PTC Resettable Fuses

Photo Mfr. Part # Availability Quantity Datasheet Package/Case Series Packaging Product Status Type Voltage - Max Current - Hold (Ih) (Max) Current - Trip (It) Current - Max Time to Trip Resistance - Initial (Ri) (Min) Resistance - Post Trip (R1) (Max) Resistance - 25°C (Typ) Operating Temperature Grade Qualification Ratings Mounting Type Size / Dimension Height - Seated (Max) Thickness (Max) Lead Spacing
RUEF250S

RUEF250S

PTC RESET FUSE 30V 2.5A RADIAL

Littelfuse Inc.

227
RFQ
Datasheet Radial, Disc PolySwitch®, RUEF Bag Active Polymeric 30V 2.5 A 5 A 100 A 10.3 s 20 mOhms 70 mOhms - -40°C ~ 85°C - - - Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.720" (18.30mm) - 0.199" (5.05mm)
RUEF090-AP

RUEF090-AP

PTC RESET FUSE 30V 900MA RADIAL

Littelfuse Inc.

450
RFQ
Datasheet Radial, Disc PolySwitch®, RUEF Cut Tape (CT) Active Polymeric 30V 900 mA 1.8 A 100 A 5.9 s 70 mOhms 220 mOhms - -40°C ~ 85°C - - - Through Hole 0.291" L x 0.118" W (7.40mm x 3.00mm) 0.480" (12.20mm) - 0.199" (5.05mm)
RUEF300U

RUEF300U

PTC RESET FUSE 30V 3A RADIAL

Littelfuse Inc.

443
RFQ
Datasheet Radial, Disc PolySwitch®, RUEF Bag Active Polymeric 30V 3 A 6 A 100 A 10.8 s 20 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.650" (16.50mm) - 0.199" (5.05mm)
RUEF300K

RUEF300K

PTC RESET FUSE 30V 3A RADIAL

Littelfuse Inc.

60
RFQ
Datasheet Radial, Disc PolySwitch®, RUEF Bag Active Polymeric 30V 3 A 6 A 100 A 10.8 s 20 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.710" (18.03mm) - 0.199" (5.05mm)
RGEF250

RGEF250

PTC RESET FUSE 16V 2.5A RADIAL

Littelfuse Inc.

146
RFQ
Datasheet Radial, Disc PolySwitch®, RGEF Bag Active Polymeric 16V 2.5 A 4.7 A 100 A 5 s 22 mOhms 53 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" L x 0.118" W (8.90mm x 3.00mm) 0.504" (12.80mm) - 0.199" (5.05mm)
RKEF090

RKEF090

PTC RESET FUSE 60V 900MA RADIAL

Littelfuse Inc.

508
RFQ
Datasheet Radial, Disc PolySwitch®, RKEF Bag Active Polymeric 60V 900 mA 1.8 A 40 A 2 s 190 mOhms 520 mOhms - -40°C ~ 85°C - - - Through Hole 0.310" L x 0.140" W (7.87mm x 3.56mm) 0.550" (13.97mm) - 0.200" (5.08mm)
RUEF300K-AP

RUEF300K-AP

PTC RESET FUSE 30V 3A RADIAL

Littelfuse Inc.

2,000
RFQ
Datasheet Radial, Disc PolySwitch®, RUEF Cut Tape (CT) Active Polymeric 30V 3 A 6 A 100 A 10.8 s 20 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.650" (16.50mm) - 0.199" (5.05mm)
30R135UU

30R135UU

PTC RESET FUSE 30V 1.35A RADIAL

Littelfuse Inc.

170
RFQ
Datasheet Radial, Disc POLY-FUSE®, 30R Bulk Active Polymeric 30V 1.35 A 2.7 A 40 A 7.3 s 40 mOhms 130 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" L x 0.118" W (8.90mm x 3.00mm) 0.532" (13.50mm) - 0.201" (5.10mm)
RUSBF250

RUSBF250

PTC RESET FUSE 16V 2.5A RADIAL

Littelfuse Inc.

325
RFQ
Datasheet Radial, Disc PolySwitch®, RUSBF Bag Active Polymeric 16V 2.5 A 5 A 40 A 40 s 20 mOhms 60 mOhms - -40°C ~ 85°C - - - Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.720" (18.30mm) - 0.118" (3.00mm)
AHRF200

AHRF200

PTC RESET FUSE 16V 2A RADIAL

Littelfuse Inc.

322
RFQ
Datasheet Radial, Disc PolySwitch®, AHRF Bag Active Polymeric 16V 2 A 3.8 A 100 A 4.8 s 39 mOhms 110 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.370" Dia x 0.118" T (9.40mm x 3.00mm) 0.567" (14.40mm) - 0.199" (5.05mm)
RHEF100-AP

RHEF100-AP

PTC RESET FUSE 30V 1A RADIAL

Littelfuse Inc.

840
RFQ
Datasheet Radial, Disc PolySwitch®, RHEF Cut Tape (CT) Active Polymeric 30V 1 A 1.8 A 40 A 5.2 s 180 mOhms 430 mOhms - -40°C ~ 125°C - - - Through Hole 0.382" Dia x 0.118" T (9.70mm x 3.00mm) 0.535" (13.60mm) - 0.199" (5.05mm)
RXEF135-2

RXEF135-2

PTC RESET FUSE 72V 1.35A RADIAL

Littelfuse Inc.

599
RFQ
Datasheet Radial, Disc PolySwitch®, RXEF Tape & Reel (TR) Active Polymeric 72V 1.35 A 2.7 A 40 A 9.6 s 120 mOhms 300 mOhms - -40°C ~ 85°C - - - Through Hole 0.571" Dia x 0.118" T (14.50mm x 3.00mm) 0.752" (19.10mm) - 0.199" (5.05mm)
RUEF400-AP

RUEF400-AP

PTC RESET FUSE 30V 4A RADIAL

Littelfuse Inc.

191
RFQ
Datasheet Radial, Disc PolySwitch®, RUEF Cut Tape (CT) Active Polymeric 30V 4 A 8 A 100 A 12.7 s 10 mOhms 50 mOhms - -40°C ~ 85°C - - - Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.760" (19.30mm) - 0.199" (5.05mm)
AHRF050

AHRF050

PTC RESET FUSE 30V 500MA RADIAL

Littelfuse Inc.

601
RFQ
Datasheet Radial, Disc PolySwitch®, AHRF Bag Active Polymeric 30V 500 mA 1 A 40 A 3 s 350 mOhms 1.1 Ohms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.291" Dia x 0.130" T (7.40mm x 3.30mm) 0.500" (12.70mm) - 0.199" (5.05mm)
60R090XU

60R090XU

PTC RESET FUSE 60V 900MA RADIAL

Littelfuse Inc.

451
RFQ
Datasheet Radial, Disc POLY-FUSE®, 60R Bulk Active Polymeric 60V 900 mA 1.8 A 40 A 7.2 s 200 mOhms 470 mOhms - -40°C ~ 85°C - - - Through Hole 0.441" Dia x 0.122" T (11.20mm x 3.10mm) 0.622" (15.80mm) - 0.201" (5.10mm)
RGEF500-1

RGEF500-1

PTC RESET FUSE 16V 5A RADIAL

Littelfuse Inc.

125
RFQ
Datasheet Radial, Disc PolySwitch®, RGEF Bag Active Polymeric 16V 5 A 8.5 A 100 A 2 s 15 mOhms 34 mOhms - -40°C ~ 85°C - - - Through Hole 0.390" L x 0.098" W (9.90mm x 2.50mm) 0.563" (14.30mm) - 0.199" (5.05mm)
LR4-190F

LR4-190F

PTC RESET FUSE 15V 1.9A STRAP

Littelfuse Inc.

642
RFQ
Datasheet Strap PolySwitch®, LR4 Bag Active Polymeric 15V 1.9 A 3.9 A 100 A 5 s 39 mOhms 102 mOhms - -40°C ~ 85°C - - - User Defined 0.827" L x 0.205" W (21.00mm x 5.20mm) - - -
RXEF185K

RXEF185K

PTC RESET FUSE 72V 1.85A RADIAL

Littelfuse Inc.

390
RFQ
Datasheet Radial, Disc PolySwitch®, RXEF Bag Active Polymeric 72V 1.85 A 3.7 A 40 A 12.6 s 80 mOhms 190 mOhms - -40°C ~ 85°C - - - Through Hole 0.660" Dia x 0.118" T (16.76mm x 3.00mm) 0.906" (23.00mm) - 0.199" (5.05mm)
LVR016K

LVR016K

PTC RESET FUSE 240V 160MA RADIAL

Littelfuse Inc.

352
RFQ
Datasheet Radial, Disc PolySwitch®, LVR Bag Active Polymeric 240V (265V Int) 160 mA 370 mA 2 A 15 s 2.5 Ohms 7.8 Ohms - -20°C ~ 85°C - - - Through Hole 0.390" Dia x 0.150" T (9.90mm x 3.80mm) 0.543" (13.80mm) - 0.200" (5.08mm)
RGEF700

RGEF700

PTC RESET FUSE 16V 7A RADIAL

Littelfuse Inc.

464
RFQ
Datasheet Radial, Disc PolySwitch®, RGEF Bag Active Polymeric 16V 7 A 11.9 A 100 A 3.5 s 7.7 mOhms 20 mOhms - -40°C ~ 85°C - - - Through Hole 0.421" L x 0.098" W (10.70mm x 2.50mm) 0.776" (19.70mm) - 0.199" (5.05mm)
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