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Specifications
Secondary Winding:
2
Isolation Voltage(Vrms):
2.5kV
Primary Winding(s):
1
Secondary Side Voltage:
24V;48V
Output Current:
800mA;400mA
Primary Side Voltage:
115V
Mfr. Part #:
ST-6-48
Package:
Through Hole-6P,57.2x47.6mm
Key Attributes
Model Number:
ST-6-48
Product Description
Product Overview
The Signal ST / DST Series Split/Tran Specialty Purpose & Class 2 Transformers are designed for printed circuit board mounting, offering superior isolation and low capacitive coupling through their dual cavity platform. Featuring rigid pin construction for enhanced reliability and ease of board insertion, these transformers are suitable for a wide range of power applications from 1.1 VA to 36 VA. They are built with a Class F (155C) insulation system and meet stringent agency certifications, including UL and CSA recognition, making them ideal for demanding industrial and electronic circuits.
Product Attributes
- Brand: Signal Transformer
- Series: ST / DST Series Split/Tran
- Construction: Split Bobbin with Dual Cavity
- Pin Construction: Rigid
- Insulation System: Class F (155C)
- Compliance: RoHS Compliant
- Agency Certifications:
- UL 1446 Class F insulation systems, File # E66312
- UL Recognized 506 / UL 5085-1, 2, File # E63829
- CSA certified to C22.2 #66.1, File # 221070
- cCSAus certified to C22.2 #66.3 / UL 5085-3, File #221070
- Class 2 - marked with (*) or (**) or (#)
- CSA certified as Inherently Limited (*)
- CSA certified as Non Inherently Limited (**) - see recommended fuse rating table.
- UL Recognized UL5085-3, Inherently Limited (#) File # E116583
- Customization: Custom versions available upon request.
Technical Specifications
| Model | VA Rating | Secondary RMS Rating (Series) | Secondary RMS Rating (Parallel) | Primary Options | Dielectric Strength (Vrms Hipot) | Insulation System | Mounting Hardware | 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 | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | See Chart | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 (0.08) |
| ST-3-10*# / DST-3-10*# | 2.4 | 10 VCT @ 0.25 A | 5 V @ 0.5 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | See Chart | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 (0.11) |
| ST-4-10*# / DST-4-10*# | 6 | 10 VCT @ 0.6 A | 5 V @ 1.2 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 (0.20) |
| ST-5-10*# / DST-5-10*# | 12 | 10 VCT @ 1.2 A | 5 V @ 2.4 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 (0.32) |
| ST-6-10 / DST-6-10 | 20 | 10 VCT @ 2.0 A | 5 V @ 4.0 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 (0.36) |
| ST-7-10 / DST-7-10 | 36 | 10 VCT @ 3.6 A | 5 V @ 7.2 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | 4 mounting holes for #6 screws (2.18" x 1.75" centers) | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 (0.50) |
| ST-2-12**# / DST-2-12**# | 1.1 | 12.6 VCT @ 0.09 A | 6.3 V @ 0.18 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | See Chart | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 (0.08) |
| ST-3-12*# / DST-3-12*# | 2.4 | 12.6 VCT @ 0.2 A | 6.3 V @ 0.4 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | See Chart | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 (0.11) |
| ST-4-12*# / DST-4-12*# | 6 | 12.6 VCT @ 0.5 A | 6.3 V @ 1.0 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 (0.20) |
| ST-5-12*# / DST-5-12*# | 12 | 12.6 VCT @ 1.0 A | 6.3 V @ 2.0 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 (0.32) |
| ST-6-12 / DST-6-12 | 20 | 12.6 VCT @ 1.6 A | 6.3 V @ 3.2 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 (0.36) |
| ST-7-12 / DST-7-12 | 36 | 12.6 VCT @ 2.85 A | 6.3 V @ 5.7 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | 4 mounting holes for #6 screws (2.18" x 1.75" centers) | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 (0.50) |
| ST-2-16**# / DST-2-16**# | 1.1 | 16 VCT @ 0.07 A | 8 V @ 0.14 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | See Chart | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 (0.08) |
| ST-3-16*# / DST-3-16*# | 2.4 | 16 VCT @ 0.15 A | 8 V @ 0.3 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | See Chart | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 (0.11) |
| ST-4-16*# / DST-4-16*# | 6 | 16 VCT @ 0.4 A | 8 V @ 0.8 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 (0.20) |
| ST-5-16*# / DST-5-16*# | 12 | 16 VCT @ 0.8 A | 8 V @ 1.6 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 (0.32) |
| ST-6-16 / DST-6-16 | 20 | 16 VCT @ 1.25 A | 8 V @ 2.5 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 (0.36) |
| ST-7-16 / DST-7-16 | 36 | 16 VCT @ 2.25 A | 8 V @ 4.5 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | 4 mounting holes for #6 screws (2.18" x 1.75" centers) | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 (0.50) |
| ST-2-20**# / DST-2-20**# | 1.1 | 20 VCT @ 0.055 A | 10 V @ 0.11 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | See Chart | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 (0.08) |
| ST-3-20*# / DST-3-20*# | 2.4 | 20 VCT @ 0.12 A | 10 V @ 0.24 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | See Chart | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 (0.11) |
| ST-4-20*# / DST-4-20*# | 6 | 20 VCT @ 0.3 A | 10 V @ 0.6 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 (0.20) |
| ST-5-20*# / DST-5-20*# | 12 | 20 VCT @ 0.6 A | 10 V @ 1.2 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 (0.32) |
| ST-6-20 / DST-6-20 | 20 | 20 VCT @ 1.0 A | 10 V @ 2.0 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 (0.36) |
| ST-7-20 / DST-7-20 | 36 | 20 VCT @ 1.8 A | 10 V @ 3.6 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | 4 mounting holes for #6 screws (2.18" x 1.75" centers) | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 (0.50) |
| ST-2-24**# / DST-2-24**# | 1.1 | 24 VCT @ 0.045 A | 12 V @ 0.09 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | See Chart | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 (0.08) |
| ST-3-24*# / DST-3-24*# | 2.4 | 24 VCT @ 0.1 A | 12 V @ 0.2 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | See Chart | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 (0.11) |
| ST-4-24*# / DST-4-24*# | 6 | 24 VCT @ 0.25 A | 12 V @ 0.5 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 (0.20) |
| ST-5-24*# / DST-5-24*# | 12 | 24 VCT @ 0.5 A | 12 V @ 1.0 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 (0.32) |
| ST-6-24 / DST-6-24 | 20 | 24 VCT @ 0.8 A | 12 V @ 1.6 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 (0.36) |
| ST-7-24 / DST-7-24 | 36 | 24 VCT @ 1.5 A | 12 V @ 3.0 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | 4 mounting holes for #6 screws (2.18" x 1.75" centers) | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 (0.50) |
| ST-2-28 / DST-2-28 | 1.1 | 28 VCT @ 0.04 A | 14 V @ 0.08 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | See Chart | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 (0.08) |
| ST-3-28 / DST-3-28 | 2.4 | 28 VCT @ 0.085 A | 14 V @ 0.17 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | See Chart | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 (0.11) |
| ST-4-28 / DST-4-28 | 6 | 28 VCT @ 0.2 A | 14 V @ 0.4 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 (0.20) |
| ST-5-28 / DST-5-28 | 12 | 28 VCT @ 0.42 A | 14 V @ 0.84 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 (0.32) |
| ST-6-28 / DST-6-28 | 20 | 28 VCT @ 0.7 A | 14 V @ 1.4 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 (0.36) |
| ST-7-28 / DST-7-28 | 36 | 28 VCT @ 1.3 A | 14 V @ 2.6 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | 4 mounting holes for #6 screws (2.18" x 1.75" centers) | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 (0.50) |
| ST-2-36 / DST-2-36 | 1.1 | 36 VCT @ 0.03 A | 18 V @ 0.06 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | See Chart | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 (0.08) |
| ST-3-36 / DST-3-36 | 2.4 | 36 VCT @ 0.065 A | 18 V @ 0.13 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | See Chart | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 (0.11) |
| ST-4-36 / DST-4-36 | 6 | 36 VCT @ 0.17 A | 18 V @ 0.34 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 (0.20) |
| ST-5-36 / DST-5-36 | 12 | 36 VCT @ 0.35 A | 18 V @ 0.7 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 (0.32) |
| ST-6-36 / DST-6-36 | 20 | 36 VCT @ 0.55 A | 18 V @ 1.1 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 (0.36) |
| ST-7-36 / DST-7-36 | 36 | 36 VCT @ 1.0 A | 18 V @ 2.0 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | 4 mounting holes for #6 screws (2.18" x 1.75" centers) | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 (0.50) |
| ST-2-48 / DST-2-48 | 1.1 | 48 VCT @ 0.023 A | 24 V @ 0.046 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | See Chart | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 (0.08) |
| ST-3-48 / DST-3-48 | 2.4 | 48 VCT @ 0.05 A | 24 V @ 0.1 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | See Chart | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 (0.11) |
| ST-4-48 / DST-4-48 | 6 | 48 VCT @ 0.125 A | 24 V @ 0.25 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 (0.20) |
| ST-5-48 / DST-5-48 | 12 | 48 VCT @ 0.25 A | 24 V @ 0.5 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 (0.32) |
| ST-6-48 / DST-6-48 | 20 | 48 VCT @ 0.4 A | 24 V @ 0.8 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 (0.36) |
| ST-7-48 / DST-7-48 | 36 | 48 VCT @ 0.75 A | 24 V @ 1.5 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | 4 mounting holes for #6 screws (2.18" x 1.75" centers) | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 (0.50) |
| ST-2-56 / DST-2-56 | 1.1 | 56 VCT @ 0.02 A | 28 V @ 0.04 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | See Chart | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 (0.08) |
| ST-3-56 / DST-3-56 | 2.4 | 56 VCT @ 0.045 A | 28 V @ 0.09 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | See Chart | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 (0.11) |
| ST-4-56 / DST-4-56 | 6 | 56 VCT @ 0.11 A | 28 V @ 0.22 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 (0.20) |
| ST-5-56 / DST-5-56 | 12 | 56 VCT @ 0.22 A | 28 V @ 0.44 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 (0.32) |
| ST-6-56 / DST-6-56 | 20 | 56 VCT @ 0.35 A | 28 V @ 0.7 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 (0.36) |
| ST-7-56 / DST-7-56 | 36 | 56 VCT @ 0.65 A | 28 V @ 1.3 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | 4 mounting holes for #6 screws (2.18" x 1.75" centers) | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 (0.50) |
| ST-2-120 / DST-2-120 | 1.1 | 120 VCT @ 0.01 A | 60 V @ 0.02 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | See Chart | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 (0.08) |
| ST-3-120 / DST-3-120 | 2.4 | 120 VCT @ 0.02 A | 60 V @ 0.04 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | See Chart | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 (0.11) |
| ST-4-120 / DST-4-120 | 6 | 120 VCT @ 0.05 A | 60 V @ 0.1 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 (0.20) |
| ST-5-120 / DST-5-120 | 12 | 120 VCT @ 0.1 A | 60 V @ 0.2 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 (0.32) |
| ST-6-120 / DST-6-120 | 20 | 120 VCT @ 0.16 A | 60 V @ 0.32 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | Nylon 4-40 x 1.37" screw | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 (0.36) |
| ST-7-120 / DST-7-120 | 36 | 120 VCT @ 0.3 A | 60 V @ 0.6 A | Single 115 V / Dual 115/230 V | 2500 | Class F (155C) | 4 mounting holes for #6 screws (2.18" x 1.75" centers) | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 (0.50) |
Note: Recommended secondary fuse values are indicated by numbers in parentheses in the Part Number Selection table and correspond to the values listed below.
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) | (12) | (13) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.125 A | 0.15 A | 0.25 A | 0.3 A | 0.375 A | 0.4 A | 0.5 A | 0.6 A | 0.75 A | 1.0 A | 1.5 A | 2.0 A | 3.0 A |
Mounting screw and nut information is available in the Accessories datasheet. ST-MS (screw) and ST-MN (nut) are available from Signal.
2411272143_Bel-Fuse-ST-6-48_C17421893.pdf
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