dimensions: Not Specified
  • Phase: Not Applicable
  • Voltage: 700V AC
  • Amperage: 12A
  • AIC rating: Not Specified
  • Connection: End Cap
  • Poles: Not Applicable
  • Protection: Semiconductor
  • Functions: Overcurrent Protection
  • Frame Size: 10.3 x 38 mm
  • Trip Type: Not Applicable
  • Panel Type: Not Applicable
  • Breaker Type: Not Applicable
  • Control Voltage Minimum: Not Applicable
  • Control Voltage Maximum: Not Applicable
  • MCM Size: Not Applicable
  • Metal Type: Not Applicable
  • Panel Style: Not Applicable
  • Bus Type: Not Applicable
  • Fuse Class: Semiconductor Protection (gR)
  • Insulation Temperature: Not Specified
  • Inductance: Not Specified
  • Impedance: Not Specified
  • Barrels: Not Applicable
  • Class Rating: Not Specified
  • Diameter: 10.3 mm
  • Velocity: Not Applicable
  • Clip Center: Not Applicable
  • Clas: Not Applicable
  • Mounting: Fuse Holder / Clip
  • Hz: 50/60 Hz
  • Coil Material: Not Applicable
  • Horse Power: Not Applicable
  • Aux Contacts: Not Applicable
  • CPT: Not Applicable
  • Full Load Amps: Not Applicable
  • Dist Voltage: Not Applicable
  • Bucket Size: Not Applicable
  • Bucket Style: Not Applicable
  • Bucket Type: Not Applicable
  • Full Load Amp Maximum: Not Applicable
  • Full Load Amp Minimum: Not Applicable
  • Enclosure: Ceramic Body
  • Relay Style: Not Applicable
  • Coil Voltage Minimum: Not Applicable
  • Wire: Not Applicable
  • Amperage Maximum: 12A
  • Amperage Minimum: Not Applicable
  • Nema Rating: Not Applicable
  • Switch Style: Not Applicable
  • Wire Size: Not Applicable
  • Certification: UL Recognized
  • Circuit Breaker Mounting Style: Not Applicable
  • Terminal Connection: End Cap
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Not Applicable
  • Standards: IEC 60269-4
  • Compatible Frames: Not Specified
  • Installation Type: Panel Mount
  • Item QTY: Not Specified
  • Nema Starter Size: Not Applicable
  • Breaker Frame: Not Applicable
  • Current Rating: 12A
  • Reverse Standoff Voltage: Not Applicable
  • Watts: Not Specified
  • Peak Pulse Current: Not Specified
  • Breakdown Voltage (MIN VBR@IT ) (V): Not Applicable
  • Breakdown Voltage (VBR@IT) (V): Not Applicable
  • Polarity: Not Applicable
  • Operating Temperature Maximum Celsius: Not Specified
  • Max Clamp Voltage: Not Applicable
  • On-State Current: Not Applicable