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Same model may have multiple batches, images only for reference.
RXEF300K Littelfuse Inc.
Same model may have multiple batches, images only for reference.

RXEF300K

Part No RXEF300K
Manufacturer Littelfuse Inc.
Catalog PTC Resettable Fuses
Description PTC RESET FUSE 72V 3A RADIAL / Polymeric PTC Resettable Fuse 72V 3 A Ih Through Hole Radial, Disc
Datasheet
RXEF300K Datasheet
Sample
Rohs State rohs
ECAD Module
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Products specifications Report Issue?

Category Circuit Protection - PTC Resettable Fuses
Mfr Littelfuse Inc.
Series PolySwitch®, RXEF
Package Bag
Product Status Active
Type Polymeric
Voltage - Max 72V
Current - Hold (Ih) (Max) 3 A
Current - Trip (It) 6 A
Current - Max 40 A
Time to Trip 19.8 s
Resistance - Initial (Ri) (Min) 40 mOhms
Resistance - Post Trip (R1) (Max) 100 mOhms
Temperature Range - Operating -40°C ~ 85°C
Ratings -
Mounting Type Through Hole
Package / Case Radial, Disc
Size / Dimension 0.910" Dia x 0.118" T (23.11mm x 3.00mm)
Height - Seated (Max) 1.154" (29.30mm)
Thickness (Max) -
Lead Spacing 0.400" (10.15mm)
Approval Agency CQC, CSA, TUV, UL
MSL Level 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8533.40.8070
Win Source Part Number 1361720-RXEF300K
Ultra Librarian 3D Model Ultra Librarian RXEF300K CAD Model

Description

The 1361720-RXEF300K is a polymeric PTC resettable fuse from Littelfuse Inc.

  • Manufacturer: Littelfuse Inc.
  • Product Name: 1361720-RXEF300K
  • Series: PolySwitch® RXEF
  • Package: Bag
  • Operating Temperature: -40°C to 85°C
  • Maximum Current: 40A
  • Maximum Voltage: 72V
  • Hold Current (Ih): 3A
  • Trip Current (It): 6A
  • Time to Trip: 19.8 seconds
  • Initial Resistance (Ri): 40 mOhms
  • Post-Trip Resistance (R1): 100 mOhms
  • Approvals: CQC, CSA, TUV, UL
  • Mounting Type: Through-Hole
  • Lead Spacing: 0.400" (10.15mm)

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