| Secondary Winding | 2 |
| Isolation Voltage(Vrms) | 2.5kV |
| Primary Winding(s) | 1 |
| Secondary Side Voltage | 10V;20V |
| Output Current | 240mA;120mA |
| Primary Side Voltage | 115V |
| Description | 115V Through Hole-6P,34.9x28.6mm Power Transformers RoHS |
| Mfr. Part # | ST-3-20 |
| Package | Through Hole-6P,34.9x28.6mm |
| Model Number | ST-3-20 |
View Detail Information
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Product Specification
| Secondary Winding | 2 | Isolation Voltage(Vrms) | 2.5kV |
| Primary Winding(s) | 1 | Secondary Side Voltage | 10V;20V |
| Output Current | 240mA;120mA | Primary Side Voltage | 115V |
| Description | 115V Through Hole-6P,34.9x28.6mm Power Transformers RoHS | Mfr. Part # | ST-3-20 |
| Package | Through Hole-6P,34.9x28.6mm | Model Number | ST-3-20 |
The Signal ST / DST Series Split/Tran Specialty Purpose & Class 2 Transformers are designed for printed circuit board mounting. Utilizing a split bobbin with dual cavities, these transformers offer superior isolation and low capacitive coupling, eliminating the need for an electrostatic shield. Their rigid pin construction ensures easier board insertion and enhanced reliability. These transformers are suitable for a wide range of power applications from 1.1 VA to 36 VA and are available in single or dual primary configurations with various secondary voltage and current ratings.
| Model | VA Rating | Secondary RMS Rating (Series) | Secondary RMS Rating (Parallel) | Primary Voltage | Frequency | Dielectric Strength (Hipot) | Dimensions (L x W x H) | Weight | Mounting Hardware |
|---|---|---|---|---|---|---|---|---|---|
| ST-2-10 / DST-2-10 | 1.1 | 10 VCT @ 0.11 A | 5 V @ 0.22 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 lbs (0.08 kg) | N/A |
| ST-3-10 / DST-3-10 | 2.4 | 10 VCT @ 0.25 A | 5 V @ 0.5 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 lbs (0.11 kg) | N/A |
| ST-4-10 / DST-4-10 | 6 | 10 VCT @ 0.6 A | 5 V @ 1.2 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 lbs (0.20 kg) | Nylon 4-40 x 1.37" |
| ST-5-10 / DST-5-10 | 12 | 10 VCT @ 1.2 A | 5 V @ 2.4 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 lbs (0.32 kg) | Nylon 4-40 x 1.37" |
| ST-6-10 / DST-6-10 | 20 | 10 VCT @ 2.0 A | 5 V @ 4.0 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 lbs (0.36 kg) | Nylon 4-40 x 1.37" |
| ST-7-10 / DST-7-10 | 36 | 10 VCT @ 3.6 A | 5 V @ 7.2 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 lbs (0.50 kg) | 4 mounting holes for #6 screws |
| ST-2-12 / DST-2-12 | 1.1 | 12.6 VCT @ 0.09 A | 6.3 V @ 0.18 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 lbs (0.08 kg) | N/A |
| ST-3-12 / DST-3-12 | 2.4 | 12.6 VCT @ 0.2 A | 6.3 V @ 0.4 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 lbs (0.11 kg) | N/A |
| ST-4-12 / DST-4-12 | 6 | 12.6 VCT @ 0.5 A | 6.3 V @ 1.0 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 lbs (0.20 kg) | Nylon 4-40 x 1.37" |
| ST-5-12 / DST-5-12 | 12 | 12.6 VCT @ 1.0 A | 6.3 V @ 2.0 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 lbs (0.32 kg) | Nylon 4-40 x 1.37" |
| ST-6-12 / DST-6-12 | 20 | 12.6 VCT @ 1.6 A | 6.3 V @ 3.2 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 lbs (0.36 kg) | Nylon 4-40 x 1.37" |
| ST-7-12 / DST-7-12 | 36 | 12.6 VCT @ 2.85 A | 6.3 V @ 5.7 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 lbs (0.50 kg) | 4 mounting holes for #6 screws |
| ST-2-16 / DST-2-16 | 1.1 | 16 VCT @ 0.07 A | 8 V @ 0.14 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 lbs (0.08 kg) | N/A |
| ST-3-16 / DST-3-16 | 2.4 | 16 VCT @ 0.15 A | 8 V @ 0.3 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 lbs (0.11 kg) | N/A |
| ST-4-16 / DST-4-16 | 6 | 16 VCT @ 0.4 A | 8 V @ 0.8 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 lbs (0.20 kg) | Nylon 4-40 x 1.37" |
| ST-5-16 / DST-5-16 | 12 | 16 VCT @ 0.8 A | 8 V @ 1.6 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 lbs (0.32 kg) | Nylon 4-40 x 1.37" |
| ST-6-16 / DST-6-16 | 20 | 16 VCT @ 1.25 A | 8 V @ 2.5 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 lbs (0.36 kg) | Nylon 4-40 x 1.37" |
| ST-7-16 / DST-7-16 | 36 | 16 VCT @ 2.25 A | 8 V @ 4.5 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 lbs (0.50 kg) | 4 mounting holes for #6 screws |
| ST-2-20 / DST-2-20 | 1.1 | 20 VCT @ 0.055 A | 10 V @ 0.11 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 lbs (0.08 kg) | N/A |
| ST-3-20 / DST-3-20 | 2.4 | 20 VCT @ 0.12 A | 10 V @ 0.24 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 lbs (0.11 kg) | N/A |
| ST-4-20 / DST-4-20 | 6 | 20 VCT @ 0.3 A | 10 V @ 0.6 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 lbs (0.20 kg) | Nylon 4-40 x 1.37" |
| ST-5-20 / DST-5-20 | 12 | 20 VCT @ 0.6 A | 10 V @ 1.2 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 lbs (0.32 kg) | Nylon 4-40 x 1.37" |
| ST-6-20 / DST-6-20 | 20 | 20 VCT @ 1.0 A | 10 V @ 2.0 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 lbs (0.36 kg) | Nylon 4-40 x 1.37" |
| ST-7-20 / DST-7-20 | 36 | 20 VCT @ 1.8 A | 10 V @ 3.6 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 lbs (0.50 kg) | 4 mounting holes for #6 screws |
| ST-2-24 / DST-2-24 | 1.1 | 24 VCT @ 0.045 A | 12 V @ 0.09 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 lbs (0.08 kg) | N/A |
| ST-3-24 / DST-3-24 | 2.4 | 24 VCT @ 0.1 A | 12 V @ 0.2 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 lbs (0.11 kg) | N/A |
| ST-4-24 / DST-4-24 | 6 | 24 VCT @ 0.25 A | 12 V @ 0.5 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 lbs (0.20 kg) | Nylon 4-40 x 1.37" |
| ST-5-24 / DST-5-24 | 12 | 24 VCT @ 0.5 A | 12 V @ 1.0 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 lbs (0.32 kg) | Nylon 4-40 x 1.37" |
| ST-6-24 / DST-6-24 | 20 | 24 VCT @ 0.8 A | 12 V @ 1.6 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 lbs (0.36 kg) | Nylon 4-40 x 1.37" |
| ST-7-24 / DST-7-24 | 36 | 24 VCT @ 1.5 A | 12 V @ 3.0 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 lbs (0.50 kg) | 4 mounting holes for #6 screws |
| ST-2-28 / DST-2-28 | 1.1 | 28 VCT @ 0.04 A | 14 V @ 0.08 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 lbs (0.08 kg) | N/A |
| ST-3-28 / DST-3-28 | 2.4 | 28 VCT @ 0.085 A | 14 V @ 0.17 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 lbs (0.11 kg) | N/A |
| ST-4-28 / DST-4-28 | 6 | 28 VCT @ 0.2 A | 14 V @ 0.4 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 lbs (0.20 kg) | Nylon 4-40 x 1.37" |
| ST-5-28 / DST-5-28 | 12 | 28 VCT @ 0.42 A | 14 V @ 0.84 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 lbs (0.32 kg) | Nylon 4-40 x 1.37" |
| ST-6-28 / DST-6-28 | 20 | 28 VCT @ 0.7 A | 14 V @ 1.4 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 lbs (0.36 kg) | Nylon 4-40 x 1.37" |
| ST-7-28 / DST-7-28 | 36 | 28 VCT @ 1.3 A | 14 V @ 2.6 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 lbs (0.50 kg) | 4 mounting holes for #6 screws |
| ST-2-36 / DST-2-36 | 1.1 | 36 VCT @ 0.03 A | 18 V @ 0.06 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 lbs (0.08 kg) | N/A |
| ST-3-36 / DST-3-36 | 2.4 | 36 VCT @ 0.065 A | 18 V @ 0.13 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 lbs (0.11 kg) | N/A |
| ST-4-36 / DST-4-36 | 6 | 36 VCT @ 0.17 A | 18 V @ 0.34 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 lbs (0.20 kg) | Nylon 4-40 x 1.37" |
| ST-5-36 / DST-5-36 | 12 | 36 VCT @ 0.35 A | 18 V @ 0.7 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 lbs (0.32 kg) | Nylon 4-40 x 1.37" |
| ST-6-36 / DST-6-36 | 20 | 36 VCT @ 0.55 A | 18 V @ 1.1 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 lbs (0.36 kg) | Nylon 4-40 x 1.37" |
| ST-7-36 / DST-7-36 | 36 | 36 VCT @ 1.0 A | 18 V @ 2.0 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 lbs (0.50 kg) | 4 mounting holes for #6 screws |
| ST-2-48 / DST-2-48 | 1.1 | 48 VCT @ 0.023 A | 24 V @ 0.046 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 lbs (0.08 kg) | N/A |
| ST-3-48 / DST-3-48 | 2.4 | 48 VCT @ 0.05 A | 24 V @ 0.1 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 lbs (0.11 kg) | N/A |
| ST-4-48 / DST-4-48 | 6 | 48 VCT @ 0.125 A | 24 V @ 0.25 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 lbs (0.20 kg) | Nylon 4-40 x 1.37" |
| ST-5-48 / DST-5-48 | 12 | 48 VCT @ 0.25 A | 24 V @ 0.5 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 lbs (0.32 kg) | Nylon 4-40 x 1.37" |
| ST-6-48 / DST-6-48 | 20 | 48 VCT @ 0.4 A | 24 V @ 0.8 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 lbs (0.36 kg) | Nylon 4-40 x 1.37" |
| ST-7-48 / DST-7-48 | 36 | 48 VCT @ 0.75 A | 24 V @ 1.5 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 lbs (0.50 kg) | 4 mounting holes for #6 screws |
| ST-2-56 / DST-2-56 | 1.1 | 56 VCT @ 0.02 A | 28 V @ 0.04 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 lbs (0.08 kg) | N/A |
| ST-3-56 / DST-3-56 | 2.4 | 56 VCT @ 0.045 A | 28 V @ 0.09 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 lbs (0.11 kg) | N/A |
| ST-4-56 / DST-4-56 | 6 | 56 VCT @ 0.11 A | 28 V @ 0.22 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 lbs (0.20 kg) | Nylon 4-40 x 1.37" |
| ST-5-56 / DST-5-56 | 12 | 56 VCT @ 0.22 A | 28 V @ 0.44 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 lbs (0.32 kg) | Nylon 4-40 x 1.37" |
| ST-6-56 / DST-6-56 | 20 | 56 VCT @ 0.35 A | 28 V @ 0.7 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 lbs (0.36 kg) | Nylon 4-40 x 1.37" |
| ST-7-56 / DST-7-56 | 36 | 56 VCT @ 0.65 A | 28 V @ 1.3 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 lbs (0.50 kg) | 4 mounting holes for #6 screws |
| ST-2-120 / DST-2-120 | 1.1 | 120 VCT @ 0.01 A | 60 V @ 0.02 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 lbs (0.08 kg) | N/A |
| ST-3-120 / DST-3-120 | 2.4 | 120 VCT @ 0.02 A | 60 V @ 0.04 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 lbs (0.11 kg) | N/A |
| ST-4-120 / DST-4-120 | 6 | 120 VCT @ 0.05 A | 60 V @ 0.1 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 lbs (0.20 kg) | Nylon 4-40 x 1.37" |
| ST-5-120 / DST-5-120 | 12 | 120 VCT @ 0.1 A | 60 V @ 0.2 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 lbs (0.32 kg) | Nylon 4-40 x 1.37" |
| ST-6-120 / DST-6-120 | 20 | 120 VCT @ 0.16 A | 60 V @ 0.32 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 lbs (0.36 kg) | Nylon 4-40 x 1.37" |
| ST-7-120 / DST-7-120 | 36 | 120 VCT @ 0.3 A | 60 V @ 0.6 A | 115 V / 115/230 V | 50/60 Hz | 2500 Vrms | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 lbs (0.50 kg) | 4 mounting holes 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.
Mounting Hardware: Available from Signal, part numbers ST-MS (screw) and ST-MN (nut). See Accessories datasheet for mounting screw information.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer
Year Established:
2009
Employee Number:
>300
Ecer Certification:
Verified Supplier
Changsha Purple Horn E-Commerce Co., Ltd. is a professional company focus on integrated circuit ic business. Changsha Purple Horn will also responsible with exporting and logistic business. there is professional factory Changsha Purple Horn which focus on desigining and manufacture. ... Changsha Purple Horn E-Commerce Co., Ltd. is a professional company focus on integrated circuit ic business. Changsha Purple Horn will also responsible with exporting and logistic business. there is professional factory Changsha Purple Horn which focus on desigining and manufacture. ...
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