Resettable Surface Mount Fuses

Resettable surface mount fuses are a reusable type of circuit protection device that is able to be mounted onto printed circuit boards. They trip when the current gets too high, but will function again when conditions return to an acceptable level.

How do resettable surface mount fuses work?

Resettable surface mount fuses form part of the circuit on a PCB (printed circuit board), allowing electrical current to flow through them. When a fault such as overcurrent is detected in the circuit, they are tripped, forcing a break in the circuit which prevents electricity from continuing to flow. This prevents any damage to the circuit or attached devices. Unlike non-resettable surface mount fuses, they can be used over and over, as they will reconnect the circuit when conditions return to normal.

Types of resettable surface mount fuses

Resettable surface mount fuses have a number of characteristics that can vary between models, including terminal material, voltage rating and their operating temperature range. They also come in various different sizes.


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Description Price Trip Current Voltage Rating Time to Trip Hold Current Maximum Current Length Height Width Terminal Material Minimum Resistance Maximum Resistance Power Dissipation Minimum Operating Temperature Maximum Operating Temperature
RS庫存編號 787-4195
製造零件編號1206L035/16YR
BrandLittelfuse
HK$3.455
/個 (每包:10個)
單位
- 16 V dc 0.1s 0.35 A 100 A 3.4mm 0.75mm 1.8mm Tin Plated Copper 0.3Ω 1.2Ω 0.6W -40°C +85°C
RS庫存編號 174-0318
製造零件編號0251015.MXL
BrandWickmann
HK$4,536.00
毎盒:1000 個
Box(es)
- 32 V ac/dc - - 15 A 7.11mm - 2.8 Dia.mm - - 0.004Ω - -55°C +125°C
RS庫存編號 174-0722
製造零件編號0603L075SLYR
BrandWickmann
HK$11.862
/個 (每包:50個)
單位
1.5A 6 V dc 0.2s 0.75 A 50 A 1.8mm 0.75mm 1mm Tin Plated Copper 0.005Ω 250mΩ 0.6W -40°C +85°C
RS庫存編號 647-8314
製造零件編號MF-NSMF110-2
BrandBourns
HK$2.835
/個 (每包:10個)
單位
2.2A 6 V 0.1s 1.1 A 100 A 3.4mm 0.7mm 1.8mm Electroless Nickel Immersion Gold 0.06Ω 200mΩ 0.6W -40°C +85°C
RS庫存編號 647-8083
製造零件編號MF-SM150/33-2
BrandBourns
HK$3.008
/個 (每包:10個)
單位
3A 33 V 5s 1.5 A 40 A 9.5mm 3mm 6.71mm Tin Plated Brass 0.06Ω 230mΩ 1.9W -40°C +85°C
RS庫存編號 817-1696
製造零件編號MF-RG800-0
BrandBourns
HK$8.178
/個 (每包:10個)
單位
13.6A 16 V dc 5s 8 A 40 A 12.7mm 20.9mm 3mm - 0.0056Ω 17.5mΩ 3W -40°C +85°C
RS庫存編號 174-0790
製造零件編號RF1345-000
BrandWickmann
HK$4.279
/個 (每包:20個)
單位
420mA 24 V dc 0.1s 0.2 A 100 A 3.4mm 0.82mm 1.8mm - 0.65Ω 3.1Ω 0.6W -40°C +85°C
RS庫存編號 174-0345
製造零件編號1206L075/13.2WR
BrandWickmann
HK$6,864.07
毎卷:3000 個
Reel(s)
1.5A 13.2 V dc 0.2s 0.75 A 100 A 3.4mm 1.25mm 1.8mm - 0.09Ω 350mΩ 0.6W -40°C +85°C
RS庫存編號 174-0379
製造零件編號30R400UF
BrandWickmann
HK$3.297
個 (以毎盒:200)
單位
8A 30 V dc 12.7s 4 A 40 A 14mm 22mm 3mm Tin Plated Copper 0.01Ω 50mΩ 2.5W -40°C +85°C
RS庫存編號 174-0775
製造零件編號1206L110THYR
BrandWickmann
HK$4.463
/個 (每包:20個)
單位
2.2A 8 V dc 0.1s 1.1 A 100 A 3.4mm 0.6mm 1.8mm - 0.04Ω 210mΩ 0.8W -40°C +85°C
RS庫存編號 174-0784
製造零件編號0603L050SLYR
BrandWickmann
HK$11.445
/個 (每包:50個)
單位
1A 6 V dc 0.1s 0.5 A 50 A 1.8mm 0.75mm 1mm Tin Plated Copper 0.07Ω 350mΩ 0.6W -40°C +85°C
RS庫存編號 164-8218
製造零件編號MINISMDC014F-2
BrandLittelfuse
HK$2,835.00
1 Tape of 2000 Pack(s)
Tape(s)
280mA 60 V dc 0.008s 0.14 A 10 A 3.41mm 4.73mm 0.89mm Tin 1.5Ω 0.75W -40°C +85°C
RS庫存編號 174-0899
製造零件編號RF0315-000
BrandWickmann
HK$5.685
/個 (每包:10個)
單位
1A 60 V dc 4s 0.5 A 10 A 7.98mm 3.18mm 5.44mm - 0.35Ω 1.4Ω 1.7W -40°C +85°C
RS庫存編號 817-1686
製造零件編號MF-RG400-0
BrandBourns
HK$7.159
/個 (每包:10個)
單位
6.8A 16 V dc 1.7s 4 A 20 A 8.9mm 12.8mm 3mm - 0.021Ω 60mΩ 2.4W -40°C +85°C
RS庫存編號 870-0903
製造零件編號PFRA.050
BrandSchurter
HK$3.894
/個 (每包:50個)
單位
1A 60 V dc 4s 0.5 A 40 A 7.9mm 13.7mm 3.1mm - 0.41Ω 770mΩ 0.75W -40°C 85°C
RS庫存編號 174-0454
製造零件編號RF0317-000
BrandWickmann
HK$54,018.38
毎卷:10000 個
Reel(s)
1.5A 60 V dc 0.3s 0.75 A 10 A 7.98mm 3.18mm 5.44mm - 0.35Ω 1.7W -40°C +85°C
RS庫存編號 174-0341
製造零件編號2920L500/16MR
BrandWickmann
HK$7,930.00
毎卷:1000 個
Reel(s)
10A 16 V dc 5s 5 A 40 A 7.98mm 1.6mm 5.44mm - 0.005Ω 20mΩ 2W -40°C +85°C
RS庫存編號 174-0702
製造零件編號1812L010/60DR
BrandWickmann
HK$9.912
/個 (每包:5個)
單位
300mA 60 V dc 1.5s 0.1 A 10 A 4.73mm 1.25mm 3.41mm Solder Plated Copper 1.6Ω 15Ω 0.8W -40°C +85°C
RS庫存編號 867-5264
製造零件編號MINISMDC030F-2
BrandLittelfuse
HK$3.255
個 (以毎袋:10)
單位
- 30 V dc 0.1s 0.3 A 40 A 3.41mm 4.73mm 0.89mm Tin 0.2Ω 750mΩ 0.8W -40°C +85°C
RS庫存編號 174-0788
製造零件編號30R300UU
BrandWickmann
HK$4.253
/個 (每包:10個)
單位
6A 30 V dc 10.8s 3 A 40 A 11.4mm 19.2mm 3mm Tin Plated Copper 0.02Ω 80mΩ 2W -40°C +85°C