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Datasheet> All Categories > Power management> transformer> Q4437-AL
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Q4437-AL

Description
SMPS Transformer, 9W
CategoryPower management    transformer   
File Size266KB，6 Pages
ManufacturerCOILCRAFT
Websitehttp://www.coilcraft.com/
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Q4437-AL Overview

SMPS Transformer, 9W

Q4437-AL Parametric

Parameter NameAttribute value
Reach Compliance Codeunknown
ECCN codeEAR99
Other featuresTURNS RATIO: 1:0.5; 1:1.167; 1:1.167, HEIGHT & BREADTH DIM INCLUDE TERMINALS ALSO
high15.24 mm
Maximum input voltage36 V
Minimum input voltage18 V
length19.05 mm
Installation featuresTHROUGH HOLE MOUNTED
Number of primary windings1
Number of secondary windings3
Maximum operating frequency100 kHz
Output voltage 112 V
Output voltage 25 V
physical sizeL19.05XB25.4XH15.24 (mm)
rated power9 W
Primary inductance55000 µH
surface mountNO
Transformer typeSMPS TRANSFORMER
width25.4 mm
Base Number Matches1

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Download Datasheet
Document 651-1
Flyback Transformers
For complete specifications see www.coilcraft.com
Body size 3
Body size 4
Body size 5
Body size 8
Body size 14
This list of dc-dc and off-line switching converter transformers are stocked for immediate delivery and may be sampled at no cost.
They are organized by input and sorted by output. These transformers also operate well in applications with power levels other than
those shown and at a wide range of frequencies. The nominal frequency and circuit reference are only provided as a guide.
If no transformer shown here meets your design criteria, consult Document 627 “Coilcraft Structured Design Guide for Switching
Transformers” for a step-by-step guide to transformer design, or contact Coilcraft for assistance.
Part
number
B0226-EL
POE30P-33L
C1590-AL
POE30P-50L
C1591-AL
POE30P-12L
C1592-AL
POE60F-18L
POE60C-18L
POE60D-18L
POE60F-25L
POE60C-25L
POE60D-25L
POE60F-33L
POE60C-33L
POE60D-33L
POE60F-50L
POE60C-50L
POE60D-50L
POE60F-12L
POE60C-12L
POE60D-12L
A0009-AL
POE70P-33L
C1587-AL
POE70P-50L
C1588-AL
POE70P-12L
C1589-AL
D1766-AL
C1048-AL
FA2519-AL
POE13F-18L
POE13F-25L
POE13F-33L
POE13P-33L
POE13F-50L
POE13P-50L
DA2362-AL
GA3372-AL
POE13F-12L
POE13P-12L
Power
(W)
2.0
3.0
3.0
3.0
3.0
3.0
3.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.6
7.0
7.0
7.0
7.0
7.0
7.0
10
10
11
13
13
13
13
13
13
13
13
13
13
Nominal
freq.
(kHz)
1000
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
100
250
10
250
10
250
10
200
250
250
250
250
250
250
250
250
250
250
250
250
Turns ratio
pri : sec pri : aux / bias
1 : 0.36
1 : 0.36
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 : 0.100
1 : 0.100
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 : 0.104
1 : 0.042
1 : 0.042
1 : 0.12
1 : 0.20
1 : 0.07
1 : 0.08
1 : 0.11
1 : 0.166
1 : 0.15
1 : 0.25
1 : 0.25
1 : 0.25
1 : 0.35
1 : 0.50
—
1 : 0.70
1 : 0.70
1 : 0.70
1 : 0.70
1 : 0.70
1 : 0.70
1 : 0.36
1 : 0.344
1 : 0.344
1 : 0.33
1 : 0.333
1 : 0.333
1 : 0.36
1 : 0.333
1 : 0.333
1 : 0.35
1 : 0.343
1 : 0.357
1 : 0.35
1 : 0.333
1 : 0.333
1:1
1 : 0.667
1 : 0.667
1 : 0.667
1 : 0.667
1 : 0.667
1 : 0.667
—
1 : 0.47
1 : 0.60
1 : 0.36
1 : 0.33
1 : 0.36
1 : 0.50
1 : 0.35
1 : 0.50
1 : 0.594
1 : 0.50
1 : 0.35
1 : 0.50
L at
0A
(µH)
120
310
310
310
310
310
310
75
167
75
55
177
80
65
184
85
60
193
90
55
204
95
100
155
155
155
155
155
155
221
94
55
45
35
40
127
40
127
127
102
35
127
DCR (Ohms)
Body
sec aux / bias Schem size Mtg
0.248
0.248
2.01
2.01
2.01
2.01
2.01
2.01
0.005
0.017
0.018
0.005
0.027
0.017
0.007
0.026
0.026
0.009
0.043
0.033
0.017
0.083
0.074
0.15
0.822
0.822
0.822
0.822
0.822
0.822
0.065
0.015
0.030
0.010
0.026
0.005
0.005
0.007
0.310
0.009
0.348
0.039
0.0175
0.017
0.308
—
0.066
0.066
0.118
0.118
0.70
0.70
0.195
0.57
0.575
0.15
0.66
0.388
0.18
0.515
0.53
0.165
0.66
0.529
0.15
0.545
0.484
0.012
0.036
0.036
0.06
0.06
0.343
0.343
—
0.453
0.388
0.195
0.150
0.180
0.024
0.165
0.039
0.405
0.270
0.150
0.065
B
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
C
D
D
D
D
D
D
D
D
D
D
D
D
2
4
4
4
4
4
4
9
6
6
9
6
6
9
6
6
9
6
6
9
6
6
13
7
7
7
7
7
7
14
9
14
9
9
9
8
9
8
8
8
9
8
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
Output
12 V, 1.67 mA
12 V, 3 mA
3.3 V, 0.91 A
3.3 V, 0.91 A
5.0 V, 0.6 A
5.0 V, 0.6 A
12 V, 0.25 A
12 V, 0.25 A
1.8 V, 3.3 A
1.8 V, 3.3 A
1.8 V, 3.3 A
2.5 V, 2.4 A
2.5 V, 2.4 A
2.5 V, 2.4 A
3.3 V, 1.8 A
3.3 V, 1.8 A
3.3 V, 1.8 A
5.0 V, 1.2 A
5.0 V, 1.2 A
5.0 V, 1.2 A
12 V, 0.5 A
12.0 V, 0.5 A
12.0 V, 0.5 A
3.3 V, 3 A
3.3 V, 2.12 A
3.3 V, 2.12 A
5.0 V, 1.4 A
5.0 V, 1.4 A
12 V, 0.6 A
12 V, 0.6 A
3.3 V, .5 A
2.5 V, 1.5 A
1.8 V, 2.5 A
5 V, 2 A
3.3 V, 3.3 A
1.8 V, 7.2 A
2.5 V, 5.2 A
3.3 V, 3.9 A
3.3 V, 4.0 A
5.0 V, 2.6 A
5.0 V, 2.6 A
5.0 V, 2.6 A
5.0 V, 2.6 A
12 V, 1.1 A
12 V, 1.08 A
Aux / bias
—
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
24 V
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
—
15 V, 0.2 A
10 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
10 V, 20 mA
12 V, 20 mA
12 V, 20 mA
pri
0.364
1.02
1.02
1.02
1.02
1.04
1.04
0.195
0.303
0.311
0.095
0.353
0.219
0.138
0.286
0.285
0.130
0.344
0.271
0.095
0.293
0.265
0.15
0.414
0.414
0.414
0.414
0.414
0.414
0.420
0.210
0.026
0.195
0.095
0.138
0.255
0.130
0.222
0.222
0.185
0.095
0.199
Designed for
On Semi NCP1030
PoE
NSC LM5070
PoE
NSC LM5070
PoE
NSC LM5070
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
NSC LM5000
PoE
NSC LM5070
PoE
NSC LM5070
PoE
NSC LM5070
Linear LTC4267
Linear LT1725
NSC LM5071, LM5072
PoE
PoE
PoE
PoE
PoE
PoE
Freescale MC34670
NSC LM5015
PoE
PoE
Telecom input (36 – 72 Vdc)
Specification subject to change without notice.
Please check our website for latest information.
Document 651-1
Revised 12/29/08
© Coilcraft, Inc. 2008

Q4437-AL Related Products

Q4437-AL Q4338-AL Q4344-AL
Description SMPS Transformer, 9W SMPS Transformer, 9W SMPS Transformer, 9W
Reach Compliance Code unknown unknown unknown
ECCN code EAR99 EAR99 EAR99
Other features TURNS RATIO: 1:0.5; 1:1.167; 1:1.167, HEIGHT & BREADTH DIM INCLUDE TERMINALS ALSO TURNS RATIO: 1:0.5; 1:1.167; 1:1.167, ADDITIONAL 12V OUTPUT VOLTAGE IS ALSO AVAILABLE TURNS RATIO: 1:0.35; 1:0.8; 1:0.8, ADDITIONAL 5V OUTPUT VOLTAGE IS ALSO AVAILABLE
high 15.24 mm 17.78 mm 24.13 mm
Maximum input voltage 36 V 36 V 36 V
Minimum input voltage 18 V 18 V 18 V
length 19.05 mm 20.96 mm 27.94 mm
Installation features THROUGH HOLE MOUNTED THROUGH HOLE MOUNTED THROUGH HOLE MOUNTED
Number of primary windings 1 1 1
Number of secondary windings 3 3 3
Maximum operating frequency 100 kHz 100 kHz 100 kHz
Output voltage 1 12 V 12 V 12 V
Output voltage 2 5 V 5 V 12 V
physical size L19.05XB25.4XH15.24 (mm) L20.96XB24.13XH17.78 (mm) L27.94XB27.94XH24.13 (mm)
rated power 9 W 9 W 9 W
Primary inductance 55000 µH 66000 µH 85000 µH
surface mount NO NO NO
Transformer type SMPS TRANSFORMER SMPS TRANSFORMER SMPS TRANSFORMER
width 25.4 mm 24.13 mm 27.94 mm
Base Number Matches 1 1 1

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