Split/Tran
TM
,Specialty Purpose & Class 2
Transformers • Printed Circuit Mount
Split Bobbin with High Isolation
SM
Signal’s ST and DST transformers use a split bobbin that
provides superior isolation and low capacitive coupling.
General Specifications
•
Power - 1.1 VA to 36 VA
•
Dielectric Strength - 2500 Vrms Hipot
•
Primaries - Single or dual primaries, 115 V or 115/230 V, 50160 Hz
•
Secondaries - Series or parallel
•
Electrostatic Shield - Not necessay, split bobbin construction
•
Insulation System - Class S, 1300 C
•
Mounting Hardware - see chart
Agency Certifications
• UL 1446 Class B insulation systems, file # E66312
• UL Recognized 506 / UL 5085-1, 2, File # E63829
• CSA certified to C22.2 #66.1, File # 221070
• cCSAus certified to C22.2 #66.3 / UL 5085-3, File #221070
• Class 2 – marked with (*) or (**) or (#)
**CSA certified as Inherently Limited
* CSA certified as Non Inherently Limited – see recommended fuse rating on next page
# UL Recognized UL5083-3, Inherently Limited File # E116583
Part Number
Single 115V
6 Pin
ST-2-10**
ST-3-10*
ST-4-10*
ST-5-10*
ST-6-10
ST-7-10
ST-2-12**
ST-3-12*
ST-4-12*
ST-5-12*
ST-6-12
ST-7-12
ST-2-16**
ST-3-16*
ST-4-16*
ST-5-16*
ST-6-16
ST-7-16
ST-2-20**
ST-3-20*
ST-4-20*
ST-5-20*
ST-6-20
ST-7-20
ST-2-24**
ST-3-24*
ST-4-24*
ST-5-24*
ST-6-24
ST-7-24
Dual 115/230V
8 Pin
DST-2-10**
DST-3-10*
DST-4-10*
DST-5-10*
DST-6-10
DST-7-10
DST-2-12**
DST-3-12*
DST-4-12*
DST-5-12*
DST-6-12
DST-7-12
DST-2-16**
DST-3-16*
DST-4-16*#
DST-5-16*
DST-6-16
DST-7-16
DST-2-20**
DST-3-20*
DST-4-20*
DST-5-20*
DST-6-20
DST-7-20
DST-2-24**
DST-3-24*
DST-4-24*#
DST-5-24*#
DST-6-24
DST-7-24
Secondary RMS Rating
Series
10VCT @ O.11A
10VCT @ O.25A
10VCT @ O.6A
10VCT @ 1.2A
10VCT @ 20A
10VCT @ 3.6A
12.6VCT @ O.09A
12.6VCT @ O.2A
12.6VCT @ O.5A6.
12.6VCT @ 10A
12.6VCT @ 1.6A
12.6VCT @ 2.85A
16VCT @ O.07A
16VCT @ O.15A
16VCT @ OAA
16VCT @ O.8A
16VCT @ 1.25A
16VCT @ 2.25A
20VCT @ O.055A
20VCT @ O.12A
20VCT @ O.3A
20VCT @ O.6A
20VCT @ 1.0A
20VCT @ 1.8A
24VCT @ O.045A
24VCT @ O.1A
24VCT @ O.25A
24VCT @ O.5A
24VCT @ O.8A
24VCT @ 1.5A
Parallel
5V @ O.22A
5V @ O.5A
5V @ 1.2A
5V @ 2AA
5V @ 40A
5V @ 7.2A
6.3V @ O.18A
6.3V @ OAA
3V @ 1.0A
6.3V @ 20A
6.3V @ 3.2A
6.3V @ 5.7A
8V @ O.14A
8V @ O.3A
8V @ O.8A
8V @ 1.6A
8V @ 2.5A
8V @ 4.5A
10V @ O.11A
10V @ O.24A
10V @ O.6A
10V @ 1.2A
10V @ 20A
10V @ 3.6A
12V @ O.09A
12V @ O.2A
12V @ O.5A
12V @ lOA
12V @ 1.6A
12V @ 30A
Part Number
Single 115V
6 Pin
Dual 115/230V
8 Pin
Secondary RMS Rating
Series
Parallel
ST-2-28
ST-3-28
ST-4-28
ST-5-28
ST-6-28
ST-7-28
ST-2-36
ST-3-36
ST-4-36
ST-5-36
ST-6-36
ST-7-36
ST-2-48
ST-3-48
ST-4-48
ST-5-48
ST-6-48
ST-7-48
ST-2-56
ST-3-56
ST-4-56
ST-5-56
ST-6-56
ST-7-56
ST-2-120
ST-3-120
ST-4-120
ST-5-120
ST-6-120
ST-7-120
DST-2-28
DST-3-28
DST-4-28
DST-5-28
DST-6-28
DST-7-28
DST-2-36
DST-3-36
DST-4-36
DST-5-36
DST-6-36
DST-7-36
DST-2-48
DST-3-48
DST-4-48
DST-5-48
DST-6-48
DST-7-48
DST-2-56
DST-3-56
DST-4-56
DST-5-56
DST-6-56
DST-7-56
DST-2-120
DST-3-120
DST-4-120
DST-5-120
DST-6-120
DST-7-120
28VCT @ O.04A
28VCT @ O.085A
28VCT @ O.2A
28VCT @ OA2A
28VCT @ O.7A1
28VCT @ 1.3A
36VCT @ O.03A
36VCT @ O.065A
36VCT @ O.17A
36VCT @ O.35A
36VCT @ O.55A
36VCT @ 1.0A
36VCT @ 1.0A
48VCT @ O.023A
48VCT @ O.05A
48VCT @ O.125A
48VCT @ O.25A
48VCT @ OAA
48VCT @ O.75A
56VCT @ O.02A
56VCT @ O.045A
56VCT @ O.11A
56VCT @ O.22A
56VCT @ O.35A
56VCT @ O.65A
120VCT @ O.01A
120VCT @ O.02A
120VCT @ O.05A
120VCT @ O.1A
120VCT @ O.16A
14V @ O.08A
14V @ O.17A
14V @ OAA
14V @ O.84A
4V @ 1AA
14V @ 2.6A
18V @ O.06A
18V @ O.13A
18V @ O.34A
18V @ O.7A
18V @ 1.1A
18V @ 2.0A
18V @ 2.0A
24V @ O.046A
24V @ O.1A
24V @ O.25A
24V @ O.5A
24V @ O.8A
24V @ 1.5A
28V @ O.04A
28V @ O.09A
28V @ O.22A
28V @ OA4A
28V @ O.7A
28V @ 1.3A
60V @ O.02A
60V @ O.04A
60V @ O.1A
60V @ O.2A
60V @ O.32A
Custom versions available upon request.
©2013 Signal Transformer Inc. Specifications subject to change without notice. 05.13
www.signaltransformer.com
1
500 Bayview Avenue, Inwood, NY 11096
Toll Free 866-239-5777
•
Tel
516-239-5777 •
Fax 516-239-7208
sales@signaltransformer.com • techhelp@signaltransformer.com
Split/Tran™ Low Power Transformers
Split Bobbin with High Isolation
SM
6 Pin
Type ST
5
4
115V
50/60 Hz
6
7
1
8
Indicates like polarity
8 Pin
Type DST
4
5
3
2
115/230V
50/60 Hz
6
7
1
Indicates like polarity
8
Size
VA
L
W
H
ML
A
Inches (mm)
B
C
Optional Mounting
Screw & Nut*
Weight
lbs (kg)
2
3
4
1.1
2.4
6
1.37
(34.9)
1.37
(34.9)
1.62
(41.3)
1.91
(48.4)
2.25
(57.2)
2.62
(66.7)
1.12
(28.6)
1.12
(28.6)
1.31
(33.3)
1.59
(40.4)
1.88
(47.8)
2.18
(55.5)
0.97
(24.6)
1.21
(30.8)
1.31
(33.3)
1.45
(36.9)
1.45
(36.9)
1.59
(40.4)
-
-
1.06
(26.9)
1.25
(31.8)
1.50
(38.1)
†
0.25
(6.4)
0.25
(6.4)
0.25
(6.4)
0.30
(7.6)
0.30
(7.6)
0.40
(10.2)
0.25
(6.4)
0.25
(6.4)
0.35
(8.9)
0.40
(10.2)
0.40
(10.2)
0.40
(10.2)
1.20
(30.5)
1.20
(30.5)
1.25
(32.5)
1.41
(35.8)
1.60
(40.6)
1.85
(47.0)
-
-
Nylon
4-40 x 1.37
(4-40 x 34.9)
Nylon
4-40 x 1.37
(4-40 x 34.9)
Nylon
4-40 x 1.37
(4-40 x 34.9)
†
0.17
(0.08)
0.25
(0.11)
0.44
(0.20)
0.70
(0.32)
0.80
(0.36)
1.1
(0.50)
5
12
6
7
20
36
* Available from Signal, part numbers ST-MS (screw) and ST-MN (nut).
† Size 7 has 4 mounting holes on 2.18 x 1.75 centers for #6 screws.
See Accessories page for mounting screw information.
Custom versions available upon request.
©2013 Signal Transformer Inc. Specifications subject to change without notice. 05.13
www.signaltransformer.com
2
500 Bayview Avenue, Inwood, NY 11096
Toll Free 866-239-5777
•
Tel
516-239-5777 •
Fax 516-239-7208
sales@signaltransformer.com • techhelp@signaltransformer.com
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