These fall into 4 main categories, which depending on the core material, can serve various applications. These are:
All these can be progressively wound to extend the frequency range to up to 100 kHz. Simply add HF to part number and add 5% to the price.
P/N | Fig. | Ratio | Ref. Load | Ip for ±1% linearity | Volts per Amp | Ip for 30°C T.Rise | Vmax | Ls | Ls Test Voltage | DCR | Wt. | Rel. Price Index |
Ohm | Amp | V/A | Amp | Volt | H | Volt | Ohm | gm | ||||
S24 | 1 | 1000:1 | 100 | 0.50 – 32 | 0.10 | 52 | 20 | 6 | 1 | 88 | 8.1 | 1.2 |
S44 | 2 | 1000:1 | 100 | 0.50 – 52 | 0.10 | 52 | 20 | 6 | 1 | 37 | 16 | 1.0 |
S47 | 2 | 2000:1 | 100 | 1.0 – 140 | 0.05 | 133 | 60 | 24 | 1 | 98 | 16.6 | 1.2 |
S54 | 3 | 1000:1 | 100 | 1.0 – 140 | 0.10 | 120 | 75 | 6 | 1 | 45 | 34 | 1.4 |
R21 | 1 | 200:1 | 2 | 0.05 – 9.5 | 0.01 | 71 | 1.2 | 0.32 | 0.10 | 1.8 | 6.3 | 0.70 |
R22 | 1 | 500:1 | 10 | 0.50 – 11 | 0.02 | 71 | 3 | 2 | 0.10 | 12 | 6.4 | 1.0 |
R24 | 1 | 1000:1 | 100 | 0.10 – 6.2 | 0.1 | 71 | 6 | 8 | 0.10 | 48 | 6.3 | 1.2 |
R27 | 1 | 2000:1 | 100 | 0.10 – 15 | 0.05 | 80 | 12 | 32 | 0.10 | 156 | 6.5 | 1.4 |
R124 | 1 | 1000:1 | 100 | 0.04 – 8.0 | 0.1 | 62 | 9 | 12 | 1 | 80 | 7.3 | 1.4 |
R127 | 1 | 2000:1 | 100 | 0.15 – 20 | 0.05 | 78 | 18 | 48 | 1 | 210 | 7.7 | 1.6 |
R34 | 2 | 1000:1 | 100 | 0.10 – 6.0 | 0.1 | 104 | 4 | 4 | 1 | 28 | 11.3 | 0.80 |
R44 | 2 | 1000:1 | 100 | 0.004 – 11 | 0.1 | 104 | 8 | 8 | 1 | 37 | 16 | 1.00 |
R47 | 2 | 2000:1 | 100 | 0.050 – 25 | 0.05 | 102 | 15 | 32 | 1 | 163 | 12.7 | 1.20 |
C24 | 1 | 1000:1 | 100 | 0.010 – 12 | 0.1 | 70 | 12 | 4 | 0.1 – 1.0 | 70 | 9 | 1.40 |
C27 | 1 | 2000:1 | 100 | 0.20 – 30 | 0.05 | 78 | 18 | 16 | 0.1 – 1.0 | 185 | 9 | 1.60 |
N12 | 1 | 500:1 | 50 | 0.03 – 5.0 | 0.1 | 68 | 2.5 | 5 | 0.10 | 12.5 | 6.4 | 1.50 |
N14 | 1 | 1000:1 | 100 | 0.006- 8.2 | 0.1 | 54 | 10 | 25 | 0.50 | 50 | 6.4 | 1.70 |
N17 | 1 | 2000:1 | 100 | 0.10 – 18 | 0.05 | 78 | 12 | 100 | 1.00 | 157 | 6.4 | 1.90 |