🍪

We use cookies to improve your experience on our site. By continuing, you agree to our use of cookies.

Create or Sign In to your RSI account for more Information

OptiFuse

Product Categories

OptiFuse Resources

Documentation

Access product manuals, datasheets, and technical specifications.

Applications

Get help with product selection, technical questions, and order support.

  • Optifuse RS60SB-500 Resettable Fuses

    OptiFuse RS60SB-500

    OptiFuse

    The OptiFuse RS60SB-500 is a 5 A hold radial-lead resettable PTC fuse, rated 60 V maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises sharply...

    $1.85
    $1.85
  • Optifuse RS90-010 Resettable Fuses

    OptiFuse RS90-010

    OptiFuse

    The OptiFuse RS90-010 is a 100 mA hold radial-lead resettable PTC fuse, rated 72/90 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    $0.29
    $0.29
  • Optifuse RS90-015 Resettable Fuses

    OptiFuse RS90-015

    OptiFuse

    The OptiFuse RS90-015 is a 150 mA hold radial-lead resettable PTC fuse, rated 72/90 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    $0.29
    $0.29
  • Optifuse RS90-017 Resettable Fuses

    OptiFuse RS90-017

    OptiFuse

    The OptiFuse RS90-017 is a 170 mA hold radial-lead resettable PTC fuse, rated 72/90 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    $0.29
    $0.29
  • Optifuse RS90-020 Resettable Fuses

    OptiFuse RS90-020

    OptiFuse

    The OptiFuse RS90-020 is a 200 mA hold radial-lead resettable PTC fuse, rated 72/90 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    $0.29
    $0.29
  • Optifuse RS90-025 Resettable Fuses

    OptiFuse RS90-025

    OptiFuse

    The OptiFuse RS90-025 is a 250 mA hold radial-lead resettable PTC fuse, rated 72/90 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    $0.29
    $0.29
  • Optifuse RS90-030 Resettable Fuses

    OptiFuse RS90-030

    OptiFuse

    The OptiFuse RS90-030 is a 300 mA hold radial-lead resettable PTC fuse, rated 72/90 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    $0.30
    $0.30
  • Optifuse RS90-035 Resettable Fuses

    OptiFuse RS90-035

    OptiFuse

    The OptiFuse RS90-035 is a 350 mA hold radial-lead resettable PTC fuse, rated 72/90 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    $0.78
    $0.78
  • Optifuse RS90-040 Resettable Fuses

    OptiFuse RS90-040

    OptiFuse

    The OptiFuse RS90-040 is a 400 mA hold radial-lead resettable PTC fuse, rated 72/90 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    $0.30
    $0.30
  • Optifuse RS90-050 Resettable Fuses

    OptiFuse RS90-050

    OptiFuse

    The OptiFuse RS90-050 is a 500 mA hold radial-lead resettable PTC fuse, rated 72/90 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    $0.31
    $0.31
  • Optifuse RS90-055 Resettable Fuses

    OptiFuse RS90-055

    OptiFuse

    The OptiFuse RS90-055 is a 550 mA hold radial-lead resettable PTC fuse, rated 72/90 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    $0.31
    $0.31
  • Optifuse RS90-065 Resettable Fuses

    OptiFuse RS90-065

    OptiFuse

    The OptiFuse RS90-065 is a 650 mA hold radial-lead resettable PTC fuse, rated 72/90 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    $0.33
    $0.33
  • Optifuse RS90-075 Resettable Fuses

    OptiFuse RS90-075

    OptiFuse

    The OptiFuse RS90-075 is a 750 mA hold radial-lead resettable PTC fuse, rated 72/90 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    $0.35
    $0.35
  • Optifuse RS90-090 Resettable Fuses

    OptiFuse RS90-090

    OptiFuse

    The OptiFuse RS90-090 is a 900 mA hold radial-lead resettable PTC fuse, rated 72/90 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    $0.90
    $0.90
  • Optifuse RS90-110 Resettable Fuses

    OptiFuse RS90-110

    OptiFuse

    The OptiFuse RS90-110 is a 1.1 A hold radial-lead resettable PTC fuse, rated 72/90 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    $0.38
    $0.38
  • Optifuse RS90-135 Resettable Fuses

    OptiFuse RS90-135

    OptiFuse

    The OptiFuse RS90-135 is a 1.35 A hold radial-lead resettable PTC fuse, rated 72/90 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    $0.41
    $0.41
  • Optifuse RS90-160 Resettable Fuses

    OptiFuse RS90-160

    OptiFuse

    The OptiFuse RS90-160 is a 1.6 A hold radial-lead resettable PTC fuse, rated 72/90 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    $0.47
    $0.47
  • Optifuse RS90-185 Resettable Fuses

    OptiFuse RS90-185

    OptiFuse

    The OptiFuse RS90-185 is a 1.85 A hold radial-lead resettable PTC fuse, rated 72/90 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    $0.52
    $0.52
  • Optifuse RS90-250 Resettable Fuses

    OptiFuse RS90-250

    OptiFuse

    The OptiFuse RS90-250 is a 2.5 A hold radial-lead resettable PTC fuse, rated 72/90 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    $1.20
    $1.20
  • Optifuse RS90-300 Resettable Fuses

    OptiFuse RS90-300

    OptiFuse

    The OptiFuse RS90-300 is a 3 A hold radial-lead resettable PTC fuse, rated 72/90 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    $1.29
    $1.29
  • Optifuse RS90-375 Resettable Fuses

    OptiFuse RS90-375

    OptiFuse

    The OptiFuse RS90-375 is a 3.75 A hold radial-lead resettable PTC fuse, rated 72/90 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    $1.40
    $1.40
  • Optifuse RSUSB-075 Resettable Fuses

    OptiFuse RSUSB-075

    OptiFuse

    The OptiFuse RSUSB-075 is a 750 mA hold radial-lead resettable PTC fuse, rated 16 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    Call for Price
  • Optifuse RSUSB-090 Resettable Fuses

    OptiFuse RSUSB-090

    OptiFuse

    The OptiFuse RSUSB-090 is a 900 mA hold radial-lead resettable PTC fuse, rated 16/30 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    Call for Price
  • Optifuse RSUSB-110 Resettable Fuses

    OptiFuse RSUSB-110

    OptiFuse

    The OptiFuse RSUSB-110 is a 1.1 A hold radial-lead resettable PTC fuse, rated 16/30 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    Call for Price
  • Optifuse RSUSB-120 Resettable Fuses

    OptiFuse RSUSB-120

    OptiFuse

    The OptiFuse RSUSB-120 is a 1.2 A hold radial-lead resettable PTC fuse, rated 16 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    Call for Price
  • Optifuse RSUSB-135 Resettable Fuses

    OptiFuse RSUSB-135

    OptiFuse

    The OptiFuse RSUSB-135 is a 1.35 A hold radial-lead resettable PTC fuse, rated 16/30 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    Call for Price
  • Optifuse RSUSB-155 Resettable Fuses

    OptiFuse RSUSB-155

    OptiFuse

    The OptiFuse RSUSB-155 is a 1.55 A hold radial-lead resettable PTC fuse, rated 16 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    Call for Price
  • Optifuse RSUSB-160 Resettable Fuses

    OptiFuse RSUSB-160

    OptiFuse

    The OptiFuse RSUSB-160 is a 1.6 A hold radial-lead resettable PTC fuse, rated 16/30 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    Call for Price
  • Optifuse RSUSB-185 Resettable Fuses

    OptiFuse RSUSB-185

    OptiFuse

    The OptiFuse RSUSB-185 is a 1.85 A hold radial-lead resettable PTC fuse, rated 16/30 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    Call for Price
  • Optifuse RSUSB-250 Resettable Fuses

    OptiFuse RSUSB-250

    OptiFuse

    The OptiFuse RSUSB-250 is a 2.5 A hold radial-lead resettable PTC fuse, rated 16/30 VDC maximum. A PTC fuse carries its hold current indefinitely; on an overcurrent it heats, its resistance rises...

    Call for Price
  • Optifuse SCA-1.25A Ceramic Body Fuse - Fast Acting Fuses

    OptiFuse SCA-1.25A

    OptiFuse

    The OptiFuse SCA-1.25A is a 1.25 A super fast-acting ceramic cartridge fuse in the 6.3 x 32 mm (1/4 x 1-1/4 in) size, rated 1000 VAC / 1000 VDC. A super fast-acting fuse clears a fault before it can...

    $9.12
    $9.12
  • Optifuse SCA-1.5A Ceramic Body Fuse - Fast Acting Fuses

    OptiFuse SCA-1.5A

    OptiFuse

    The OptiFuse SCA-1.5A is a 1.5 A super fast-acting ceramic cartridge fuse in the 6.3 x 32 mm (1/4 x 1-1/4 in) size, rated 1000 VAC / 1000 VDC. A super fast-acting fuse clears a fault before it can...

    $9.12
    $9.12
  • Optifuse SCA-1.6A Ceramic Body Fuse - Fast Acting Fuses

    OptiFuse SCA-1.6A

    OptiFuse

    The OptiFuse SCA-1.6A is a 1.6 A super fast-acting ceramic cartridge fuse in the 6.3 x 32 mm (1/4 x 1-1/4 in) size, rated 1000 VAC / 1000 VDC. A super fast-acting fuse clears a fault before it can...

    $9.12
    $9.12
  • Optifuse SCA-10A Ceramic Body Fuse - Fast Acting Fuses

    OptiFuse SCA-10A

    OptiFuse

    The OptiFuse SCA-10A is a 10 A super fast-acting ceramic cartridge fuse in the 6.3 x 32 mm (1/4 x 1-1/4 in) size, rated 600 VAC. A super fast-acting fuse clears a fault before it can damage...

    $9.12
    $9.12
  • Optifuse SCA-12.5A Ceramic Body Fuse - Fast Acting Fuses

    OptiFuse SCA-12.5A

    OptiFuse

    The OptiFuse SCA-12.5A is a 12.5 A super fast-acting ceramic cartridge fuse in the 6.3 x 32 mm (1/4 x 1-1/4 in) size, rated 500 VAC. A super fast-acting fuse clears a fault before it can damage...

    $9.12
    $9.12
  • Optifuse SCA-12A Ceramic Body Fuse - Fast Acting Fuses

    OptiFuse SCA-12A

    OptiFuse

    The OptiFuse SCA-12A is a 12 A super fast-acting ceramic cartridge fuse in the 6.3 x 32 mm (1/4 x 1-1/4 in) size, rated 500 VAC. A super fast-acting fuse clears a fault before it can damage...

    $9.12
    $9.12