What Do You Need to Know about Automotive Fuses
For automotive fuses, let's first understand: fuses are common names, their scientific name is fuse, but we usually refer to them as fuses. Their basic function is to protect the circuit when overcurrent occurs.
Generally speaking, fuses mainly have two important parameters: rated current and rated voltage. We usually choose the corresponding specifications of fuses based on the current and voltage of the circuit. Automotive fuses generally adopt a plug-in design, with a plastic outer shell wrapped in a molten structure made of zinc or copper, and a metal melt connected to the pins.
The specifications of automotive fuses are generally 2A to 40A, and there will be a label at the top of the fuse. In general, fuses with different amperes have different colors, and according to international standards, we can identify the ampere number by color. For example: 2A gray, 3A purple, 4A pink, 5A orange, 7.5A coffee, 10A red, 15A blue, 20A yellow, 25A colorless transparent, 30A green, 40A deep orange.
Because every device in a car is equipped with a fuse, and there are many parts and equipment in the car, to facilitate future maintenance, each car will have a fixed place to collect all the fuses, which is called a fuse box.

Fig.1
- +1 Like
- Add to Favorites
This document is provided by Sekorm Platform for VIP exclusive service. The copyright is owned by Sekorm. Without authorization, any medias, websites or individual are not allowed to reprint. When authorizing the reprint, the link of www.sekorm.com must be indicated.
Recommend
How Many Types of Fuses are There?
2023-12-28 - Design Article Below is an introduction to the classification by type, which can be divided into current fuses: patch fuses, miniature fuses, plug-in fuses, and tubular fuses; Temperature fuse: RH square type, RP resistance type, RY metal case; Self recovery fuse: plug-in, laminated, patch.
The Current Development Status and Pattern Changes of The Automotive Fuse Industry.automotive Blade Fuse Specification
2024-01-27 - Design Article In daily life, automotive electronics can be seen everywhere, marking the development of a city. Therefore, the development of the automotive industry also drives the development of the fuse industry. Automotive insurance has a relatively rapid development in the industry.
Why are Domestic Fuses Cheap?
2024-01-07 - Design Article When choosing fuses, although they are of the same type, there are still differences. For example, the prices, quality, and parameters of fuses produced by domestic, foreign, and different fuse manufacturers may vary. Especially in terms of price, domestic fuses are cheaper than foreign ones. Why is this? There are also reasons from the fuse manufacturer.
Essential Knowledge for Selecting Automotive Fuses
2023-12-10 - Technical Discussion When a certain overload current passes through, the heat generated is radiated to the surrounding environment through the melt and shell, and the heat dissipated through convection, conduction, and other means gradually reaches a balance with the heat generated. If the generated heat is greater than the dissipated heat, the melt temperature can increase; When the temperature reaches or exceeds the melting point of the melt, the melt melts, fuses, and cuts off the current, playing a role in safety protection of the circuit.
Selection of Current Fuses in Automotive Circuits
2024-11-16 - Technical Discussion In automotive circuits, the selection of current fuses is of great significance for ensuring the safe operation of the vehicle. There are several key factors to consider when choosing a current fuse for an automotive circuit.
Protect Your Car from the Details- Car Fuses
2024-08-14 - Technical Discussion Car fuse is a critical safety device that can quickly cut off the current in case of circuit overload or short circuit, preventing damage to the electrical system and even causing a fire. Our car fuses are made of high-quality materials with excellent conductivity and high temperature resistance, ensuring stable operation under various extreme conditions.
The Application of Self Recovery Fuses in Automotive USB Systems
2024-01-18 - Technical Discussion Nowadays, cars generally come with USB 3.0 ports. In addition to overcurrent and overvoltage protection, sensitive electronic devices using high-speed interfaces such as USB and HDMI also require electrostatic discharge (ESD) protection. Three different types of circuit protection devices can help avoid these potential destructive events.
Micro blade fuses and cartridge Space-saving automotive fuses
August 2019 - Datasheet
ATR-15,BP/ATR-10-RP,BP/ATR-A7-RPP,FMS-30,BP/FMS-30-RP,CDY10TRY-FLNK1,BP/FMS-15-RP,FMM-40,FMS-25,BP/FMM-20-RP,ATR-7-1/2,ATR-10,BP/FMS-40-RP,BP/FMS-25-RP,BP/FMS-60-RP,BP/FMM-30-RP,BP/FMM-40-RP,BP/ATL -A4-RPP,FMS-40,BP/ATR-30-RP,BP/FMS-50-RP,NO.136,BP/ATR-5-RP,BP/ATR-7-½-RP,FMM-15,BP/ATR-20-RP,FMS-50,ATL-15,FMM-20,BP/FMM-15-RP,FMM-25,ATL-5,ATR-30,BP/ATR-25-RP,ATR-5,ATL-10,ATR-25,FMM,ATL-7-1/2,FMS-20,CDY10TRY-MICRO,FMS,FMS-60,BP/ATR-15-RP,FMS-15,BP/FMM-25-RP,FMM-30,ATL,BP/FMS-20-RP,ATR-20,ATR
AEM Automotive Grade Surface Mount Fuses Meet New Regulation of AEC-Q200 Rev E
2023-10-26 - Manufacturer News AEM is well-known in the industry and market for providing one of the most extensive and comprehensive surface mount fuses for circuit protection. AEC-Q200 Rev E qualified AEM fuses are manufactured at the ISO14001 & IATF16949 certified facility. AEM surface mount fuses are setting a new standard for reliable performance for automotive electronics and electric vehicle applications.
Littelfuse First to Release AEC-Q200 Rev E Qualified Fuses Developed for Demanding Automotive Grade Applications
2023-07-11 - New Product Introduction “Littelfuse is proud to be the first in the market to have a full complement of AEC-Q200 Rev E-qualified fuses, setting a new standard in the industry,“ said Daniel Wang, Director of Product Management at Littelfuse.
SolidMatrix® Automotive Surface Mount Fuses QF0603F Series
2024年11月 - Datasheet
QF0603F1A00T,QF0603F6A00T,QF0603F5A00T,QF0603F2A00T,QF0603F3A00T,QF0603F4A00T,QF0603F2A50T,QF0603F3A50T,QF0603F1A50T
AUTOMOTIVE PASSENGER CAR CATALOG
AUTOMOTIVE FUSES Product introduction BLADE FUSES CARTRIDGE FUSES HIGH CURRENT FUSES SMD FUSES CABLE/PAL FUSES HIGH VOLTAGE FUSES Shunts/Diodes/Resistors Fuse General knowledge
2022/9/9 - Selection guide 0998150._,142.5631.6202,0695040.PXPS,0297015._,0895020_,0HEV040.XXX,0898300._,0HEVXXX.ZXPCB,157.5701.5401,10EVXXX.ZXPY,142.7010.XXXX,0337010._,0298150.ZXEH-LT,0898225._,0299040._,142.5395.6172,SHEV080.ZXBD,0888250._,157.5701.5631,0297004._,0297900._,0899025.Z,0999060._,157.5916.6101,283 SERIES,153.XXXX.580_,0898060._,156.5610.570_,10EV020.XXX,4998100.M_,0498060._,142.7010.6102,0317030.M,3298350.H,3998425._,0999070._,0895030_,0498XXX.MXM6,0888XXX.U-1M6,0888XXX.U-1M8,0498070._,156.5611.5301,157.5916.XXX1,3998500._,099707.5_,05980016Z-CN,0317020.M,0299XXX.ZXNV,4998030.M_,0327005._,3998250._,0997XXX.WXN,0297003._,3298XXX.ZXM10,142.5395.6152,153.1612,153.XXXX.570_,157.5916.6201,157.5916.5351,156.5610.560_,0891005._,0998500._,157.5701.6501,10EVXXX.ZXPCB,3998175._,142.7010.6122,0695015.PXPS,0287040._,0898400._,0327015._,0299XXX.ZXT,0298XXX.ZXEH,155.0892.5501,0298250._,153.3502,0899035.Z,0895040_,0299050._,0998175._,0298175._,3998160._,157.5916.6251,157.5916.6131,156.5677.530_,153.0000,10EVXXX.ZXBDP,0891XXX.NXS,0287030._,0HEV015.XXX,3298250.H,0298175.ZXEH-LT,0287XXX.U,4998XXX.M-1M6,157.5701.6401,20EV070.ZXBDM,0287XXX.H,156.5611.6101,0287XXX.L,3298250.Z,0998250._,0HEVXXX.ZXPCBL2,153.XXXX.620__,0888XXX.U-NH,0498XXX.MXT,10EVXXX.ZXISO,02400094,0895050_,02400120P,3298175.Z,05980015Z-CN,153.2512,294 SERIES,0498125._,0298125.ZXEH-UL,20EV100.ZXBDM,156.5611.XXX1,3298175.H,0498XXX.MXT-CN,3298350._,156.5677.540_,SHEVXXX.ZXBD,0498200._,0327003._,0317XXX.M,3998600._,157.5700.5801,0337XXX.PX2S,157.5917.5801,157.5701.6421,156.5677.550_,0297XXX.WXNV-CN,157.5701.6301,0299060._,0999080._,0297005._,153.2502,153.0010.XXX2,157.5916.6121,0695020.PXPS,0498080._,156.5610.580_,0298350._,0495900.Z,155.0892.5751,3998150._,142.7010.6202,0495900.X,142.5631.5302,157.5700.5631,153.XXXX.6502,0898150._,3298900._,0298500._,0299XXX.TXN,153.7000.XXX2,153.XXXX.540_,3298900.Z,4998125.M_,157.5701.6331,157.5917.6101,156.5610.530_,0298150._,142.5395.6102,142.5395.6222,0298100.ZXEH-UL,3298125.Z,0HEVXXX.ZXPY,0695060.PXPS-HT,4998XXX.M-M6,3298125._,0327025._,157.5700.5501,0HEV030.XXX,0998350._,0495XXX.ZXA,4998080.M_,157.5701.6201,157.5917.6231,3298125.H,157.5917.6351,156.5677.560_,3298080.H,0495025_,157.5701.5351,3298080._,0898500._,3298XXX.Z,3298080.Z,155.0892.6101,0337003._,0HEV050.XXX,0287020._,3298500.ZXSTA,3298XXX.H,142.0020.XXXX,02400112P,0297010._,0695040.PXPS-HT,3298200.H,157.5917.6121,156.5611.6111,0HEVXXX.ZXISO2,153.XXXX.530_,157.5701.6351,0299070._,157.5701.XXX1,0298275.ZXEH-LT,157.5701.6231,142.5395.6202,0HEV010.XXX,155.0892.6251,0287010._,157.5916.5501,SHEV060.ZXBD,153.XXXX.6402,3298200._,0HEVXXX.ZXC,3298200.Z,4998200.M_,142.5631.6152,02400111P,0999040._,153.5631.XXX2,157.5701.6101,4998XXX.M-NH,153.5631.XXX1,157.5917.6251,0695XXX.PXP,031707.5M,20EV080.ZXBDM,156.5611.6121,0498100._,0899060.Z,882-853,882-854,155.0892.6121,157.5916.5631,3998070._,157.5700.6401,142.5631.6122,0998XXX.UX-2M8,0898175._,157.5701.6131,153.1602,157.5701.6251,0999050._,153.XXXX.560_,0998XXX.UX-2M6,155.0892.XXX1,3298100._,0327900._,0298XXX.UX1M8,0299080._,3298100.Z,0998450._,0498XXX.MXTM6-CN,0297002._,0895025_,157.5917.6151,156.5677.580_,0297025._,0891030._,142.5395.6252,3998225._,157.5701.6121,156.5610.550_,157.5917.6161,3298100.H,157.5917.6281,02400113P,10EVXXX.ZXPCBL,155.0892.6301,0998XXX.UX-NH,0298XXX.UXT,157.5700.6501,0337900._,142.7010.6152,0298040._,157.5701.6151,0287001._,3998300._,142.5631.6102,157.5701.6271,0498XXX.M-CN,0327010._,032707.5_,3998400._,0998XXX.UX-1M8,0498XXX.MXM6-CN,153.XXXX.550_,156.5611.6151,0997004_,0695025.PXP,0998XXX.UX-1M6,142.5395.6122,153.7010.XXX2,157.5917.6171,029707.5_,0287035._,3998XXX.ZXM10,157.5700.5401,294C SERIES,0327XXX.LXS,02400103_,0997005_,033707.5_,157.5701.6141,156.5610.540_,3298600.ZXSTA,293 SERIES,028707.5_,0891XXX.U,0898250._,142.5395.XXXX,0891XXX.H,155.0892.6201,SHEV150.ZXBD,02400115P,142.5631.XXXX,0317010.M,4998150.M_,0287002._,0287025._,157.5701.6171,32980001ZXM8,157.5917.6501,0695XXX.PXP-HT,0298060._,4998060.M_,0997002_,156.5610.611_,0891020._,0495040_,142.7010.5802,3998900._,20EV125.ZXBDM,157.5916.5801,0317900.M,153.XXXX.6222,157.5700.5351,0HEVXXX.ZXP2Y,02400106P,153.XXXX.6102,02400118P,876-199,157.5700.6201,3998125._,02400105Z,0298250.ZXEH-LT,157.5701.6161,0895XXX.T,0298300._,0895XXX.U,0695025.PXPS,153.XXXX.610_,0998100._,0899040.Z,156.5610.612_,0997003_,0997015_,SHEV100.ZXBD,0317015.M,0297030._,142.5631.5802,902-192,0287003._,0HEVXXX.ZXPCB2,0297XXX.WXT,3298400._,0297XXX.WXNV,0891XXX.NXWS,156.5610.625_,0899030.Z,0899XXX.Z,0299025._,3998200._,142.7010.5702,0495050_,0HEVXXX.ZXPCBL,153.XXXX.6122,0317005.M,2938 SERIES,0895XXX.Z,157.5700.6301,02400108P,157.5700.6421,0495XXX.UXA,3998080._,10EV040.XXX,3298400.ZXSTA,153.XXXX.612_,0898350._,0327020._,3298060.H,0997025_,0297XXX.H,3298400.H,0888300._,3298060.Z,0297XXX.L,SHEV070.ZXBD,05980020Z,153.XXXX.6252,0695050.PXPS,0298XXX.ZXEH-UL,02400107P,0297XXX.U,153.0020.XXX2,0287004._,0327030._,0298XXX.ZXH,0997010_,0298XXX.UXP-1M8,0298XXX.UXP-1M6,0498XXX.MXTM6,0498175._,153.5395.XXXX,157.
Electronic Mall
Integrated Circuits
Discrete Components
Connectors & Structural Components
Assembly UnitModules & Accessories
Power Supplies & Power Modules
Electronic Materials
Instrumentation & Test Kit
Electrical Tools & Materials
Mechatronics
Processing & Customization
