44 koa speer electronics, inc. ? 199 bolivar drive ? bradford, pa 16701 ? usa ? 814-362-5536 ? fax: 814-362-8883 ? www.koaspeer.com specifications given herein may be changed at any time without prior notice. please confirm technical specifications before you order and/or use. 1/31/08 npr surface mount molded current sense resistor features ? surface mount power resistors ? flame retardant type (ul94v0) ? current detecting resistors for power supplies, etc. ? metal plate terminals ? non-wirewound structure ? marking: black body color with teal marking ? products with lead-free terminations meet eu rohs requirements. pb located in glass material, electrode and resistor element is exempt per annex 1, exemption 5 of eu directive 2005/95/ec ordering information f: 1% j: 5% k: 10% t: sn (other termination styles may be available, please contact factory for options) 1%: 3 significant figures + 1 multiplier r indicates decimal point <100 5%, 10%: 2 significant figures + 1 multiplier r indicates decimal point <10 all values <0.1 regardless of tolerance use l as decimal ex: 91m = 91l 3.9m = 3l9 1 2 npr1- te: 7" embossed plastic (1,000 pieces/reel) npr2- teb: 13" embossed plastic (1,000 pieces/reel) npr type power rating nominal resistance tolerance termination material packaging new part # 1 te 100 j t for further information on packaging, please refer to appendix a. dimensions and construction w t l a b c c molded resin resistive element electrode .472.02 (12.00.5) .315.012 (8.00.3) .157.02 (4.00.5) .157.012 (4.00.3) .059.02 (1.50.5) npr1 npr2 c b a t w l dimensions inches (mm) .295.02 (7.50.5) .177.012 (4.50.3) .079.012 (2.00.3) .051.012 (1.30.3) .118.02 (3.00.5) .055.012 (1.40.3) .098.012 (2.50.3) size code resistors eu 1733 reader's spreads pg1-203:document 1/27/09 4:04 pm page 42
45 koa speer electronics, inc. ? 199 bolivar drive ? bradford, pa 16701 ? usa ? 814-362-5536 ? fax: 814-362-8883 ? www.koaspeer.com specifications given herein may be changed at any time without prior notice. please confirm technical specifications before you order and/or use. 12/16/08 npr surface mount molded current sense resistor absolute maximum overload voltage absolute maximum working voltage part designation rated ambient temperature operating temperature range power rating applications and ratings t.c.r. (ppm/c) max. resistance range e-24 (f1%) (j5%) (k10%) npr1 npr2 1w 2w 350v 500v 700v 1000v +70c -55c to +180c 100: r 0.1 200: r<0.1 0.1 - 10m 10m - 22m 3.9m - 9.1m derating curve surface temperature rise environmental applications % rated po wer 100 80 60 40 20 -60 -40 -20 0 4 06 08 01 001 80 70 20 ambient temperature (c) 0 -55 120 140 160 150 100 50 npr2 0 te mperature rise (c) 25 50 75 100 % r ated power 0 2 1 hot spot 1 npr1 1 npr2 2 npr1 solder joint 2 performance characteristics parameter requirement r limit typical test method resistance t.c.r. 25c +25c/+125c within regulated tolerance within specified t.c.r. overload rated voltage x 2.5 for 5 seconds 1.0% 1.0% resistance to solder heat 260c 5c, 10 seconds 1 second 1.0% 1.0% rapid change of temperature -40c (30 minutes), +155c (30 minutes), 5 cycles 1.0% 1.0% moisture resistance 40c 2c, 90 - 95% rh, 1000 hours, 1.5 hr on, 0.5 hr off cycle 2.0% 1.5% endurance at 70c 70c 2c, 1000 hours, 1.5 hr on, 0.5 hr off cycle 2.0% 0.5% low temperature operation -55c, 1 hour 0.5% 0.25% pms 300 neg. black neg. resistors ,2.. fnkmnwdx gvwnkmx vo,&-).5mulasntz ,(-2()4 /5)/ eb ekon /.
|
