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Specifications
Secondary Winding:
2
Isolation Voltage(Vrms):
2.5kV
Primary Winding(s):
2
Secondary Side Voltage:
8V;16V
Output Current:
4.5A;2.25A
Primary Side Voltage:
115V;230V
Mfr. Part #:
DST-7-16
Package:
Through Hole-8P,66.7x55.5mm
Key Attributes
Model Number:
DST-7-16
Product Description
Product Overview
The Signal ST/DST Series Split/Tran Specialty Purpose & Class 2 Transformers are designed for high isolation and low capacitive coupling, utilizing a dual cavity platform. These split bobbin transformers feature rigid pin construction for enhanced board insertion reliability. They are suitable for a wide range of power applications from 1.1 VA to 36 VA and are recognized by UL and CSA for safety and insulation systems. Custom versions are available upon request.
Product Attributes
- Brand: Signal Transformer
- Series: ST / DST Series Split/Tran
- Construction: Split Bobbin with Dual Cavity
- Insulation System: Class F, 155 C
- Agency Certifications: UL 1446, 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
Technical Specifications
| Model | VA Rating | Secondary RMS Rating (Series) | Secondary RMS Rating (Parallel) | Primary Voltage | Frequency | Dielectric Strength | Dimensions (L x W x H) | Weight (lbs / kg) |
|---|---|---|---|---|---|---|---|---|
| ST-2-10**# / DST-2-10**# | 1.1 | 10 VCT @ 0.11 A | 5 V @ 0.22 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.37 (34.9) x 1.12 (28.6) x 0.97 (24.6) | 0.17 (0.08) |
| ST-3-10*# / DST-3-10*# | 2.4 | 10 VCT @ 0.25 A | 5 V @ 0.5 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.37 (34.9) x 1.12 (28.6) x 1.21 (30.8) | 0.25 (0.11) |
| ST-4-10*# / DST-4-10*# | 6 | 10 VCT @ 0.6 A | 5 V @ 1.2 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.62 (41.3) x 1.31 (33.3) x 1.31 (33.3) | 0.44 (0.20) |
| ST-5-10*# / DST-5-10*# | 12 | 10 VCT @ 1.2 A | 5 V @ 2.4 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.91 (48.4) x 1.59 (40.4) x 1.45 (36.9) | 0.70 (0.32) |
| ST-6-10 / DST-6-10 | 20 | 10 VCT @ 2.0 A | 5 V @ 4.0 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 2.25 (57.2) x 1.88 (47.8) x 1.45 (36.9) | 0.80 (0.36) |
| ST-7-10 / DST-7-10 | 36 | 10 VCT @ 3.6 A | 5 V @ 7.2 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 2.62 (66.7) x 2.18 (55.5) x 1.59 (40.4) | 1.1 (0.50) |
| ST-2-12**# / DST-2-12**# | 1.1 | 12.6 VCT @ 0.09 A | 6.3 V @ 0.18 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.37 (34.9) x 1.12 (28.6) x 0.97 (24.6) | 0.17 (0.08) |
| ST-3-12*# / DST-3-12*# | 2.4 | 12.6 VCT @ 0.2 A | 6.3 V @ 0.4 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.37 (34.9) x 1.12 (28.6) x 1.21 (30.8) | 0.25 (0.11) |
| ST-4-12*# / DST-4-12*# | 6 | 12.6 VCT @ 0.5 A | 6.3 V @ 1.0 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 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 | 12.6 VCT @ 1.0 A | 6.3 V @ 2.0 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.91 (48.4) x 1.59 (40.4) x 1.45 (36.9) | 0.70 (0.32) |
| ST-6-12 / DST-6-12 | 20 | 12.6 VCT @ 1.6 A | 6.3 V @ 3.2 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 2.25 (57.2) x 1.88 (47.8) x 1.45 (36.9) | 0.80 (0.36) |
| ST-7-12 / DST-7-12 | 36 | 12.6 VCT @ 2.85 A | 6.3 V @ 5.7 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 2.62 (66.7) x 2.18 (55.5) x 1.59 (40.4) | 1.1 (0.50) |
| ST-2-16**# / DST-2-16**# | 1.1 | 16 VCT @ 0.07 A | 8 V @ 0.14 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.37 (34.9) x 1.12 (28.6) x 0.97 (24.6) | 0.17 (0.08) |
| ST-3-16*# / DST-3-16*# | 2.4 | 16 VCT @ 0.15 A | 8 V @ 0.3 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.37 (34.9) x 1.12 (28.6) x 1.21 (30.8) | 0.25 (0.11) |
| ST-4-16*# / DST-4-16*# | 6 | 16 VCT @ 0.4 A | 8 V @ 0.8 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.62 (41.3) x 1.31 (33.3) x 1.31 (33.3) | 0.44 (0.20) |
| ST-5-16*# / DST-5-16*# | 12 | 16 VCT @ 0.8 A | 8 V @ 1.6 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.91 (48.4) x 1.59 (40.4) x 1.45 (36.9) | 0.70 (0.32) |
| ST-6-16 / DST-6-16 | 20 | 16 VCT @ 1.25 A | 8 V @ 2.5 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 2.25 (57.2) x 1.88 (47.8) x 1.45 (36.9) | 0.80 (0.36) |
| ST-7-16 / DST-7-16 | 36 | 16 VCT @ 2.25 A | 8 V @ 4.5 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 2.62 (66.7) x 2.18 (55.5) x 1.59 (40.4) | 1.1 (0.50) |
| ST-2-20**# / DST-2-20**# | 1.1 | 20 VCT @ 0.055 A | 10 V @ 0.11 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.37 (34.9) x 1.12 (28.6) x 0.97 (24.6) | 0.17 (0.08) |
| ST-3-20*# / DST-3-20*# | 2.4 | 20 VCT @ 0.12 A | 10 V @ 0.24 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.37 (34.9) x 1.12 (28.6) x 1.21 (30.8) | 0.25 (0.11) |
| ST-4-20*# / DST-4-20*# | 6 | 20 VCT @ 0.3 A | 10 V @ 0.6 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.62 (41.3) x 1.31 (33.3) x 1.31 (33.3) | 0.44 (0.20) |
| ST-5-20*# / DST-5-20*# | 12 | 20 VCT @ 0.6 A | 10 V @ 1.2 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 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 | 20 VCT @ 1.0 A | 10 V @ 2.0 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 2.25 (57.2) x 1.88 (47.8) x 1.45 (36.9) | 0.80 (0.36) |
| ST-7-20 / DST-7-20 | 36 | 20 VCT @ 1.8 A | 10 V @ 3.6 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 2.62 (66.7) x 2.18 (55.5) x 1.59 (40.4) | 1.1 (0.50) |
| ST-2-24**# / DST-2-24**# | 1.1 | 24 VCT @ 0.045 A | 12 V @ 0.09 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.37 (34.9) x 1.12 (28.6) x 0.97 (24.6) | 0.17 (0.08) |
| ST-3-24*# / DST-3-24*# | 2.4 | 24 VCT @ 0.1 A | 12 V @ 0.2 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.37 (34.9) x 1.12 (28.6) x 1.21 (30.8) | 0.25 (0.11) |
| ST-4-24*# / DST-4-24*# | 6 | 24 VCT @ 0.25 A | 12 V @ 0.5 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.62 (41.3) x 1.31 (33.3) x 1.31 (33.3) | 0.44 (0.20) |
| ST-5-24*# / DST-5-24*# | 12 | 24 VCT @ 0.5 A | 12 V @ 1.0 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.91 (48.4) x 1.59 (40.4) x 1.45 (36.9) | 0.70 (0.32) |
| ST-6-24 / DST-6-24 | 20 | 24 VCT @ 0.8 A | 12 V @ 1.6 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 2.25 (57.2) x 1.88 (47.8) x 1.45 (36.9) | 0.80 (0.36) |
| ST-7-24 / DST-7-24 | 36 | 24 VCT @ 1.5 A | 12 V @ 3.0 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 2.62 (66.7) x 2.18 (55.5) x 1.59 (40.4) | 1.1 (0.50) |
| ST-2-28 / DST-2-28 | 1.1 | 28 VCT @ 0.04 A | 14 V @ 0.08 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.37 (34.9) x 1.12 (28.6) x 0.97 (24.6) | 0.17 (0.08) |
| ST-3-28 / DST-3-28 | 2.4 | 28 VCT @ 0.085 A | 14 V @ 0.17 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.37 (34.9) x 1.12 (28.6) x 1.21 (30.8) | 0.25 (0.11) |
| ST-4-28 / DST-4-28 | 6 | 28 VCT @ 0.2 A | 14 V @ 0.4 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.62 (41.3) x 1.31 (33.3) x 1.31 (33.3) | 0.44 (0.20) |
| ST-5-28 / DST-5-28 | 12 | 28 VCT @ 0.42 A | 14 V @ 0.84 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.91 (48.4) x 1.59 (40.4) x 1.45 (36.9) | 0.70 (0.32) |
| ST-6-28 / DST-6-28 | 20 | 28 VCT @ 0.7 A | 14 V @ 1.4 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 2.25 (57.2) x 1.88 (47.8) x 1.45 (36.9) | 0.80 (0.36) |
| ST-7-28 / DST-7-28 | 36 | 28 VCT @ 1.3 A | 14 V @ 2.6 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 2.62 (66.7) x 2.18 (55.5) x 1.59 (40.4) | 1.1 (0.50) |
| ST-2-36 / DST-2-36 | 1.1 | 36 VCT @ 0.03 A | 18 V @ 0.06 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.37 (34.9) x 1.12 (28.6) x 0.97 (24.6) | 0.17 (0.08) |
| ST-3-36 / DST-3-36 | 2.4 | 36 VCT @ 0.065 A | 18 V @ 0.13 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.37 (34.9) x 1.12 (28.6) x 1.21 (30.8) | 0.25 (0.11) |
| ST-4-36 / DST-4-36 | 6 | 36 VCT @ 0.17 A | 18 V @ 0.34 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.62 (41.3) x 1.31 (33.3) x 1.31 (33.3) | 0.44 (0.20) |
| ST-5-36 / DST-5-36 | 12 | 36 VCT @ 0.35 A | 18 V @ 0.7 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.91 (48.4) x 1.59 (40.4) x 1.45 (36.9) | 0.70 (0.32) |
| ST-6-36 / DST-6-36 | 20 | 36 VCT @ 0.55 A | 18 V @ 1.1 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 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 | 36 VCT @ 1.0 A | 18 V @ 2.0 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 2.62 (66.7) x 2.18 (55.5) x 1.59 (40.4) | 1.1 (0.50) |
| ST-2-48 / DST-2-48 | 1.1 | 48 VCT @ 0.023 A | 24 V @ 0.046 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.37 (34.9) x 1.12 (28.6) x 0.97 (24.6) | 0.17 (0.08) |
| ST-3-48 / DST-3-48 | 2.4 | 48 VCT @ 0.05 A | 24 V @ 0.1 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.37 (34.9) x 1.12 (28.6) x 1.21 (30.8) | 0.25 (0.11) |
| ST-4-48 / DST-4-48 | 6 | 48 VCT @ 0.125 A | 24 V @ 0.25 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.62 (41.3) x 1.31 (33.3) x 1.31 (33.3) | 0.44 (0.20) |
| ST-5-48 / DST-5-48 | 12 | 48 VCT @ 0.25 A | 24 V @ 0.5 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.91 (48.4) x 1.59 (40.4) x 1.45 (36.9) | 0.70 (0.32) |
| ST-6-48 / DST-6-48 | 20 | 48 VCT @ 0.4 A | 24 V @ 0.8 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 2.25 (57.2) x 1.88 (47.8) x 1.45 (36.9) | 0.80 (0.36) |
| ST-7-48 / DST-7-48 | 36 | 48 VCT @ 0.75 A | 24 V @ 1.5 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 2.62 (66.7) x 2.18 (55.5) x 1.59 (40.4) | 1.1 (0.50) |
| ST-2-56 / DST-2-56 | 1.1 | 56 VCT @ 0.02 A | 28 V @ 0.04 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.37 (34.9) x 1.12 (28.6) x 0.97 (24.6) | 0.17 (0.08) |
| ST-3-56 / DST-3-56 | 2.4 | 56 VCT @ 0.045 A | 28 V @ 0.09 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.37 (34.9) x 1.12 (28.6) x 1.21 (30.8) | 0.25 (0.11) |
| ST-4-56 / DST-4-56 | 6 | 56 VCT @ 0.11 A | 28 V @ 0.22 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.62 (41.3) x 1.31 (33.3) x 1.31 (33.3) | 0.44 (0.20) |
| ST-5-56 / DST-5-56 | 12 | 56 VCT @ 0.22 A | 28 V @ 0.44 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.91 (48.4) x 1.59 (40.4) x 1.45 (36.9) | 0.70 (0.32) |
| ST-6-56 / DST-6-56 | 20 | 56 VCT @ 0.35 A | 28 V @ 0.7 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 2.25 (57.2) x 1.88 (47.8) x 1.45 (36.9) | 0.80 (0.36) |
| ST-7-56 / DST-7-56 | 36 | 56 VCT @ 0.65A | 28 V @ 1.3 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 2.62 (66.7) x 2.18 (55.5) x 1.59 (40.4) | 1.1 (0.50) |
| ST-2-120 / DST-2-120 | 1.1 | 120 VCT @ 0.01 A | 60 V @ 0.02 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.37 (34.9) x 1.12 (28.6) x 0.97 (24.6) | 0.17 (0.08) |
| ST-3-120 / DST-3-120 | 2.4 | 120 VCT @ 0.02 A | 60 V @ 0.04 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.37 (34.9) x 1.12 (28.6) x 1.21 (30.8) | 0.25 (0.11) |
| ST-4-120 / DST-4-120 | 6 | 120 VCT @ 0.05 A | 60 V @ 0.1 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.62 (41.3) x 1.31 (33.3) x 1.31 (33.3) | 0.44 (0.20) |
| ST-5-120 / DST-5-120 | 12 | 120 VCT @ 0.1 A | 60 V @ 0.2 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 1.91 (48.4) x 1.59 (40.4) x 1.45 (36.9) | 0.70 (0.32) |
| ST-6-120 / DST-6-120 | 20 | 120 VCT @ 0.16 A | 60 V @ 0.32 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 2.25 (57.2) x 1.88 (47.8) x 1.45 (36.9) | 0.80 (0.36) |
| ST-7-120 / DST-7-120 | 36 | 120 VCT @ 0.3 A | 60 V @ 0.6 A | 115 V (ST) / 115/230 V (DST) | 50/60 Hz | 2500 Vrms Hipot | 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 next to the current ratings in the part number selection table. Mounting hardware is available separately (ST-MS for screw, ST-MN for nut). Size 7 has 4 mounting holes on 2.18 x 1.75 centers for #6 screws.
2411272143_Bel-Fuse-DST-7-16_C17271015.pdf
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