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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:
5.7A;2.85A
Primary Side Voltage:
115V;230V
Mfr. Part #:
DST-7-12
Package:
Through Hole-8P,66.7x55.5mm
Key Attributes
Model Number:
DST-7-12
Product Description
Product Overview
The Signal ST/DST Series Split/Tran Specialty Purpose & Class 2 Transformers are designed for printed circuit board mounting, utilizing a split bobbin construction with dual cavities to provide superior isolation and low capacitive coupling. Their rigid pin construction ensures easier board insertion and enhanced reliability. These transformers are suitable for a wide range of applications requiring reliable power conversion and isolation, from 1.1 VA to 36 VA.
Product Attributes
- Brand: Signal (Bel Fuse)
- Series: ST / DST Series Split/Tran
- Construction: Split Bobbin with Dual Cavity
- Pin Construction: Rigid
- Insulation System: Class F, 155 C
- Certifications: UL 1446 Class F, UL Recognized 506 / UL 5085-1, 2, CSA certified to C22.2 #66.1, cCSAus certified to C22.2 #66.3 / UL 5085-3, UL Recognized UL5085-3 Inherently Limited
- Compliance: RoHS Compliant
- Customization: Custom versions available upon request.
Technical Specifications
| Part Number | Secondary RMS Rating (Series) | Secondary RMS Rating (Parallel) | Power (VA) | Primary Configuration | Pin Configuration | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) | 0.17 (0.08) |
| ST-3-10*# / DST-3-10*# | 10 VCT @ 0.25 A | 5 V @ 0.5 A | 2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) | 0.25 (0.11) |
| ST-4-10*# / DST-4-10*# | 10 VCT @ 0.6 A | 5 V @ 1.2 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) | 0.44 (0.20) |
| ST-5-10*# / DST-5-10*# | 10 VCT @ 1.2 A | 5 V @ 2.4 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) | 0.70 (0.32) |
| ST-6-10 / DST-6-10 | 10 VCT @ 2.0 A | 5 V @ 4.0 A | 20 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) | 0.80 (0.36) |
| ST-7-10 / DST-7-10 | 10 VCT @ 3.6 A | 5 V @ 7.2 A | 36 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) | 0.17 (0.08) |
| ST-3-12*# / DST-3-12*# | 12.6 VCT @ 0.2 A | 6.3 V @ 0.4 A | 2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) | 0.25 (0.11) |
| ST-4-12*# / DST-4-12*# | 12.6 VCT @ 0.5 A | 6.3 V @ 1.0 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) | 0.44 (0.20) |
| ST-5-12*# / DST-5-12*# | 12.6 VCT @ 1.0 A | 6.3 V @ 2.0 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) | 1.1 (0.50) |
| ST-2-16**# / DST-2-16**# | 16 VCT @ 0.07 A | 8 V @ 0.14 A | 1.1 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) | 0.17 (0.08) |
| ST-3-16*# / DST-3-16*# | 16 VCT @ 0.15 A | 8 V @ 0.3 A | 2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) | 0.25 (0.11) |
| ST-4-16*# / DST-4-16*# | 16 VCT @ 0.4 A | 8 V @ 0.8 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) | 0.44 (0.20) |
| ST-5-16*# / DST-5-16*# | 16 VCT @ 0.8 A | 8 V @ 1.6 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) | 0.70 (0.32) |
| ST-6-16 / DST-6-16 | 16 VCT @ 1.25 A | 8 V @ 2.5 A | 20 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) | 0.80 (0.36) |
| ST-7-16 / DST-7-16 | 16 VCT @ 2.25 A | 8 V @ 4.5 A | 36 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) | 1.1 (0.50) |
| ST-2-20**# / DST-2-20**# | 20 VCT @ 0.055 A | 10 V @ 0.11 A | 1.1 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) | 0.17 (0.08) |
| ST-3-20*# / DST-3-20*# | 20 VCT @ 0.12 A | 10 V @ 0.24 A | 2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) | 0.25 (0.11) |
| ST-4-20*# / DST-4-20*# | 20 VCT @ 0.3 A | 10 V @ 0.6 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) | 0.44 (0.20) |
| ST-5-20*# / DST-5-20*# | 20 VCT @ 0.6 A | 10 V @ 1.2 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) | 0.70 (0.32) |
| ST-6-20 / DST-6-20 | 20 VCT @ 1.0 A | 10 V @ 2.0 A | 20 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) | 0.80 (0.36) |
| ST-7-20 / DST-7-20 | 20 VCT @ 1.8 A | 10 V @ 3.6 A | 36 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) | 1.1 (0.50) |
| ST-2-24**# / DST-2-24**# | 24 VCT @ 0.045 A | 12 V @ 0.09 A | 1.1 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) | 0.17 (0.08) |
| ST-3-24*# / DST-3-24*# | 24 VCT @ 0.1 A | 12 V @ 0.2 A | 2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) | 0.25 (0.11) |
| ST-4-24*# / DST-4-24*# | 24 VCT @ 0.25 A | 12 V @ 0.5 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) | 0.44 (0.20) |
| ST-5-24*# / DST-5-24*# | 24 VCT @ 0.5 A | 12 V @ 1.0 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) | 0.70 (0.32) |
| ST-6-24 / DST-6-24 | 24 VCT @ 0.8 A | 12 V @ 1.6 A | 20 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) | 0.80 (0.36) |
| ST-7-24 / DST-7-24 | 24 VCT @ 1.5 A | 12 V @ 3.0 A | 36 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) | 1.1 (0.50) |
| ST-2-28 / DST-2-28 | 28 VCT @ 0.04 A | 14 V @ 0.08 A | 1.1 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) | 0.17 (0.08) |
| ST-3-28 / DST-3-28 | 28 VCT @ 0.085 A | 14 V @ 0.17 A | 2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) | 0.25 (0.11) |
| ST-4-28 / DST-4-28 | 28 VCT @ 0.2 A | 14 V @ 0.4 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) | 0.44 (0.20) |
| ST-5-28 / DST-5-28 | 28 VCT @ 0.42 A | 14 V @ 0.84 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) | 0.70 (0.32) |
| ST-6-28 / DST-6-28 | 28 VCT @ 0.7 A | 14 V @ 1.4 A | 20 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) | 0.80 (0.36) |
| ST-7-28 / DST-7-28 | 28 VCT @ 1.3 A | 14 V @ 2.6 A | 36 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) | 1.1 (0.50) |
| ST-2-36 / DST-2-36 | 36 VCT @ 0.03 A | 18 V @ 0.06 A | 1.1 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) | 0.17 (0.08) |
| ST-3-36 / DST-3-36 | 36 VCT @ 0.065 A | 18 V @ 0.13 A | 2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) | 0.25 (0.11) |
| ST-4-36 / DST-4-36 | 36 VCT @ 0.17 A | 18 V @ 0.34 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) | 0.44 (0.20) |
| ST-5-36 / DST-5-36 | 36 VCT @ 0.35 A | 18 V @ 0.7 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) | 0.70 (0.32) |
| ST-6-36 / DST-6-36 | 36 VCT @ 0.55 A | 18 V @ 1.1 A | 20 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) | 0.80 (0.36) |
| ST-7-36 / DST-7-36 | 36 VCT @ 1.0 A | 18 V @ 2.0 A | 36 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) | 1.1 (0.50) |
| ST-2-48 / DST-2-48 | 48 VCT @ 0.023 A | 24 V @ 0.046 A | 1.1 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) | 0.17 (0.08) |
| ST-3-48 / DST-3-48 | 48 VCT @ 0.05 A | 24 V @ 0.1 A | 2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) | 0.25 (0.11) |
| ST-4-48 / DST-4-48 | 48 VCT @ 0.125 A | 24 V @ 0.25 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) | 0.44 (0.20) |
| ST-5-48 / DST-5-48 | 48 VCT @ 0.25 A | 24 V @ 0.5 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) | 0.70 (0.32) |
| ST-6-48 / DST-6-48 | 48 VCT @ 0.4 A | 24 V @ 0.8 A | 20 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) | 0.80 (0.36) |
| ST-7-48 / DST-7-48 | 48 VCT @ 0.75 A | 24 V @ 1.5 A | 36 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) | 1.1 (0.50) |
| ST-2-56 / DST-2-56 | 56 VCT @ 0.02 A | 28 V @ 0.04 A | 1.1 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) | 0.17 (0.08) |
| ST-3-56 / DST-3-56 | 56 VCT @ 0.045 A | 28 V @ 0.09 A | 2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) | 0.25 (0.11) |
| ST-4-56 / DST-4-56 | 56 VCT @ 0.11 A | 28 V @ 0.22 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) | 0.44 (0.20) |
| ST-5-56 / DST-5-56 | 56 VCT @ 0.22 A | 28 V @ 0.44 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) | 0.70 (0.32) |
| ST-6-56 / DST-6-56 | 56 VCT @ 0.35 A | 28 V @ 0.7 A | 20 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) | 0.80 (0.36) |
| ST-7-56 / DST-7-56 | 56 VCT @ 0.65 A | 28 V @ 1.3 A | 36 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) | 1.1 (0.50) |
| ST-2-120 / DST-2-120 | 120 VCT @ 0.01 A | 60 V @ 0.02 A | 1.1 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) | 0.17 (0.08) |
| ST-3-120 / DST-3-120 | 120 VCT @ 0.02 A | 60 V @ 0.04 A | 2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) | 0.25 (0.11) |
| ST-4-120 / DST-4-120 | 120 VCT @ 0.05 A | 60 V @ 0.1 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) | 0.44 (0.20) |
| ST-5-120 / DST-5-120 | 120 VCT @ 0.1 A | 60 V @ 0.2 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) | 0.70 (0.32) |
| ST-6-120 / DST-6-120 | 120 VCT @ 0.16 A | 60 V @ 0.32 A | 20 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) | 0.80 (0.36) |
| ST-7-120 / DST-7-120 | 120 VCT @ 0.3 A | 60 V @ 0.6 A | 36 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) | 1.1 (0.50) |
| 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 configuration available. Electrostatic Shield: Not necessary due to split bobbin construction. Insulation System: Class F, 155 C. Mounting Hardware: See chart (Optional mounting screw & nut available: ST-MS, ST-MN). Size 7 has 4 mounting holes on 2.18 x 1.75 centers for #6 screws. | |||||||
| Recommended Secondary Fuse Values: (1) 0.125 A, (2) 0.15 A, (3) 0.25 A, (4) 0.3 A, (5) 0.375 A, (6) 0.4 A, (7) 0.5 A, (8) 0.6 A, (9) 0.75 A, (10) 1.0 A, (11) 1.5 A, (12) 2.0 A, (13) 3.0 A | |||||||
Note: Specifications are subject to change without notice.
2411272143_Bel-Fuse-DST-7-12_C17181838.pdf
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