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Same model may have multiple batches, images only for reference.
RXEF185-2 Real Image
Same model may have multiple batches, images only for reference.

RXEF185-2

Part No RXEF185-2
Manufacturer Littelfuse Inc.
Catalog PTC Resettable Fuses
Description POLYSWITCH PTC RESET 1.85A
Datasheet
RXEF185-2 Datasheet
Sample
Rohs State rohs
ECAD Module
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Products specifications Report Issue?

Categories Circuit Protection
Manufacturer Littelfuse Inc.
Packaging Reel - TR
Status Active
Type Polymeric
Voltage - Max 72V
Current - Max 40A
Current - Hold (Ih) (Max) 1.85A
Current - Trip (It) 3.7A
Time to Trip 12.6s
Resistance - Initial (Ri) (Min) 80 mOhm
Resistance - Post Trip (R1) (Max) 190 mOhm
Temperature Range - Operating -40°C to 85°C
Mounting Through Hole
Dimension 0.689" Dia x 0.118" W (17.50mm x 3.00mm)
Height - Seated (Max) 0.882" (22.40mm)
Lead Spacing 0.199" (5.05mm)
Approvals CQC, CSA, TUV, UL
Win Source Part Number 129301-RXEF185-2
Popularity Medium
Supply and Demand Status Limited
Ultra Librarian 3D Model Ultra Librarian RXEF185-2 CAD Model

Description

The Littelfuse Inc. 129301-RXEF185-2 is a polymeric through-hole circuit protection device designed to protect electronic components from overcurrent and overvoltage conditions.

  • Maximum Voltage Rating: 72V
  • Maximum Current Rating: 40A
  • Current Hold: 1.85A
  • Trip Current: 3.7A
  • Time to Trip: 12.6s
  • Resistance - Initial: 80 mOhm
  • Resistance - Post-Trip: 190 mOhm
  • Height: 0.882" (22.40mm)
  • Lead Spacing: 0.199" (5.05mm)
  • Approvals: CQC, CSA, TUV, UL
  • Operating Temperature Range: -40°C to 85°C
  • Suitable for: Circuit protection applications

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