POWER INDUCTORS - SURFACE MOUNT KMSM PART NUMBER High Efficiency Toroidal Inductors L H CURRENT INCR.I @ 1kHz RATING* ADC** 10% ADC L 10% 121KM1002SM 121KM2502SM 121KM5002SM 121KM7502SM 121KM1003SM 121KM1503SM 121KM2503SM 050KM1002SM 050KM2502SM 050KM5002SM 050KM7502SM 050KM1003SM 050KM1503SM 050KM2003SM 050KM2503SM 050KM3303SM 040KM1002SM 040KM2502SM 040KM5002SM 040KM7502SM 040KM1003SM 040KM1503SM 040KM2003SM 040KM2503SM 030KM1002SM 030KM2502SM 030KM5002SM 030KM7502SM 030KM1003SM 030KM1503SM 030KM2003SM 030KM2503SM 180KM1002SM 180KM2502SM 180KM5002SM 180KM7502SM 180KM1003SM 10 25 50 75 100 150 250 10 25 50 75 100 150 200 250 330 10 25 50 75 100 150 200 250 10 25 50 75 100 150 200 250 10 25 50 75 100 8.27 6.34 4.77 3.90 3.24 2.68 2.07 7.36 5.20 3.93 3.47 3.14 2.33 1.97 1.84 1.69 4.84 3.38 1.90 1.69 1.60 1.45 1.12 1.05 2.56 2.16 1.81 1.62 1.50 1.33 1.04 .96 1.60 1.33 1.12 0.99 0.92 5.30 3.30 2.30 1.80 1.60 1.30 0.90 1.70 1.00 0.70 0.60 0.50 0.40 0.35 0.31 0.27 1.30 0.70 0.56 0.45 0.40 0.33 0.30 0.25 0.80 0.50 0.35 0.28 0.23 0.20 0.17 0.15 0.43 0.25 0.18 0.15 0.13 INCR.I ADC** L 20% DCR OHMS MAX. 9.10 5.70 4.00 3.10 2.80 2.20 1.70 3.30 1.90 1.30 1.10 0.96 0.78 0.65 0.59 0.50 2.50 1.30 1.00 0.86 0.76 0.60 0.56 0.48 1.60 0.96 0.68 0.54 0.50 0.40 0.34 0.30 0.86 0.50 0.35 0.28 0.25 .010 .017 .030 .045 .065 .095 .160 .010 .020 .035 .045 .055 .100 .140 .160 .190 .017 .035 .110 .140 .155 .190 .320 .360 .050 .070 .100 .125 .145 .185 .300 .355 .100 .145 .205 .260 .300 SRF MHz MIN. 20.0 8.0 4.0 3.0 2.0 1.5 1.0 35.0 10.0 7.0 5.0 4.0 3.0 2.0 1.5 1.0 35.0 20.0 13.0 9.0 6.0 3.5 3.0 2.5 35.0 25.0 10.0 7.0 6.0 3.5 3.0 3.0 35.0 30.0 10.0 8.0 6.0 A DIM MAX. .940 (23.88) .940 (23.88) .940 (23.88) .940 (23.88) .940 (23.88) .940 (23.88) .940 (23.88) .700 (17.78) .700 (17.78) .700 (17.78) .700 (17.78) .700 (17.78) .700 (17.78) .700 (17.78) .700 (17.78) .700 (17.78) .565 (14.35) .565 (14.35) .565 (14.35) .565 (14.35) .565 (14.35) .565 (14.35) .565 (14.35) .565 (14.35) .440 (11.18) .440 (11.18) .440 (11.18) .440 (11.18) .440 (11.18) .440 (11.18) .440 (11.18) .440 (11.18) .340 (8.64) .340 (8.64) .340 (8.64) .340 (8.64) .340 (8.64) B DIM MAX. C DIM MAX. D DIM NOM. E DIM NOM. F DIM NOM. .940 (23.88) .940 (23.88) .940 (23.88) .940 (23.88) .940 (23.88) .940 (23.88) .940 (23.88) .670 (17.02) .670 (17.02) .670 (17.02) .670 (17.02) .670 (17.02) .670 (17.02) .670 (17.02) .670 (17.02) .670 (17.02) .560 (14.22) .560 (14.22) .560 (14.22) .560 (14.22) .560 (14.22) .560 (14.22) .560 (14.22) .560 (14.22) .435 (11.05) .435 (11.05) .435 (11.05) .435 (11.05) .435 (11.05) .435 (11.05) .435 (11.05) .435 (11.05) .340 (8.64) .340 (8.64) .340 (8.64) .340 (8.64) .340 (8.64) .510 (12.95) .510 (12.95) .510 (12.95) .510 (12.95) .510 (12.95) .510 (12.95) .510 (12.95) .405 (10.28) .405 (10.28) .405 (10.28) .405 (10.28) .405 (10.28) .405 (10.28) .405 (10.28) .405 (10.28) .405 (10.28) .360 (9.14) .360 (9.14) .360 (9.14) .360 (9.14) .360 (9.14) .360 (9.14) .360 (9.14) .360 (9.14) .360 (9.14) .360 (9.14) .360 (9.14) .360 (9.14) .360 (9.14) .360 (9.14) .360 (9.14) .360 (9.14) .270 (6.86) .270 (6.86) .270 (6.86) .270 (6.86) .270 (6.86) .700 (17.88) .700 (17.88) .700 (17.88) .700 (17.88) .700 (17.88) .700 (17.88) .700 (17.88) .620 (15.75) .620 (15.75) .620 (15.75) .620 (15.75) .620 (15.75) .620 (15.75) .620 (15.75) .620 (15.75) .620 (15.75) .520 (13.21) .520 (13.21) .520 (13.21) .520 (13.21) .520 (13.21) .520 (13.21) .520 (13.21) .520 (13.21) .400 (10.16) .400 (10.16) .400 (10.16) .400 (10.16) .400 (10.16) .400 (10.16) .400 (10.16) .400 (10.16) .300 (7.62) .300 (7.62) .300 (7.62) .300 (7.62) .300 (7.62) .820 (20.83) .820 (20.83) .820 (20.83) .820 (20.83) .820 (20.83) .820 (20.83) .820 (20.83) .590 (14.99) .590 (14.99) .590 (14.99) .590 (14.99) .590 (14.99) .590 (14.99) .590 (14.99) .590 (14.99) .590 (14.99) .460 (11.68) .460 (11.68) .460 (11.68) .460 (11.68) .460 (11.68) .460 (11.68) .460 (11.68) .460 (11.68) .360 (9.14) .360 (9.14) .360 (9.14) .360 (9.14) .360 (9.14) .360 (9.14) .360 (9.14) .360 (9.14) .270 (6.86) .270 (6.86) .270 (6.86) .270 (6.86) .270 (6.86) .080 (2.03) .080 (2.03) .080 (2.03) .080 (2.03) .080 (2.03) .080 (2.03) .080 (2.03) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) .060 (1.52) TOP VIEW Notes: XXXKM XXXXSM A B * 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. SIDE VIEW C RECOMMENDED FOOTPRINT E F D tape and reel specs: Pcs./Reel maximum: Pitch between parts: Tape width: Reel diameter inches: - 121 Parts: 100 36 mm 44 mm 13 tape and reel specs: Pcs./Reel maximum: Pitch between parts: Tape width: Reel diameter inches: - 050 Parts: 170 32 mm 32 mm 13 tape and reel specs: Pcs./Reel maximum: Pitch between parts: Tape width: Reel diameter inches: - 040 Parts: 290 24 mm 24 mm 13 tape and reel specs: Pcs./Reel maximum: Pitch between parts: Tape width: Reel diameter inches: - 030 Parts: 430 16 mm 24 mm 13 tape and reel specs: Pcs./Reel maximum: Pitch between parts: Tape width: Reel diameter inches: - 180 Parts: 750 12 mm 24 mm 13 in. (mm) One Magnetics Pkwy, Gowanda, NY 14070 * (t) 716-532-2234 * (f) 716-532-2702 * sales@gowanda.com www.gowanda.com