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 thick film metal glaze? resistor electrical data gf series ? rugged molded jacket ? flame resistant construction ? metal glaze? thick ?lm element ? high temperature soldered termination irc type flamability marking tolerance (%) t.c. (ppm/c) irc power rating (watts @ c) gf-55 gf-07 flame resist1 flame resist1 stamp stamp 1 2, 5 50*, 100 100 1/2w @ 70c 1/2w @ 70c gf-60 gf-20 flame resist1 flame resist1 stamp stamp 1 2, 5 50*, 100 100 3/4w @ 70c 3/4w @ 70c gf-3 flame resist1 stamp 1, 2, 5 200 2w @ 70c 3w @ 25c irc type maximum voltage rating irc resistance range (ohms) mil resistance range (ohms) nominal size dimension code gf-55 gf-07 250 250 0.4 to 2m 0.4 to 2m - - 1/4w 1/4w 3 3 gf-60 gf-20 350 350 0.4 to 2m 0.4 to 2m - - 1/2w 1/2w 4 4 gf-3 750 1 to 2m - 3w 5 note: 1contact factory for details of ?ame-resistant speci?cation. *t.c. of 50 ppm/c on values of 10 ohms or greater. gf series issue october 2008 sheet 1 of 2 ???????????????? ???????????????????? ????????????? ?????????????????? ????????????????????? ???????????????? ??????????????????? ?????????????????????? ??????????????????????? ????????????????????? ?????????????????????? ????????????
? 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 physical data dimensions dim code nominal size body length bl body diameter bd lead length ll lead diameter ld clean lead 3 1/4 0.250 0.015 (6.4 0.4) 0.090 0.008 (2.3 0.2) 0.150 0.125 (38.1 3.2) 0.025 0.002 (0.64 0.05) 0.310 (7.9) 4 1/2w 0.390 0.010 (9.9 0.3) 0.140 0.008 (3.8 0.2) 0.150 0.125 (38.1 3.2) 0.025 0.002 (0.64 0.05) 0.450 (11.4) 5 3w 0.515 0.010 (13.1 0.3) 0.225 0.008 (5.7 0.2) 0.150 0.125 (38.1 3.2) 0.032 0.002 (0.81 0.05) 0.575 (14.6) thick film metal glaze? resistor ll ld bl bd gf series issue october 2008 sheet 2 of 2 sample part no. mil style gs = fixed ?lm resistor. high stability power rating 07 = 1/2 watt 20 = 3/4 watt 3 = 3 watt t.c. characteristics d = 100 ppm/c c = 50 ppm/c resistance first three digits represent signi?cant ?gures; fourth digit is number of zeros. tolerance f = 1%, g = 2%, j = 5% ordering data gf - 20 d 1002 f
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