Q4337-BL
Flyback Regulator Transformer
- For flyback regulator applications using LM258X SIMPLE SWITCHER®
- Recommended and approved by National Semiconductor
- Input voltage: 4 – 6 V
- 500 Vrms isolation between windings
- RoHS-compliant – Tin-silver over tin over nickel over phos bronze.
- COTS Plus tin-silver-copper and tin-lead terminations available
- Custom versions available
SPECIFICATIONS
| TI ref # |
Part number Click for samples |
L
at 0 Adc ±15% (µH) |
L at Ipk min (µH) |
Volt-time product max (Vµsec) |
Leakage inductance1 max (µH) |
DCR (Ohms)2 | Turns ratio |
Output | Ipk3 (A) |
|
|---|---|---|---|---|---|---|---|---|---|---|
| Pri | Sec | |||||||||
| T2 | Q4337-BL | 22 | 19.8 | 162.0 | 2.0 | 0.030 | 0.32 (8-7) 0.32 (6-5) |
1 : 2.5 1 : 2.5 |
12 V, 0.35 A 12 V, 0.35 A |
5.0 |
| 1 | Leakage inductance measured across the primary at 0.10 Vrms, 100 kHz. |  |
|
| 2 | DCR measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator. |
||
| 3 | DC current at which the primary inductance is measured. | ||
| 4 | Ambient temperature range: | −40°C to +85°C | |
| 5 | Storage temperature range: | Component: −40°C to +85°C Packaging trays: −40°C to +80°C |
|
| 6 | Electrical specifications at 25°C. | ||
| Refer to Soldering Coilcraft Components before soldering. | |||
| PCB washing: Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info. | |||