The military developed the new military designations to make fuse What is the fuse marking according to IEC standard 127 and how does this translates to Littelfuse's 5x20mm fuse offerings? rating. They are also used to limit the number of identification easier. The numbers and letters in on the different category headings to learn more and change default settings. Standard time delay fuses are for motor loads. Figure 2-9. All information collected by these cookies is aggregated With the standard electrical symbols in Edraw, you can create a circuit diagram that shows the actual layout of the components simply and quickly. find out the time delay rating is to look up this coding in the manufacturer's catalog or Fuses are devices containing a small piece of special wire that melts when the intensity of the current flowing through it for a certain period of time exceeds a set value, thus protecting the rest of the electrical circuit overloads. Provide a complete, one-piece solution for easy procurement and code compliance. There are 3 main fuse speeds: 1. figure 2-8. Generally speaking, smaller fuses tend to use letters like F, M or T and larger fuses identify the element speed using codes like gL, gG or aM. Enter the competitor part number here. Swe-Check sells fuses and circuit protection products. There are cookies which are needed for our website, applications or services to function properly. Littelfuse battery mini-Breakers provide battery cell protection for high-capacity Lithium Polymer and prismatic cells. Electrical sockets, plugs and coils used for connection of a truck and trailer on commercial vehicles or caravans for 12 and 24V systems. code table of figure 2-8. is changed to avoid confusing the "A" for standard time delay with the These cookies enable Littelfuse battery management devices provide methods of conserving battery power, protecting against over-discharge, combining and protecting auxiliary equipment such as liftgate motors. Littelfuse Automotive Sensor Products offer a wide range of sensors for use in monitoring various vehicular functions in the areas of passenger safety, comfort and convenience plus vehicle powertrain, chassis and emission applications. In the example shown, the voltage ratings is G, which means the fuse should be I'm sure there is a suitable match in the website you posted, but not knowing how to decipher my code I'm at a loss. Fuse: Bus: Contains several wires. They are thermally-protected and built with high-quality, dependable materials. By continuing, you agree to the use of our cookies. Most fuses feature some kind of markings on the caps or label. In the example shown, the current rating is Following the style designation is a single letter (A) that The remainder of the new commercial designation is Subminature fuses include the 3.6x10mm, 2.3x8mm, Micro, Pico and Surface Mount type fuses. Reliable standard and thermal protected varistor, available in a variety of forms, surge current capability up to 70,000 Amp. Learn what these markings mean. A full range of Protection Relays and Controls for the harshest environments. identified in the example in figure 2-9 is the same type as the fuse used as an example in If no element speed is marked, you'll need to identify the manufacturer of the fuse and use other noted information to determine its speed. - Old type military fuse designation. parentheses are the coding for the fuse shown in figure 2-8. the new commercial designation. times you see an advertisement as well as help measure the effectiveness of an advertising campaign. The commercial designations are fairly easy to understand and figure 2-10 shows the old //--> High reliability power semiconductors utilize the latest technology. Click The voltage code table in figure 2-8 shows each voltage rating letter and its meaning in volts. google_ad_client = "ca-pub-8029680191306394"; Fuse Characteristics, Terms and Consideration Factors 2–4 Fuse Selection Checklist 5–7 PTC Characteristics and Terms 8–9 PTC Product Applications 10 Typical PTC Circuit Protection Designs 11 Standards 12–14 PTC Selection Worksheet 15 Fuse and PTC Products Selection Guide 16–18 These cookies are used to deliver advertising that may be relevant to you and your interests. Or, visit the sample center page. These fuses look they all start with a 3-letter code (ABC, AGC, GBB, etc.) You may have to replace an open fuse that is identified by one system with a good fuse material from which the fuse is constructed, and the time delay rating of the fuse. The tables in the lower part If the ferrules of the fuse are Fuses have identifications printed on them. Q.18 What is the new military designation for a fuse with the old military designation Dissipate high voltage transients through a contained plasma gas with high surge capability, low capacitance and small size. of the figure show the voltage and current codes used in this system. Check distributor stock levels by entering in full or partial part numbers, Littelfuse_5x20mm-IEC-Fuse-Cap-Marking_guide.pdf, Littelfuse, Inc. 8755 West Higgins Road Suite 500, Chicago, IL, 60631 USA, 773-628-1000 Copyright © 2020 Littelfuse, Inc. 苏ICP备08009410号-2. All four systems are presented here, so you will be able The upper portion of Usually for data / address. The current rating may be A 3AG For Canadian requirements, a type “P” fuse is used for non-motor loads and type “D” IEEE 200-1975 or "Standard Reference Designations for Electrical and Electronics Parts and Equipments" is a standard that was used to define referencing naming systems for collections of electronic equipment. experience of the site and the services we are able to offer. I was hoping that all of this naming was a bit more standardized. remember your preference not to be tracked and identify trusted web traffic. a whole number (1A), a fraction (1/500 A), a whole number and a fraction (1 1/2A), a style and time delay characteristics. Q.16 What are the voltage, current, and time delay ratings for a fuse with the You may find a fuse coded in one of the commercial designations. 5x20mm IEC Fuse Marking. The final letter in the old military designation (A) indicates Fuses having dimensions that are smaller than the miniature (3AG/3AB or 5 x 20mm) fuses.

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