industrial transformer Bel Fuse ST-4-20 with split bobbin dual cavity construction and rigid pin design
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
Negotiable
Product Description
Product Overview
The Signal ST/DST Series Split/Tran Specialty Purpose & Class 2 Transformers are designed for reliable signal applications. Featuring a split bobbin construction with dual cavities, these transformers offer 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 power requirements from 1.1 VA to 36 VA and are available in single or dual primary configurations.
Product Attributes
- Brand: Signal Transformer
- Series: ST / DST Series Split/Tran
- Construction: Split Bobbin with Dual Cavity
- Insulation System: Class F, 155 C
- Certifications: UL 1446, UL Recognized 506 / UL 5085-1, 2, CSA Certified C22.2 #66.1, cCSAus Certified C22.2 #66.3 / UL 5085-3, RoHS Compliant
- Customization: Custom versions available upon request
Technical Specifications
| Part Number | Secondary RMS Rating | Power (VA) | Primary Configuration | Secondary Configuration | Dielectric Strength (Vrms Hipot) | Insulation System | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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) / 5 V @ 0.5 A (9) | 2.4 | Single 115 V (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (9) / 5 V @ 1.2 A (11) | 6 | Single 115 V (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (11) / 5 V @ 2.4 A (13) | 12 | Single 115 V (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (4) / 6.3 V @ 0.4 A (8) | 2.4 | Single 115 V (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (9) / 6.3 V @ 1.0 A (11) | 6 | Single 115 V (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (11) / 6.3 V @ 2.0 A (13) | 12 | Single 115 V (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (3) / 8 V @ 0.3 A (6) | 2.4 | Single 115 V (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (7) / 8 V @ 0.8 A (10) | 6 | Single 115 V (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (10) / 8 V @ 1.6 A (12) | 12 | Single 115 V (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (2) / 10 V @ 0.24 A (5) | 2.4 | Single 115 V (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (6) / 10 V @ 0.6 A (9) | 6 | Single 115 V (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (9) / 10 V @ 1.2 A (11) | 12 | Single 115 V (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (1) / 12 V @ 0.2 A (4) | 2.4 | Single 115 V (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (5) / 12 V @ 0.5 A (9) | 6 | Single 115 V (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (9) / 12 V @ 1.0 A (11) | 12 | Single 115 V (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 @ 0.65A / 28 V @ 1.3 A | 36 | Single 115 V (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 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 (ST) / Dual 115/230 V (DST) | Series / Parallel | 2500 | Class F, 155 C | 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) | 1.1 (0.50) |
Note: Recommended secondary fuse values are indicated by numbers in parentheses next to the secondary ratings. See Accessories datasheet for mounting screw information.
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Changsha Purple Horn E-Commerce Co., Ltd.
Location
2332 Kaibin Commercial Plaza, No. 419 Shaoshan Middle Road, Shazitang Street, Yuhua District, Changsha City, Hunan Province
Contact Person
Sellina