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MICRO3® Fuses

Micro3 Fuse_Primary

Micro3 Fuse_Primary Micro3 Fuse Micro3 Fuse Micro3 Fuse

MICRO3® Fuses: Compact, Triple-Terminal Circuit Protection for Modern Vehicles

MICRO3® fuses are designed with three terminals and two fuse elements sharing a common center terminal, providing efficient protection for multiple circuits while minimizing space requirements. Their sub-miniature design makes them ideal for modern vehicles and applications where high temperatures and adverse environments are common. MICRO3® fuses are available in 5, 7.5, 10, and 15 amp sizes, offering reliable circuit protection in compact spaces.

With a voltage rating of 32 VDC and an interrupting capacity of 1000A at 32 VDC, these fuses provide robust performance in demanding conditions. Featuring silver-plated zinc alloy terminals and PA66 housing material, MICRO3® fuses are RoHS compliant and built for long-lasting durability in harsh environments.


  • Voltage Rating: 32 VDC.
  • Interrupting Ratings: 1000A @ 32 VDC.
  • Operating Temperature: -40°C to 125°C.
  • Terminals: Ag Plated Zinc Alloy.
  • Housing Material: PA66.
  • RoHS.
Item Description Price
1+ I Ext. Price I 500+ Ext. Price I I 5000+ Ext. Price I
Qty in
Package 		In Stock Add to Cart
78931 Littelfuse 0337005.PX2S, MICRO3 Fuse, Tan, 5 Amp, 32V (10 MIN)
0.71 7.10 I 0.50300 5.03 I 0.38 3.80
10 EA ✓
78932 Littelfuse 033707.5PX2S, MICRO3 Fuse, Brown, 7.5 Amp, 32V (10 MIN)
0.71 7.10 I 0.50300 5.03 I 0.38 3.80
10 EA ✓
78933 Littelfuse 0337010.PX2S, MICRO3 Fuse, Red, 10 Amp, 32V (10 MIN)
0.74700 7.47 I 0.53 5.30 I 0.40 4.00
10 EA ✓
78934 Littelfuse 0337015.PX2S, MICRO3 Fuse, Blue, 15 Amp, 32V (10 MIN)
0.75200 7.52 I 0.53300 5.33 I 0.40300 4.03
10 EA ✓
Prop65 Warning