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Same model may have multiple batches, images only for reference.
RHEF550 Real Image
Same model may have multiple batches, images only for reference.

RHEF550

Part No RHEF550
Manufacturer Littelfuse Inc.
Catalog PTC Resettable Fuses
Description PTC RESET FUSE 16V 5.5A RADIAL
Datasheet
RHEF550 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®, RHEF
Package Bag
Product Status Active
Type Polymeric
Voltage - Max 16V
Current - Hold (Ih) (Max) 5.5 A
Current - Trip (It) 10 A
Current - Max 100 A
Time to Trip 6 s
Resistance - Initial (Ri) (Min) 15 mOhms
Resistance - Post Trip (R1) (Max) 37 mOhms
Temperature Range - Operating -40°C ~ 125°C
Mounting Type Through Hole
Package / Case Radial, Disc
Size / Dimension 0.441" Dia x 0.118" T (11.20mm x 3.00mm)
Height - Seated (Max) 0.744" (18.90mm)
Lead Spacing 0.199" (5.05mm)
Approval Agency CSA, TUV, UL
Standard Package 500 pcs
MSL Level Not Applicable
ECCN EAR99
HTSUS 8533.40.8070
California Prop 65 Warning Information
Win Source Part Number 660274-RHEF550
Ultra Librarian 3D Model Ultra Librarian RHEF550 CAD Model

Description

The 660274-RHEF550 is a PTC resettable fuse from the PolySwitch® RHEF series by Littelfuse Inc.

  • Package: bag
  • Size: 0.441" Dia x 0.118" T (11.20mm x 3.00mm)
  • Maximum Seated Height: 0.744" (18.90mm)
  • Standard Package: 500 pieces
  • Maximum Voltage Rating: 16V
  • Maximum Current Rating: 100A
  • Current Hold (Ih): 5.5A
  • Current Trip (It): 10A
  • Time to Trip: 6 seconds
  • Mounting Type: through hole
  • Package/Case: radial, disc
  • Operating Temperature Range: -40°C to 125°C
  • Initial Resistance: 15 mOhms
  • Post-Trip Resistance: 37 mOhms
  • Certifications: CSA, TUV, and UL

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