L25S LITTELFUSE | Alldatasheet

Document overview

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Technical content

250 V ac • Very Fast-Acting • 1–800 A

Voltage Ratings Ac: 250 V Dc: 200 V–250 V Ampere Range 1 - 800 A Interrupting Rating Ac: 200 kA Dc: 20 kA Self Certified Approvals UL Recognized (File: E71611) CSA Recognized (File: LR29862) Time Constant 10ms Material Body: Melamine Caps: Copper Alloy (Silver Plated) Environmental RoHS Country of Origin Mexico Operating Temperature -55 °C to +125 °C Storage Temperature Up to 35 °C with Relative Humidity <65 % Part Numbering System L25S xxx .T Package Quantity Series Amperage (3 digit minimum) T = (1 A – 60 A) V = (70 A – 800 A) SERIES AMPERAGE CATALOG NUMBER ORDERING NUMBER L25S 1 L25S001 L25S001.T L25S 100 L25S100 L25S100.V Recommended Fuse Holders 1LFS101/1LFS102 LSCR001/LSCR002 Web Resources For additional information, visit: littelfuse.com/high-speed Note: High-Speed fuses are designed for fixed installations. They are not intended for use in moving vehicle applications.

Description

The L25S Series is a traditional North American Bolted style high-speed fuse for protection of power semiconductor devices that are rated up to 250 V ac and 200 V dc. Littelfuse POWR-SPEED® products offer optimized circuit protection at the extremely fast speed required to protect power semiconductor devices such as silicon controlled rectifiers (SCR’s), diodes, thyristors, triacs, transistors, and similar solid-state devices. These devices are used in power equipment including variable speed drives, power rectifiers, UPS systems, dc power supplies, and in a wide range of electronic equipment. May be used wherever extremely fast-acting, current-limiting fuses are used with no time delay required. Features/Benefits Compliance with US and Canadian requirements Traditional North American Bolted Style dimensions Class aR performance Direct bus-bar mount or stud mount design RoHS compliant applications

Applications

Power converters (inverters, rectifiers, UPS) Power supplies Industrial heaters Variable speed drives Battery chargers Soft starters Littelfuse.com/L25S Rev: 050319 © 2019 Littelfuse, Inc. 1 of 11 POWR-GARD® Fuse L25S SERIES TRADITIONAL HIGH-SPEED

CATALOG NUMBER AMPERAGE RATING VOLTAGE RATING INTERRUPT RATING AC DC AC DC L25S001 1 250 250 200 kA 20 kA L25S002 2 250 250 200 kA 20 kA L25S003 3 250 250 200 kA 20 kA L25S004 4 250 250 200 kA 20 kA L25S005 5 250 250 200 kA 20 kA L25S006 6 250 250 200 kA 20 kA L25S008 8 250 250 200 kA 20 kA L25S010 10 250 250 200 kA 20 kA L25S012 12 250 250 200 kA 20 kA L25S015 15 250 250 200 kA 20 kA L25S020 20 250 250 200 kA 20 kA L25S025 25 250 250 200 kA 20 kA L25S030 30 250 250 200 kA 20 kA L25S035 35 250 250 200 kA 20 kA L25S040 40 250 250 200 kA 20 kA L25S045 45 250 250 200 kA 20 kA L25S050 50 250 250 200 kA 20 kA L25S060 60 250 250 200 kA 20 kA L25S070 70 250 250 200 kA 20 kA L25S080 80 250 250 200 kA 20 kA L25S090 90 250 250 200 kA 20 kA L25S100 100 250 250 200 kA 20 kA L25S125 125 250 250 200 kA 20 kA L25S150 150 250 250 200 kA 20 kA L25S175 175 250 250 200 kA 20 kA L25S200 200 250 250 200 kA 20 kA L25S225 225 250 200 200 kA 20 kA L25S250 250 250 200 200 kA 20 kA L25S275 275 250 200 200 kA 20 kA L25S300 300 250 200 200 kA 20 kA L25S350 350 250 200 200 kA 20 kA L25S400 400 250 200 200 kA 20 kA L25S450 450 250 200 200 kA 20 kA L25S500 500 250 200 200 kA 20 kA L25S600 600 250 200 200 kA 20 kA L25S700 700 250 200 200 kA 20 kA L25S800 800 250 200 200 kA 20 kA Littelfuse.com/L25S Rev: 050319 © 2019 Littelfuse, Inc. 2 of 11 POWR-GARD® Fuse L25S SERIES TRADITIONAL HIGH-SPEED

SERIES AMPERAGE AMPERE CODE CATALOG NUMBER ORDERING NUMBER PACK QUANTITY UPC L25S 1 001. L25S001 L25S001.T 10 Pcs/Box 07945884001 L25S 2 002. L25S002 L25S002.T 10 Pcs/Box 07945884002 L25S 3 003. L25S003 L25S003.T 10 Pcs/Box 07945884003 L25S 4 004. L25S004 L25S004.T 10 Pcs/Box 07945884004 L25S 5 005. L25S005 L25S005.T 10 Pcs/Box 07945884005 L25S 6 006. L25S006 L25S006.T 10 Pcs/Box 07945884006 L25S 8 008. L25S008 L25S008.T 10 Pcs/Box 07945884008 L25S 10 010. L25S010 L25S010.T 10 Pcs/Box 07945884010 L25S 12 012. L25S012 L25S012.T 10 Pcs/Box 07945884012 L25S 15 015. L25S015 L25S015.T 10 Pcs/Box 07945884015 L25S 20 020. L25S020 L25S020.T 10 Pcs/Box 07945884020 L25S 25 025. L25S025 L25S025.T 10 Pcs/Box 07945884025 L25S 30 030. L25S030 L25S030.T 10 Pcs/Box 07945884030 L25S 35 035. L25S035 L25S035.T 10 Pcs/Box 07945884035 L25S 40 040. L25S040 L25S040.T 10 Pcs/Box 07945884040 L25S 45 045. L25S045 L25S045.T 10 Pcs/Box 07945884045 L25S 50 050. L25S050 L25S050.T 10 Pcs/Box 07945884050 L25S 60 060. L25S060 L25S060.T 10 Pcs/Box 07945884060 L25S 70 070. L25S070 L25S070.V 5 Pcs/Box 07945884070 L25S 80 080. L25S080 L25S080.V 5 Pcs/Box 07945884080 L25S 90 090. L25S090 L25S090.V 5 Pcs/Box 07945884090 L25S 100 100. L25S100 L25S100.V 5 Pcs/Box 07945884100 L25S 125 125. L25S125 L25S125.V 5 Pcs/Box 07945884125 L25S 150 150. L25S150 L25S150.V 5 Pcs/Box 07945884150 L25S 175 175. L25S175 L25S175.V 5 Pcs/Box 07945884175 L25S 200 200. L25S200 L25S200.V 5 Pcs/Box 07945884200 L25S 225 225. L25S225 L25S225.V 5 Pcs/Box 07945884225 L25S 250 250. L25S250 L25S250.V 5 Pcs/Box 07945884250 L25S 275 275. L25S275 L25S275.V 5 Pcs/Box 07945884275 L25S 300 300. L25S300 L25S300.V 5 Pcs/Box 07945884300 L25S 350 350. L25S350 L25S350.V 5 Pcs/Box 07945884350 L25S 400 400. L25S400 L25S400.V 5 Pcs/Box 07945884400 L25S 450 450. L25S450 L25S450.V 5 Pcs/Box 07945884450 L25S 500 500. L25S500 L25S500.V 5 Pcs/Box 07945884500 L25S 600 600. L25S600 L25S600.V 5 Pcs/Box 07945884600 L25S 700 700. L25S700 L25S700.V 5 Pcs/Box 07945884700 L25S 800 800. L25S800 L25S800.V 5 Pcs/Box 07945884800

Ordering Information

Note: High-Speed fuses are designed for fixed installations. They are not intended for use in moving vehicle applications. Littelfuse.com/L25S Rev: 050319 © 2019 Littelfuse, Inc. 3 of 11 POWR-GARD® Fuse L25S SERIES TRADITIONAL HIGH-SPEED

A B C D F G E H Fig. 3 AMPERE RATING FIG. NO. DIMENSIONS INCHES (MM) A B C D E F G H E H F G A B C D Fig, 2 A C D Fig. 1 Dimensions Note: High-Speed fuses are designed for fixed installations. They are not intended for use in moving vehicle applications. Figure 1 Figure 2 Figure 3 Littelfuse.com/L25S Rev: 050319 © 2019 Littelfuse, Inc. 4 of 11 POWR-GARD® Fuse L25S SERIES TRADITIONAL HIGH-SPEED

  • THIS DATA IS GENERATED IN EXCEL - 100 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 100 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 1000 900 800 700 600 500 400 300 200 100 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 1000 900 800 700 600 500 400 300 200 100 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 - 1A BASIS FOR DATA: TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: DRAWN BY: DATE: REVISION: DRAWING NO.: SHEET TIME CURRENT CHARACTERISTIC CURVES LITTELFUSE, INC. CHICAGO, IL. USA LLL 11/08/2017 A

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PROSPECTIVE R.M.S CURRENT IN AMPERE MELTING (PRE-ARCING) TIME IN SECONDS - 2A - 3A - 4A - 5A Littelfuse.com/L25S Rev: 050319 © 2019 Littelfuse, Inc. 5 of 11 POWR-GARD® Fuse L25S SERIES TRADITIONAL HIGH-SPEED

  • THIS DATA IS GENERATED IN EXCEL - 100 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 100 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 1000 900 800 700 600 500 400 300 200 100 1000 900 800 700 600 500 400 300 200 100 BASIS FOR DATA: TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: DRAWN BY: DATE: REVISION: DRAWING NO.: SHEET TIME CURRENT CHARACTERISTIC CURVES LITTELFUSE, INC. CHICAGO, IL. USA LLL 11/08/2017 A

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PROSPECTIVE R.M.S CURRENT IN AMPERE MELTING (PRE-ARCING) TIME IN SECONDS - 6A - 8A - 10A - 12A - 15A - 20A - 25A - 30A Littelfuse.com/L25S Rev: 050319 © 2019 Littelfuse, Inc. 6 of 11 POWR-GARD® Fuse L25S SERIES TRADITIONAL HIGH-SPEED

  • THIS DATA IS GENERATED IN EXCEL - 100 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 100 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 1000 900 800 700 600 500 400 300 200 100 1000 900 800 700 600 500 400 300 200 100 BASIS FOR DATA: TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: DRAWN BY: DATE: REVISION: DRAWING NO.: SHEET TIME CURRENT CHARACTERISTIC CURVES LITTELFUSE, INC. CHICAGO, IL. USA LLL 11*08/2017 A

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PROSPECTIVE R.M.S CURRENT IN AMPERE MELTING (PRE-ARCING) TIME IN SECONDS - 35A - 40A - 45A - 50A - 60A Littelfuse.com/L25S Rev: 050319 © 2019 Littelfuse, Inc. 7 of 11 POWR-GARD® Fuse L25S SERIES TRADITIONAL HIGH-SPEED

  • THIS DATA IS GENERATED IN EXCEL - 100 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 100 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 1000 900 800 700 600 500 400 300 200 100 1000 900 800 700 600 500 400 300 200 100 BASIS FOR DATA: TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: DRAWN BY: DATE: REVISION: DRAWING NO.: SHEET TIME CURRENT CHARACTERISTIC CURVES LITTELFUSE, INC. CHICAGO, IL. USA LLL 11/08/2017 A

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PROSPECTIVE R.M.S CURRENT IN AMPERE MELTING (PRE-ARCING) TIME IN SECONDS - 70A - 80A - 90A - 100A Littelfuse.com/L25S Rev: 050319 © 2019 Littelfuse, Inc. 8 of 11 POWR-GARD® Fuse L25S SERIES TRADITIONAL HIGH-SPEED

  • THIS DATA IS GENERATED IN EXCEL - 100 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 100 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 10000 9000 8000 7000 6000 5000 4000 3000 2000 1000 900 800 700 600 500 400 300 200 100 10000 9000 8000 7000 6000 5000 4000 3000 2000 1000 900 800 700 600 500 400 300 200 100 BASIS FOR DATA: TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: DRAWN BY: DATE: REVISION: DRAWING NO.: SHEET TIME CURRENT CHARACTERISTIC CURVES LITTELFUSE, INC. CHICAGO, IL. USA LLL 11/08/2017 A

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PROSPECTIVE R.M.S CURRENT IN AMPERE MELTING (PRE-ARCING) TIME IN SECONDS - 125A - 150A - 175A - 200A Littelfuse.com/L25S Rev: 050319 © 2019 Littelfuse, Inc. 9 of 11 POWR-GARD® Fuse L25S SERIES TRADITIONAL HIGH-SPEED

  • THIS DATA IS GENERATED IN EXCEL - 100 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 100 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 10000 9000 8000 7000 6000 5000 4000 3000 2000 1000 900 800 700 600 500 400 300 200 100 10000 9000 8000 7000 6000 5000 4000 3000 2000 1000 900 800 700 600 500 400 300 200 100 BASIS FOR DATA: TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: DRAWN BY: DATE: REVISION: DRAWING NO.: SHEET TIME CURRENT CHARACTERISTIC CURVES LITTELFUSE, INC. CHICAGO, IL. USA LLL 11/08/2017 A

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PROSPECTIVE R.M.S CURRENT IN AMPERE MELTING (PRE-ARCING) TIME IN SECONDS - 225A - 250A - 275A - 300A - 350A - 400A - 450A - 600A - 700A - 800A - 500A Littelfuse.com/L25S Rev: 050319 © 2019 Littelfuse, Inc. 10 of 11 POWR-GARD® Fuse L25S SERIES TRADITIONAL HIGH-SPEED

T emperature De-rating Curve (Temperature of Air Immediately Surrounding Fuse) - THIS DATA IS GENERATED IN EXCEL - BASIS FOR DATA: TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: DRAWN BY: DATE: REVISION: DRAWING NO.: SHEET TEMPERATURE RE-RATING CURVE LITTELFUSE, INC. CHICAGO, IL. USA LLL 04/04/2017 A

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20% 140°C 284°F 20% 120°C 248°F 80°C 176°F 40°C 104°F -20°C -4°F -40°C -40°F -60°C -76°F 40% 0°C 32°F 20°C 68°F 100°C 212°F 60°C 140°F PERCENT OF UPRATING AMBIENT TEMPERATURE 10% 30% 10% 30% 50% Disclaimer Notice – Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. Littelfuse.com/Product-Disclaimer Littelfuse.com/L25S Rev: 050319 © 2019 Littelfuse, Inc. 11 of 11 POWR-GARD® Fuse L25S SERIES TRADITIONAL HIGH-SPEED