Welcome to Weijie Semiconductor
- Circuit Protection
- PTC Resettable Fuses
Image
Part Number
Manufacturer
Description
Unit Price
In Stock
SRP350F
Littelfuse/Hamlin
Manufacturer : Littelfuse Inc.
Packaging : Bulk
Series : PolySwitch®, SRP
Part Status : Active
Type : Polymeric
Voltage - Max : 30V
Current - Max : 100A
Current - Hold (Ih) (Max) : 3.5A
Current - Trip (It) : 6.3A
Time to Trip : 3s
Resistance - Initial (Ri) (Min) : 17 mOhms
Resistance - Post Trip (R1) (Max) : 50 mOhms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : User Defined
Package / Case : Strap
Size / Dimension : 1.185" L x 0.522" W (30.10mm x 13.25mm)
Height - Seated (Max) : -
Thickness (Max) : 0.043" (1.10mm)
Lead Spacing : -
Packaging : Bulk
Series : PolySwitch®, SRP
Part Status : Active
Type : Polymeric
Voltage - Max : 30V
Current - Max : 100A
Current - Hold (Ih) (Max) : 3.5A
Current - Trip (It) : 6.3A
Time to Trip : 3s
Resistance - Initial (Ri) (Min) : 17 mOhms
Resistance - Post Trip (R1) (Max) : 50 mOhms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : User Defined
Package / Case : Strap
Size / Dimension : 1.185" L x 0.522" W (30.10mm x 13.25mm)
Height - Seated (Max) : -
Thickness (Max) : 0.043" (1.10mm)
Lead Spacing : -
0
25796 in stock
SRP420F
Littelfuse/Hamlin
Manufacturer : Littelfuse Inc.
Packaging : Bulk
Series : PolySwitch®, SRP
Part Status : Active
Type : Polymeric
Voltage - Max : 30V
Current - Max : 100A
Current - Hold (Ih) (Max) : 4.2A
Current - Trip (It) : 7.6A
Time to Trip : 6s
Resistance - Initial (Ri) (Min) : 12 mOhms
Resistance - Post Trip (R1) (Max) : 40 mOhms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : User Defined
Package / Case : Strap
Size / Dimension : 1.240" L x 0.522" W (31.50mm x 13.25mm)
Height - Seated (Max) : -
Thickness (Max) : 0.043" (1.10mm)
Lead Spacing : -
Packaging : Bulk
Series : PolySwitch®, SRP
Part Status : Active
Type : Polymeric
Voltage - Max : 30V
Current - Max : 100A
Current - Hold (Ih) (Max) : 4.2A
Current - Trip (It) : 7.6A
Time to Trip : 6s
Resistance - Initial (Ri) (Min) : 12 mOhms
Resistance - Post Trip (R1) (Max) : 40 mOhms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : User Defined
Package / Case : Strap
Size / Dimension : 1.240" L x 0.522" W (31.50mm x 13.25mm)
Height - Seated (Max) : -
Thickness (Max) : 0.043" (1.10mm)
Lead Spacing : -
0
6216 in stock
TCF250-100T-B-0.5
Littelfuse/Hamlin
Manufacturer : Littelfuse Inc.
Packaging : Bulk
Series : PolySwitch®, TCF250
Part Status : Active
Type : Polymeric
Voltage - Max : 60V (250V Int)
Current - Max : 3A
Current - Hold (Ih) (Max) : 90mA
Current - Trip (It) : 150mA
Time to Trip : 200ms
Resistance - Initial (Ri) (Min) : 14 Ohms
Resistance - Post Trip (R1) (Max) : 24 Ohms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : Surface Mount
Package / Case : Nonstandard SMD
Size / Dimension : 0.187" L x 0.187" W (4.75mm x 4.75mm)
Height - Seated (Max) : -
Thickness (Max) : 0.091" (2.30mm)
Lead Spacing : -
Packaging : Bulk
Series : PolySwitch®, TCF250
Part Status : Active
Type : Polymeric
Voltage - Max : 60V (250V Int)
Current - Max : 3A
Current - Hold (Ih) (Max) : 90mA
Current - Trip (It) : 150mA
Time to Trip : 200ms
Resistance - Initial (Ri) (Min) : 14 Ohms
Resistance - Post Trip (R1) (Max) : 24 Ohms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : Surface Mount
Package / Case : Nonstandard SMD
Size / Dimension : 0.187" L x 0.187" W (4.75mm x 4.75mm)
Height - Seated (Max) : -
Thickness (Max) : 0.091" (2.30mm)
Lead Spacing : -
0
2381 in stock
TCF250-120T-B-0.5
Littelfuse/Hamlin
Manufacturer : Littelfuse Inc.
Packaging : Bulk
Series : PolySwitch®, TCF250
Part Status : Active
Type : Polymeric
Voltage - Max : 60V (250V Int)
Current - Max : 3A
Current - Hold (Ih) (Max) : 120mA
Current - Trip (It) : 240mA
Time to Trip : 600ms
Resistance - Initial (Ri) (Min) : 6.3 Ohms
Resistance - Post Trip (R1) (Max) : 18 Ohms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : Surface Mount
Package / Case : Nonstandard SMD
Size / Dimension : 0.217" L x 0.217" W (5.50mm x 5.50mm)
Height - Seated (Max) : -
Thickness (Max) : 0.091" (2.30mm)
Lead Spacing : -
Packaging : Bulk
Series : PolySwitch®, TCF250
Part Status : Active
Type : Polymeric
Voltage - Max : 60V (250V Int)
Current - Max : 3A
Current - Hold (Ih) (Max) : 120mA
Current - Trip (It) : 240mA
Time to Trip : 600ms
Resistance - Initial (Ri) (Min) : 6.3 Ohms
Resistance - Post Trip (R1) (Max) : 18 Ohms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : Surface Mount
Package / Case : Nonstandard SMD
Size / Dimension : 0.217" L x 0.217" W (5.50mm x 5.50mm)
Height - Seated (Max) : -
Thickness (Max) : 0.091" (2.30mm)
Lead Spacing : -
0
2366 in stock
TCF250-120T-RA-B-0.5
Littelfuse/Hamlin
Manufacturer : Littelfuse Inc.
Packaging : Bulk
Series : PolySwitch®, TCF250
Part Status : Active
Type : Polymeric
Voltage - Max : 60V (250V Int)
Current - Max : 3A
Current - Hold (Ih) (Max) : 120mA
Current - Trip (It) : 240mA
Time to Trip : 600ms
Resistance - Initial (Ri) (Min) : 6.3 Ohms
Resistance - Post Trip (R1) (Max) : 18 Ohms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : Surface Mount
Package / Case : Nonstandard SMD
Size / Dimension : 0.217" L x 0.217" W (5.50mm x 5.50mm)
Height - Seated (Max) : -
Thickness (Max) : 0.091" (2.30mm)
Lead Spacing : -
Packaging : Bulk
Series : PolySwitch®, TCF250
Part Status : Active
Type : Polymeric
Voltage - Max : 60V (250V Int)
Current - Max : 3A
Current - Hold (Ih) (Max) : 120mA
Current - Trip (It) : 240mA
Time to Trip : 600ms
Resistance - Initial (Ri) (Min) : 6.3 Ohms
Resistance - Post Trip (R1) (Max) : 18 Ohms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : Surface Mount
Package / Case : Nonstandard SMD
Size / Dimension : 0.217" L x 0.217" W (5.50mm x 5.50mm)
Height - Seated (Max) : -
Thickness (Max) : 0.091" (2.30mm)
Lead Spacing : -
0
2500 in stock
TCF250-120T-RB-B-0.5
Littelfuse/Hamlin
Manufacturer : Littelfuse Inc.
Packaging : Bulk
Series : PolySwitch®, TCF250
Part Status : Active
Type : Polymeric
Voltage - Max : 60V (250V Int)
Current - Max : 3A
Current - Hold (Ih) (Max) : 120mA
Current - Trip (It) : 240mA
Time to Trip : 600ms
Resistance - Initial (Ri) (Min) : 6.3 Ohms
Resistance - Post Trip (R1) (Max) : 18 Ohms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : Surface Mount
Package / Case : Nonstandard SMD
Size / Dimension : 0.217" L x 0.217" W (5.50mm x 5.50mm)
Height - Seated (Max) : -
Thickness (Max) : 0.091" (2.30mm)
Lead Spacing : -
Packaging : Bulk
Series : PolySwitch®, TCF250
Part Status : Active
Type : Polymeric
Voltage - Max : 60V (250V Int)
Current - Max : 3A
Current - Hold (Ih) (Max) : 120mA
Current - Trip (It) : 240mA
Time to Trip : 600ms
Resistance - Initial (Ri) (Min) : 6.3 Ohms
Resistance - Post Trip (R1) (Max) : 18 Ohms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : Surface Mount
Package / Case : Nonstandard SMD
Size / Dimension : 0.217" L x 0.217" W (5.50mm x 5.50mm)
Height - Seated (Max) : -
Thickness (Max) : 0.091" (2.30mm)
Lead Spacing : -
0
2490 in stock
TCF250-145-RB-B-0.5
Littelfuse/Hamlin
Manufacturer : Littelfuse Inc.
Packaging : Bulk
Series : PolySwitch®, TCF250
Part Status : Active
Type : Polymeric
Voltage - Max : 60V (250V Int)
Current - Max : 3A
Current - Hold (Ih) (Max) : 145mA
Current - Trip (It) : 290mA
Time to Trip : 2.5s
Resistance - Initial (Ri) (Min) : 3 Ohms
Resistance - Post Trip (R1) (Max) : 14 Ohms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : Surface Mount
Package / Case : Nonstandard SMD
Size / Dimension : 0.217" L x 0.217" W (5.50mm x 5.50mm)
Height - Seated (Max) : -
Thickness (Max) : 0.091" (2.30mm)
Lead Spacing : -
Packaging : Bulk
Series : PolySwitch®, TCF250
Part Status : Active
Type : Polymeric
Voltage - Max : 60V (250V Int)
Current - Max : 3A
Current - Hold (Ih) (Max) : 145mA
Current - Trip (It) : 290mA
Time to Trip : 2.5s
Resistance - Initial (Ri) (Min) : 3 Ohms
Resistance - Post Trip (R1) (Max) : 14 Ohms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : Surface Mount
Package / Case : Nonstandard SMD
Size / Dimension : 0.217" L x 0.217" W (5.50mm x 5.50mm)
Height - Seated (Max) : -
Thickness (Max) : 0.091" (2.30mm)
Lead Spacing : -
0
5000 in stock
TCF250-145T-B-0.5
Littelfuse/Hamlin
Manufacturer : Littelfuse Inc.
Packaging : Bulk
Series : PolySwitch®, TCF250
Part Status : Active
Type : Polymeric
Voltage - Max : 60V (250V Int)
Current - Max : 3A
Current - Hold (Ih) (Max) : 145mA
Current - Trip (It) : 290mA
Time to Trip : 1s
Resistance - Initial (Ri) (Min) : 5 Ohms
Resistance - Post Trip (R1) (Max) : 14 Ohms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : Surface Mount
Package / Case : Nonstandard SMD
Size / Dimension : 0.217" L x 0.217" W (5.50mm x 5.50mm)
Height - Seated (Max) : -
Thickness (Max) : 0.091" (2.30mm)
Lead Spacing : -
Packaging : Bulk
Series : PolySwitch®, TCF250
Part Status : Active
Type : Polymeric
Voltage - Max : 60V (250V Int)
Current - Max : 3A
Current - Hold (Ih) (Max) : 145mA
Current - Trip (It) : 290mA
Time to Trip : 1s
Resistance - Initial (Ri) (Min) : 5 Ohms
Resistance - Post Trip (R1) (Max) : 14 Ohms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : Surface Mount
Package / Case : Nonstandard SMD
Size / Dimension : 0.217" L x 0.217" W (5.50mm x 5.50mm)
Height - Seated (Max) : -
Thickness (Max) : 0.091" (2.30mm)
Lead Spacing : -
0
2490 in stock
TCF250-180T
Littelfuse/Hamlin
Manufacturer : Littelfuse Inc.
Packaging : Bulk
Series : PolySwitch®, TCF250
Part Status : Active
Type : Polymeric
Voltage - Max : 60V (250V Int)
Current - Max : 3A
Current - Hold (Ih) (Max) : 180mA
Current - Trip (It) : 380mA
Time to Trip : 3.4s
Resistance - Initial (Ri) (Min) : 1.9 Ohms
Resistance - Post Trip (R1) (Max) : 4.2 Ohms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : Surface Mount
Package / Case : Nonstandard SMD
Size / Dimension : 0.276" L x 0.276" W (7.00mm x 7.00mm)
Height - Seated (Max) : -
Thickness (Max) : 0.063" (1.60mm)
Lead Spacing : -
Packaging : Bulk
Series : PolySwitch®, TCF250
Part Status : Active
Type : Polymeric
Voltage - Max : 60V (250V Int)
Current - Max : 3A
Current - Hold (Ih) (Max) : 180mA
Current - Trip (It) : 380mA
Time to Trip : 3.4s
Resistance - Initial (Ri) (Min) : 1.9 Ohms
Resistance - Post Trip (R1) (Max) : 4.2 Ohms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : Surface Mount
Package / Case : Nonstandard SMD
Size / Dimension : 0.276" L x 0.276" W (7.00mm x 7.00mm)
Height - Seated (Max) : -
Thickness (Max) : 0.063" (1.60mm)
Lead Spacing : -
0
2500 in stock
TR600-150F-EX
Littelfuse/Hamlin
Manufacturer : Littelfuse Inc.
Packaging : Bulk
Series : PolySwitch®, TR600
Part Status : Active
Type : Polymeric
Voltage - Max : 250V (600V Int)
Current - Max : 40A
Current - Hold (Ih) (Max) : 150mA
Current - Trip (It) : 300mA
Time to Trip : 8s
Resistance - Initial (Ri) (Min) : 6 Ohms
Resistance - Post Trip (R1) (Max) : 22 Ohms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : Through Hole
Package / Case : Radial, Disc
Size / Dimension : 0.532" L x 0.236" W (13.50mm x 6.00mm)
Height - Seated (Max) : 0.496" (12.60mm)
Thickness (Max) : -
Lead Spacing : 0.197" (5.00mm)
Packaging : Bulk
Series : PolySwitch®, TR600
Part Status : Active
Type : Polymeric
Voltage - Max : 250V (600V Int)
Current - Max : 40A
Current - Hold (Ih) (Max) : 150mA
Current - Trip (It) : 300mA
Time to Trip : 8s
Resistance - Initial (Ri) (Min) : 6 Ohms
Resistance - Post Trip (R1) (Max) : 22 Ohms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : Through Hole
Package / Case : Radial, Disc
Size / Dimension : 0.532" L x 0.236" W (13.50mm x 6.00mm)
Height - Seated (Max) : 0.496" (12.60mm)
Thickness (Max) : -
Lead Spacing : 0.197" (5.00mm)
0
898 in stock
TR600-150F-EX-2
Littelfuse/Hamlin
Manufacturer : Littelfuse Inc.
Packaging : Cut Tape (CT)
Alternate Packaging
Series : PolySwitch®, TR600
Part Status : Active
Type : Polymeric
Voltage - Max : 250V (600V Int)
Current - Max : 40A
Current - Hold (Ih) (Max) : 150mA
Current - Trip (It) : 300mA
Time to Trip : 8s
Resistance - Initial (Ri) (Min) : 6 Ohms
Resistance - Post Trip (R1) (Max) : 22 Ohms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : Through Hole
Package / Case : Radial, Disc
Size / Dimension : 0.532" Dia x 0.236" T (13.50mm x 6.00mm)
Height - Seated (Max) : 0.496" (12.60mm)
Thickness (Max) : -
Lead Spacing : 0.197" (5.00mm)
Packaging : Cut Tape (CT)
Alternate Packaging
Series : PolySwitch®, TR600
Part Status : Active
Type : Polymeric
Voltage - Max : 250V (600V Int)
Current - Max : 40A
Current - Hold (Ih) (Max) : 150mA
Current - Trip (It) : 300mA
Time to Trip : 8s
Resistance - Initial (Ri) (Min) : 6 Ohms
Resistance - Post Trip (R1) (Max) : 22 Ohms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : Through Hole
Package / Case : Radial, Disc
Size / Dimension : 0.532" Dia x 0.236" T (13.50mm x 6.00mm)
Height - Seated (Max) : 0.496" (12.60mm)
Thickness (Max) : -
Lead Spacing : 0.197" (5.00mm)
0
16986 in stock
TRF250-055UT
Littelfuse/Hamlin
Manufacturer : Littelfuse Inc.
Packaging : Bulk
Series : PolySwitch®, TRF250
Part Status : Active
Type : Polymeric
Voltage - Max : 60V (250V Int)
Current - Max : 3A
Current - Hold (Ih) (Max) : 55mA
Current - Trip (It) : 170mA
Time to Trip : 5s
Resistance - Initial (Ri) (Min) : 15 Ohms
Resistance - Post Trip (R1) (Max) : 35 Ohms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : Through Hole
Package / Case : Radial, Disc
Size / Dimension : 0.189" Dia x 0.150" T (4.80mm x 3.80mm)
Height - Seated (Max) : 0.366" (9.30mm)
Thickness (Max) : -
Lead Spacing : 0.200" (5.08mm)
Packaging : Bulk
Series : PolySwitch®, TRF250
Part Status : Active
Type : Polymeric
Voltage - Max : 60V (250V Int)
Current - Max : 3A
Current - Hold (Ih) (Max) : 55mA
Current - Trip (It) : 170mA
Time to Trip : 5s
Resistance - Initial (Ri) (Min) : 15 Ohms
Resistance - Post Trip (R1) (Max) : 35 Ohms
Resistance - 25°C (Typ) : -
Operating Temperature : -40°C ~ 85°C
Ratings : -
Mounting Type : Through Hole
Package / Case : Radial, Disc
Size / Dimension : 0.189" Dia x 0.150" T (4.80mm x 3.80mm)
Height - Seated (Max) : 0.366" (9.30mm)
Thickness (Max) : -
Lead Spacing : 0.200" (5.08mm)
0
603 in stock
New Original Stock
Competitive Prices
One-stop
Customer Service
Contact Weijie
- sales@ynnelec.com
- jay@ynnelec.com
- 1132 Nanguang Jiejia Building, No. 3037 Shennan Middle Road, Futian District, Shenzhen
Customer service
Copyright © 2025 Ynnelec. All rights reserved.
webdesign www.wzdzkf.com
Powered by www.wzdzkf.com