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Document 1489-1
Flyback&ForwardTransformersforPoE
Halogen
Free
• Flyback and Forward transformers for PoE up to 72 Watts
• Operates with 9 – 57 V input (POE21, 22, 24, 33, 35 and 38)
• Operates with 33 – 57 V input (POE23, 30, 36, 53, 70, and 72)
• Oneminuteisolation(hipot):1500Vrms,frompriandauxtoeach
sec;500Vrmsfrompritoaux;500Vrmsbetweentwosecondary
• Dualoutputscanbeconfiguredasonesinglehigherpoweroutput
• AEC-Q200 Grade 1 (–40°C to +125°C)
AEC
+
Q200 125°C
Core material Ferrite
Environment RoHS compliant, halogen free
Terminations Tin-silver-copper over tin over nickel over phos bronze.
Weight 7.1 – 7.9 g
Ambient temperature –40°C to +125°C
Maximum part temperature +165°C (Ambient + temp rise)
Storage temperature Component: –40°C to +165°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)
Flyback Transformers
Leakage
DCR max (mOhms)
pri sec± sec2 aux
Turns ratio
pri : sec± : sec2 : aux
Part
Power
(W)
L at 0 A2
±±0ꢀ (ꢁµ) (A)
Isat3
inductance4
max (ꢁµ)
number1
Output5
POE21PR-33ED
POE23PR-33ED
POE22PR-50ED
POE30PR-50ED
POE24PR-12ED
21
23
22
30
24
21
54
21
48
21
6.2
3.2
6.2
3.6
6.3
31 10
10
6.5
17
10
52
80
58
80
85
72
0.30
0.67
0.16
0.40
0.15
1 : 0.231 : 0.231 : 0.692
1 : 0.125 : 0.125 : 0.375
1 : 0.333 : 0.333 : 0.750
1 : 0.188 : 0.188 : 0.375
1 : 0.750 : 0.750 : 0.667
3.3 V, 3.2 A
3.3 V, 3.5 A
5.0 V, 2.2 A
5.0 V, 3.0 A
12 V, 1.0 A
62
6.5
31 17
62 10
31 52
POE36PR-12ED
36
41
4.2
62 23
23
85
0.28
1 : 0.375 : 0.375 : 0.375
12 V, 1.5 A
1. Packaging: D = 13″ machine-ready reel. EIA-481 embossed plastic
tape (150 parts per full reel). Quantities less than
full reel available: in tape (not machine ready) or
with leader and trailer ($25 charge).
9
1
Sec1
Pri
2. Inductance is for the primary, measured at 200 kHz, 0.1 Vrms, 0 Adc.
3. DC current at 25°C that causes an inductance drop of < 30% from its
value without current.
3
4
6
10
Sec2
7
4. Leakage inductance measured between pins 1 and 3 with all other
pins shorted.
5. Output is for each secondary. Output of the aux winding is 10 V, 50 mA.
6. Electrical specifications at 25°C.
Aux
5
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Document 1489-1 Revised 05/05/22
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© Coilcraft Inc. 2022
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.