Ultra Miniature DCDC Converter Transformers
Input Voltages of 5V, 12V, 24V, and 48V
Power Levels up to 40 Watts. All units are magnetically shielded.
All units are magnetically shielded. All units can be supplied with higher or lower output
voltages. Deliverystock to one week for sample orders.
All dimensions are in inches (mm)
Larger size drawing
Max.
Height
.280
(7.11)
.340
(8.63)
.415
(10.54)
A
Max.
Dia.
.410
(10.41)
.500
(12.7)
.630
(16.0)
B
Bolt
Circle
.260
(6.6)
.350
(8.89)
.440
(11.17)
C
Stand
Off
.160
(4.06)
.250
(6.35)
.340
(8.64)
Terminal
Dia.
.012
(.31)
.012
(.31)
.016
(.41)
Size
1
2
3
All dimensions are in inches (mm)
Note: Sizes 5 and 6 pins 5, 8, and 9 are omitted.
Larger size drawing
Size
Max.
Height
.500
(12.7)
.340
(8.63)
.415
(10.54)
A
Max.
Dia.
.800
(20.32)
.500
(12.7)
.630
(16.0)
B
Bolt
Circle
.560
(14.22)
.350
(8.89)
.440
(11.17)
C
Stand
Off
.460
(4.06)
.570
(14.48)
.700
(17.78)
MTG.
INSERT
632 UNC
8 Threads
Deep
632 UNC
8 Threads
Deep
Terminal
Dia.
.016
(.41)
.020
(.51)
.020
(.51)
4
5
6
INPUT 5 VOLTS
D.C. OUT VOLTS
PART
NUMBER
Max. POWER
OUT
APPROX. SWITCH
FREQ.
SQUARE
WAVE
DRIVEN**
30K TO
60K
30K TO
60K
30K TO
60K
40K TO
60K
40K TO
60K
***
PRICE
SIZE
19
(US $)
FULL DUAL 55ºC to 55ºC to
SELF
BRIDGE
WAVE BRIDGE +105ºC +70ºC SATURATED
31021
31041
31061
31081
31101
10
12
28
48
100
5
6
14
24
50
± 5
± 6
± 14
± 24
± 50
1.5W
1.5W
1.5W
1.5W
1.5W
3W
3W
3W
3W
3W
15K
15K
15K
20K
20K
1
1
1
1
1
71.22
71.22
71.22
71.22
71.22
INPUT 5 VOLTS
D.C. OUT VOLTS
PART
NUMBER
Max. POWER
OUT
APPROX. SWITCH
FREQ.
SQUARE
WAVE
DRIVEN**
30K TO
60K
30K TO
60K
30K TO
60K
40K TO
60K
40K TO
60K
30K TO
60K
30K TO
60K
30K TO
60K
20K TO
50K
20K TO
50K
20K TO
50K
20K TO
50K
20K TO
50K
30K TO
***
PRICE
SIZE
19
(US $)
FULL DUAL 55ºC to 55ºC to
SELF
BRIDGE
WAVE BRIDGE +105ºC +70ºC SATURATED
32106
32126
32146
32166
32186
32189
32192
32195
10
12
28
48
100
150
200
300
5
6
14
24
50
75
100
150
± 5
± 6
± 14
± 24
± 50
± 75
± 100
± 150
3W
3W
3W
3W
3W
3W
3W
3W
4.5W
4.5W
4.5W
4.5W
4.5W
15K
15K
15K
20K
20K
10K
10K
10K
2
2
2
2
2
2
2
2
71.22
71.22
71.22
71.22
71.22
82.03
82.03
82.03
33104
33124
33144
33164
33184
33187
33190
10
12
28
48
100
150
200
5
6
14
24
50
75
100
± 5
± 6
± 14
± 24
± 50
± 75
± 100
5W
5W
5W
5W
5W
5W
5W
7.5W
7.5W
7.5W
7.5W
7.5W
10K
10K
10K
10K
10K
10K
10K
3
3
3
3
3
3
3
71.22
71.22
71.22
71.22
71.22
82.03
82.03
33193
300
150
± 150
5W
10K
60K
30K TO
60K
30K TO
60K
20K TO
40K
20K TO
40K
20K TO
40K
3
82.03
34501
34521
34541
10
28
48
5
14
24
± 5
± 14
± 24
10W
10W
10W
14W
14W
14W
10K
10K
10K
4
4
4
71.22
71.22
71.22
**Lower switching frequency may be used at lower output power.
INPUT 12 VOLTS
PART
NUMBER
***
PRICE
SQUARE SIZE
19
FULL DUAL 55ºC to 55ºC to
SELF
BRIDGE
WAVE
(US $)
WAVE BRIDGE +105ºC +70ºC SATURATED
DRIVEN**
30K TO
60K
30K TO
60K
30K TO
60K
40K TO
60K
40K TO
60K
30K TO
60K
30K TO
60K
30K TO
60K
40K TO
60K
40K TO
60K
30K TO
60K
30K TO
60K
30K TO
60K
30K TO
60K
30K TO
60K
40K TO
60K
40K TO
60K
30K TO
60K
30K TO
60K
30K TO
60K
30K TO
50K
30K TO
D.C. OUT VOLTS
Max. POWER
OUT
APPROX. SWITCH
FREQ.
31121
31141
31161
31181
31201
12
24
28
48
100
6
12
14
24
50
± 6
± 12
± 14
± 24
± 50
1.5W
1.5W
1.5W
1.5W
1.5W
3W
3W
3W
3W
3W
15K
15K
15K
20K
20K
1
1
1
1
1
71.22
71.22
71.22
71.22
71.22
32206
32226
32246
32266
32286
32289
32292
32295
12
24
28
48
100
150
200
300
6
12
14
24
50
75
100
150
± 6
± 12
± 14
± 24
± 50
± 75
± 100
± 150
3W
3W
3W
3W
3W
3W
3W
3W
4.5W
4.5W
4.5W
4.5W
4.5W
15K
15K
15K
20K
20K
10K
10K
10K
2
2
2
2
2
2
2
2
71.22
71.22
71.22
71.22
71.22
82.03
82.03
82.03
33204
33224
33244
33264
33267
33270
33273
12
28
48
100
150
200
300
6
14
24
50
75
100
150
± 6
± 14
± 24
± 50
± 75
± 100
± 150
5W
5W
5W
5W
5W
5W
5W
7.5W
7.5W
7.5W
7.5W
15K
15K
20K
20K
10K
10K
10K
3
3
3
3
3
3
3
71.22
71.22
71.22
71.22
82.03
82.03
82.03
34561
34581
34601
34604
34607
34610
34613
24
28
48
100
150
200
300
12
14
24
50
75
100
150
± 12
± 14
± 24
± 50
± 75
± 100
± 150
10W
10W
10W
7.5W
7.5W
7.5W
7.5W
14W
14W
14W
15K
15K
15K
10K
10K
10K
10K
50K
30K TO
50K
30K TO
60K
30K TO
60K
30K TO
60K
30K TO
60K
30K TO
60K
30K TO
60K
30K TO
60K
4
4
4
4
4
4
4
71.22
71.22
71.22
82.03
82.03
82.03
82.03
35110
35130
35150
24
28
48
12
14
24
±12
±14
±24
17W
17W
17W
25W
25W
25W
5
5
5
102.47
102.47
102.47
INPUT 24 VOLTS
PART
NUMBER
***
PRICE
SQUARE SIZE
19
FULL DUAL 55ºC to 55ºC to
SELF
BRIDGE
WAVE
(US $)
WAVE BRIDGE +105ºC +70ºC SATURATED
DRIVEN**
30K TO
60K
30K TO
60K
40K TO
60K
40K TO
60K
30K TO
60K
30K TO
60K
40K TO
60K
40K TO
60K
30K TO
60K
30K TO
60K
30K TO
60K
30K TO
60K
30K TO
60K
40K TO
60K
40K TO
60K
30K TO
60K
30K TO
60K
30K TO
60K
30K TO
50K
30K TO
D.C. OUT VOLTS
Max. POWER
OUT
APPROX. SWITCH
FREQ.
31221
31241
31261
31281
10
28
48
100
5
14
24
50
± 5
± 14
± 24
± 50
1.5W
1.5W
1.5W
1.5W
3W
3W
3W
3W
15K
15K
20K
20K
1
1
1
1
71.22
71.22
71.22
71.22
32306
32326
32346
32366
32369
32372
32375
10
28
48
100
150
200
300
5
14
24
50
75
100
150
± 5
± 14
± 24
± 50
± 75
± 100
± 150
3W
3W
3W
3W
3W
3W
3W
4.5W
4.5W
4.5W
4.5W
15K
15K
20K
20K
10K
10K
10K
2
2
2
2
2
2
2
71.22
71.22
71.22
71.22
82.03
82.03
82.03
33284
33304
33324
33344
33347
33350
33353
10
28
48
100
150
200
300
5
14
24
50
75
100
150
± 5
± 14
± 24
± 50
± 75
± 100
± 150
5W
5W
5W
5W
5W
5W
5W
7.5W
7.5W
7.5W
7.5W
15K
15K
20K
20K
10K
10K
10K
3
3
3
3
3
3
3
71.22
71.22
71.22
71.22
82.03
82.03
82.03
34621
34641
34644
34647
34650
34653
28
48
100
150
200
300
14
24
50
75
100
150
± 14
± 24
± 50
± 75
± 100
± 150
10W
10W
7.5W
7.5W
7.5W
7.5W
14W
14W
15K
15K
10K
10K
10K
10K
50K
30K TO
60K
30K TO
60K
30K TO
60K
30K TO
60K
30K TO
60K
30K TO
60K
30K TO
60K
30K TO
60K
30K TO
60K
4
4
4
4
4
4
71.22
71.22
82.03
82.03
82.03
82.03
35170
35190
35210
24
28
48
12
14
24
± 12
± 14
± 24
17W
17W
17W
25W
25W
25W
5
5
5
102.47
102.47
102.47
36710
36730
48
56
24
28
± 24
± 28
25W
25W
40W
40W
6
6
123.31
123.31
**Lower switching frequency may be used at lower output power.
INPUT 48 VOLTS
***
PART
PRICE
SQUARE SIZE
NUMBER
19
FULL DUAL 55ºC to 55ºC to
SELF
BRIDGE
WAVE
(US $)
WAVE BRIDGE +105ºC +70ºC SATURATED
DRIVEN**
30K TO
60K
40K TO
60K
40K TO
60K
40K TO
60K
30K TO
60K
40K TO
60K
40K TO
60K
40K TO
60K
30K TO
60K
30K TO
60K
30K TO
60K
40K TO
60K
40K TO
60K
40K TO
60K
30K TO
60K
30K TO
60K
30K TO
50K
30K TO
D.C. OUT VOLTS
Max. POWER
OUT
APPROX. SWITCH
FREQ.
31301
31321
31341
31361
24
48
100
150
12
24
50
75
± 12
± 24
± 50
± 75
1.5W
1.5W
1.5W
1.5W
3W
3W
3W
3W
15K
20K
20K
20K
1
1
1
1
71.22
71.22
71.22
78.32
32386
32406
32426
32446
32449
32452
24
48
100
150
200
300
12
24
50
75
100
150
± 12
± 24
± 50
± 75
± 100
± 150
3W
3W
3W
3W
3W
3W
4.5W
4.5W
4.5W
4.5W
4.5W
4.5W
15K
20K
20K
20K
10K
10K
2
2
2
2
2
2
71.22
71.22
71.22
71.22
82.03
82.03
33364
33384
33404
33424
33427
33430
24
48
100
150
200
300
12
24
50
75
100
150
± 12
± 24
± 50
± 75
± 100
± 150
5W
5W
5W
5W
5W
5W
7.5W
7.5W
7.5W
7.5W
15K
20K
20K
20K
10K
10K
3
3
3
3
3
3
71.22
71.22
71.22
71.22
82.03
82.03
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