Radial Leaded
Littelfuse’s radial leaded resettable PTC (positive temperature coefficient) fuses are designed to provide overcurrent protection for applications and represent the most comprehensive set of PPTC (polymeric positive temperature coefficient) products available in the industry today.
Littelfuse’s radial leaded PTCs feature: resettable and single use overcurrent devices, a wide range of form factor and termination methods, devices are compatible with high-volume electronics assembly.
Radial leaded PTCs are used in a wide range of applications, including: satellite video receivers, industrial controls, transformers, computer motherboards, modems, USB hubs, ports and peripherals, CD-ROMs, game machines, battery packs, phones, fax machines and printers.
RGEF
IHold (A): 2.5, 3, 4, 5, 6, 7, 10, 11, 12, 14
ITRIP (A): 4.7, 5.1, 6.8, 8.5, 10.2, 11.9, 17, 18.7, 20.4, 23.8
Imax (A): 100
AGRF
IHold (A): 4, 5, 6, 7, 8, 9, 10, 11, 12, 14
ITRIP (A): 7.6, 9.4, 10.7, 13.2, 15, 16.5, 18.5, 20.3, 22.1, 27.3
Imax (A): 100
16R
IHold (A): 2.5, 3, 4, 5, 6, 7, 10, 11, 12, 14
ITRIP (A): 4.7, 5.1, 6.8, 8.5, 10.2, 11.9, 17, 18.7, 20.4, 23.8
Max Volts (V): 16
RHEF
IHold (A): 0.5, 0.7, 1, 2, 3, 10, 11, 13, 14, 15
ITRIP (A): 0.9, 1.4, 1.8, 3.8, 6, 18.5, 20, 24, 27, 28
Imax (A): 40, 100
AHRF
IHold (A): 0.5, 0.7, 1, 2, 3, 10, 11, 13, 14, 15
ITRIP (A): 1, 1.4, 1.9, 3.8, 6.5, 20.5, 21.2, 27, 28.3, 33
Imax (A): 40, 100
RUEF
IHold (A): 0.9, 1.1, 1.35, 1.6, 1.85, 2.5, 3, 4, 5, 6
ITRIP (A): 1.8, 2.2, 2.7, 3.2, 3.7, 4.9, 5, 6, 8, 10
Imax (A): 100
30R
IHold (A): 0.9, 1.1, 1.35, 1.6, 1.85, 2.5, 3, 4, 5, 6
ITRIP (A): 1.8, 2.2, 2.7, 3.2, 3.7, 5, 6, 8, 10, 12
Max Volts (V): 30
AHEF
IHold (A): 0.5, 0.7, 1, 3, 5, 7.5, 10
ITRIP (A): 1, 1.4, 1.9, 6, 10, 15, 20
Imax (A): 100
RKEF
IHold (A): 0.5, 0.65, 0.75, 0.9, 1.1, 1.35,1.6, 1.85, 2.5, 3
ITRIP (A): 1, 1.3, 1.5, 1.8, 2.2, 2.7, 3.2, 3.7, 5, 6
Imax (A): 40
60R
IHold (A): 0.1, 0.17, 0.2, 0.25, 0.3, 0.4, 0.5, 0.65, 0.75, 0.9
ITRIP (A): 0.2, 0.34, 0.4, 0.5, 0.6, 0.8, 1, 1.3, 1.5, 1.8
Max Volts (V): 60
RXEF
IHold (A): 0.05, 0.1, 0.17, 0.2, 0.25, 0.3, 0.4, 0.5, 0.65, 0.75
ITRIP (A): 0.1, 0.2, 0.34, 0.4, 0.5, 0.6, 0.8, 1, 1.3, 1.5
Imax (A): 40
72R
IHold (A): 0.2, 0.25, 0.3, 0.4, 0.5, 0.65, 0.75, 0.9, 1.1, 1.35
ITRIP (A): 0.4, 0.5, 0.6, 0.8, 1, 1.3, 1.5, 1.8, 2.2, 2.7
Max Volts (V): 72
RUSBF
IHold (A): 0.75, 0.9, 1.1, 1.2, 1.35, 1.55, 1.6, 1.85, 2.5
ITRIP (A): 1.3, 1.8, 2, 2.2, 2.65, 2.7, 3.2, 3.7, 5
Imax (A): 40
USBR
IHold (A): 0.75, 0.9, 1.1, 1.2, 1.35, 1.55, 1.6, 1.85, 2.5
ITRIP (A): 1.3, 1.8, 2, 2.2, 2.7, 3.2, 3.7, 5
Max Volts (V): 6, 16
250R
IHold (A): 0.08, 0.12, 0.145, 0.18
ITRIP (A): 0.16, 0.24, 0.29, 0.65
Max Volts (V): 250
600R
IHold (A): 0.15, 0.16
ITRIP (A): 0.3, 0.32
Max volts (V): 600
For further information on Littelfuse’s Radial Leaded PTC fuses then please call: 01444 243 452 or email: .(JavaScript must be enabled to view this email address).

Littelfuse
Littelfuse is a global manufacturer of leading technologies in circuit protection, power control, and sensing. Littelfuse products are found in automotive and commercial vehicles, industrial applications, data and telecommunications, medical devices, consumer electronics, and appliances. They partner with customers to design, manufacture, and deliver innovative, high-quality solutions, for a safer, greener, and increasingly connected world—everywhere, every day.
Further information:
You can find further information on Littelfuse using the following links:
Tel: 01444 243 452
Fax: 01444 870 722
Email: enquiries@gdrectifiers.co.uk
