 
SMT Flyback Transformers
for ST Micro STE12PS
- Developed for ST Microelectronics STE12PS 12-Channel PSE Power Controller
- 3.3 V input; 12 V output
- 500 Vdc isolation from primary to secondary
- RoHS-compliant. 260°C compatible. Tin-silver over tin over nickel
over phos bronze terminations
 Photo  Pricing  Materials declaration 
PDF data sheet
SPECIFICATIONS
 Dimensions 
Tape and reel specifications
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DA2420-AL_ |
330 |
297 |
0.756 |
0.886 |
5.920 |
6.00 |
1 : 2 |
2.0 |
12 V, 100 mA |
|
DA2421-AL_ |
330 |
297 |
0.803 |
0.984 |
14.145 |
4.83 |
1 : 3 |
2.0 |
12 V, 100 mA |
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| 1 |
When
ordering, please specify packaging code: e.g. DA2420-ALD |
Primary windings to be connected in parallel on the PC board. |
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Packaging: |
D = 13" reel, machine-ready
EIA-481 embossed plastic tape (175 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 for the primary, measured at
100 kHz, 0.1 Vrms, 0 Adc |
| 3 |
Ipk
is peak primary current drawn at minimum input voltage. |
| 4 |
Leakage inductance measured on the primary windings with secondary pins shorted. |
| 5 |
Turns ratio is with the primary windings connected in parallel. |
| 6 |
Ambient temperature range: |
–40°C to +125°C |
| 7 |
Storage temperature range: |
Component: –40°C to +125°C
Packaging: –55°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. |
| Refer to Soldering Coilcraft Components before soldering. |
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