<
>
Specifications
Secondary Winding:
2
Isolation Voltage(Vrms):
2.5kV
Primary Winding(s):
2
Secondary Side Voltage:
60V;120V
Output Current:
100mA;50mA
Primary Side Voltage:
115V;230V
Mfr. Part #:
DST-4-120
Package:
Through Hole-8P,41.3x33.3mm
Key Attributes
Model Number:
DST-4-120
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 compliant with UL, CSA, and RoHS standards. Custom versions are available upon request.
Product Attributes
- Brand: Signal Transformer
- Series: ST / DST Series Split/Tran
- 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)
- RoHS Compliant: Yes
- Origin: USA (implied by address)
Technical Specifications
| Part Number | Secondary RMS Rating (Series) | Secondary RMS Rating (Parallel) | VA Rating | Primary Configuration | Pin Configuration | Dimensions (L x W x H) | 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 (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 V @ 0.5 A | ~2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | 5 V @ 1.2 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | 5 V @ 2.4 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | 6.3 V @ 0.4 A | ~2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | 6.3 V @ 1.0 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | 6.3 V @ 2.0 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | 8 V @ 0.3 A | ~2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | 8 V @ 0.8 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | 8 V @ 1.6 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | 10 V @ 0.24 A | ~2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | 10 V @ 0.6 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | 10 V @ 1.2 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | 12 V @ 0.2 A | ~2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | 12 V @ 0.5 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | 12 V @ 1.0 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 @ 0.65 A | 28 V @ 1.3 A | 36 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 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 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2.62 (66.7) x 2.18 (55.5) x 1.59 (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 | ||||||
| Electrostatic Shield | Not necessary, split bobbin construction | ||||||
| Insulation System | Class F, 155 C | ||||||
| Mounting Hardware | See chart (ST-MS screw, ST-MN nut available from Signal) | ||||||
| Size 7 Mounting | 4 mounting holes on 2.18 x 1.75 centers for #6 screws. | ||||||
Note on Part Number Suffixes:
**# CSA certified as Inherently Limited
*# CSA certified as Non Inherently Limited - see recommended fuse rating table.
# UL Recognized UL5085-3, Inherently Limited File # E116583
Recommended Secondary Fuse Values (Referenced by number in Part Number Selection table):
(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
Specifications subject to change without notice.
2411272143_Bel-Fuse-DST-4-120_C17410504.pdf
Request A Quote
Please Use Our Online Inquiry Contact Form Below If You Have Any Questions, Our Team Will Get Back To You As Soon As Possible
