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  4. PTC Resettable Fuses
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44 results
Picture Mfr Part # Unit Price QUANTITY Inventory MANUFACTURE Description Package Series Part Status Packaging Operating Temperature Ratings Mounting Type Size / Dimension Height - Seated (Max) Package / Case Thickness (Max) 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
Default Photo
0ZRN0450FF2B
RFQ
VIEW
RFQ
Bel Fuse Inc. RADIAL PTC RESETTABLE FUSE, 4.5A 0ZRN Active   -40°C ~ 125°C   Through Hole 0.409" L x 0.118" W (10.40mm x 3.00mm) 0.614" (15.60mm) Radial, Disc   0.201" (5.10mm) Polymeric 16V 100A 4.5A 7.8A 3S 22 mOhms 54 mOhms  
Default Photo
0ZRN0450FF1E
Per Unit
$0.59
 RFQ
RFQ
3,000
In-stock
 Bel Fuse Inc. RADIAL PTC RESETTABLE FUSE, 4.5A 0ZRN Active   -40°C ~ 125°C   Through Hole 0.409" L x 0.118" W (10.40mm x 3.00mm) 0.614" (15.60mm) Radial, Disc   0.201" (5.10mm) Polymeric 16V 100A 4.5A 7.8A 3S 22 mOhms 54 mOhms  
Default Photo
0ZSC0450FF1E
Per Unit
$0.71
 RFQ
RFQ
1,678
In-stock
 Bel Fuse Inc. PTC RESET FUSE 20V 4.5A STRAP 0ZSC Active - -40°C ~ 85°C - User Defined 0.984" L x 0.402" W (25.00mm x 10.20mm) - Strap 0.039" (1.00mm) - Polymeric 20V 100A 4.5A 8.9A 5s 11 mOhms 28 mOhms -
Default Photo
PFLR.450
RFQ
RFQ
3,427
In-stock
 Schurter Inc. PTC RESET FUSE 10V 4.5A STRAP PFLR Obsolete Bulk -45°C ~ 85°C - User Defined 0.984" L x 0.402" W (25.00mm x 10.21mm) - Strap 0.039" (1.00mm) - Polymeric 10V 100A 4.5A 8.9A 5s 11 mOhms 28 mOhms -
MF-RHT450-2
MF-RHT450-2
Per Unit
$0.95
 RFQ
RFQ
1,791
In-stock
 Bourns Inc. PTC RESET FUSE 16V 4.5A RADIAL Multifuse®, MF-RHT Active Cut Tape (CT) -40°C ~ 125°C AEC-Q200 Through Hole 0.409" L x 0.118" W (10.40mm x 3.00mm) 0.614" (15.60mm) Radial, Disc - 0.114" (2.90mm) Polymeric 16V 100A 4.5A 7.8A 3S 22 mOhms 54 mOhms -
MF-RHT450-2
MF-RHT450-2
Per Unit
$0.37
 RFQ
RFQ
3,611
In-stock
 Bourns Inc. PTC RESET FUSE 16V 4.5A RADIAL Multifuse®, MF-RHT Active Tape & Reel (TR) -40°C ~ 125°C AEC-Q200 Through Hole 0.409" L x 0.118" W (10.40mm x 3.00mm) 0.614" (15.60mm) Radial, Disc - 0.114" (2.90mm) Polymeric 16V 100A 4.5A 7.8A 3S 22 mOhms 54 mOhms -
MF-NSML450-2
MF-NSML450-2
RFQ
RFQ
3,368
In-stock
 Bourns Inc. PTC RESET FUSE 6V 4.5A 1206 Multifuse®, MF-NSML Active Digi-Reel® -40°C ~ 85°C - Surface Mount 0.128" L x 0.063" W (3.25mm x 1.60mm) - 1206 (3216 Metric), Concave 0.047" (1.20mm) - Polymeric 6V 50A 4.5A 9A 2s 1 mOhms 14 mOhms -
MF-NSML450-2
MF-NSML450-2
Per Unit
$0.95
 RFQ
RFQ
1,538
In-stock
 Bourns Inc. PTC RESET FUSE 6V 4.5A 1206 Multifuse®, MF-NSML Active Cut Tape (CT) -40°C ~ 85°C - Surface Mount 0.128" L x 0.063" W (3.25mm x 1.60mm) - 1206 (3216 Metric), Concave 0.047" (1.20mm) - Polymeric 6V 50A 4.5A 9A 2s 1 mOhms 14 mOhms -
MF-NSML450-2
MF-NSML450-2
Per Unit
$0.36
 RFQ
RFQ
2,236
In-stock
 Bourns Inc. PTC RESET FUSE 6V 4.5A 1206 Multifuse®, MF-NSML Active Tape & Reel (TR) -40°C ~ 85°C - Surface Mount 0.128" L x 0.063" W (3.25mm x 1.60mm) - 1206 (3216 Metric), Concave 0.047" (1.20mm) - Polymeric 6V 50A 4.5A 9A 2s 1 mOhms 14 mOhms -
MICROSMD450LR-2
MICROSMD450LR-2
RFQ
RFQ
2,569
In-stock
 Littelfuse Inc. PTC RESET FUSE 5V 4.5A 1210 PolySwitch®, microSMD Active Digi-Reel® -40°C ~ 80°C - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 1210 (3225 Metric), Concave 0.039" (1.00mm) - Polymeric 5V 50A 4.5A 9A 2s 2 mOhms 8 mOhms -
MICROSMD450LR-2
MICROSMD450LR-2
Per Unit
$0.88
 RFQ
RFQ
1,779
In-stock
 Littelfuse Inc. PTC RESET FUSE 5V 4.5A 1210 PolySwitch®, microSMD Active Cut Tape (CT) -40°C ~ 80°C - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 1210 (3225 Metric), Concave 0.039" (1.00mm) - Polymeric 5V 50A 4.5A 9A 2s 2 mOhms 8 mOhms -
MICROSMD450LR-2
MICROSMD450LR-2
Per Unit
$0.33
 RFQ
RFQ
3,403
In-stock
 Littelfuse Inc. PTC RESET FUSE 5V 4.5A 1210 PolySwitch®, microSMD Active Tape & Reel (TR) -40°C ~ 80°C - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 1210 (3225 Metric), Concave 0.039" (1.00mm) - Polymeric 5V 50A 4.5A 9A 2s 2 mOhms 8 mOhms -
MF-USML450-2
MF-USML450-2
RFQ
RFQ
2,925
In-stock
 Bourns Inc. PTC RESET FUSE 6V 4.5A 1210 Multifuse®, MF-USML Active Digi-Reel® -40°C ~ 85°C - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 1210 (3225 Metric), Concave 0.047" (1.20mm) - Polymeric 6V 50A 4.5A 9A 2s 1 mOhms 15 mOhms -
MF-USML450-2
MF-USML450-2
Per Unit
$0.88
 RFQ
RFQ
2,908
In-stock
 Bourns Inc. PTC RESET FUSE 6V 4.5A 1210 Multifuse®, MF-USML Active Cut Tape (CT) -40°C ~ 85°C - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 1210 (3225 Metric), Concave 0.047" (1.20mm) - Polymeric 6V 50A 4.5A 9A 2s 1 mOhms 15 mOhms -
MF-USML450-2
MF-USML450-2
Per Unit
$0.33
 RFQ
RFQ
1,450
In-stock
 Bourns Inc. PTC RESET FUSE 6V 4.5A 1210 Multifuse®, MF-USML Active Tape & Reel (TR) -40°C ~ 85°C - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 1210 (3225 Metric), Concave 0.047" (1.20mm) - Polymeric 6V 50A 4.5A 9A 2s 1 mOhms 15 mOhms -
20LR450U
20LR450U
Per Unit
$0.37
 RFQ
RFQ
2,382
In-stock
 Littelfuse Inc. PTC RESET FUSE 20V 4.5A STRAP POLY-FUSE®, LR Active Bulk -40°C ~ 85°C - User Defined 0.984" L x 0.402" W (25.00mm x 10.20mm) - Strap 0.039" (1.00mm) - Polymeric 20V 100A 4.5A 8.9A 5s 11 mOhms 28 mOhms -
20LR450SU
20LR450SU
Per Unit
$0.37
 RFQ
RFQ
1,911
In-stock
 Littelfuse Inc. PTC RESET FUSE 20V 4.5A STRAP POLY-FUSE®, LR Active Bulk -40°C ~ 85°C - User Defined 0.984" L x 0.402" W (25.00mm x 10.20mm) - Strap 0.039" (1.00mm) - Polymeric 20V 100A 4.5A 8.9A 5s 11 mOhms 28 mOhms -
MF-RHT450-AP
MF-RHT450-AP
Per Unit
$0.36
 RFQ
RFQ
2,341
In-stock
 Bourns Inc. PTC RESET FUSE 16V 4.5A RADIAL Multifuse®, MF-RHT Active Tape & Box (TB) -40°C ~ 125°C AEC-Q200 Through Hole 0.409" L x 0.118" W (10.40mm x 3.00mm) 0.614" (15.60mm) Radial, Disc - 0.114" (2.90mm) Polymeric 16V 100A 4.5A 7.8A 3S 22 mOhms 54 mOhms -
AHRF450-2
AHRF450-2
Per Unit
$0.35
 RFQ
RFQ
1,217
In-stock
 Littelfuse Inc. PTC RESET FUSE 16V 4.5A RADIAL PolySwitch®, AHRF Active Tape & Reel (TR) -40°C ~ 125°C AEC-Q200 Through Hole 0.409" Dia x 0.122" W (10.40mm x 3.10mm) 0.563" (14.30mm) Radial, Disc - 0.199" (5.05mm) Polymeric 16V 100A 4.5A 8.7A 4s 17 mOhms 54 mOhms -
AHRF450-2
AHRF450-2
RFQ
RFQ
1,785
In-stock
 Littelfuse Inc. PTC RESET FUSE 16V 4.5A RADIAL PolySwitch®, AHRF Discontinued at Digi-Key Cut Tape (CT) -40°C ~ 125°C AEC-Q200 Through Hole 0.409" L x 0.118" W (10.40mm x 3.00mm) 0.614" (15.60mm) Radial, Disc - 0.199" (5.05mm) Polymeric 16V 100A 4.5A 8.7A 4s 1.7 mOhms 54 mOhms -
AHRF450-2
AHRF450-2
RFQ
RFQ
3,697
In-stock
 Littelfuse Inc. PTC RESET FUSE 16V 4.5A RADIAL PolySwitch®, AHRF Discontinued at Digi-Key Tape & Reel (TR) -40°C ~ 125°C AEC-Q200 Through Hole 0.409" L x 0.118" W (10.40mm x 3.00mm) 0.614" (15.60mm) Radial, Disc - 0.200" (5.08mm) Polymeric 16V 100A 4.5A 8.7A 4s 1.7 mOhms 54 mOhms -
RHE450
RHE450
RFQ
RFQ
1,604
In-stock
 Littelfuse Inc. PTC RESET FUSE 16V 4.5A RADIAL PolySwitch® Obsolete Bulk - - Through Hole 0.409" L x 0.118" W (10.40mm x 3.00mm) 0.614" (15.60mm) Radial, Disc - 0.199" (5.05mm) Polymeric 16V 100A 4.5A 7.8A 3S 22 mOhms 3.6 Ohms -
MF-RHT450-0
MF-RHT450-0
Per Unit
$0.83
 RFQ
RFQ
3,886
In-stock
 Bourns Inc. PTC RESET FUSE 16V 4.5A RADIAL Multifuse®, MF-RHT Active Bulk -40°C ~ 125°C AEC-Q200 Through Hole 0.409" L x 0.118" W (10.40mm x 3.00mm) 0.614" (15.60mm) Radial, Disc - 0.114" (2.90mm) Polymeric 16V 100A 4.5A 7.8A 3S 22 mOhms 54 mOhms -
MF-LR450
MF-LR450
Per Unit
$0.48
 RFQ
RFQ
1,839
In-stock
 Bourns Inc. PTC RESET FUSE 16V 4.5A STRAP Multifuse®, MF-LR Active Bulk -40°C ~ 85°C - User Defined 0.984" L x 0.402" W (25.00mm x 10.21mm) - Strap 0.039" (1.00mm) - Polymeric 16V 100A 4.5A 8.9A 5s 11 mOhms 28 mOhms -
NANOSMD450LR-2
NANOSMD450LR-2
RFQ
RFQ
2,424
In-stock
 Littelfuse Inc. PTC RESET FUSE 6V 4.5A 1206 PolySwitch®, microSMD Active Digi-Reel® -40°C ~ 80°C - Surface Mount 0.127" L x 0.063" W (3.22mm x 1.61mm) - 1206 (3216 Metric) 0.032" (0.80mm) - Polymeric 6V 50A 4.5A 9A 2s 2 mOhms 8 mOhms -
NANOSMD450LR-2
NANOSMD450LR-2
Per Unit
$0.81
 RFQ
RFQ
2,648
In-stock
 Littelfuse Inc. PTC RESET FUSE 6V 4.5A 1206 PolySwitch®, microSMD Active Cut Tape (CT) -40°C ~ 80°C - Surface Mount 0.127" L x 0.063" W (3.22mm x 1.61mm) - 1206 (3216 Metric) 0.032" (0.80mm) - Polymeric 6V 50A 4.5A 9A 2s 2 mOhms 8 mOhms -
NANOSMD450LR-2
NANOSMD450LR-2
Per Unit
$0.30
 RFQ
RFQ
3,820
In-stock
 Littelfuse Inc. PTC RESET FUSE 6V 4.5A 1206 PolySwitch®, microSMD Active Tape & Reel (TR) -40°C ~ 80°C - Surface Mount 0.127" L x 0.063" W (3.22mm x 1.61mm) - 1206 (3216 Metric) 0.032" (0.80mm) - Polymeric 6V 50A 4.5A 9A 2s 2 mOhms 8 mOhms -
AHRF450S-1.0
AHRF450S-1.0
RFQ
RFQ
1,469
In-stock
 Littelfuse Inc. PTC RESET FUSE 16V 4.5A RADIAL PolySwitch®, AHRF Obsolete Bulk -40°C ~ 125°C AEC-Q200 Through Hole 0.409" L x 0.118" W (10.40mm x 3.00mm) 0.614" (15.60mm) Radial, Disc - 0.200" (5.08mm) Polymeric 16V 100A 4.5A 8.7A 4s 1.7 mOhms 54 mOhms -
RHEF450
RHEF450
RFQ
RFQ
3,781
In-stock
 Littelfuse Inc. PTC RESET FUSE 16V 4.5A RADIAL PolySwitch®, RHEF Discontinued at Digi-Key Bulk -40°C ~ 125°C - Through Hole 0.409" L x 0.118" W (10.40mm x 3.00mm) 0.614" (15.60mm) Radial, Disc - 0.199" (5.05mm) Polymeric 16V 100A 4.5A 7.8A 3S 22 mOhms 54 mOhms -
LR4-450F
LR4-450F
Per Unit
$0.44
 RFQ
RFQ
2,969
In-stock
 Littelfuse Inc. PTC RESET FUSE 20V 4.5A STRAP PolySwitch®, LR4 Active Bulk -40°C ~ 85°C - User Defined 0.984" L x 0.413" W (25.00mm x 10.50mm) - Strap 0.039" (1.00mm) - Polymeric 20V 100A 4.5A 8.9A 5s 11 mOhms 28 mOhms -
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