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Same model may have multiple batches, images only for reference.
RTEF120-2 Real Image
Same model may have multiple batches, images only for reference.

RTEF120-2

Part No RTEF120-2
Manufacturer Littelfuse Inc.
Catalog PTC Resettable Fuses
Description POLYSWITCH RTE SERIES 1.20A HOLD / PTC Resettable Fuse 1.2A(hold) 2.3A(trip) 33V 40A 0.78W 3.5s 0.074Ohm Radial 7.4 X 3 X 12.2mm T/R
Sample
Rohs State rohs
ECAD Module
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Products specifications Report Issue?

Categories Circuit Protection
Manufacturer Littelfuse Inc.
Series PolySwitch
Packaging Reel package
Part Status Obsolete(EOL)
Type Polymeric
Voltage - Max 33V
Current - Max 40A
Current - Hold (Ih) (Maximum) 1.2A
Current - Trip (It) 2.3A
Time to Trip 3.5s
Resistance - Initial (Ri) (Minimum) 74 mOhm
Resistance - Post Trip (R1) (Maximum) 180 mOhm
Mounting Style Through Hole
Package Radial, Disc
Dimension 0.291" L x 0.118" W (7.40mm x 3.00mm)
Height - Seated (Maximum) 0.480" (12.20mm)
Lead Spacing 0.199" (5.05mm)
Approvals CSA, TUV, UR
Win Source Part Number 793451-RTEF120-2
Popularity Medium
Supply and Demand Status Limited
Family Name RTEF
Introduction Date January 01, 2000
ECCN EAR99
Halogen Free Not Compliant
Estimated EOL Date Obsolete / End of life
Ultra Librarian 3D Model Ultra Librarian RTEF120-2 CAD Model

Description

The Littelfuse Inc. RTEF120-2 is a PolySwitch circuit protection device that is designed to protect against overcurrent and overtemperature faults.

  • Maximum Voltage: 33V
  • Maximum Current: 40A
  • Current Trip: 2.3A
  • Time to Trip: 3.5s
  • Package: Radial, disc
  • Lead Spacing: 0.199" (5.05mm)
  • Approvals: CSA, TUV, UR
  • EOL: Yes
  • Resistance Initial (Ri): 74 mOhm
  • Resistance Post Trip (R1): 180 mOhm
  • Height: 0.480" (12.20mm) max.
  • Halogen Free: No

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