 
WBC Series
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| A | B | C |
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| WBC1-1L_ | A | 1 : 1 | 0.400–600 | 0.40 | 10 | 120 | 10 | 120 | — | Brown |
| WBC1-1TL_ | B | 1 : 1 | 0.250–750 | 0.58 | 9.5 | 75 | 9.5 | 75 | 36 | Brown |
| WBC2-1TL_ | B | 1 : 2 | 0.200–500 | 0.50 | 10 | 120 | 20 | 150 | 8.5 | Red |
| WBC3-1TL_ | B | 1 : 3 | 0.300–900 | 0.60 | 9 | 100 | 27 | 150 | 8.5 | Orange |
| WBC4-1TL_ | B | 1 : 4 | 0.250–750 | 1.0 | 9 | 55 | 36 | 120 | 30 | Yellow |
| WBC4-14L_ | B | 1 : 4 | 1.500–1200 | 2.0 | 2 | 50 | 8 | 100 | 15 | Green |
| WBC4-1WL_ | B | 1 : 4 | 0.500–1000 | 0.90 | 5 | 80 | 20 | 120 | 10 | White |
| WBC4-6TL_ | B | 1 : 4 | 0.300–700 | 0.65 | 9 | 80 | 36 | 200 | 7.5 | Blue |
| WBC8-1L_ | B | 1 : 8 | 0.150–600 | 0.60 | 22 | 120 | 176 | 310 | 17 | Gray |
| WBC9-1L_ | B | 1 : 9 | 0.300–500 | 0.54 | 9 | 80 | 81 | 230 | 5 | White |
| WBC16-1TL_ | B | 1 : 16 | 0.600–300 | 0.80 | 5 | 80 | 80 | 230 | 5 | Violet |
| WBC4-4L_ | C | 1 : 4 | 0.250–800 | 1.0 | 9 | 60 | 36 | 120 | 30 | Yellow |
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| 1 | When ordering, please specify termination and packaging codes: e.g. WBC16-1TLC | |
| Termination: |
L = RoHS compliant tin-silver-copper (95.5/4/0.5) over silver-palladium-platinum-glass frit Special order, added cost: S = non-RoHS tin-lead (63/37). |
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| Packaging: | C = 7"
machine-ready reel EIA-481 embossed plastic tape (750 parts per full reel). B = Less than full reel In tape but not machine-ready. To have a leader and trailer added ($25 charge), use code letter C instead. D = 13" reel, machine-ready EIA-481 embossed plastic tape. Factory order only, not stocked (3000 parts per full reel). |
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| 2 | Impedance ratio is for the full primary winding to the full secondary winding. | |
| 3 | Inductance measured at 100 kHz, 0.1 V, 0 Adc on an Agilent/ HP 4192 or equivalent. | |
| 4 | DCR measured on a micro-ohmmeter. | |
| 5 | DC imbalance is the maximum difference in current measured at pins 1 and 3 with the source at pin 2. Inductance drop is 15% at maximum imbalance. | |
| 6 | Ambient temperature range: | –40°C to +85°C |
| 7 | Storage temperature range: | Component: –40°C to +85°C T&R packaging: –40°C to +80°C |
| 8 | Resistance to soldering heat: Three reflows at >217°C for 90 seconds (+260°C ±5°C for 20 – 40 seconds), allowing parts to cool to room temperature between. | |
| 9 | Electrical specifications at 25°C. Measurements are referenced to 50 Ohms. | |
| Refer to Soldering Coilcraft Components before soldering. | ||
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