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0469HWR Datasheet(PDF) 1 Page - Littelfuse |
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0469HWR Datasheet(HTML) 1 Page - Littelfuse |
1 / 4 page © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/469.html for current information. Surface Mount Fuses 469 Series Ceramic Fuse > 469 Series 469 Series – 1206 Slo-Blo® Fuse Description The 469 Series is a 100% Lead-free, RoHS compliant and Halogen-free fuse series designed specifically to provide over-current protection to circuits that operate under high working ambient temperature up to 150ºC. The general design ensures excellent temperature stability and performance reliability. The high I²t values which are typical in the Littelfuse Ceramic fuse family, ensure high inrush current withstand capability. Agency Approvals AGENCY AGENCY FILE NUMBER AMPERE RANGE E10480 1A – 8A LR29862 (Pending) 1A – 8A Features Electrical Characteristics for Series from -55ºC to +150ºC compliant and Halogen- free and lead-free reflow / wave soldering % of Ampere Rating Ampere Rating OpeningTime at 25ºC 100% 1A – 8A 4 hours, Minimum 200% 1A – 8A 1 sec., Min.; 120 secs., Max. 300% 1A – 8A 0.1 sec., Min.; 3 secs., Max. 800% 1A – 8A 0.002 sec., Min.; 0.05 sec., Max. Applications Ampere Rating (A) Amp Code Max. Voltage Rating (V) Interrupting Rating Nominal Resistance (Ohms)2 Nominal Melting I2t (A2Sec.)3 Nominal Voltage Drop At Rated Current (V)4 Nominal Power Dissipation At Rated Current (W) Agency Approvals 1001. 63 50 A @ 63 V DC pending pending 1.25 1.25 63 pending pending 1.5 01.5 63 pending pending 2 002. 63 pending pending 2.5 02.5 32 50 A @ 32 V DC pending pending 3 003. 32 pending pending 3.5 03.5 32 pending pending 4 004. 32 60 A @ 32 V DC 0.052 3.560 0.236 0.944 pending pending 5 005. 32 0.035 5.620 0.216 1.080 pending pending 6 006. 24 60 A @ 24 V DC 0.028 9.410 0.274 1.640 pending pending 7 007. 24 0.021 14.400 0.216 1.510 pending pending 8 008. 24 0.017 23.720 0.233 1.860 pending pending Electrical Specifications by Item 1. AC Interrupting Rating tested at rated voltage with unity power factor. DC Interrupting Rating tested at rated voltage with time constant < 0.8 msec. Devices designed to carry rated current for 4 hours minimum. It is recommended that devices be operated continuously at no more than 80% rated current. See “Temperature Rerating Curve”for additional rerating information. Devices designed to be mounted with marking code facing up. Revised: September 1, 2009 |
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