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参数资料
| 型号： | POE70P-50LD |
| 厂商： | COILCRAFT INC |
| 元件分类： | 开关电源变压器 |
| 英文描述： | PoE transformer, SMT, RoHS |
| 中文描述： | 7 W, SMPS TRANSFORMER |
| 封装： | ROHS COMPLIANT |
| 文件页数： | 1/2页 |
| 文件大小： | 237K |
| 代理商： | POE70P-50LD |
Coilcraft, Inc. 2009
Specifications subject to change without notice.
Please check our website for latest information.
Flyback Transformers
Document 460-1
Revised 10/29/08
For 3 Watt, 7 Watt and 13 Watt
PoE Applications
Inductance Inductance
Leakage
Part
Power
at 0 A2
at Ipk3
DCR max (Ohms)4
inductance
Turns ratio6
Ipk3
number1
(W)
±10% (H)
min (H)
pri
bias
sec
max (H)5
pri : sec
pri : bias
(A)
Output7
POE30P-33L_
3
310
279.0
1.02
2.01
0.066
4.75
1 : 0.19
1 : 0.70
0.3
3.3 V, 0.91 A
POE30P-50L_
3
310
279.0
1.02
2.01
0.118
4.50
1 : 0.28
1 : 0.70
0.3
5.0 V, 0.6 A
POE30P-12L_
3
310
279.0
1.04
2.01
0.700
4.25
1 : 0.70
0.3
12 V, 0.25 A
POE70P-33L_
7
155
139.5
0.414
0.822
0.036
4.00
1 : 0.19
1 : 0.667
0.65
3.3 V, 2.12 A
POE70P-50L_
7
155
139.5
0.414
0.822
0.060
3.60
1 : 0.262
1 : 0.667
0.65
5.0 V, 1.4 A
POE70P-12L_
7
155
139.5
0.414
0.822
0.343
3.25
1 : 0.667
0.65
12 V, 0.6 A
POE13P-33L_
13
127
114.3
0.255
0.310
0.024
1.25
1 : 0.166
1 : 0.50
1.0
3.3 V, 4.0 A
POE13P-50L_
13
127
114.3
0.222
0.348
0.039
0.950
1 : 0.25
1 : 0.50
1.0
5.0 V, 2.6 A
POE13P-12L_
13
127
114.3
0.199
0.308
0.065
0.650
1 : 0.50
1.0
12 V, 1.08 A
POE13P-19L_
13
127
114.3
0.290
0.355
0.066
0.800
1 : 0.567
1 : 0.50
1.0
19.5 V, 0.67 A
POE13P-24L_
13
127
114.3
0.255
0.315
0.067
0.600
1 : 0.667
1 : 0.50
1.0
24 V, 0.54 A
1. When ordering, please specify packaging code:
POE30P-12L
D
Packaging: D =13
″ machine-ready reel. EIA-481 embossed plastic
tape.
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 250 kHz, 0.1 Vrms, 0 Adc.
3. Ipk is peak primary current drawn at minimum input voltage.
4. DCR for the secondary is per winding.
5. Leakage inductance measured between pins 3 and 4 with all other pins
shorted.
6. Turns ratio is with the secondary windings connected in parallel.
7. Output of the secondary is with the windings connected in parallel. Bias
winding output is 12 V, 20 mA.
8. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
4
1
3
2
8
6
Bias
Pri
Sec
5
7
4
1
3
2
10
8
Bias
Pri
Sec
7
9
Schematics
POE13P
POE70P,POE30P
Secondary windings to be
connected in parallel on
PC board
Secondary windings to be
connected in parallel on
PC board
Flyback transformers for PoE applications
Designed to operate in continuous mode at 250 kHz with
an input of 36 – 72 Vdc
1500 Vrms isolation from primary and bias to secondary
Designer’s Kit C395 contains two of each part shown in bold
Core material Ferrite
Terminations RoHS tin-silver over tin over nickel over phos
bronze. Other terminations available at additional cost.
Weight POE13P: 6.15 g; POE70P: 3.85 g; POE30P: 2.05 g
Ambient temperature –40°C to +85°C
Storage temperature Component: –40°C to +85°C.
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
PCB washing Only pure water or alcohol recommended
相关PDF资料 |
PDF描述 |
|---|---|
| POE300F-12LB | PoE transformer, SMT, RoHS |
| POE300F-12LD | PoE transformer, SMT, RoHS |
| POE300F-19LB | PoE transformer, SMT, RoHS |
| POE300F-19LD | PoE transformer, SMT, RoHS |
| POE300F-24LB | PoE transformer, SMT, RoHS |
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