catalog symbol: eff radial lead micro fuse 250ma to 5a 250 volts ac quick-acting (f) description: fuses are quick-acting, radial leaded micro fuses in accordance with the specif- cations of iec127-3, standard sheet 3 (type f). packaging: fuses can be provided: 1. in bulk (short lead only) or 2. on tape in standard ammo-pack boxes, to iec 286-2. weight: 573 grams per 1000. radial lead micro fuse eff quick-acting (f) 250ma to 5a, 250 volts ac form no. eff page 1 of 2 bif doc #4201 bussmann bussmann rev. 10/14/96 dimensional data r de v c e lead f b d short lead long lead a a b u s s f u s e de v s t500ma 250v dimensions mm (inches) short lead long lead a 8.35 (.3285) 8.35 (.3285) b 7.7 (.303) 7.7 (.303) c 4.3 (.1695) d 18.8 (.74) e 0.5 (.0195) 0.5 (.197) f 5.0 (.0235) 5.0 (.0235) ? 0.6 0.6 typical mv drop melting catalog measured at 75% i 2 t number* rating normal ambient a 2 sec. eff250 250ma 260 0.05 eff315 315ma 250 0.08 eff400 400ma 240 0.14 eff500 500ma 230 0.22 eff630 630ma 110 0.17 eff800 800ma 100 0.25 eff1 1a 90 0.04 eff1.25 1.25a 87 0.66 eff1.6 1.6a 85 1 eff2 2a 84 2 eff2.5 2.5a 82 3 eff3.15 3.15a 81 5 eff4 4a 80 9 eff5 5a 78 15 * please add the following prefix to the catalog number to denote packaging required: ap - ammo-pack taped 1000 per box or, bk - in bulk 100 per bag (short lead only). for example: ap/eff800 for ammo-pack and bk/eff800 for bulk pack. s preliminary data 150% 210% 275% 400% 1000% rated current min. max. min. max. min. max. max. 250ma to 5a 1 hr. 30 min. 10 ms. 3 sec. 3 ms. 300 ms. 20 ms. all are 250v ac
radial lead micro fuse eff quick-acting (f) 250ma to 5a, 250 volts ac bussmann form no. eff page 2 of 2 bif doc #4201 bussmann this bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. bussmann reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. bussmann also reserves the right to change or update, without notice, any technical information contained in this bulletin. once a product has been selected, it should be tested by the user in all possible applications. time-current characteristics?otal clear time in seconds 100 10 1 0.1 current in amperes 100 10 1 .1 .01 .001 ampere rating 0.08 0.1 0.125 0.16 0.25 0.315 0.4 0.5 0.63 0.8 1 1.25 1.6 2 2.5 3.15 4 5 0.2 r s de v preliminary data
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