four-terminal current-sensing wirewound resistor 4lpw series tc = 40ppm/c 3 wats to 15 wats 0.005 ohm to 1.0 ohm 1%, 2, 3, 5, 10% tolerance flameproof constructon general note irc reserves the right to make changes in product speci?cation without notice or liability. all information is subject to ircs own data and is considered accurate at time of going to print. a subsidiary of tt electronics plc ? 4222 south staples street ? corpus christi texas 78411 usa wire and film technologies division telephone: 361 992 7900 ? facsimile: 361 992 3377 ? website: www.irctt.com four-terminal current-sensing wirewound resistor electrical data 4lpw series ? tc = 40ppm/c ? 3 watts to 15 watts ? 0.005 ohm to 1.0 ohm ? 1%, 2, 3, 5, 10% tolerance irc type power @ 25c (watts) max. current (amps) resistance range (ohms) 4lpw-3 3 10 .005 to 1.0 4lpw-5 4lpw-7 5 7 10 20 .005 to 1.0 .01 to 1.0 4LPW-10 4lpw-15 10 15 20 20 .01 to 1.0 .01 to 1.0 please note: when ordering the alternate con?guration please add an "a" after the part number. (4lpw-3a) standard con?guration alternate con?guration dimensions (inches (mm)) irc type l .063 (1.6) w .03 (.8) h .03 (.8) s .062 (1.6) d diameter e .03 (.8) 4lpw-3 .88 (22.4) .31 (7.87) .31 (7.87) .563 (14.3) .036* (.9) .38 (9.65) 4lpw-5 .88 (22.4) .38 (9.65) .35 (8.89) .563 (14.3) .036* (.9) .41 (10.4) 4lpw-7 1.39 (35.3) .38 (9.65) .35 (8.89) 1.013 (25.7) .036* (.9) .47 (11.9) 4LPW-10 1.88 (47.8) .38 (9.65) .35 (8.89) 1.388 (35.3) .036* (.9) .47 (11.9) 4lpw-15 1.88 (47.8) .50 (12.7) .50 (12.7) 1.388 (35.3) .036* (.9) .63 (16.0) ty pe 4lpw l d 1.50 .062 (38.1 1.6) s d 1.0 (25.4) min. 1/8 max. w h e ty pe 4lpw -a ?current? leads ?sense? leads all welded terminations, ceramic fireproof housing 4lpw series issue october 2008 sheet 1 of 2 current leads sense leads all welded terminations, ceramic freproof housing ma ke p ossibl e resistors all pb-free parts comply with eu directve 2011/65/eu (rohs2) all pb-free parts comply with eu directve 2011/65/eu (rohs2) 06.15 general note tt electronics reserves the right to make changes in product specifcation without notice or liability. all information is subject to tt electronics own data and is considered accurate at time of going to print. ? tt electronics plc www.ttelectronicsresistors.com
four-terminal current-sensing wirewound resistor 4lpw series ? 4222 south staples street ? cor pus chr isti t e xas 78411 usa wire and film t ec hnologies division t elephone: 361 992 7900 ? f acsimile: 361 992 3377 ? w ebsite: www .irctt.com sample p ar t no. irc t ype 4lpw p o wer 3 = 3w , 5 = 5w , 7 = 7w , 10 = 10w , 15 = 15w resistance rang e expressed in ohms (standard eia/mil v alues) t olerance rohs indicator f = 1%, g = 2%, h = 3%, j = 5%, k = 10% lf indicates rohs compliance / omit this code for snpb finish order ing data f 0 1 0 r 5 1 w p l 4 lf f our-t er minal current-sensing wire w ound resistor t emper ature rise char t p o w er der ating cur v e 250 200 150 100 50 0 0 20 40 60 80 100 120 p er cent rated load hot spot t emperature (c) 4lpw -3 4lpw -5 4lpw -7 4lpw -15 4lpw -10 100 80 60 40 20 0 0 50 100 150 200 250 ambient t emperature (c) p er cent rated load 4lpw -3, 5, 7, 10 4lpw -15 max. recommended ambient oper ating t emper ature 150c 4lpw ser ies issue october 2008 sheet 2 of 2 ma ke p ossibl e 06.15 general note tt electronics reserves the right to make changes in product specifcation without notice or liability. all information is subject to tt electronics own data and is considered accurate at time of going to print. ? tt electronics plc www.ttelectronicsresistors.com
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