Q4434-BL COILCRAFT, Q4434-BL Datasheet
Q4434-BL
Manufacturer Part Number
Q4434-BL
Description
Manufacturer
COILCRAFT
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.
A selection of flyback transfomers designed as capacitor chargers are shown at the top of page 4.
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.
Telecom input (36 – 72 Vdc)
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
© Coilcraft, Inc. 2010
number
For complete specifications see www.coilcraft.com
Part
Body size 3
Power
(W)
10
10
11
13
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
12 V, 167 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
Output
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
Body size 4
—
—
Nominal
(kHz)
1000
freq.
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
100
250
250
250
200
10
10
10
Please check our website for latest information.
Specification subject to change without notice.
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
Turns ratio
Body size 5
Flyback Transformers
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
—
—
310
310
167
177
184
193
204
155
155
155
120
310
310
310
310
100
155
155
155
221
(µH)
L at
0 A
75
75
55
80
65
85
60
90
55
95
94
55
45
0.303
0.353
0.219
0.286
0.344
0.293
0.265
0.364
1.02
1.02
1.02
1.02
1.04
1.04
0.195
0.311
0.095
0.138
0.285
0.130
0.271
0.095
0.15
0.414
0.414
0.414
0.414
0.414
0.414
0.420
0.210
0.026
0.195
pri
DCR (Ohms)
Body size 8
0.083
0.074
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
0.15
0.822
0.822
0.822
0.822
0.822
0.822
0.065
0.015
0.030
0.010
0.026
0.005
sec
aux / bias Schem size Mtg
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
—
—
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
B
D
D
Document 651-1 Revised 02/01/10
Body
13
14
14
2
4
4
4
4
4
4
9
6
6
9
6
6
9
6
6
9
6
6
9
6
6
7
7
7
7
7
7
9
9
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
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
On Semi NCP1030
NSC LM5070
NSC LM5070
NSC LM5070
NSC LM5000
NSC LM5070
NSC LM5070
NSC LM5070
Linear LTC4267
Linear LT1725
NSC LM5071, LM5072
Document 651-1
Body size 14
Designed for
Related parts for Q4434-BL
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Coilcraft 1206 1uH Inductor 1206CS-102XJLC,
Manufacturer:
COILCRAFT
Datasheet:
Part Number:
Description:
Manufacturer:
Coilcraft
Datasheet:
Part Number:
Description:
Manufacturer:
Coilcraft
Datasheet:
Part Number:
Description:
Manufacturer:
Coilcraft
Datasheet:
Part Number:
Description:
Manufacturer:
Coilcraft
Datasheet:
Part Number:
Description:
Manufacturer:
Coilcraft
Datasheet:
Part Number:
Description:
Manufacturer:
Coilcraft
Datasheet:
Part Number:
Description:
Manufacturer:
Coilcraft
Datasheet: