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Specifications
Secondary Winding:
2
Isolation Voltage(Vrms):
2.5kV
Primary Winding(s):
2
Secondary Side Voltage:
12V;24V
Output Current:
1A;500mA
Primary Side Voltage:
115V;230V
Mfr. Part #:
DST-5-24
Package:
Through Hole-8P,47.8x39.6mm
Key Attributes
Model Number:
DST-5-24
Product Description
Product Overview
The Signal ST/DST Series Split/Tran Specialty Purpose & Class 2 Transformers are designed for printed circuit board mounting, utilizing a dual-cavity platform to provide superior isolation and low capacitive coupling. These transformers feature rigid pin construction for enhanced board insertion and reliability. They are suitable for a wide range of power applications, from 1.1 VA to 36 VA, and are built with a Class F (155C) insulation system.
Product Attributes
- Brand: Signal Transformer (Bel Fuse)
- Series: ST / DST Series Split/Tran
- Construction: Split Bobbin, Dual Cavity
- Insulation System: Class F, 155C
- Compliance: RoHS Compliant
- 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 (#)
- (*) CSA certified as Inherently Limited
- (**) CSA certified as Non Inherently Limited
- (#) UL Recognized UL5085-3, Inherently Limited File # E116583
Technical Specifications
| Part Number Series | VA Rating | Primary Voltage | Secondary RMS Rating (Series) | Secondary RMS Rating (Parallel) | Dielectric Strength (Hipot) | Insulation System | Dimensions (L x W x H) | Weight (lbs/kg) |
|---|---|---|---|---|---|---|---|---|
| ST/DST-2 | 1.1 | 115 V | 10 VCT @ 0.11 A | 5 V @ 0.22 A | 2500 Vrms | Class F, 155 C | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 (0.08) |
| ST/DST-3 | 2.4 | 115 V | 10 VCT @ 0.25 A | 5 V @ 0.5 A | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 (0.11) | ||
| ST/DST-4 | 6 | 115 V | 10 VCT @ 0.6 A | 5 V @ 1.2 A | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 (0.20) | ||
| ST/DST-5 | 12 | 115 V | 10 VCT @ 1.2 A | 5 V @ 2.4 A | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 (0.32) | ||
| ST/DST-6 | 20 | 115 V | 10 VCT @ 2.0 A | 5 V @ 4.0 A | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 (0.36) | ||
| ST/DST-7 | 36 | 115 V | 10 VCT @ 3.6 A | 5 V @ 7.2 A | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 (0.50) | ||
| ST/DST-2-10**# | 1.1 | 115 V | 10 VCT @ 0.11 A | 5 V @ 0.22 A | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 (0.08) | ||
| ST/DST-3-10*# | 2.4 | 115 V | 10 VCT @ 0.25 A | 5 V @ 0.5 A | 2500 Vrms | Class F, 155 C | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 (0.11) |
| ST/DST-4-10*# | 6 | 115 V | 10 VCT @ 0.6 A | 5 V @ 1.2 A | 2500 Vrms | Class F, 155 C | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 (0.20) |
| ST/DST-5-10*# | 12 | 115 V | 10 VCT @ 1.2 A | 5 V @ 2.4 A | 2500 Vrms | Class F, 155 C | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 (0.32) |
| ST/DST-6-10 | 20 | 115 V | 10 VCT @ 2.0 A | 5 V @ 4.0 A | 2500 Vrms | Class F, 155 C | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 (0.36) |
| ST/DST-7-10 | 36 | 115 V | 10 VCT @ 3.6 A | 5 V @ 7.2 A | 2500 Vrms | Class F, 155 C | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 (0.50) |
| ST/DST-2-12**# | 1.1 | 115 V | 12.6 VCT @ 0.09 A | 6.3 V @ 0.18 A | 2500 Vrms | Class F, 155 C | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 (0.08) |
| ST/DST-3-12*# | 2.4 | 115 V | 12.6 VCT @ 0.2 A | 6.3 V @ 0.4 A | 2500 Vrms | Class F, 155 C | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 (0.11) |
| ST/DST-4-12*# | 6 | 115 V | 12.6 VCT @ 0.5 A | 6.3 V @ 1.0 A | 2500 Vrms | Class F, 155 C | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 (0.20) |
| ST/DST-5-12*# | 12 | 115 V | 12.6 VCT @ 1.0 A | 6.3 V @ 2.0 A | 2500 Vrms | Class F, 155 C | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 (0.32) |
| ST/DST-6-12 | 20 | 115 V | 12.6 VCT @ 1.6 A | 6.3 V @ 3.2 A | 2500 Vrms | Class F, 155 C | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 (0.36) |
| ST/DST-7-12 | 36 | 115 V | 12.6 VCT @ 2.85 A | 6.3 V @ 5.7 A | 2500 Vrms | Class F, 155 C | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 (0.50) |
| ST/DST-2-16**# | 1.1 | 115 V | 16 VCT @ 0.07 A | 8 V @ 0.14 A | 2500 Vrms | Class F, 155 C | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 (0.08) |
| ST/DST-3-16*# | 2.4 | 115 V | 16 VCT @ 0.15 A | 8 V @ 0.3 A | 2500 Vrms | Class F, 155 C | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 (0.11) |
| ST/DST-4-16*# | 6 | 115 V | 16 VCT @ 0.4 A | 8 V @ 0.8 A | 2500 Vrms | Class F, 155 C | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 (0.20) |
| ST/DST-5-16*# | 12 | 115 V | 16 VCT @ 0.8 A | 8 V @ 1.6 A | 2500 Vrms | Class F, 155 C | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 (0.32) |
| ST/DST-6-16 | 20 | 115 V | 16 VCT @ 1.25 A | 8 V @ 2.5 A | 2500 Vrms | Class F, 155 C | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 (0.36) |
| ST/DST-7-16 | 36 | 115 V | 16 VCT @ 2.25 A | 8 V @ 4.5 A | 2500 Vrms | Class F, 155 C | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 (0.50) |
| ST/DST-2-20**# | 1.1 | 115 V | 20 VCT @ 0.055 A | 10 V @ 0.11 A | 2500 Vrms | Class F, 155 C | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 (0.08) |
| ST/DST-3-20*# | 2.4 | 115 V | 20 VCT @ 0.12 A | 10 V @ 0.24 A | 2500 Vrms | Class F, 155 C | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 (0.11) |
| ST/DST-4-20*# | 6 | 115 V | 20 VCT @ 0.3 A | 10 V @ 0.6 A | 2500 Vrms | Class F, 155 C | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 (0.20) |
| ST/DST-5-20*# | 12 | 115 V | 20 VCT @ 0.6 A | 10 V @ 1.2 A | 2500 Vrms | Class F, 155 C | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 (0.32) |
| ST/DST-6-20 | 20 | 115 V | 20 VCT @ 1.0 A | 10 V @ 2.0 A | 2500 Vrms | Class F, 155 C | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 (0.36) |
| ST/DST-7-20 | 36 | 115 V | 20 VCT @ 1.8 A | 10 V @ 3.6 A | 2500 Vrms | Class F, 155 C | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 (0.50) |
| ST/DST-2-24**# | 1.1 | 115 V | 24 VCT @ 0.045 A | 12 V @ 0.09 A | 2500 Vrms | Class F, 155 C | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 (0.08) |
| ST/DST-3-24*# | 2.4 | 115 V | 24 VCT @ 0.1 A | 12 V @ 0.2 A | 2500 Vrms | Class F, 155 C | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 (0.11) |
| ST/DST-4-24*# | 6 | 115 V | 24 VCT @ 0.25 A | 12 V @ 0.5 A | 2500 Vrms | Class F, 155 C | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 (0.20) |
| ST/DST-5-24*# | 12 | 115 V | 24 VCT @ 0.5 A | 12 V @ 1.0 A | 2500 Vrms | Class F, 155 C | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 (0.32) |
| ST/DST-6-24 | 20 | 115 V | 24 VCT @ 0.8 A | 12 V @ 1.6 A | 2500 Vrms | Class F, 155 C | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 (0.36) |
| ST/DST-7-24 | 36 | 115 V | 24 VCT @ 1.5 A | 12 V @ 3.0 A | 2500 Vrms | Class F, 155 C | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 (0.50) |
| ST/DST-2-28 | 1.1 | 115 V | 28 VCT @ 0.04 A | 14 V @ 0.08 A | 2500 Vrms | Class F, 155 C | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 (0.08) |
| ST/DST-3-28 | 2.4 | 115 V | 28 VCT @ 0.085 A | 14 V @ 0.17 A | 2500 Vrms | Class F, 155 C | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 (0.11) |
| ST/DST-4-28 | 6 | 115 V | 28 VCT @ 0.2 A | 14 V @ 0.4 A | 2500 Vrms | Class F, 155 C | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 (0.20) |
| ST/DST-5-28 | 12 | 115 V | 28 VCT @ 0.42 A | 14 V @ 0.84 A | 2500 Vrms | Class F, 155 C | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 (0.32) |
| ST/DST-6-28 | 20 | 115 V | 28 VCT @ 0.7 A | 14 V @ 1.4 A | 2500 Vrms | Class F, 155 C | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 (0.36) |
| ST/DST-7-28 | 36 | 115 V | 28 VCT @ 1.3 A | 14 V @ 2.6 A | 2500 Vrms | Class F, 155 C | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 (0.50) |
| ST/DST-2-36 | 1.1 | 115 V | 36 VCT @ 0.03 A | 18 V @ 0.06 A | 2500 Vrms | Class F, 155 C | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 (0.08) |
| ST/DST-3-36 | 2.4 | 115 V | 36 VCT @ 0.065 A | 18 V @ 0.13 A | 2500 Vrms | Class F, 155 C | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 (0.11) |
| ST/DST-4-36 | 6 | 115 V | 36 VCT @ 0.17 A | 18 V @ 0.34 A | 2500 Vrms | Class F, 155 C | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 (0.20) |
| ST/DST-5-36 | 12 | 115 V | 36 VCT @ 0.35 A | 18 V @ 0.7 A | 2500 Vrms | Class F, 155 C | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 (0.32) |
| ST/DST-6-36 | 20 | 115 V | 36 VCT @ 0.55 A | 18 V @ 1.1 A | 2500 Vrms | Class F, 155 C | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 (0.36) |
| ST/DST-7-36 | 36 | 115 V | 36 VCT @ 1.0 A | 18 V @ 2.0 A | 2500 Vrms | Class F, 155 C | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 (0.50) |
| ST/DST-2-48 | 1.1 | 115 V | 48 VCT @ 0.023 A | 24 V @ 0.046 A | 2500 Vrms | Class F, 155 C | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 (0.08) |
| ST/DST-3-48 | 2.4 | 115 V | 48 VCT @ 0.05 A | 24 V @ 0.1 A | 2500 Vrms | Class F, 155 C | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 (0.11) |
| ST/DST-4-48 | 6 | 115 V | 48 VCT @ 0.125 A | 24 V @ 0.25 A | 2500 Vrms | Class F, 155 C | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 (0.20) |
| ST/DST-5-48 | 12 | 115 V | 48 VCT @ 0.25 A | 24 V @ 0.5 A | 2500 Vrms | Class F, 155 C | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 (0.32) |
| ST/DST-6-48 | 20 | 115 V | 48 VCT @ 0.4 A | 24 V @ 0.8 A | 2500 Vrms | Class F, 155 C | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 (0.36) |
| ST/DST-7-48 | 36 | 115 V | 48 VCT @ 0.75 A | 24 V @ 1.5 A | 2500 Vrms | Class F, 155 C | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 (0.50) |
| ST/DST-2-56 | 1.1 | 115 V | 56 VCT @ 0.02 A | 28 V @ 0.04 A | 2500 Vrms | Class F, 155 C | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 (0.08) |
| ST/DST-3-56 | 2.4 | 115 V | 56 VCT @ 0.045 A | 28 V @ 0.09 A | 2500 Vrms | Class F, 155 C | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 (0.11) |
| ST/DST-4-56 | 6 | 115 V | 56 VCT @ 0.11 A | 28 V @ 0.22 A | 2500 Vrms | Class F, 155 C | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 (0.20) |
| ST/DST-5-56 | 12 | 115 V | 56 VCT @ 0.22 A | 28 V @ 0.44 A | 2500 Vrms | Class F, 155 C | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 (0.32) |
| ST/DST-6-56 | 20 | 115 V | 56 VCT @ 0.35 A | 28 V @ 0.7 A | 2500 Vrms | Class F, 155 C | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 (0.36) |
| ST/DST-7-56 | 36 | 115 V | 56 VCT @ 0.65 A | 28 V @ 1.3 A | 2500 Vrms | Class F, 155 C | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 (0.50) |
| ST/DST-2-120 | 1.1 | 115 V | 120 VCT @ 0.01 A | 60 V @ 0.02 A | 2500 Vrms | Class F, 155 C | 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) | 0.17 (0.08) |
| ST/DST-3-120 | 2.4 | 115 V | 120 VCT @ 0.02 A | 60 V @ 0.04 A | 2500 Vrms | Class F, 155 C | 1.37" x 1.12" x 1.21" (34.9 x 28.6 x 30.8 mm) | 0.25 (0.11) |
| ST/DST-4-120 | 6 | 115 V | 120 VCT @ 0.05 A | 60 V @ 0.1 A | 2500 Vrms | Class F, 155 C | 1.62" x 1.31" x 1.31" (41.3 x 33.3 x 33.3 mm) | 0.44 (0.20) |
| ST/DST-5-120 | 12 | 115 V | 120 VCT @ 0.1 A | 60 V @ 0.2 A | 2500 Vrms | Class F, 155 C | 1.91" x 1.59" x 1.45" (48.4 x 40.4 x 36.9 mm) | 0.70 (0.32) |
| ST/DST-6-120 | 20 | 115 V | 120 VCT @ 0.16 A | 60 V @ 0.32 A | 2500 Vrms | Class F, 155 C | 2.25" x 1.88" x 1.45" (57.2 x 47.8 x 36.9 mm) | 0.80 (0.36) |
| ST/DST-7-120 | 36 | 115 V | 120 VCT @ 0.3 A | 60 V @ 0.6 A | 2500 Vrms | Class F, 155 C | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 (0.50) |
Note on Part Numbers:
- ST Series: Single 115 V Primary, 6 Pin
- DST Series: Dual 115/230 V Primary, 8 Pin
- The suffix indicates the secondary voltage (e.g., -10 for 10V).
- (*) denotes CSA certified as Inherently Limited.
- (**) denotes CSA certified as Non Inherently Limited.
- (#) denotes UL Recognized UL5085-3, Inherently Limited.
Recommended Secondary Fuse Values:
| Code | Fuse Value | Code | Fuse Value | Code | Fuse Value | Code | Fuse Value | Code | Fuse Value | Code | Fuse Value | Code | Fuse Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (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: See Accessories datasheet for mounting screw information. Size 7 has 4 mounting holes on 2.18 x 1.75 centers for #6 screws. Optional mounting screw (ST-MS) and nut (ST-MN) are available from Signal.
2411272143_Bel-Fuse-DST-5-24_C17612046.pdf
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