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Littelfuse North American Automotive Aftermarket Catalog

Littelfuse North American Automotive Aftermarket Catalog
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Littelfuse North American Automotive Aftermarket Catalog - 1

AUTOMOTIVE AFTERMARKET CIRCUIT PROTECTION CATALOG Aftermarket Genuine OEM Circuit Protection Products

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LITTELFUSE® WORLDWIDE LEADER IN CIRCUIT PROTECTION Circuit Protection Today An overview of today’s fuse market . . . • ew vehicles contain 90 to 150 fuses throughout the N vehicle in 3 to 4 different fuse blocks. For example, the BMW 750il uses 148 fuses. • igh amperage products MAXI, MEGA, MIDI, PAL and H — JCASE fuses — make up 1 out of every 5 fuses in new vehicles. • he past decade has produced more automotive circuit T p rotection devices than the entire history of the industry. • use and circuit breaker applications have grown by 400% F in the past 10 years. • lass fuses have not...

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Littelfuse North American Automotive Aftermarket Catalog - 3

From small beginnings, through decades of innovation in circuit protection, to advancing beyond circuit protection. A History of Littelfuse Automotive Firsts For more than 75 years, Littelfuse has been the Circuit Protection manufacturer to achieve the automotive industry’s most significant accomplishments, beginning in 1927 by inventing electronic circuit protection technology with the first small fast-acting protective fuse. 1930 – Automotive fuse introduced by Littelfuse. 1950 – ittelfuse develops design of industry’s first L c entralized under dash fuseblock. 1976 – ATO blade fuse...

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Littelfuse North American Automotive Aftermarket Catalog - 4

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Littelfuse North American Automotive Aftermarket Catalog - 5

This MIDI® style fuse offers a bolt-on space saving fuse for high current wiring protection and provides time delay characteristics with “Diffusion Pill Technology”. The MIDI® was designed and patented by Littelfuse. The MEGA® Fuse is designed for high current circuit protection up to 500A with “Diffusion Pill Technology.” The MEGA® Fuse also provides time delay characteristics. Designed and patented by Littelfuse, the MEGA® Fuse is ideal for battery and alternator protection application and other heavy gauge cables requiring ultrahigh current protection. ©2013 Littelfuse Automotive...

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Littelfuse North American Automotive Aftermarket Catalog - 6

FUSEOLOGY Understanding how circuit protection works is a key to d iagnosing automotive electrical problems. When a fuse blows, that means the fuse is doing its job — sending you a message that something needs to be fixed. A fuse is a safety valve. It is designed to stop current from exceeding the rating of the wires or components. Without fuses, excessive current could cause damage to electrical systems, and even result in fires. Bold letter after fuse part number indicates fuse block location. A Left fire wall G Behind/under dash left Right fire wall H Behind/in glove box B Right fender...

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Beware of Counterfeit Fuses At first glance, it’s hard to tell the difference between a genuine Littelfuse blade fuse and a counterfeit. The counterfeit may have the same physical dimensions, but using it can be dangerous because it fails to perform to the stringent performance and safety specifications developed by Littelfuse and the OEMs. Underfusing is when the fuse is rated at a current too far below the rating of the circuit. In this case the fuse will blow, even though the circuit is functioning normally without an overcurrent. Underfusing almost guarantees that a fuse will blow...

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Littelfuse North American Automotive Aftermarket Catalog - 8

ATO® (Autofuse®) Blade Fuse Developed by Littelfuse for the automotive industry, the ATO® fuse has become the original equipment circuit protection standard for foreign and domestic automobiles and trucks. Readily identifiable and easily replaced, this fuse can be specified for a variety of low voltage electronic applications. ATO® (Autofuse®) Blade Fuse ATO® Smart Glow Blade Fuse Voltage Rating Characteristics: 32V AC/DC Fast-Acting Approvals: UL listed, CSA certified 3-30A, SAE J1284. Voltage Rating Characteristics: 14 VDC Voltage Rating: 12 VDC Operating Temperature Range: -40˚C to...

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Expertise Applied | Answers Delivered DIMENSIONS SMART GLOW ATO" TEMPERATURE RERATING CURVE ATO Fuse Temperature Rerating Curve CHARACTERISTIC CURVES TIME-CURRENT CHARACTERISTICS ©2013 Littelfuse Automotive Aftermarket Circuit Protection

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Littelfuse North American Automotive Aftermarket Catalog - 10

MINI® Blade Fuse The MINI® Fuse is quickly becoming the new standard for vehicle circuit protection. Its miniature design meets the need for more circuits to be protected while utilizing less space, and its ability to cope with high temperatures in adverse environments makes the MINI® Fuse the recommended choice for protection. MINI® Blade Fuse The MINI® Fuse is quickly becoming the new standard for vehicle circuit protection. Its miniature design meets the need for more circuits to be protected while utilizing less space, and its ability to cope with high temperatures in adverse...

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Littelfuse North American Automotive Aftermarket Catalog - 11

Dimensions MINI® Dimensions SMART GLOW MINI® Time-Current Characteristic Curves TEMPERATURE RERATING CURVE Time-Current Characteristics % of Rating ©2013 Littelfuse Automotive Aftermarket Circuit Protection

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Littelfuse North American Automotive Aftermarket Catalog - 12

Low Profile MINI® Blade Fuse The Low Profile MINI® fuse has similar performance characteristics as the standard MINI® fuse. The lower overall height allows for space and weight savings. Low Profile MINI® Blade Fuse The Low Profile MINI® fuse is designed to mate with tuning-fork terminals, which provides additional weight and material savings in fuse box designs by eliminating the need for female box terminals. Voltage Rating: 58 VDC Interrupting Rating: 1000A @ 58 VDC Operating Temperature Range: -40˚C to +125˚C Terminals: either Ag or Sn plated zinc Housing Materials: Nylon composite...

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Expertise Applied | Answers Delivered TEMPERATURE RERATING CURVE CHARACTERISTIC CURVES TIME-CURRENT CHARACTERISTICS

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MICRO2™ Blade Fuse The MICRO2TM Fuse is the new standard for vehicle circuit protection. Its sub-miniature design meets the need for more circuits to be protected while utilizing less space and its ability to cope with high temperatures in adverse environments makes the MICRO2TM Fuse the recommended choice for protection. Voltage Rating: 32 VDC Interrupting Ratings: 1000A @ 32 VDC Operating Temperature Range: -40˚C to +125˚C Time-Current Characteristic Curves Time-Current Characteristics Opening Time Min / Max (s) TEMPERATURE RERATING CURVE MICRO2™ Fuse Table BULk 4000 PC Color Code ©2013...

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