one magnetics pkwy, gowanda, ny 14070 ? (t) 716-532-2234 ? (f) 716-532-2702 ? sales@gowanda.com www.gowanda.com kmsm high effciency toroidal inductors part l h current incr.i incr.i dcr srf a b c d e f number @ 1khz rating* adc** adc** ohms mhz dim dim dim dim dim dim 10% adc ? l 10% ? l 20% max. min. max. max. max. nom. nom. nom. 121km1002sm 10 8.27 5.30 9.10 .010 20.0 .940 (23.88) .940 (23.88) .510 (12.95) .700 (17.88) .820 (20.83) .080 (2.03) 121km2502sm 25 6.34 3.30 5.70 .017 8.0 .940 (23.88) .940 (23.88) .510 (12.95) .700 (17.88) .820 (20.83) .080 (2.03) 121km5002sm 50 4.77 2.30 4.00 .030 4.0 .940 (23.88) .940 (23.88) .510 (12.95) .700 (17.88) .820 (20.83) .080 (2.03) 121km7502sm 75 3.90 1.80 3.10 .045 3.0 .940 (23.88) .940 (23.88) .510 (12.95) .700 (17.88) .820 (20.83) .080 (2.03) 121km1003sm 100 3.24 1.60 2.80 .065 2.0 .940 (23.88) .940 (23.88) .510 (12.95) .700 (17.88) .820 (20.83) .080 (2.03) 121km1503sm 150 2.68 1.30 2.20 .095 1.5 .940 (23.88) .940 (23.88) .510 (12.95) .700 (17.88) .820 (20.83) .080 (2.03) 121km2503sm 250 2.07 0.90 1.70 .160 1.0 .940 (23.88) .940 (23.88) .510 (12.95) .700 (17.88) .820 (20.83) .080 (2.03) 050km1002sm 10 7.36 1.70 3.30 .010 35.0 .700 (17.78) .670 (17.02) .405 (10.28) .620 (15.75) .590 (14.99) .060 (1.52) 050km2502sm 25 5.20 1.00 1.90 .020 10.0 .700 (17.78) .670 (17.02) .405 (10.28) .620 (15.75) .590 (14.99) .060 (1.52) 050km5002sm 50 3.93 0.70 1.30 .035 7.0 .700 (17.78) .670 (17.02) .405 (10.28) .620 (15.75) .590 (14.99) .060 (1.52) 050km7502sm 75 3.47 0.60 1.10 .045 5.0 .700 (17.78) .670 (17.02) .405 (10.28) .620 (15.75) .590 (14.99) .060 (1.52) 050km1003sm 100 3.14 0.50 0.96 .055 4.0 .700 (17.78) .670 (17.02) .405 (10.28) .620 (15.75) .590 (14.99) .060 (1.52) 050km1503sm 150 2.33 0.40 0.78 .100 3.0 .700 (17.78) .670 (17.02) .405 (10.28) .620 (15.75) .590 (14.99) .060 (1.52) 050km2003sm 200 1.97 0.35 0.65 .140 2.0 .700 (17.78) .670 (17.02) .405 (10.28) .620 (15.75) .590 (14.99) .060 (1.52) 050km2503sm 250 1.84 0.31 0.59 .160 1.5 .700 (17.78) .670 (17.02) .405 (10.28) .620 (15.75) .590 (14.99) .060 (1.52) 050km3303sm 330 1.69 0.27 0.50 .190 1.0 .700 (17.78) .670 (17.02) .405 (10.28) .620 (15.75) .590 (14.99) .060 (1.52) 040KM1002SM 10 4.84 1.30 2.50 .017 35.0 .565 (14.35) .560 (14.22) .360 (9.14) .520 (13.21) .460 (11.68) .060 (1.52) 040km2502sm 25 3.38 0.70 1.30 .035 20.0 .565 (14.35) .560 (14.22) .360 (9.14) .520 (13.21) .460 (11.68) .060 (1.52) 040km5002sm 50 1.90 0.56 1.00 .110 13.0 .565 (14.35) .560 (14.22) .360 (9.14) .520 (13.21) .460 (11.68) .060 (1.52) 040km7502sm 75 1.69 0.45 0.86 .140 9.0 .565 (14.35) .560 (14.22) .360 (9.14) .520 (13.21) .460 (11.68) .060 (1.52) 040km1003sm 100 1.60 0.40 0.76 .155 6.0 .565 (14.35) .560 (14.22) .360 (9.14) .520 (13.21) .460 (11.68) .060 (1.52) 040km1503sm 150 1.45 0.33 0.60 .190 3.5 .565 (14.35) .560 (14.22) .360 (9.14) .520 (13.21) .460 (11.68) .060 (1.52) 040km2003sm 200 1.12 0.30 0.56 .320 3.0 .565 (14.35) .560 (14.22) .360 (9.14) .520 (13.21) .460 (11.68) .060 (1.52) 040km2503sm 250 1.05 0.25 0.48 .360 2.5 .565 (14.35) .560 (14.22) .360 (9.14) .520 (13.21) .460 (11.68) .060 (1.52) 030km1002sm 10 2.56 0.80 1.60 .050 35.0 .440 (11.18) .435 (11.05) .360 (9.14) .400 (10.16) .360 (9.14) .060 (1.52) 030km2502sm 25 2.16 0.50 0.96 .070 25.0 .440 (11.18) .435 (11.05) .360 (9.14) .400 (10.16) .360 (9.14) .060 (1.52) 030km5002sm 50 1.81 0.35 0.68 .100 10.0 .440 (11.18) .435 (11.05) .360 (9.14) .400 (10.16) .360 (9.14) .060 (1.52) 030km7502sm 75 1.62 0.28 0.54 .125 7.0 .440 (11.18) .435 (11.05) .360 (9.14) .400 (10.16) .360 (9.14) .060 (1.52) 030km1003sm 100 1.50 0.23 0.50 .145 6.0 .440 (11.18) .435 (11.05) .360 (9.14) .400 (10.16) .360 (9.14) .060 (1.52) 030km1503sm 150 1.33 0.20 0.40 .185 3.5 .440 (11.18) .435 (11.05) .360 (9.14) .400 (10.16) .360 (9.14) .060 (1.52) 030km2003sm 200 1.04 0.17 0.34 .300 3.0 .440 (11.18) .435 (11.05) .360 (9.14) .400 (10.16) .360 (9.14) .060 (1.52) 030km2503sm 250 .96 0.15 0.30 .355 3.0 .440 (11.18) .435 (11.05) .360 (9.14) .400 (10.16) .360 (9.14) .060 (1.52) 180km1002sm 10 1.60 0.43 0.86 .100 35.0 .340 (8.64) .340 (8.64) .270 (6.86) .300 (7.62) .270 (6.86) .060 (1.52) 180km2502sm 25 1.33 0.25 0.50 .145 30.0 .340 (8.64) .340 (8.64) .270 (6.86) .300 (7.62) .270 (6.86) .060 (1.52) 180km5002sm 50 1.12 0.18 0.35 .205 10.0 .340 (8.64) .340 (8.64) .270 (6.86) .300 (7.62) .270 (6.86) .060 (1.52) 180km7502sm 75 0.99 0.15 0.28 .260 8.0 .340 (8.64) .340 (8.64) .270 (6.86) .300 (7.62) .270 (6.86) .060 (1.52) 180km1003sm 100 0.92 0.13 0.25 .300 6.0 .340 (8.64) .340 (8.64) .270 (6.86) .300 (7.62) .270 (6.86) .060 (1.52) n otes: ? operating temperature -55c to +130c *rated current is based on a 40c temperature rise at an ambient temperature of 90c. **incremental current is the approximate value that will cause a percentage drop in inductance as indicated in the table. tape and reel specs: - 121 parts: pcs./reel maximum: 100 pitch between parts: 36 mm tape width: 44 mm reel diameter inches: 13 tape and reel specs: - 050 parts: pcs./reel maximum: 170 pitch between parts: 32 mm tape width: 32 mm reel diameter inches: 13 xxxkm xxxxsm a b to p view c side view recommended footprint e d f in. (mm) power inductors - surface mount tape and reel specs: - 040 parts: pcs./reel maximum: 290 pitch between parts: 24 mm tape width: 24 mm reel diameter inches: 13 tape and reel specs: - 030 parts: pcs./reel maximum: 430 pitch between parts: 16 mm tape width: 24 mm reel diameter inches: 13 tape and reel specs: - 180 parts: pcs./reel maximum: 750 pitch between parts: 12 mm tape width: 24 mm reel diameter inches: 13
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