DST Class 2 Transformers

Signal Transformer / Bel DST Class 2 Transformers provide superior isolation and low capacitive coupling. The Split Bobbin-Low Power transformers feature a power rating of 1.1VA to 36VA and are available in 60 standard configurations. Signal Transformer / Bel DST Transformers are recognized to UL 506 and meet the specifications for UL 1446 (E66312).

Results: 60
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Description Datasheet Availability Pricing (CLP) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
Primary Voltage Rating
Secondary Voltage Rating
Power Rating
Secondary Current Rating
Mounting Style
Primary Winding
Secondary Winding
Length
Width
Height
Series
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-4
Datasheet
363In Stock
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 12.6 V CT/6.3 V 6 VA 500 mA/1 A Through Hole Dual Primary Winding Dual Secondary Winding 41.3 mm 33.3 mm 33.3 mm DST
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-4
Datasheet
319In Stock
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 16 V CT/8 V 6 VA 400 mA/800 mA Through Hole Dual Primary Winding Dual Secondary Winding 41.3 mm 33.3 mm 33.3 mm DST
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-4
Datasheet
174In Stock
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 24 V CT/12 V 6 VA 250 mA/500 mA Through Hole Dual Primary Winding Dual Secondary Winding 41.3 mm 33.3 mm 33.3 mm DST
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-5
Datasheet
372In Stock
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 16 V CT/8 V 12 VA 800 mA/1.6 A Through Hole Dual Primary Winding Dual Secondary Winding 48.4 mm 40.4 mm 36.9 mm DST
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-7
Datasheet
96In Stock
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 28 V CT/14 V 36 VA 1.3 A/2.6 A Through Hole Dual Primary Winding Dual Secondary Winding 66.7 mm 55.5 mm 40.4 mm DST
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-5
Datasheet
251In Stock
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 24 V CT/12 V 12 VA 500 mA/1 A Through Hole Dual Primary Winding Dual Secondary Winding 48.4 mm 40.4 mm 36.9 mm DST
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-6
Datasheet
164In Stock
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 36 V CT/18 V 20 VA 550 mA/1.1 A Through Hole Dual Primary Winding Dual Secondary Winding 57.2 mm 47.8 mm 36.9 mm DST
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-2
Datasheet
34In Stock
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 56 V CT/28 V 1.1 VA 20 mA/40 mA Through Hole Dual Primary Winding Dual Secondary Winding 34.9 mm 28.6 mm 24.6 mm DST
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-3
Datasheet
15In Stock
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 12.6 V CT/6.3 V 2.4 VA 20 mA/40 mA Through Hole Dual Primary Winding Dual Secondary Winding 34.9 mm 28.6 mm 30.8 mm DST
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-3
Datasheet
113In Stock
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 48 V CT/24 V 2.4 VA 50 mA/100 mA Through Hole Dual Primary Winding Dual Secondary Winding 34.9 mm 28.6 mm 30.8 mm DST
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-6
Datasheet
47In Stock
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 12.6 V CT/6.3 V 20 VA 1.6 A/3.2 A Through Hole Dual Primary Winding Dual Secondary Winding 57.2 mm 47.8 mm 36.9 mm DST
Bel Signal Transformer Power Transformers - Board Mount Radial Inductor with Leads,8200 H, 0.13A,Q>20
Datasheet
107In Stock
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 10 V CT/5 V 1.1 VA 110 mA/220 mA Through Hole Dual Primary Winding Dual Secondary Winding 34.9 mm 28.6 mm 24.6 mm DST
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-3
Datasheet
99In Stock
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 10 V CT/5 V 6 VA 600 mA/1.2 A Through Hole Dual Primary Winding Dual Secondary Winding 41.3 mm 33.3 mm 33.3 mm DST
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-7
Datasheet
37In Stock
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 12.6 V CT/6.3 V 36 VA 2.85 A/5.7 A Through Hole Dual Primary Winding Dual Secondary Winding 66.7 mm 55.5 mm 40.4 mm DST
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-5
Datasheet
143In Stock
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 20 V CT/10 V 12 VA 600 mA/1.2 A Through Hole Dual Primary Winding Dual Secondary Winding 48.4 mm 40.4 mm 36.9 mm DST
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-2
Datasheet
72In Stock
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 12.6 V CT/6.3 V 1.1 VA 90 mA/180 mA Through Hole Dual Primary Winding Dual Secondary Winding 34.9 mm 28.6 mm 24.6 mm DST
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-2
Datasheet
97In Stock
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 120 V CT/60 V 1.1 VA 10 mA/20 mA Through Hole Dual Primary Winding Dual Secondary Winding 34.9 mm 28.6 mm 24.6 mm DST
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-2
Datasheet
28In Stock
100Expected 10/13/2026
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 16 V CT/8 V 1.1 VA 70 mA/140 mA Through Hole Dual Primary Winding Dual Secondary Winding 34.9 mm 28.6 mm 24.6 mm DST
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-2
Datasheet
50In Stock
200Expected 10/23/2026
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 24 V CT/12 V 1.1 VA 45 mA/90 mA Through Hole Dual Primary Winding Dual Secondary Winding 34.9 mm 28.6 mm 24.6 mm DST
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-2
Datasheet
35In Stock
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 28 V CT/14 V 1.1 VA 40 mA/80 mA Through Hole Dual Primary Winding Dual Secondary Winding 34.9 mm 28.6 mm 24.6 mm DST
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-2
Datasheet
60In Stock
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 10 V CT/5 V 2.4 VA 250 mA/500 mA Through Hole Dual Primary Winding Dual Secondary Winding 34.9 mm 28.6 mm 30.8 mm DST
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-3
Datasheet
100In Stock
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 120 V CT/60 V 2.4 VA 20 mA/40 mA Through Hole Dual Primary Winding Dual Secondary Winding 34.9 mm 28.6 mm 30.8 mm DST
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-3
Datasheet
22In Stock
100Expected 11/3/2026
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 28 V CT/14 V 2.4 VA 85 mA/170 mA Through Hole Dual Primary Winding Dual Secondary Winding 34.9 mm 28.6 mm 30.8 mm DST
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-3
Datasheet
90In Stock
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 36 V CT/18 V 2.4 VA 65 mA/130 mA Through Hole Dual Primary Winding Dual Secondary Winding 34.9 mm 28.6 mm 30.8 mm DST
Bel Signal Transformer Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-4
Datasheet
35In Stock
Min.: 1
Mult.: 1

Class 2 Transformers 115 VAC, 230 VAC 120 V CT/60 V 6 VA 50 mA/100 mA Through Hole Dual Primary Winding Dual Secondary Winding 41.3 mm 33.3 mm 33.3 mm DST