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Same model may have multiple batches, images only for reference.
BBRF550S
Same model may have multiple batches, images only for reference.

BBRF550S

Part No BBRF550S
Manufacturer Littelfuse Inc.
Catalog PTC Resettable Fuses
Description POLYSWITCH PTC .55A HOLD STRT / PTC Resettable Fuse 0.55A(hold) 1.1A(trip) 99VDC 20A 1.5W 60s 0.8Ohm Radial 10.9 X 3.6mm Bulk
Datasheet
BBRF550S Datasheet
Sample
Rohs State rohs
ECAD Module
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Products specifications Report Issue?

Categories Circuit Protection
Manufacturer Littelfuse Inc.
Series PolySwitch
Packaging Bulk
Part Status Obsolete(EOL)
Type Polymeric
Voltage - Max 99V
Current - Max 20A
Current - Hold (Ih) (Maximum) 550mA
Current - Trip (It) 1.1A
Time to Trip 60s
Resistance - Initial (Ri) (Minimum) 800 mOhm
Resistance - Post Trip (R1) (Maximum) 1.95 Ohm
Mounting Style Through Hole
Package Radial, Disc
Dimension 0.430" Dia x 0.140" W (10.90mm x 3.60mm)
Height - Seated (Maximum) 0.570" (14.40mm)
Lead Spacing 0.200" (5.08mm)
Approvals CSA, UL
Win Source Part Number 769703-BBRF550S
Popularity Medium
Supply and Demand Status Limited
Family Name BBRF
Introduction Date January 01, 2000
ECCN EAR99
Halogen Free Not Compliant
Estimated EOL Date Obsolete / End of life
Ultra Librarian 3D Model Ultra Librarian BBRF550S CAD Model

Description

The Littelfuse Inc. BBRF550S is a PolySwitch device that is used in various circuit protection applications.

  • Maximum Voltage: 99V
  • Maximum Current: 20A
  • Current Trip: 1.1A
  • Current Hold (Ih) (Maximum): 550mA
  • Time to Trip: 60s
  • Resistance - Initial (Ri) (Minimum): 800 mOhm
  • Dimensions: 0.430" Dia x 0.140" W (10.90mm x 3.60mm)
  • Mounting Type: Through-hole
  • Family: BBRF
  • Applications: Automotive, industrial, consumer electronics

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