1/2 c2c radial type choke coils dimensions (mm): * l 270 h ( ul tube used ), l 330 h ( pvc tube used ) * length of the terminal pins does not include solder tips. *pin pitch to be measured from the root of the terminal. electrical characteristics toko part no. inductance (h) te st freq. qu min. te st freq. dcr ( ? ? ? ? ) max. dci (a) max. srf (mhz) ref. c2c-a1r0m 1.0 20% 100 khz 85 7.96 mhz 0.013 5.6 180 c2c-a1r2m 1.2 20% 100 khz 95 7.96 mhz 0.015 4.8 160 c2c-a1r5m 1.5 20% 100 khz 110 7.96 mhz 0.0165 4.2 140 c2c-a1r8m 1.8 20% 100 khz 110 7.96 mhz 0.0185 3.8 120 c2c-a2r2m 2.2 20% 100 khz 100 7.96 mhz 0.0205 3.4 95 c2c-a2r7m 2.7 20% 100 khz 90 7.96 mhz 0.0245 3.2 80 c2c-a3r3m 3.3 20% 100 khz 90 7.96 mhz 0.0265 3.0 70 c2c-a3r9m 3.9 20% 100 khz 90 7.96 mhz 0.0305 2.6 45 c2c-a4r7m 4.7 20% 100 khz 90 7.96 mhz 0.0365 2.3 40 c2c-a5r6m 5.6 20% 100 khz 85 7.96 mhz 0.0415 2.1 33 c2c-a6r8m 6.8 20% 100 khz 85 7.96 mhz 0.0485 1.9 30 C2C-A8R2M 8.2 20% 100 khz 85 7.96 mhz 0.060 1.8 28 c2c-a100k 10 10% 1 khz 65 2.52 mhz 0.065 1.7 25 c2c-a120k 12 10% 1 khz 65 2.52 mhz 0.0815 1.5 22 c2c-a150k 15 10% 1 khz 60 2.52 mhz 0.0975 1.3 20 c2c-a180k 18 10% 1 khz 60 2.52 mhz 0.11 1.2 17 c2c-a220k 22 10% 1 khz 60 2.52 mhz 0.13 1.0 15 c2c-a270k 27 10% 1 khz 45 2.52 mhz 0.15 0.95 14 c2c-a330k 33 10% 1 khz 45 2.52 mhz 0.16 0.88 12 c2c-a390k 39 10% 1 khz 45 2.52 mhz 0.21 0.80 11 c2c-a470k 47 10% 1 khz 45 2.52 mhz 0.25 0.75 10 c2c-a560k 56 10% 1 khz 40 2.52 mhz 0.33 0.70 9.0 c2c-a680k 68 10% 1 khz 40 2.52 mhz 0.41 0.62 7.5 c2c-a820k 82 10% 1 khz 30 2.52 mhz 0.46 0.58 6.8 c2c-a101k 100 10% 1 khz 20 796 khz 0.38 0.40 6.5 c2c-a121k 120 10% 1 khz 20 796 khz 0.43 0.38 6.2 c2c-a151k 150 10% 1 khz 20 796 khz 0.55 0.33 5.4 c2c-a181k 180 10% 1 khz 20 796 khz 0.63 0.31 5.2 c2c-a221k 220 10% 1 khz 15 796 khz 0.73 0.28 4.7 * tube 7.0 max. 2.5 0.5 8.5 max. 10 min. 15 min. 0.6 0.1
2/2 toko part no. inductance (h) te st freq. qu min. te st freq. dcr ( ? ? ? ? ) max. dci (a) max. srf (mhz) ref. c2c-a271k 270 10% 1 khz 15 796 khz 0.88 0.26 4.3 c2c-a331k 330 10% 1 khz 15 796 khz 1.10 0.22 4.0 c2c-a391k 390 10% 1 khz 25 796 khz 1.4 0.20 3.5 c2c-a471k 470 10% 1 khz 25 796 khz 1.7 0.18 3.1 c2c-a561k 560 10% 1 khz 25 796 khz 2.0 0.17 2.6 c2c-a681k 680 10% 1 khz 25 796 khz 2.3 0.15 2.4 c2c-a821k 820 10% 1 khz 25 796 khz 2.6 0.14 2.2 c2c-a102k 1000 10% 1 khz 60 252 khz 3.2 0.13 2.2 c2c-a122k 1200 10% 1 khz 70 252 khz 4.2 0.12 1.9 c2c-a152k 1500 10% 1 khz 70 252 khz 5.2 0.11 1.7 c2c-a182k 1800 10% 1 khz 90 252 khz 6.8 0.10 1.6 c2c-a222k 2200 10% 1 khz 90 252 khz 7.9 0.090 1.5 c2c-a272k 2700 10% 1 khz 90 252 khz 9.8 0.080 1.3 c2c-a332k 3300 10% 1 khz 90 252 khz 12.0 0.070 1.2 c2c-a392k 3900 10% 1 khz 90 252 khz 15.0 0.065 1.1 c2c-a472k 4700 10% 1 khz 90 252 khz 17.0 0.055 1.0 c2c-a562k 5600 10% 1 khz 70 252 khz 22.0 0.052 0.82 c2c-a682k 6800 10% 1 khz 65 252 khz 25.0 0.048 0.76 c2c-a822k 8200 10% 1 khz 65 252 khz 29.0 0.044 0.71 c2c-a103k 10000 10% 1 khz 70 79.6 khz 33.0 0.040 0.65 c2c-a123k 12000 10% 1 khz 70 79.6 khz 44.0 0.036 0.55 c2c-a153k 15000 10% 1 khz 70 79.6 khz 52.0 0.032 0.51 c2c-a183k 18000 10% 1 khz 65 79.6 khz 69.0 0.028 0.44 c2c-a223k 22000 10% 1 khz 65 79.6 khz 80.0 0.026 0.40 c2c-a273k 27000 10% 1 khz 70 79.6 khz 94.0 0.022 0.37 c2c-a333k 33000 10% 1 khz 60 79.6 khz 138.0 0.020 0.36 c2c-a393k 39000 10% 1 khz 60 79.6 khz 156.0 0.018 0.34 c2c-a473k 47000 10% 1 khz 60 79.6 khz 178.0 0.016 0.31 testing instrument inductance: hp4284 or equivalent. q: hp4285a or equivalent. d.c.r: keithley 580 micro ohm meter or equivalent. s.r.f.: hp4395a or equivalent. rated current: hp4284a, hp42841a, hpe3632a, hp34401a or equivalent. -idc 1: the current when the inductance decreases to 90% of initial value. (ta=25c) -idc 2: the current when the temperature of inductor increases by 40c. (ta=25c) the rated current indicates the smaller one between idc 1 & idc 2. * test conditions of inductance: 1.0h ~ 8.2h at 100khz / 1v 10h ~ 47000h at 1khz / 1v * test conditions of unloaded q: 1.0h ~ 8.2h at 7.96mhz / 1v 10h ~ 82h at 2.52mhz / 1v 100h ~ 820h at 796khz / 1v 1000h ~ 8200h at 252khz / 1v 10000h ~ 47000h at 79.6khz / 1v 45 hoi yuen road, yau lee centre, 7/f., kwun tong, kowloon, hong kong. tel: +852-2342 8131 fax: +852-2341 9570 hk coil division toko inc.
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