Ensure optimal circuit protection with the Littelfuse RHEF100 Resettable Fuse, a reliable Polymeric Positive Temperature Coefficient (PPTC) device. Designed to reset after fault conditions automatically, this fuse offers an innovative and cost-effective solution for overcurrent protection in electronic circuits. Its compact form factor, durable construction, and consistent performance make it ideal for demanding international applications. With RoHS compliance and wide thermal operating ranges, the RHEF100 ensures your projects meet both safety standards and environmental regulations worldwide.

Why Choose the Littelfuse Resettable Fuse, PCB Mount?

The RHEF100 stands out for its self-resetting capability, eliminating the need for manual fuse replacement and reducing maintenance time and costs. Its fast response to overcurrent situations protects sensitive components from thermal damage, while the robust build ensures long-lasting performance across global temperature ranges.

Notable Advantages to Users

  • Automatically resets after fault removal.
  • Protects against overcurrent and short circuits.
  • Saves maintenance time and cost.
  • Compact, space-saving design.
  • Compliant with international safety standards.

Broad Range Application

  • Battery packs and chargers
  • USB hubs and ports
  • Industrial controllers
  • Medical devices
  • Consumer electronics
  • Automotive infotainment systems

Littelfuse 1 A Resettable Fuse, 30 V dc

Manufacturer:
Manufacturer Part No:
RHEF100
Enrgtech Part No:
ET16938840
Warranty:
Manufacturer
local
5 - In Stock

Ships in 2-3 business days

pcs

Quantity
Unit Price (ex VAT)
1
£ 0.51 £ 0.36
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From: United Kingdom
Est Ship Date: 12 Sep, 2026
Est Fastest Delivery: 13 Sep, 2026
Width:
3 mm
Height:
13.6mm
Length:
9.7mm
Series:
RHEF
Voltage:
30 V dc
Hold Current:
1A
Product Type:
Resettable Fuse
Time to Trip:
5.2s
Trip Current:
1.8A
Current Rating:
40 A
Lead Orientation:
Radial
Power Dissipation:
1.4W
Maximum Resistance:
430mΩ
Minimum Resistance:
0.18Ω
Standards/Approvals:
TUV, RoHS, CSA, UL
Maximum Operating Temperature:
60°C
Minimum Operating Temperature:
-40°C
Width:
3mm
Height:
13.6mm
Length:
9.7mm
Hold Current:
1A
Time to Trip:
5.2s
Trip Current:
1.8A
Voltage Rating:
30V dc
Maximum Current:
40 A
Lead Orientation:
Radial
Power Dissipation:
1.4W
Maximum Resistance:
430mΩ
Minimum Resistance:
0.18Ω



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