Flyback Transformers (2 – 36, 400 Vdc input)Input range: Wide Input (4.5 – 1000 Vdc) | Telecom (36 – 72 Vdc) | Telecom (36 – 57 Vdc) | If no transformer meets your design criteria, review the application note Using Standard Transformers in Multiple Applications, consult the Coilcraft Structured Design Guide for Switching Transformers for a step-by-step guide to transformer design, or contact Coilcraft for assistance. Can these transformers be used in different applications or topologies? |
| Power (W) |
Output | L at 0 A (µH) |
Pri : sec turns ratio |
Nom freq. (kHz) |
Part number Click for details |
Designed for |
|---|---|---|---|---|---|---|
| 2 – 8 Vdc Input | ||||||
| 7 – 12 | 30 – 80 V | 4.0 | 1 : 4 | 150 | NA5743-AL | Linear LT8584 |
| 7 – 12 | 9 – 36 V | 4.0 | 1 : 1.33 | 150 | NA6252-AL | Linear LT8584 |
| 7 – 12 | 100 – 400 V | 4.0 | 1 : 24 | 150 | NA5920-AL | Linear LT8584 |
| 2.9 – 32 Vdc Input | ||||||
| 2.0 | 5 V, 0.4 A | 2.0 | 1 : 4 | 100 | TA7608-AL | Silicon Labs DC-DC Converter |
| 2.0 | 5 V, 0.4 A | 2.0 | 1 : 4 | 100 | TA7618-AL | Silicon Labs DC-DC Converter |
| 12 | 12 V, 1 A | 12 | 1 : 0.833 | 200 | NA5889-AL | TI TPS55340 |
| 3.3 Vdc Input | ||||||
| 1.2 | 12 V, 0.1 A | 330 | 1 : 2 | 100 | DA2420-AL | ST Micro STE12PS |
| 1.2 | 12 V, 0.1 A | 330 | 1 : 2 | 100 | DA2421-AL | ST Micro STE12PS |
| 4 – 6 Vdc Input | ||||||
| 4.5 | 5 V / 0.9 A | 47 | 1 : 1 | 100 | S6057-AL | TI LM258X (T7) |
| 4.5 | 5 V / 0.9 A | 47 | 1 : 1 | 100 | S6000-AL | TI LM258X (T7) |
| 8.0 | 5 V, 1.6 A | 22 | 1 : 1 | 100 | Q4435-BL | TI LM258X (T1) |
| 8.0 | 5 V, 1.6 A | 22 | 1 : 1 | 100 | Q4434-BL | TI LM258X (T1) |
| 8.4 | 12 V, 0.35 A −12 V, 0.35 A |
22 | 1 : 2.5 1 : 2.5 |
100 | Q4436-BL | TI LM258X (T2) |
| 8.4 | 12 V, 0.35 A −12 V, 0.35 A |
22 | 1 : 2.5 1 : 2.5 |
100 | Q4337-BL | TI LM258X (T2) |
| 4.5 – 8.5 Vdc Input | ||||||
| 4.0 | −48 V, 0.083 A | 19 | 1 : 16 | 125 | FA2469-AL | STMicro STLC3075 |
| 5 – 20 Vdc Input | ||||||
| 1.25 | 5 V, 250 mA | 10 | 1 : 1 | 100 | CX9721-AL | TI TPS61046 Boost Converter |
| 5 – 24 Vdc Input | ||||||
| 18.0 | 5 V, 3.6 A 15 V, 1.2A −15 V, 1.2A |
7.5 | 1 : 0.5 1 : 1.5 1 : 1.5 |
100 | HA3994-AL | Linear LT3751 Cap. Charger Controller |
| 6 – 32 Vdc Input | ||||||
| 39 | 54 V, 0.6 A | 9.0 | 1: 5 | 150 | PA6582-AL | TI PMP20588 |
| 7 – 24 Vdc Input | ||||||
| 2.0 | 5 V, 0.4 A | 25 | 3 : 1 | 250 | UA7902-AL | Silicon Labs DC-DC Converter |
| 2.13 | 15 V, 0.13 A 9 V, 0.02 A |
25 | 1 : 0.1.25 1 : 0.75 |
250 | TA7788-AL | Silicon Labs DC-DC Converter |
| 8 – 18 Vdc Input | ||||||
| 48 | 48 V, 1 A | 2.56 | 1 : 6 | 300 | NA6264-AL | TI PMP7899 |
| 81 | 54 V, 1.5 A | 10 | 1 : 2 | 300 | UA7962-AL | TI PMP20058 |
| 8 – 28 Vdc Input | ||||||
| 4.5 | 15 V, 0.3 A | 47 | 1 : 2 | 400 | WA8417-AL | TI PMP30227 |
| 6 | 5 V, 1.2 A | 8 | 1 : 0.751 | 150 | YA9123-BE | Maxim MAX17690 DCM Flyback Controller |
| 6 | 12 V, 0.5 A | 8 | 1 : 1.625 | 150 | YA9124-BE | Maxim MAX17690 DCM Flyback Controller |
| 6 | 12 V, 0.5 A | 8 | 1 : 1.625 | 150 | YA9124-BE | Maxim MAX17690 DCM Flyback Controller |
| 12 | 5 V, 2.40 A | 4 | 1 : 0.70 | 150 | YA9165-BE | Maxim MAX17690 DCM Flyback Controller |
| 12 | 12 V, 1 A | 4 | 1 : 1.60 | 150 | YA9166-BE | Maxim MAX17690 DCM Flyback Controller |
| 12 | 24 V, 0.50 A | 4 | 1 : 3.14 | 150 | YA9167-BE | Maxim MAX17690 DCM Flyback Controller |
| 24 | 5 V, 4.8 A | 1.5 | 1 : 1.00 | 125 | YA9171-CE | Maxim MAX17690 DCM Flyback Controller |
| 24 | 12 V, 2 A | 1.5 | 1 : 2.28 | 125 | YA9172-CE | Maxim MAX17690 DCM Flyback Controller |
| 24 | 24 V, 1 A | 1.5 | 1 : 4.43 | 125 | YA9173-CE | Maxim MAX17690 DCM Flyback Controller |
| 8.5 – 12 Vdc Input | ||||||
| 4.0 | −48 V, 0.083 A | 19 | 1 : 8 | 125 | FA2470-AL | STMicro STLC3075 |
| 9 – 20 Vdc Input | ||||||
| 4.1 | 24 V, 0.17 A 72 V, 0.17 A |
6 | 1 : 3 1 : 9 |
600 | IFLY0012L | Intersil ISL6401 |
| 10 – 14 Vdc Input | ||||||
| 5.0 | 3.3 V, 1.5 A | 25 | 1 : 0.14 | 250 | GA3431-BL | |
| 5.0 | 5.0 V, 1.0 A | 25 | 1 : 0.20 | 250 | GA3430-BL | |
| 17 – 36 Vdc Input | ||||||
| 7.5 | 5 V, 1.5 A | 18 | 1 : 0.4 | 150 | YA9280-AL | Maxim MAX17690 |
| 18 – 36 Vdc Input | ||||||
| 7.5 | 5 V, 1.5 A | 60 | 1 : 0.5 | 500 | MA5237-AL | Maxim MAX17498B |
| 15.0 | 5 V, 1.8 A 12 V, 0.25 A −12 V, 0.25 A |
55 | 1 : 0.5 1 : 0.167 1 : 0.167 |
100 | Q4437-BL | TI LM258X (T5) |
| 15.0 | 5 V, 1.8 A 12 V, 0.25 A −12 V, 0.25 A |
66 | 1 : 0.5 1 : 0.167 1 : 0.167 |
100 | Q4338-BL | TI LM258X (T5) |
| 15.1 | 12 V, 0.63 A −12 V, 0.63 A |
65 | 1 : 1.2 1 : 1.2 |
100 | Q4438-BL | TI LM258X (T6) |
| 15.1 | 12 V, 0.63 A −12 V, 0.63 A |
66 | 1 : 1.2 1 : 1.2 |
100 | Q4339-BL | TI LM258X (T6) |
| 20.0 | 24 V, 0.833 A | 33 | 1 : 1.85 | 100 | CU8758-AL | Maxim MAX17597 |
| 33.0 | 12 V, 0.75 A −12 V, 0.75 A 5 V, 3 A |
85 | 1 : 0.35 1 : 0.8 1 : 0.8 |
100 | Q4344-BL | TI LM258X (T4) |
| 33.6 | 12 V, 1.4 A −12 V, 1.4 A |
85 | 1 : 0.8 1 : 0.8 |
100 | Q4343-BL | TI LM258X (T3) |
| 20 – 28 Vdc Input | ||||||
| 5 | 3.3 V, 1.5 A | 24 | 1 : 0.25 | 250 | GA3429-BL | Linear LT3573 |
| 22 – 26 Vdc Input | ||||||
| 50 | 53 V, 1.0 A | 35 | 1 : 1.4 | 150 | GA3136-BL | TI UCC2809 |
| 400 Vdc | ||||||
| 44 | 110 V, 0.4 A | 800 | 1 : 0.35 | 250 | GA3502-BL | Maxim MAX16801 LED Driver |
1:0.36
1:0.36
1:0.10
1:0.075
1:0.19
1:0.19
1:0.28
1:0.28
1:0.70
1:0.70
1:0.07
1:0.063
1:0.063
1:0.08
1:0.083
1:0.083
1:0.11
1:0.10
1:0.10
1:0.15
1:0.143
1:0.143
1:0.35
1:0.333
1:0.333
1:0.333
1:0.19
1:0.19
1:0.262
1:0.262
1:0.667
1:0.667
1:0.13
1:0.15
1:0.104
1:0.042
1:0.042
1:0.33
1:0.12
1:0.40
1:0.20
1:0.167
1:050
1:1
1:0.20
1:0.167
1:0.28
1:0.07
1:0.08
1:0.11
1:0.166
1:0.25
1:0.15
1:0.25
1:0.25
1:0.35
1:0.50
1:0.57
1:0.567
1:0.67
1:0.667
1:0.31
1:0.23
1:0.19
1:0.40
1:1
1:0.09
1:0.14
1:0.33
1:0.24
1:0.56
1:0.67