{"product_id":"kentech-fb500ma-fast-blow-glass-fuse-5-x-20mm-500ma","title":"Kentech FB500MA Fast-Blow Glass Fuse (5 x 20mm, 500mA)","description":"\u003cul\u003e\n\u003cli\u003eMiniature fast-acting glass cartridge fuse engineered to protect low-power electronic circuits and sensitive components from overcurrent damage.\u003c\/li\u003e\n\u003cli\u003eFeatures a fast-blow trip curve that rapidly severs the electrical connection in the event of current spikes or short-circuit faults.\u003c\/li\u003e\n\u003cli\u003eStandardized 5 x 20mm physical dimensions with nickel-plated brass end caps for reliable conductivity and corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eClear glass tube construction offers an immediate visual check of the internal fuse element for fast troubleshooting.\u003c\/li\u003e\n\u003cli\u003eIdeal for audio gear, measurement tools, small power supplies, PCB assemblies, and general electronic equipment requiring 500mA protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eKey Features\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eFast-Acting Response: Instantly trips when current exceeds 500mA to protect delicate circuitry against overcurrent conditions.\u003c\/li\u003e\n\u003cli\u003eStandard 5 x 20mm Size: Universal physical form factor fits standard panel-mount, PCB clip, and inline 5x20mm fuse holders.\u003c\/li\u003e\n\u003cli\u003eClear Glass Tube Body: Allows easy visual inspection without requiring test equipment to confirm if the filament has blown.\u003c\/li\u003e\n\u003cli\u003eNickel-Plated End Caps: Corrosion-resistant metal caps ensure low electrical resistance and secure contact seating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eModel Code: FB500MA\u003c\/li\u003e\n\u003cli\u003eCurrent Rating: 500mA (0.5 Amps)\u003c\/li\u003e\n\u003cli\u003eVoltage Rating: 250V AC\u003c\/li\u003e\n\u003cli\u003eFuse Characteristic: Fast-Blow \/ Fast-Acting (F)\u003c\/li\u003e\n\u003cli\u003ePhysical Dimensions: 5 mm Diameter x 20 mm Length\u003c\/li\u003e\n\u003cli\u003eBody Material: Transparent Glass Tube\u003c\/li\u003e\n\u003cli\u003eCap Material: Nickel-Plated Brass\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat's in the Box\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Kentech FB500MA 500mA Fast-Blow Glass Fuse\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kentech","offers":[{"title":"Default Title","offer_id":48941174521927,"sku":"24800147","price":1.1,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0577\/6598\/6375\/files\/Shopify--2026-07-02T145001.883_84056a5f-f81f-44b4-af67-ab552115ab2f.png?v=1790169522","url":"https:\/\/philtron.co.za\/products\/kentech-fb500ma-fast-blow-glass-fuse-5-x-20mm-500ma","provider":"Philtron","version":"1.0","type":"link"}