IF Series Datasheet by Signal Transformer

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belfuse.com/signal
Printed Circuit Mount
IF Series
International Flathead™
Low Profile Transformers
For Critical Height and International Safety
Requirements
Signal’s IF transformers utilize unique insulating techniques including
full encapsulation to meet international safety requirements. These
transformers are ideal for low power applications where minimum
height and reduced magnetic radiation are required.
General Specifications
Power - 2 VA to 30 VA
Dielectric Strength - 4000 Vrms Hipot
Dual Primaries - 115/230 V, 50/60 Hz
Dual Secondaries - Series or parallel
Height - 0.69” to 1.39” (17.5 mm to 35.3 mm) height
Insulation System - Class B, 130° C
Agency Certifications
UL 1446 (E66312)
UL recognized to UL 506 / UL 5085-2, File # E63829
CSA certified to C22.2 #66.1, File # 221070
RoHS
Compliant
belfuse.com/signal
128 Atlantic Avenue, Lynbrook, NY 11563
Toll Free 866-239-5777 | Tel 516-239-5777 | Fax 516-239-7208
sales@signaltransformer.com | techhelp@signaltransformer.com
Custom versions available upon request.
© 2020 Signal Transformer Specifications subject to change without notice IF Series 10.20
IF Series Datasheet
Part Number Selection
Part
Number
VA Secondary RMS Rating
Size Series Parallel
IF-2-10
2
10 VCT @ 200 mA 5 V @ 400 mA
IF-2-12
2
12 VCT @ 170 mA 6 V @ 340 mA
IF-2-16
2
16 VCT @ 125 mA 8 V @ 250 mA
IF-2-20
2
20 VCT @ 100 mA 10 V @ 200 mA
IF-2-24
2
24 VCT @ 85 mA 12 V @ 170 mA
IF-2-30
2
30 VCT @ 70 mA 15 V @ 140 mA
IF-2-34
2
34 VCT @ 60 mA 17 V @ 120 mA
IF-2-40
2
40 VCT @ 50 mA 20 V @ 100 mA
IF-2-56
2
56 VCT @ 40 mA 28 V @ 80 mA
IF-2-230
2
230 VCT @ 9 mA 115 V @ 18 mA
IF-4-10
4
10 VCT @ 400 mA 5 V @ 800 mA
IF-4-12
4
12 VCT @ 335 mA 6 V @ 670 mA
IF-4-16
4
16 VCT @ 250 mA 8 V @ 500 mA
IF-4-20
4
20 VCT @ 200 mA 10 V @ 400 mA
IF-4-24
4
24 VCT @ 170 mA 12 V @ 340 mA
IF-4-30
4
30 VCT @ 135 mA 15 V @ 270 mA
IF-4-34
4
34 VCT @ 120 mA 17 V @ 240 mA
IF-4-40
4
40 VCT @ 100 mA 20 V @ 200 mA
IF-4-56
4
56 VCT @ 70 mA 28 V @ 140 mA
IF-4-230
4
230 VCT @ 18 mA 115 V @ 36 mA
IF-6-10
6
10 VCT @ 600 mA 5 V @ 1.20 A
IF-6-12
6
12 VCT @ 500 mA 6 V @ 1.00 A
IF-6-16
6
16 VCT @ 375 mA 8 V @ 750 mA
IF-6-20
6
20 VCT @ 300 mA 10 V @ 600 mA
IF-6-24
6
24 VCT @ 250 mA 12 V @ 500 mA
IF-6-30
6
30 VCT @ 200 mA 15 V @ 400 mA
IF-6-34
6
34 VCT @ 180 mA 17 V @ 360 mA
IF-6-40
6
40 VCT @ 150 mA 20 V @ 300 mA
IF-6-56
6
56 VCT @ 110 mA 28 V @ 220 mA
IF-6-230
6
230 VCT @ 25 mA 115 V @ 50 mA
Part
Number
VA Secondary RMS Rating
Size Series Parallel
IF-10-10
10
10 VCT @ 1.00 A 5 V @ 2.00 A
IF-10-12 10 12 VCT @ 835 mA 6 V @ 1.67 A
IF-10-16 10 16 VCT @ 625 mA 8 V @ 1.25 A
IF-10-20
10
20 VCT @ 500 mA 10 V @ 1.00 A
IF-10-24 10 24 VCT @ 420 mA 12 V @ 840 mA
IF-10-30 10 30 VCT @ 335 mA 15 V @ 670 mA
IF-10-34 10 34 VCT @ 300 mA 17 V @ 600 mA
IF-10-40 10 40 VCT @ 250 mA 20 V @ 500 mA
IF-10-56 10 56 VCT @ 180 mA 28 V @ 360 mA
IF-10-230
10
230 VCT @ 45 mA 115 V @ 90 mA
IF-14-10
14 10 VCT @ 1.40 A 5 V @ 2.80 A
IF-14-12
14 12 VCT @ 1.20 A 6 V @ 2.40 A
IF-14-16
14 16 VCT @ 875 mA 8 V @ 1.75 A
IF-14-20
14 20 VCT @ 700 mA 10 V @ 1.40 A
IF-14-24
14 24 VCT @ 600 mA 12 V @ 1.20 A
IF-14-30
14 30 VCT @ 470 mA 15 V @ 940 mA
IF-14-34
14 34 VCT @ 415 mA 17 V @ 830 mA
IF-14-40
14 40 VCT @ 350 mA 20 V @ 700 mA
IF-14-56
14 56 VCT @ 250 mA 28 V @ 500 mA
IF-14-230
14 230 VCT @ 60 mA 115 V @ 120 mA
IF-18-10
18 10 VCT @ 1.80 A 5 V @ 3.6 A
IF-18-12
18 12 VCT @ 1.50 A 6 V @ 3.00 A
IF-18-16
18 16 VCT @ 1.15 A 8 V @ 2.30 A
IF-18-20
18 20 VCT @ 900 mA 10 V @ 1.80 A
IF-18-24
18 24 VCT @ 750 mA 12 V @ 1.50 A
IF-18-30
18 30 VCT @ 600 mA 15 V @ 1.20 A
IF-18-34
18 34 VCT @ 530 mA 17 V @ 1.06 A
IF-18-40
18 40 VCT @ 450 mA 20 V @ 900 mA
IF-18-56
18 56 VCT @ 320 mA 28 V @ 640 mA
IF-18-230
18 230 VCT @ 80 mA 115 V @ 160 mA
Part
Number
VA Secondary RMS Rating
Size Series Parallel
IF-24-10
24 10 VCT @ 2.40 A 5 V @ 4.80 A
IF-24-12
24 12 VCT @ 2.00 A 6 V @ 4.00 A
IF-24-16
24 16 VCT @ 1.50 A 8 V @ 3.00 A
IF-24-20
24 20 VCT @ 1.20 A 10 V @ 2.40 A
IF-24-24
24 24 VCT @ 1.00 A 12 V @ 2.00 A
IF-24-30
24 30 VCT @ 800 mA 15 V @ 1.60 A
IF-24-34
24 34 VCT @ 700 mA 17 V @ 1.40 A
IF-24-40
24 40 VCT @ 600 mA 20 V @ 1.20 A
IF-24-56
24 56 VCT @ 430 mA 28 V @ 860 mA
IF-24-230
24 230 VCT @ 105 mA 115 V @ 210 mA
IF-30-10
30 10 VCT @ 3.00 A 5 V @ 6.00 A
IF-30-12
30 12 VCT @ 2.50 A 6 V @ 5.00 A
IF-30-16
30 16 VCT @ 1.90 A 8 V @ 3.80 A
IF-30-20
30 20 VCT @ 1.50 A 10 V @ 3.00 A
IF-30-24
30 24 VCT @ 1.25 A 12 V @ 2.50 A
IF-30-30
30 30 VCT @ 1.00 A 15 V @ 2.00 A
IF-30-34
30 34 VCT @ 900 mA 17 V @ 1.80 A
IF-30-40
30 40 VCT @ 750 mA 20 V @ 1.50 A
IF-30-56
30 56 VCT @ 550 mA 28 V @ 1.10 A
IF-30-230
30 230 VCT @ 130 mA 115 V @ 260 mA
RoHS
Compliant
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belfuse.com/signal
128 Atlantic Avenue, Lynbrook, NY 11563
Toll Free 866-239-5777 | Tel 516-239-5777 | Fax 516-239-7208
sales@signaltransformer.com | techhelp@signaltransformer.com
Custom versions available upon request.
© 2020 Signal Transformer Specifications subject to change without notice IF Series 10.20
IF Series Datasheet
Mechanical Specifications
VA
L W H
ML MW
A B C D E F G
Weight
Size Inches (mm) oz (kg)
2
2.09
(53.0)
1.73
(44.0)
0.69
(17.6)
1.87
(47.5)
1.48
(37.5)
0.05
(1.3)
0.25
(6.3)
1.38
(35.0)
0.39
(10.0)
0.39
(10.0)
0.59
(15.0)
0.19
(5.0)
4.6
(0.13)
4
2.09
(53.0)
1.73
(44.0)
0.77
(19.6)
1.87
(47.5)
1.48
(37.5)
0.05
(1.3)
0.25
(6.3)
1.38
(35.0)
0.39
(10.0)
0.39
(10.0)
0.59
(15.0)
0.19
(5.0)
5.4
(0.15)
6
2.09
(53.0)
1.73
(44.0)
0.89
(22.6)
1.87
(47.5)
1.48
(37.5)
0.05
(1.3)
0.25
(6.3)
1.38
(35.0)
0.39
(10.0)
0.39
(10.0)
0.59
(15.0)
0.19
(5.0)
6.9
(0.20)
10 2.66
(67.6)
2.24
(57.0)
0.89
(22.6)
2.46
(62.5)
1.97
(50.0)
0.28
(7.1)
0.34
(8.8)
1.77
(45.0)
0.59
(15.0)
0.43
(10.9)
0.39
(10.0)
0.63
(15.9)
10.3
(0.29)
14 2.66
(67.6)
2.24
(57.0)
0.96
(24.3)
2.46
(62.5)
1.97
(50.0)
0.28
(7.1)
0.34
(8.8)
1.77
(45.0)
0.59
(15.0)
0.43
(10.9)
0.39
(10.0)
0.63
(15.9)
11.9
(0.34)
18 2.66
(67.6)
2.24
(57.0)
1.09
(27.6)
2.46
(62.5)
1.97
(50.0)
0.28
(7.1)
0.34
(8.8)
1.77
(45.0)
0.59
(15.0)
0.43
(10.9)
0.39
(10.0)
0.63
(15.9)
14.1
(0.40)
24 2.68
(68.0)
2.26
(57.5)
1.23
(31.3)
2.46
(62.5)
1.97
(50.0)
0.28
(7.1)
0.34
(8.8)
1.77
(45.0)
0.59
(15.0)
0.43
(10.9)
0.39
(10.0)
0.63
(15.9)
16.5
(0.47)
30 2.68
(68.0)
2.26
(57.5)
1.39
(35.3)
2.46
(62.5)
1.97
(50.0)
0.28
(7.1)
0.34
(8.8)
1.77
(45.0)
0.59
(15.0)
0.43
(10.9)
0.39
(10.0)
0.63
(15.9)
19.7
(0.58)
1
Indicates like polarity
Primaries
115/230 V
50/60 Hz
5
6
8
7
3
4
2
RoHS
Compliant

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