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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
Mfr. Part #:
DST-5-12
Package:
Through Hole-8P,47.8x39.6mm
Key Attributes
Model Number:
DST-5-12
Product 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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