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  4. PTC Resettable Fuses
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45 results
Picture Mfr Part # QUANTITY Inventory MANUFACTURE Description Package Series Part Status Packaging Operating Temperature Mounting Type Size / Dimension Height - Seated (Max) Package / Case Lead Spacing Type Voltage - Max Current - Max Current - Hold (Ih) (Max) Current - Trip (It) Time to Trip Resistance - Initial (Ri) (Min) Resistance - Post Trip (R1) (Max) Resistance - 25°C (Typ)
GLOBAL STOCKS
RUEF400K-0.138
RUEF400K-0.138
RFQ
RFQ
2,883
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 4A RADIAL PolySwitch®, RUEF Obsolete Bulk -40°C ~ 85°C Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.839" (21.30mm) Radial, Disc 0.199" (5.05mm) Polymeric 30V 100A 4A 8A 12.7s 10 mOhms 50 mOhms -
Default Photo
RUEF300-1
RFQ
RFQ
1,642
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 3A RADIAL PolySwitch®, RUEF Obsolete Bulk -40°C ~ 85°C Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.650" (16.50mm) Radial, Disc 0.199" (5.05mm) Polymeric 30V 100A 3A 6A 10.8s 20 mOhms 80 mOhms -
RUEF600K
RUEF600K
RFQ
2,343
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 6A RADIAL PolySwitch®, RUEF Active Bulk -40°C ~ 85°C Through Hole 0.650" L x 0.118" W (16.50mm x 3.00mm) 1.031" (26.20mm) Radial, Disc 0.400" (10.15mm) Polymeric 30V 100A 6A 12A 16s 5 mOhms 40 mOhms -
RUEF400-1
RUEF400-1
RFQ
1,049
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 4A RADIAL PolySwitch®, RUEF Active Bulk -40°C ~ 85°C Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.760" (19.30mm) Radial, Disc 0.199" (5.05mm) Polymeric 30V 100A 4A 8A 12.7s 10 mOhms 50 mOhms -
RUEF400K
RUEF400K
RFQ
3,403
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 4A RADIAL PolySwitch®, RUEF Active Bulk -40°C ~ 85°C Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.839" (21.30mm) Radial, Disc 0.199" (5.05mm) Polymeric 30V 100A 4A 8A 12.7s 10 mOhms 50 mOhms -
RUEF300U
RUEF300U
RFQ
3,195
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 3A RADIAL PolySwitch®, RUEF Active Bulk -40°C ~ 85°C Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.650" (16.50mm) Radial, Disc 0.199" (5.05mm) Polymeric 30V 100A 3A 6A 10.8s 20 mOhms 80 mOhms -
RUEF300K
RUEF300K
RFQ
3,996
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 3A RADIAL PolySwitch®, RUEF Active Bulk -40°C ~ 85°C Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.710" (18.03mm) Radial, Disc 0.199" (5.05mm) Polymeric 30V 100A 3A 6A 10.8s 20 mOhms 80 mOhms -
RUEF700K
RUEF700K
RFQ
3,046
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 7A RADIAL PolySwitch®, RUEF Active Bulk -40°C ~ 85°C Through Hole 0.752" L x 0.118" W (19.10mm x 3.00mm) 1.091" (27.70mm) Radial, Disc 0.400" (10.15mm) Polymeric 30V 100A 7A 14A 17.5s 5 mOhms 30 mOhms -
RUEF600-1
RUEF600-1
RFQ
801
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 6A RADIAL PolySwitch®, RUEF Active Bulk -40°C ~ 85°C Through Hole 0.650" L x 0.118" W (16.50mm x 3.00mm) 0.949" (24.10mm) Radial, Disc 0.400" (10.15mm) Polymeric 30V 100A 6A 12A 16s 5 mOhms 40 mOhms -
RUEF500K
RUEF500K
RFQ
1,327
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 5A RADIAL PolySwitch®, RUEF Active Bulk -40°C ~ 85°C Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 1.008" (25.60mm) Radial, Disc 0.400" (10.15mm) Polymeric 30V 100A 5A 10A 14.5s 10 mOhms 50 mOhms -
RUEF110S
RUEF110S
RFQ
1,924
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 1.1A RADIAL PolySwitch®, RUEF Active Bulk -40°C ~ 85°C Through Hole 0.291" L x 0.118" W (7.40mm x 3.00mm) 0.559" (14.20mm) Radial, Disc 0.199" (5.05mm) Polymeric 30V 100A 1.1A 2.2A 6.6s 70 mOhms 170 mOhms -
RUEF185-1
RUEF185-1
RFQ
1,387
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 1.85A RADIAL PolySwitch®, RUEF Active Bulk -40°C ~ 85°C Through Hole 0.402" Dia x 0.118" W (10.20mm x 3.00mm) 0.618" (15.70mm) Radial, Disc 0.199" (5.05mm) Polymeric 30V 100A 1.85A 3.7A 8.7s 30 mOhms 90 mOhms -
RUEF600K-0.144
RUEF600K-0.144
RFQ
1,997
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 6A RADIAL PolySwitch®, RUEF Active Bulk -40°C ~ 85°C Through Hole 0.650" L x 0.118" W (16.50mm x 3.00mm) 1.031" (26.20mm) Radial, Disc 0.400" (10.15mm) Polymeric 30V 100A 6A 12A 16s 5 mOhms 40 mOhms -
RUEF160S
RUEF160S
RFQ
2,909
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 1.6A RADIAL PolySwitch®, RUEF Active Bulk -40°C ~ 85°C Through Hole 0.350" L x 0.118" W (8.90mm x 3.00mm) 0.598" (15.20mm) Radial, Disc 0.199" (5.05mm) Polymeric 30V 100A 1.6A 3.2A 8s 30 mOhms 110 mOhms -
RUEF135S
RUEF135S
RFQ
1,878
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 1.35A RADIAL PolySwitch®, RUEF Active Bulk -40°C ~ 85°C Through Hole 0.350" L x 0.118" W (8.90mm x 3.00mm) 0.532" (13.50mm) Radial, Disc 0.199" (5.05mm) Polymeric 30V 100A 1.35A 2.7A 7.3s 40 mOhms 130 mOhms -
RUEF800-1
RUEF800-1
RFQ
3,271
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 8A RADIAL PolySwitch®, RUEF Active Bulk -40°C ~ 85°C Through Hole 0.850" L x 0.118" W (21.60mm x 3.00mm) 1.118" (28.40mm) Radial, Disc 0.400" (10.15mm) Polymeric 30V 100A 8A 16A 18.8s 5 mOhms 20 mOhms -
RUEF250S
RUEF250S
RFQ
809
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 2.5A RADIAL PolySwitch®, RUEF Active Bulk -40°C ~ 85°C Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.720" (18.30mm) Radial, Disc 0.199" (5.05mm) Polymeric 30V 100A 2.5A 5A 10.3s 20 mOhms 70 mOhms -
RUEF185S
RUEF185S
RFQ
2,628
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 1.85A RADIAL PolySwitch®, RUEF Active Bulk -40°C ~ 85°C Through Hole 0.402" Dia x 0.118" W (10.20mm x 3.00mm) 0.618" (15.70mm) Radial, Disc 0.199" (5.05mm) Polymeric 30V 100A 1.85A 3.7A 8.7s 30 mOhms 90 mOhms -
RUEF900K
RUEF900K
RFQ
1,804
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 9A RADIAL PolySwitch®, RUEF Active Bulk -40°C ~ 85°C Through Hole 0.949" L x 0.118" W (24.10mm x 3.00mm) 1.220" (31.00mm) Radial, Disc 0.400" (10.15mm) Polymeric 30V 100A 9A 18A 20s 5 mOhms 20 mOhms -
RUEF500-1
RUEF500-1
RFQ
1,744
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 5A RADIAL PolySwitch®, RUEF Active Bulk -40°C ~ 85°C Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.949" (24.10mm) Radial, Disc 0.400" (10.15mm) Polymeric 30V 100A 5A 10A 14.5s 10 mOhms 50 mOhms -
RUEF900-1
RUEF900-1
RFQ
RFQ
1,718
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 9A RADIAL PolySwitch®, RUEF Obsolete Bulk -40°C ~ 85°C Through Hole 0.949" L x 0.120" W (24.10mm x 3.00mm) 1.142" (29.00mm) Radial, Disc 0.400" (10.15mm) Polymeric 30V 100A 9A 18A 20s 5 mOhms 20 mOhms -
RUEF250-1
RUEF250-1
RFQ
RFQ
3,185
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 2.5A RADIAL PolySwitch®, RUEF Obsolete Bulk -40°C ~ 85°C Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.720" (18.30mm) Radial, Disc 0.199" (5.05mm) Polymeric 30V 100A 2.5A 5A 10.3s 20 mOhms 70 mOhms -
RUEF160-1
RUEF160-1
RFQ
RFQ
1,923
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 1.6A RADIAL PolySwitch®, RUEF Obsolete Bulk -40°C ~ 85°C Through Hole 0.350" L x 0.118" W (8.90mm x 3.00mm) 0.598" (15.20mm) Radial, Disc 0.199" (5.05mm) Polymeric 30V 100A 1.6A 3.2A 8s 30 mOhms 110 mOhms -
RUEF135-1
RUEF135-1
RFQ
RFQ
3,544
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 1.35A RADIAL PolySwitch®, RUEF Obsolete Bulk -40°C ~ 85°C Through Hole 0.350" L x 0.118" W (8.90mm x 3.00mm) 0.532" (13.50mm) Radial, Disc 0.199" (5.05mm) Polymeric 30V 100A 1.35A 2.7A 7.3s 40 mOhms 130 mOhms -
RUEF110-1
RUEF110-1
RFQ
RFQ
2,599
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 1.1A RADIAL PolySwitch®, RUEF Obsolete Bulk -40°C ~ 85°C Through Hole 0.291" L x 0.118" W (7.40mm x 3.00mm) 0.559" (14.20mm) Radial, Disc 0.199" (5.05mm) Polymeric 30V 100A 1.1A 2.2A 6.6s 70 mOhms 170 mOhms -
Default Photo
RUEF090S
RFQ
RFQ
2,785
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 900MA RADIAL PolySwitch®, RUEF Obsolete Bulk -40°C ~ 85°C Through Hole 0.291" L x 0.118" W (7.40mm x 3.00mm) 0.480" (12.20mm) Radial, Disc 0.199" (5.05mm) Polymeric 30V 100A 900mA 1.8A 5.9s 70 mOhms 220 mOhms -
RUEF090-1
RUEF090-1
RFQ
RFQ
3,796
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 900MA RADIAL PolySwitch®, RUEF Obsolete Bulk -40°C ~ 85°C Through Hole 0.291" L x 0.118" W (7.40mm x 3.00mm) 0.480" (12.20mm) Radial, Disc 0.199" (5.05mm) Polymeric 30V 100A 900mA 1.8A 5.9s 70 mOhms 220 mOhms -
RUEF160
RUEF160
RFQ
RFQ
1,525
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 1.6A RADIAL PolySwitch®, RUEF Discontinued at Digi-Key Bulk -40°C ~ 85°C Through Hole 0.350" L x 0.118" W (8.90mm x 3.00mm) 0.598" (15.20mm) Radial, Disc 0.199" (5.05mm) Polymeric 30V 100A 1.6A 3.2A 8s 30 mOhms 110 mOhms -
RUEF500
RUEF500
RFQ
RFQ
2,988
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 5A RADIAL PolySwitch®, RUEF Discontinued at Digi-Key Bulk -40°C ~ 85°C Through Hole 0.551" L x 0.120" W (14.00mm x 3.00mm) 0.949" (24.10mm) Radial, Disc 0.400" (10.15mm) Polymeric 30V 100A 5A 10A 14.5s 10 mOhms 50 mOhms -
RUEF900
RUEF900
RFQ
2,656
In-stock
 Littelfuse Inc. PTC RESET FUSE 30V 9A RADIAL PolySwitch®, RUEF Active Bulk -40°C ~ 85°C Through Hole 0.949" L x 0.118" W (24.10mm x 3.00mm) 1.142" (29.00mm) Radial, Disc 0.400" (10.15mm) Polymeric 30V 100A 9A 18A 20s 5 mOhms 20 mOhms -
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