SD - High Stability Storage
SD Series storage chokes provide excellent efficiency and field modulation when used as loading coils for interim energy storage with switch mode power supplies. The use of MPP cores allows compact size, a highly stable inductance over a wide bias current range and high "Q" with operating frequencies to 200kHz.
Features
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Mounting Style
Ordering Key
Electrical Specifications at 25 °C
| Part Number | IDC (Amps) |
L(µH) Typ. at rated Current |
LO(µH) ±15% No Load |
DCR mOhms Typ. |
Energy Storage (µJ)1 |
Schematic 2 Mounting Style O•F•V |
Coil Size O.D. x Ht. (a x b) |
Housing Size | Mounting Style Terminal Ød |
|||
| F | V | O | F | V | ||||||||
| SD_-0.63-400 SD_-0.63-500 SD_-0.63-630 SD_-0.63-1000 SD_-0.63-2000 SD_-0.63-2500 SD_-0.63-4000 SD_-0.63-6000 |
0.63 0.63 0.63 0.63 0.63 0.63 0.63 0.63 |
400 500 630 1,000 2,000 2,500 4,000 6,000 |
474 620 820 1,157 2,695 3,080 5,625 7,600 |
537 670 563 650 992 730 1,000 1,150 |
79 99 12 198 397 496 794 1,191 |
1•1•1 1•1•1 1•1•1 1•1•1 1•1•1 1•1•1 1•1•1 1•1•1 |
15 x 7 15 x 7 15 x 7 19 x 9 20 x 9 26 x 12 26 x 12 30 x 15 |
17 17 17 22 22 29 29 32 |
20 20 20 25 25 30 30 35 |
0.25 0.25 0.28 0.30 0.30 0.40 0.40 0.40 |
0.60 0.60 0.60 0.60 0.60 0.60 0.60 0.60 |
0.80 0.80 0.80 0.80 0.80 0.80 0.80 0.80 |
| SD_-1.0-250 SD_-1.0-500 SD_-1.0-1000 SD_-1.0-2500 SD_-1.0-4000 SD_-1.0-6000 |
1.0 1.0 1.0 1.0 1.0 1.0 |
250 500 1,000 2,500 4,000 6,000 |
323 580 1,250 4,160 5,970 9,260 |
354 210 290 550 820 970 |
125 250 500 1,250 2,000 3,000 |
1•1•1 1•1•1 1•1•1 1•1•1 1•1•1 1•2R•1 |
15 x 7 19 x 9 26 x 12 26 x 12 30 x 15 37 x 15 |
17 22 29 29 32 42 |
20 25 30 30 35 40 |
0.355 0.45 0.50 0.50 0.45 0.50 |
0.60 0.60 0.60 0.60 0.60 0.60 |
0.80 0.80 0.80 0.80 0.80 0.80 |
| SD_-1.6-160 SD_-1.6-315 SD_-1.6-400 SD_-1.6-500 SD_-1.6-1000 SD_-1.6-2500 SD_-1.6-4000 |
1.6 1.6 1.6 1.6 1.6 1.6 1.6 |
160 315 400 500 1,000 2,500 4,000 |
251 443 613 695 1,290 3,670 5,440 |
127 289 266 115 195 380 450 |
205 408 502 640 1,280 3,200 5,140 |
1•1•1 1•1•1 1•1•1 1•1•1 1•2R•1 1•1•1 1•1•- |
15 x 7 19 x 8 19 x 9 26 x 12 30 x 15 37 x 15 44 x 18 |
17 22 22 29 32 42 49 |
20 25 25 30 35 40 - |
0.50 0.355 0.40 0.71 0.63 0.63 0.63 |
0.80 0.80 0.80 0.80 0.63 0.80 0.80 |
0.80 0.80 0.80 0.80 0.80 0.80 - |
| SD_-2.0-63 SD_-2.0-100 SD_-2.0-315 SD_-2.0-630 SD_-2.0-1000 SD_-2.0-1600 SD_-2.0-2500 |
2.0 2.0 2.0 2.0 2.0 2.0 2.0 |
63 100 315 630 1,000 1,600 2,500 |
81 115 422 885 1,387 2,420 3,240 |
87 161 168 120 145 200 313 |
126 200 650 1,260 2,000 3,200 5,000 |
1•1•1 1•1•1 1•1•1 1•1•1 1•1•1 1•1•1 1•1•- |
14 x 6 19 x 8 25 x 9 26 x 12 30 x 15 37 x 15 46 x 20 |
17 22 29 29 42 42 49 |
20 25 30 30 35 40 - |
0.40 0.355 0.80 0.75 0.75 0.80 0.85 |
0.80 0.80 0.80 0.80 0.80 0.80 0.85 |
0.80 0.80 0.80 0.80 0.80 0.80 - |
| SD_-2.5-63 SD_-2.5-100 SD_-2.5-160 SD_-2.5-200 SD_-2.5-400 SD_-2.5-1000 |
2.5 2.5 2.5 2.5 2.5 2.5 |
63 100 160 200 400 1,000 |
99 129 241 275 790 1,521 |
62 122 132 70 120 125 |
197 312 489 630 1,250 3,125 |
1•1•1 1•1•1 1•1•1 1•2R•1 1•2R•1 1•2R•1 |
14 x 6 19 x 8 19 x 8 26 x 12 26 x 12 39 x 16 |
17 22 22 29 29 42 |
20 25 25 30 30 45 |
0.50 0.40 0.45 0.75 0.71 0.85 |
0.80 0.80 0.80 0.75 0.71 0.85 |
0.80 0.80 0.80 0.80 0.80 - |
| SD_-3.15-63 SD_-3.15-100 SD_-3.15-160 SD_3.15-250 SD_-3.15-630 |
3.15 3.15 3.15 3.15 3.15 |
63 100 160 250 630 |
80 157 234 570 1,122 |
62 60 86 85 110 |
312 498 794 1,240 3,125 |
1•1•1 1•1•1 1•1•1 1•2P•1 1•2R•1 |
20 x 9 19 x 8 25 x 10 26 x 12 37 x 15 |
22 22 29 29 42 |
25 25 30 30 40 |
0.50 0.60 0.60 0.56 0.90 |
0.80 0.80 0.80 0.56 0.90 |
0.80 0.80 0.80 0.80 0.90 |
| SD_-4.0-47 SD_-4.0-100 SD_-4.0-160 SD_-4.0-250 |
4.0 4.0 4.0 4.0 |
47 100 160 250 |
65 144 240 345 |
55 68 40 50 |
376 800 1,280 2,000 |
1•1•1 1•1•1 1•1•1 1•1•1 |
20 x 9 25 x 10 26 x 12 30 x 15 |
22 29 29 42 |
25 30 30 45 |
0.50 0.60 0.90 0.95 |
0.80 0.80 1.00 1.00 |
0.80 0.80 0.90 1.00 |
| SD_-5.0-47 SD_-5.0-63 SD_-5.0-100 SD_-5.0-250 |
5.0 5.0 5.0 5.0 |
47 63 100 250 |
60 91 165 357 |
44 43 27 40 |
588 797 1,250 3,125 |
1•1•1 1•1•1 2P•2P•2P 2R•1•1 |
25 x 10 25 x 10 26 x 12 30 x 16 |
29 29 29 42 |
30 30 30 45 |
0.60 0.67 0.75 1.18 |
0.80 0.80 0.75 1.18 |
0.80 0.80 0.75 1.18 |
| SD_-6.3-47 SD_-6.3-63 SD_-6.3-100 SD_-6.3-200 |
6.3 6.3 6.3 6.3 |
47 63 100 200 |
76 120 160 266 |
44 17 28 44 |
946 1,250 2,010 3,969 |
1•1•1 1•1•1 1•1•1 2P•2P•2P |
26 x 11 26 x 12 29 x 13 38 x 17 |
29 29 32 42 |
30 30 35 40 |
1.00 1.18 0.67 0.85 |
1.00 1.18 0.80 0.85 |
1.00 1.18 0.80 0.85 |
| SD_-8.0-47 SD_-8.0-63 |
8.0 8.0 |
47 63 |
63 95 |
43 12 |
1,507 2,016 |
1•1•1 2P•2P•1 |
29 x 13 30 x 15 |
32 32 |
35 35 |
0.67 0.95 |
0.80 0.95 |
0.80 0.95 |
We can assist in the design of other inductance values and sizes including pre-designed cable lug models to 63 Amps.
Notes:
- The µJoule rating (0.5 x LI²) is the ability of the inductor to store energy
- Schematic
1 = one winding
2P = two windings, Parallel Connection
2R = two windings, Series Connection - Inductance measured at 0.10Vrms @ 10kHz without DC current and 0.25Vrms @ 10kHz with DC current.
- On larger units and units wound with finer wire, additional mechanical mounting is recommended. See available Mounting Styles below.
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