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, 50/60 Hz
•
Secondaries - Series or parallel
•
Electrostatic Shield - Not necessay, split bobbin construction
•
Insulation System - Class B, 130° 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 @ 0.11A
10VCT @ 0.25A (5)
10VCT @ 0.6A (9)
10VCT @ 1.2A (11)
10VCT @ 2.0A
10VCT @ 3.6A
12.6VCT @ 0.09A
12.6VCT @ 0.2A (4)
12.6VCT @ 0.5A (9)
12.6VCT @ 1.0A (11)
12.6VCT @ 1.6A
12.6VCT @ 2.85A
16VCT @ 0.07A
16VCT @ 0.15A (3)
16VCT @ 0.4A (7)
16VCT @ 0.8A (10)
16VCT @ 1.25A
16VCT @ 2.25A
20VCT @ 0.055A
20VCT @ 0.12A (2)
20VCT @ 0.3A (6)
20VCT @ 0.6A (9)
20VCT @ 1.0A
20VCT @ 1.8A
24VCT @ 0.045A
24VCT @ 0.1A (1)
24VCT @ 0.25A (5)
24VCT @ 0.5A (9)
24VCT @ 0.8A
24VCT @ 1.5A
Parallel
5V @ 0.22A
5V @ 0.5A (9)
5V @ 1.2A (11)
5V @ 2.4A (12)
5V @ 4.0A
5V @ 7.2A
6.3V @ 0.18A
6.3V @ 0.4A (8)
6.3V @ 1.0A (11)
6.3V @ 2.0A (13)
6.3V @ 3.2A
6.3V @ 5.7A
8V @ 0.14A
8V @ 0.3A (6)
8V @ 0.8A (10)
8V @ 1.6A (11)
8V @ 2.5A
8V @ 4.5A
10V @ 0.11A
10V @ 0.24A (5)
10V @ 0.6A (9)
10V @ 1.2A (11)
10V @ 2.0A
10V @ 3.6A
12V @ 0.09A
12V @ 0.2A (4)
12V @ 0.5A (9)
12V @ 1.0A (11)
12V @ 1.6A
12V @ 3.0A
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 @ 0.04A
28VCT @ 0.085A
28VCT @ 0.2A
28VCT @ 0.42A
28VCT @ 0.7A
28VCT @ 1.3A
36VCT @ 0.03A
36VCT @ 0.065A
36VCT @ 0.17A
36VCT @ 0.35A
36VCT @ 0.55A
36VCT @ 1.0A
48VCT @ 0.023A
48VCT @ 0.05A
48VCT @ 0.125A
48VCT @ 0.25A
48VCT @ 0.4A
48VCT @ 0.75A
56VCT @ 0.02A
56VCT @ 0.045A
56VCT @ 0.11A
56VCT @ 0.22A
56VCT @ 0.35A
56VCT @ 0.65A
120VCT @ 0.01A
120VCT @ 0.02A
120VCT @ 0.05A
120VCT @ 0.1A
120VCT @ 0.16A
120VCT @ 0.3A
14V @ 0.08A
14V @ 0.17A
14V @ 0.4A
14V @ 0.84A
14V @ 1.4A
14V @ 2.6A
18V @ 0.06A
18V @ 0.13A
18V @ 0.34A
18V @ 0.7A
18V @ 1.1A
18V @ 2.0A
24V @ 0.046A
24V @ 0.1A
24V @ 0.25A
24V @ 0.5A
24V @ 0.8A
24V @ 1.5A
28V @ 0.04A
28V @ 0.09A
28V @ 0.22A
28V @ 0.44A
28V @ 0.7A
28V @ 1.3A
60V @ 0.02A
60V @ 0.04A
60V @ 0.1A
60V @ 0.2A
60V @ 0.32A
60V @ 0.6A
Custom versions available upon request.
©2013 Signal Transformer Inc. Specifications subject to change without notice. 08.13
www.signaltransformer.com
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
34
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.
** Inherently Limited
* Non Inherently Limited
Recommended secondary fuse value specified as below:
(1)
0.125A
(2)
0.15A
(3)
0.25A
(4)
0.3A
(5)
0.375A
(6)
0.4A
(7)
0.5A
(8)
0.6A
(9)
0.75A
(10)
1.0A
(11)
1.5A
(12)
2.0A
(13)
3.0A
See Accessories page for mounting screw information.
Custom versions available upon request.
©2013 Signal Transformer Inc. Specifications subject to change without notice. 08.13
www.signaltransformer.com
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
35