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Class 2 Transformers Featuring Bel Fuse DST-5-12 Split Bobbin Design for Signal and Power Isolation
Class 2 Transformers Featuring Bel Fuse DST-5-12 Split Bobbin Design for Signal and Power Isolation
Specifications
Secondary Winding :
2
Isolation Voltage(Vrms) :
2.5kV
Primary Winding(s) :
2
Secondary Side Voltage :
6.3V;12.6V
Output Current :
2A;1A
Primary Side Voltage :
115V;230V
Description :
Through Hole-8P,47.8x39.6mm Power Transformers RoHS
Mfr. Part # :
DST-5-12
Model Number :
DST-5-12
Package :
Through Hole-8P,47.8x39.6mm
Description

Bel Fuse Signal ST / DST Series Split/Tran Specialty Purpose & Class 2 Transformers

Product Overview
The Bel Fuse Signal ST and DST series transformers are specialty purpose and Class 2 transformers designed for a wide range of applications. Utilizing a split bobbin with dual cavity construction, these transformers offer superior isolation and low capacitive coupling. The rigid pin construction ensures easier board insertion and enhanced reliability. They are suitable for applications requiring high isolation and are available in various power ratings from 1.1 VA to 36 VA.

  • Brand: Bel Fuse Signal
  • Series: ST / DST Series Split/Tran
  • Construction: Split Bobbin with Dual Cavity
  • Insulation System: Class F, 155 C
  • RoHS Compliant: Yes
  • Agency Certifications:
    • UL 1446 Class F 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
    • (#) UL Recognized UL5085-3, Inherently Limited File # E116583

Technical Specifications

Part Number Secondary RMS Rating Single 115 V (6 Pin) Dual 115/230 V (8 Pin) Power (VA) Dielectric Strength (Vrms Hipot) Insulation System Size (VA) Dimensions (L x W x H) Inches (mm) Weight lbs (kg)
ST-2-10**# / DST-2-10**# 10 VCT @ 0.11 A / 5 V @ 0.22 A 1.1 2500 Class F, 155 C 2 1.37 (34.9) x 1.12 (28.6) x 0.97 (24.6) 0.17 (0.08)
ST-3-10*# / DST-3-10*# 10 VCT @ 0.25 A (5) / 5 V @ 0.5 A (9) 2.4 2500 Class F, 155 C 3 1.37 (34.9) x 1.12 (28.6) x 1.21 (30.8) 0.25 (0.11)
ST-4-10*# / DST-4-10*# 10 VCT @ 0.6 A (9) / 5 V @ 1.2 A (11) 6 2500 Class F, 155 C 4 1.62 (41.3) x 1.31 (33.3) x 1.31 (33.3) 0.44 (0.20)
ST-5-10*# / DST-5-10*# 10 VCT @ 1.2 A (11) / 5 V @ 2.4 A (13) 12 2500 Class F, 155 C 5 1.91 (48.4) x 1.59 (40.4) x 1.45 (36.9) 0.70 (0.32)
ST-6-10 / DST-6-10 10 VCT @ 2.0 A / 5 V @ 4.0 A 20 2500 Class F, 155 C 6 2.25 (57.2) x 1.88 (47.8) x 1.45 (36.9) 0.80 (0.36)
ST-7-10 / DST-7-10 10 VCT @ 3.6 A / 5 V @ 7.2 A 36 2500 Class F, 155 C 7 2.62 (66.7) x 2.18 (55.5) x 1.59 (40.4) 1.1 (0.50)
ST-2-12**# / DST-2-12**# 12.6 VCT @ 0.09 A / 6.3 V @ 0.18 A 1.1 2500 Class F, 155 C 2 1.37 (34.9) x 1.12 (28.6) x 0.97 (24.6) 0.17 (0.08)
ST-3-12*# / DST-3-12*# 12.6 VCT @ 0.2 A (4) / 6.3 V @ 0.4 A (8) 2.4 2500 Class F, 155 C 3 1.37 (34.9) x 1.12 (28.6) x 1.21 (30.8) 0.25 (0.11)
ST-4-12*# / DST-4-12*# 12.6 VCT @ 0.5 A (9) / 6.3 V @ 1.0 A (11) 6 2500 Class F, 155 C 4 1.62 (41.3) x 1.31 (33.3) x 1.31 (33.3) 0.44 (0.20)
ST-5-12*# / DST-5-12*# 12.6 VCT @ 1.0 A (11) / 6.3 V @ 2.0 A (13) 12 2500 Class F, 155 C 5 1.91 (48.4) x 1.59 (40.4) x 1.45 (36.9) 0.70 (0.32)
ST-6-12 / DST-6-12 12.6 VCT @ 1.6 A / 6.3 V @ 3.2 A 20 2500 Class F, 155 C 6 2.25 (57.2) x 1.88 (47.8) x 1.45 (36.9) 0.80 (0.36)
ST-7-12 / DST-7-12 12.6 VCT @ 2.85 A / 6.3 V @ 5.7 A 36 2500 Class F, 155 C 7 2.62 (66.7) x 2.18 (55.5) x 1.59 (40.4) 1.1 (0.50)
ST-2-16**# / DST-2-16**# 16 VCT @ 0.07 A / 8 V @ 0.14 A 1.1 2500 Class F, 155 C 2 1.37 (34.9) x 1.12 (28.6) x 0.97 (24.6) 0.17 (0.08)
ST-3-16*# / DST-3-16*# 16 VCT @ 0.15 A (3) / 8 V @ 0.3 A (6) 2.4 2500 Class F, 155 C 3 1.37 (34.9) x 1.12 (28.6) x 1.21 (30.8) 0.25 (0.11)
ST-4-16*# / DST-4-16*# 16 VCT @ 0.4 A (7) / 8 V @ 0.8 A (10) 6 2500 Class F, 155 C 4 1.62 (41.3) x 1.31 (33.3) x 1.31 (33.3) 0.44 (0.20)
ST-5-16*# / DST-5-16*# 16 VCT @ 0.8 A (10) / 8 V @ 1.6 A (12) 12 2500 Class F, 155 C 5 1.91 (48.4) x 1.59 (40.4) x 1.45 (36.9) 0.70 (0.32)
ST-6-16 / DST-6-16 16 VCT @ 1.25 A / 8 V @ 2.5 A 20 2500 Class F, 155 C 6 2.25 (57.2) x 1.88 (47.8) x 1.45 (36.9) 0.80 (0.36)
ST-7-16 / DST-7-16 16 VCT @ 2.25 A / 8 V @ 4.5 A 36 2500 Class F, 155 C 7 2.62 (66.7) x 2.18 (55.5) x 1.59 (40.4) 1.1 (0.50)
ST-2-20**# / DST-2-20**# 20 VCT @ 0.055 A / 10 V @ 0.11 A 1.1 2500 Class F, 155 C 2 1.37 (34.9) x 1.12 (28.6) x 0.97 (24.6) 0.17 (0.08)
ST-3-20*# / DST-3-20*# 20 VCT @ 0.12 A (2) / 10 V @ 0.24 A (5) 2.4 2500 Class F, 155 C 3 1.37 (34.9) x 1.12 (28.6) x 1.21 (30.8) 0.25 (0.11)
ST-4-20*# / DST-4-20*# 20 VCT @ 0.3 A (6) / 10 V @ 0.6 A (9) 6 2500 Class F, 155 C 4 1.62 (41.3) x 1.31 (33.3) x 1.31 (33.3) 0.44 (0.20)
ST-5-20*# / DST-5-20*# 20 VCT @ 0.6 A (9) / 10 V @ 1.2 A (11) 12 2500 Class F, 155 C 5 1.91 (48.4) x 1.59 (40.4) x 1.45 (36.9) 0.70 (0.32)
ST-6-20 / DST-6-20 20 VCT @ 1.0 A / 10 V @ 2.0 A 20 2500 Class F, 155 C 6 2.25 (57.2) x 1.88 (47.8) x 1.45 (36.9) 0.80 (0.36)
ST-7-20 / DST-7-20 20 VCT @ 1.8 A / 10 V @ 3.6 A 36 2500 Class F, 155 C 7 2.62 (66.7) x 2.18 (55.5) x 1.59 (40.4) 1.1 (0.50)
ST-2-24**# / DST-2-24**# 24 VCT @ 0.045 A / 12 V @ 0.09 A 1.1 2500 Class F, 155 C 2 1.37 (34.9) x 1.12 (28.6) x 0.97 (24.6) 0.17 (0.08)
ST-3-24*# / DST-3-24*# 24 VCT @ 0.1 A (1) / 12 V @ 0.2 A (4) 2.4 2500 Class F, 155 C 3 1.37 (34.9) x 1.12 (28.6) x 1.21 (30.8) 0.25 (0.11)
ST-4-24*# / DST-4-24*# 24 VCT @ 0.25 A (5) / 12 V @ 0.5 A (9) 6 2500 Class F, 155 C 4 1.62 (41.3) x 1.31 (33.3) x 1.31 (33.3) 0.44 (0.20)
ST-5-24*# / DST-5-24*# 24 VCT @ 0.5 A (9) / 12 V @ 1.0 A (11) 12 2500 Class F, 155 C 5 1.91 (48.4) x 1.59 (40.4) x 1.45 (36.9) 0.70 (0.32)
ST-6-24 / DST-6-24 24 VCT @ 0.8 A / 12 V @ 1.6 A 20 2500 Class F, 155 C 6 2.25 (57.2) x 1.88 (47.8) x 1.45 (36.9) 0.80 (0.36)
ST-7-24 / DST-7-24 24 VCT @ 1.5 A / 12 V @ 3.0 A 36 2500 Class F, 155 C 7 2.62 (66.7) x 2.18 (55.5) x 1.59 (40.4) 1.1 (0.50)
ST-2-28 / DST-2-28 28 VCT @ 0.04 A / 14 V @ 0.08 A 1.1 2500 Class F, 155 C 2 1.37 (34.9) x 1.12 (28.6) x 0.97 (24.6) 0.17 (0.08)
ST-3-28 / DST-3-28 28 VCT @ 0.085 A / 14 V @ 0.17 A 2.4 2500 Class F, 155 C 3 1.37 (34.9) x 1.12 (28.6) x 1.21 (30.8) 0.25 (0.11)
ST-4-28 / DST-4-28 28 VCT @ 0.2 A / 14 V @ 0.4 A 6 2500 Class F, 155 C 4 1.62 (41.3) x 1.31 (33.3) x 1.31 (33.3) 0.44 (0.20)
ST-5-28 / DST-5-28 28 VCT @ 0.42 A / 14 V @ 0.84 A 12 2500 Class F, 155 C 5 1.91 (48.4) x 1.59 (40.4) x 1.45 (36.9) 0.70 (0.32)
ST-6-28 / DST-6-28 28 VCT @ 0.7 A / 14 V @ 1.4 A 20 2500 Class F, 155 C 6 2.25 (57.2) x 1.88 (47.8) x 1.45 (36.9) 0.80 (0.36)
ST-7-28 / DST-7-28 28 VCT @ 1.3 A / 14 V @ 2.6 A 36 2500 Class F, 155 C 7 2.62 (66.7) x 2.18 (55.5) x 1.59 (40.4) 1.1 (0.50)
ST-2-36 / DST-2-36 36 VCT @ 0.03 A / 18 V @ 0.06 A 1.1 2500 Class F, 155 C 2 1.37 (34.9) x 1.12 (28.6) x 0.97 (24.6) 0.17 (0.08)
ST-3-36 / DST-3-36 36 VCT @ 0.065 A / 18 V @ 0.13 A 2.4 2500 Class F, 155 C 3 1.37 (34.9) x 1.12 (28.6) x 1.21 (30.8) 0.25 (0.11)
ST-4-36 / DST-4-36 36 VCT @ 0.17 A / 18 V @ 0.34 A 6 2500 Class F, 155 C 4 1.62 (41.3) x 1.31 (33.3) x 1.31 (33.3) 0.44 (0.20)
ST-5-36 / DST-5-36 36 VCT @ 0.35 A / 18 V @ 0.7 A 12 2500 Class F, 155 C 5 1.91 (48.4) x 1.59 (40.4) x 1.45 (36.9) 0.70 (0.32)
ST-6-36 / DST-6-36 36 VCT @ 0.55 A / 18 V @ 1.1 A 20 2500 Class F, 155 C 6 2.25 (57.2) x 1.88 (47.8) x 1.45 (36.9) 0.80 (0.36)
ST-7-36 / DST-7-36 36 VCT @ 1.0 A / 18 V @ 2.0 A 36 2500 Class F, 155 C 7 2.62 (66.7) x 2.18 (55.5) x 1.59 (40.4) 1.1 (0.50)
ST-2-48 / DST-2-48 48 VCT @ 0.023 A / 24 V @ 0.046 A 1.1 2500 Class F, 155 C 2 1.37 (34.9) x 1.12 (28.6) x 0.97 (24.6) 0.17 (0.08)
ST-3-48 / DST-3-48 48 VCT @ 0.05 A / 24 V @ 0.1 A 2.4 2500 Class F, 155 C 3 1.37 (34.9) x 1.12 (28.6) x 1.21 (30.8) 0.25 (0.11)
ST-4-48 / DST-4-48 48 VCT @ 0.125 A / 24 V @ 0.25 A 6 2500 Class F, 155 C 4 1.62 (41.3) x 1.31 (33.3) x 1.31 (33.3) 0.44 (0.20)
ST-5-48 / DST-5-48 48 VCT @ 0.25 A / 24 V @ 0.5 A 12 2500 Class F, 155 C 5 1.91 (48.4) x 1.59 (40.4) x 1.45 (36.9) 0.70 (0.32)
ST-6-48 / DST-6-48 48 VCT @ 0.4 A / 24 V @ 0.8 A 20 2500 Class F, 155 C 6 2.25 (57.2) x 1.88 (47.8) x 1.45 (36.9) 0.80 (0.36)
ST-7-48 / DST-7-48 48 VCT @ 0.75 A / 24 V @ 1.5 A 36 2500 Class F, 155 C 7 2.62 (66.7) x 2.18 (55.5) x 1.59 (40.4) 1.1 (0.50)
ST-2-56 / DST-2-56 56 VCT @ 0.02 A / 28 V @ 0.04 A 1.1 2500 Class F, 155 C 2 1.37 (34.9) x 1.12 (28.6) x 0.97 (24.6) 0.17 (0.08)
ST-3-56 / DST-3-56 56 VCT @ 0.045 A / 28 V @ 0.09 A 2.4 2500 Class F, 155 C 3 1.37 (34.9) x 1.12 (28.6) x 1.21 (30.8) 0.25 (0.11)
ST-4-56 / DST-4-56 56 VCT @ 0.11 A / 28 V @ 0.22 A 6 2500 Class F, 155 C 4 1.62 (41.3) x 1.31 (33.3) x 1.31 (33.3) 0.44 (0.20)
ST-5-56 / DST-5-56 56 VCT @ 0.22 A / 28 V @ 0.44 A 12 2500 Class F, 155 C 5 1.91 (48.4) x 1.59 (40.4) x 1.45 (36.9) 0.70 (0.32)
ST-6-56 / DST-6-56 56 VCT @ 0.35 A / 28 V @ 0.7 A 20 2500 Class F, 155 C 6 2.25 (57.2) x 1.88 (47.8) x 1.45 (36.9) 0.80 (0.36)
ST-7-56 / DST-7-56 56 VCT @ 0.65A / 28 V @ 1.3 A 36 2500 Class F, 155 C 7 2.62 (66.7) x 2.18 (55.5) x 1.59 (40.4) 1.1 (0.50)
ST-2-120 / DST-2-120 120 VCT @ 0.01 A / 60 V @ 0.02 A 1.1 2500 Class F, 155 C 2 1.37 (34.9) x 1.12 (28.6) x 0.97 (24.6) 0.17 (0.08)
ST-3-120 / DST-3-120 120 VCT @ 0.02 A / 60 V @ 0.04 A 2.4 2500 Class F, 155 C 3 1.37 (34.9) x 1.12 (28.6) x 1.21 (30.8) 0.25 (0.11)
ST-4-120 / DST-4-120 120 VCT @ 0.05 A / 60 V @ 0.1 A 6 2500 Class F, 155 C 4 1.62 (41.3) x 1.31 (33.3) x 1.31 (33.3) 0.44 (0.20)
ST-5-120 / DST-5-120 120 VCT @ 0.1 A / 60 V @ 0.2 A 12 2500 Class F, 155 C 5 1.91 (48.4) x 1.59 (40.4) x 1.45 (36.9) 0.70 (0.32)
ST-6-120 / DST-6-120 120 VCT @ 0.16 A / 60 V @ 0.32 A 20 2500 Class F, 155 C 6 2.25 (57.2) x 1.88 (47.8) x 1.45 (36.9) 0.80 (0.36)
ST-7-120 / DST-7-120 120 VCT @ 0.3 A / 60 V @ 0.6 A 36 2500 Class F, 155 C 7 2.62 (66.7) x 2.18 (55.5) x 1.59 (40.4) 1.1 (0.50)

Note: Recommended secondary fuse values are indicated by numbers in parentheses in the 'Secondary RMS Rating' column. See Accessories datasheet for mounting screw information.


2411272143_Bel-Fuse-DST-5-12_C17665002.pdf
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Class 2 Transformers Featuring Bel Fuse DST-5-12 Split Bobbin Design for Signal and Power Isolation

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Product Detail
Secondary Winding :
2
Isolation Voltage(Vrms) :
2.5kV
Primary Winding(s) :
2
Secondary Side Voltage :
6.3V;12.6V
Output Current :
2A;1A
Primary Side Voltage :
115V;230V
Contact Supplier
Class 2 Transformers Featuring Bel Fuse DST-5-12 Split Bobbin Design for Signal and Power Isolation

Changsha Purple Horn E-Commerce Co., Ltd.

Verified Supplier
1 Years
hunan, changsha
Since 2009
Business Type :
Manufacturer, Distributor/Wholesaler, Agent, Importer
Main Products :
Current Transformers, Pulse Transformers, Power Transformers
Employee Number :
>300
Certification Level :
Verified Supplier
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