电阻保险丝指外观形状类似电阻，部份产品用色环标示来区分电流大小，所以取名为电阻保险丝，又为PICO毕高保险丝。其按尺寸可分为：2*6 mm 、2.4*7mm、3*9mm，2.5*6mm，产品本体颜色有绿色和黄色，其中2*6 mm同3*9mm电阻保险丝外观有用到色环标示来区分电流的大小。其电流电压范围为：0.125A～15A，125V/250V。按熔断特性可分为：快速熔断电阻保险丝、慢速熔断电阻保险丝。产品取得认证有UL CSA ROHS等。该产品多为编带生产！

标准规格常有型号为：

251/253 Number code 62mA-10A/125V, 12/15A/23V/Facting acting D2.4x7mm UR/CSA/PSE

263 Number code 62mA-5A/125V/Facting acting D2.4x7mm UR/CSA

471 Number code 500mA-5A/125V/Facting acting D2.4x7mm UR/CSA/PSE

473 Number code 375mA-7A/125V/Facting acting D2.4x7mm UR/CSA/PSE

S3090 Number code, Grass green color 1A-5A/125V/250V, Fast-acting D3xL9xH59 ROHS/CCC/CE

S2560 Number code, Grass green color 1A-3A/125V/250V, Fast-acting D2.5xL6xH50 ROHS/CCC/CE

S2560B Number code, Grass green color 1A-3A/125V/250V, Fast-acting D2.5xL6xH80 ROHS/CCC/CE

R3090 Color code, Grey color 2A-5A/125V/250V, Fast-acting D3xL9xH59 ROHS/CCC/CE

R2560 Color code, Grey color 1A-3A/125V/250V, Fast-acting D2.5xL6xH50 ROHS/CCC/CE

R2560B Color code, Grey color 1A-3A/125V/250V, Fast-acting D2.5xL6xH80 ROHS/CCC/CE

C3090 Color code, Brown color 2A-5A/125V/250V, Fast-acting D3xL9xH59 ROHS/CCC/CE

C2560 Color code, Brown color 1A-3A/125V/250V, Fast-acting D2.5xL6xH50 ROHS/CCC/CE

C2560B Color code, Brown color 1A-3A/125V/250V, Fast-acting D2.5xL6xH80 ROHS/CCC/CE

W3090 Color code, Blue color 2.5A-5A/125V/250V, Fast-acting D3xL9xH59 ROHS/CCC/CE

W2560 Color code, Blue color 0.5A-3A/125V/250V, Fast-acting D2.5xL6xH50 ROHS/CCC/CE

W2560B Color code, Blue color 0.5A-3A/125V/250V, Fast-acting D2.5xL6xH80 ROHS/CCC/CE

2.4x7mm,F (62mA-10A/125V;12A-15A/32V;62mA-5A/250V); T 375mA-7A/125V

UL/CSA Approved