MA5237-ELD [COILCRAFT]
SMT Flyback Transformer;
| 型号： | MA5237-ELD |
| 厂家： | 
Coilcraft lnc. |
| 描述： | SMT Flyback Transformer |
| 文件： | 总1页 (文件大小：248K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Document 1067
For Maxim
MAX17498B
SMT Flyback Transformer
• Flyback transformer developed for Maxim for the MAX17498B
Evaluation Kit
• Designed to operate with +18 Vdc to +36 Vdc input
• 3500Vrms, one minute isolationprimary to secondary windings
Core material Ferrite
Weight 7.1 g
Terminations RoHS tin-silver over tin over nickel over phos bronze.
Other terminations available at additional cost.
Ambient temperature –40°C to +85°C
Maximum part temperature +125°C (ambient + temp rise)
Storage temperature Component: –40°C to +125°C.
Tape and reel packaging: –40°C to +80°C
Resistance to soldering heat Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /
85% relative humidity)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
Packaging 200 per 13″ reel Plastic tape: 44 mm wide,
0.4 mm thick, 24 mm pocket spacing, 11.5 mm pocket depth
PCB washing Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
Leakage
DCR max (Ohms)4
pri sec aux
0.11 0.035 0.17
Turns ratio6
Part
L at0A2
LatIpk3
inductance5
max (µH)
Ipk3
number1
±±0ꢀ (µH)
min (µH)
pri:sec
pri:aux
(A)
Output7
MA5237-EL_
60.0
54.0
0.565
1:0.5
1:0.25
1.5
5 V, 1.5 A
1. When ordering, please specify packaging code:
MA5237-ELD
4. DCR for the secondary is with windings connected in parallel.
5. Leakage inductance is for the primary, measured with the secondary
windings shorted.
6. Turns ratio is with the the secondary windings connected in parallel.
7. Output of the secondary is with the windings connected in parallel.
Aux winding output is 2.5 V, 20 mA.
Packaging: D = 13″ machine ready reel. EIA-481 embossed plastic
tape (200 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.
8. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
2. Inductance is for the primary, measured at 500 kHz, 0.1 Vrms.
3. Peak primary current drawn at minimum input voltage.
Dot indicates pin 1
Internal code
12
11
1
1
0.069
1,75
1
12
12
0.028
0,70
Pri
Sec
0.750
19,05
Recommended
7
8
2
5
max
0.100
2,54
0.100
2,54
Land Pattern
7
Aux
6
0.748
19,0
0.130
3,30
0.699
17,00
6
The secondary windings are to be
connected in parallel on the PC board.
0.425
max
10,8
0.004 / 0,10
Dimensions are in
0.799
20.30
inches
mm
0.950
max
24,13
Document 1067 Revised 07/15/15
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