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Part number1 Click to get parts |
Pri / sec voltage |
Inductance2 min (µH) |
DCR max (Ohms)3 |
Leakage inductance4 max (µH) |
Volt-time product5 (Vµsec) |
Power6 (W) |
Turns ratio pri : sec |
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pri | sec | |||||||
DA2303-AL_ | 5 V to 5 V, 3.3 V to 3.3 V |
45.6 | 0.130 | 0.260 | 1.0 | 34.4 | 7.2 | 1 : 1.5 |
DA2304-AL_ | 3.3 V to 5 V | 17.8 | 0.086 | 0.232 | 0.43 | 21.5 | 7.2 | 1 : 2.2 |
1 | When ordering, please specify termination and packaging codes: e.g. DA2303-ALD | |
Termination: |
L = RoHS compliant tin-silver over tin over nickel over phos bronze Special order: T = RoHS tin-silver-copper (95.5/4/0.5) or S = non-RoHS tin-lead (63/37). |
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Packaging: | D = 13"
machine-ready reel EIA 481 embossed plastic tape (600 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 D instead. |
2 | Inductance is tested between pins 4 and 3 at 500 kHz, 0.5 Vrms, 0 Adc. | |
3 | DCR is per winding at 25°C. For other operating temperatures, use this DCR at Temperature calculator. | |
4 | Leakage inductance is for the primary with both windings connected in series and with the secondary windings shorted. | |
5 | Volt-time product is based on a flux density of 2500 gauss, measured between pins 4 and 1 with pins 2 and 3 connected. | |
6 | Calculated output power based on 150 kHz operating frequency. Power varies depending on application. | |
7 | Ambient temperature range: | −40°C to +125°C |
8 | Storage temperature range: | Component: −40°C to +125°C Tape and reel packaging: −40°C to +80°C |
9 | 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. | |
10 | Electrical specifications at 25°C. | |
Refer to Soldering Coilcraft Components before soldering. | ||
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