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usa 858 674 8100 ? ? germany 49 7032 7806 0 ? ? singapore 65 6287 8998 ? ? shanghai 86 21 54643211 / 2 ? ? china 86 755 33966678 ? ? taiwan 886 3 4641811 www.pulseeng.com 81 spm2007 (7/07) tht power inductors toroid - bare coil series low cost solutions for vrm, game console and consumer applications current range: up to 48a inductance range: 5h to 12h frequency range: up to 1mhz custom configurations are possible electrical specifications @ 25c ? operating temperature -40c to +130c part* reference data design calculation data inductance irated 2 dcr inductance build number @ irated (a) (m max) @0a dc h1 k1 k2 k3 k4 k5 (h typ) (h 20%) material 18 pg0122 0.48 30.5 2.0 0.60 t60-18 1.3 134 8.2e-03 1.2 2.3 47 3x18ga,4t material 18 pg0123 0.49 48.0 0.85 0.86 t60-18 1.7 107 8.2e-03 1.2 2.3 47 3x17ga,5t material 52 pa0690 0.50 22.5 1.5 0.88 t44-52 2.4 202 3.1e-03 1.3 2.1 80 1x16ga,5t material 8/90 pa0235l 0.67 22.5 2.6 0.86 t50-8/90 2.8 128 6.4e-03 1.1 2.4 64 1x17ga,7t material 52 pa0689 0.80 21.5 2.0 1.70 t44-52 3.3 144 3.1e-03 1.3 2.1 80 1x16ga,7t material 52 pa0430l 0.86 37.5 1.6 1.96 t68-52 2.1 80 8.8e-03 1.3 2.1 42 2x16ga,7t material 52 p1967l 0.93 23.8 3.8 1.44 t68-52 1.8 93 8.8e-03 1.3 2.1 42 1x16ga,6t material 52 pg0116 1.02 14.9 4.2 1.70 t44-52 3.3 144 3.1e-03 1.3 2.1 80 1x18ga,7t material 52 pa0489l 1.05 19.0 2.7 2.24 t44-52 3.8 126 3.1e-03 1.3 2.1 80 1x16ga,8t material 52 pg0112 1.10 13.8 7.0 2.50 t50-52 3.6 99 4.2e-03 1.3 2.1 64 3x22ga,9t material 52 p1715l 1.81 14.3 5.0 3.50 t44-52 4.7 101 3.1e-03 1.3 2.1 80 1x17ga,10t material 52 pa0431l 3.22 20.5 5.5 7.80 t68-52 4.2 40 8.8e-03 1.3 2.1 42 1x16ga,14t material 52 PA0432L 5.00 20.5 7.5 12.10 t80-52 4.2 25 1.4e-02 1.3 2.1 32 1x16ga,17t *note: rohs compliant parts are being introduced. please contact pulse for rohs compliant part availability. if available, order part b y adding the suffix ? nl ? to the part number (i.e. pg0122 becomes pg0122 nl ).
usa 858 674 8100 ? ? germany 49 7032 7806 0 ? ? singapore 65 6287 8998 ? ? shanghai 86 21 54643211 / 2 ? ? china 86 755 33966678 ? ? taiwan 886 3 4641811 www.pulseeng.com 82 spm2007 (7/07) 1. the temperature of the component (ambient plus temperature rise) must be within the stated operating temperature range. 2. the rated current is the current that will cause the temperature of the part to increase by 40c with 3.6 volt * sec across the component and 100lfm of forced air cooling. 3. to determine the inductance of a component at a different operating current, use the graph below for the appropriate material type. 4. in high volt-sec applications additional heating may occur due to core losses in the inductor which may necessitate derating the current in order to limit the temperature rise of the component. in order to determine the approximate total losses (or temperature rise) of the component in particular applications, the following formulas can be used. estimated temperature rise: trise = airflowfactor * k5 * (coreloss(w) + copperloss(w)) .833 (c) where airflowfactor = 1 (no air flow), 0.53 (100lfm), 0.39 (200lfm), 0.35 (300lfm), 0.30 (400lfm) copperloss = irms 2 * dcr_typical (m ) / 1000 dcr_typical (m ) = .85 * dcr_max(from table) coreloss = k2 * (freq_khz) k3 * ( b/2000) k4 b = k1 * volt-sec notes from tables
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f.-+. tht power inductors toroid - bare coil series " mechanical schematic dimensions (in/mm) dimensions: inches mm part no. a b c d e f pg0122 .807 .374 .748 .126 .098 .354 20,50 9,50 19,00 3,20 2,50 9,00 pg0123 .807 .413 .748 .126 .106 .354 20,50 10,50 19,00 3,20 2,68 9,00 pa0690 .625 .345 .545 .129 .052 .300 15,90 8,80 13,80 3,30 1,30 7,60 pa0235l n/a .400 .660 .150 .050 .300 10,20 16,80 3,80 1,30 7,60 pa0689 .625 .345 .545 .129 .052 .300 15,90 8,80 13,80 3,30 1,30 7,60 pa0430l .874 .374 n/a .250 n/a .245 22,20 9,50 6,40 6,20 p1967l .906 .492 .906 .130 .055 .300 23,00 12,50 23,00 3,30 1,40 7,60 pg0116 .571 .276 .571 .126 .041 .276 14,50 7,00 14,50 3,20 1,05 7,00 pa0489l .604 .323 .556 .157 .048 .250 15,30 8,20 14,10 4,00 1,20 6,40 pg0112 .630 .374 .630 .126 .063 .295 16,00 9,50 16,00 3,20 1,60 7,50 p1715l .610 .325 n/a .130 .045 .300 15,50 8,30 3,30 1,10 7,60 pa0431l .874 .374 n/a .250 .054 .240 22,20 9,50 6,40 1,40 6,10 PA0432L .980 .440 .980 .250 .054 .310 24,90 11,20 24,90 6,40 1,40 7,90

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