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Specifications
Secondary Winding:
2
Isolation Voltage(Vrms):
2.5kV
Primary Winding(s):
2
Secondary Side Voltage:
8V;16V
Output Current:
2.5A;1.25A
Primary Side Voltage:
115V;230V
Mfr. Part #:
DST-6-16
Package:
Through Hole-8P,57.2x47.6mm
Key Attributes
Model Number:
DST-6-16
Product Description
Product Overview
The Signal ST/DST Series Split/Tran Specialty Purpose & Class 2 Transformers are designed with a dual cavity platform for superior isolation and low capacitive coupling. Featuring rigid pin construction for enhanced board insertion and reliability, these transformers are suitable for a wide range of power applications. They offer single or dual primaries with options for series or parallel secondaries, and are constructed with a Class F insulation system (155 C). The split bobbin construction eliminates the need for an electrostatic shield.
Product Attributes
- Brand: Signal Transformer (Bel Fuse)
- Series: ST / DST Series Split/Tran
- Construction: Split Bobbin with Dual Cavity Platform
- Insulation System: Class F, 155 C
- 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
- Compliance: RoHS Compliant
- Customization: Custom versions available upon request.
Technical Specifications
| Model Series | Power (VA) | Dielectric Strength (Vrms Hipot) | Primary Voltage (Hz) | Secondary Configuration | Dimensions (L x W x H inches) | Weight (lbs) | Mounting Hardware |
|---|---|---|---|---|---|---|---|
| ST / DST | 1.1 to 36 | 2500 | Single or dual primaries, 115 V or 115/230 V, 50/60 Hz | Series or parallel | Varies by VA rating (see details below) | Varies by VA rating (see details below) | See chart for details |
Part Number Selection & Secondary Ratings
| Part Number | Secondary RMS Rating (Series) | Secondary RMS Rating (Parallel) | Pin Configuration | Class 2 Marking |
|---|---|---|---|---|
| ST-2-10**# | 10 VCT @ 0.11 A | 5 V @ 0.22 A | 6 Pin | **# |
| DST-2-10**# | 10 VCT @ 0.11 A | 5 V @ 0.22 A | 8 Pin | **# |
| ST-3-10*# | 10 VCT @ 0.25 A | 5 V @ 0.5 A | 6 Pin | *# |
| DST-3-10*# | 10 VCT @ 0.25 A | 5 V @ 0.5 A | 8 Pin | *# |
| ST-4-10*# | 10 VCT @ 0.6 A | 5 V @ 1.2 A | 6 Pin | *# |
| DST-4-10*# | 10 VCT @ 0.6 A | 5 V @ 1.2 A | 8 Pin | *# |
| ST-5-10*# | 10 VCT @ 1.2 A | 5 V @ 2.4 A | 6 Pin | *# |
| DST-5-10*# | 10 VCT @ 1.2 A | 5 V @ 2.4 A | 8 Pin | *# |
| ST-6-10 | 10 VCT @ 2.0 A | 5 V @ 4.0 A | 6 Pin | None |
| DST-6-10 | 10 VCT @ 2.0 A | 5 V @ 4.0 A | 8 Pin | None |
| ST-7-10 | 10 VCT @ 3.6 A | 5 V @ 7.2 A | 6 Pin | None |
| DST-7-10 | 10 VCT @ 3.6 A | 5 V @ 7.2 A | 8 Pin | None |
| ST-2-12**# | 12.6 VCT @ 0.09 A | 6.3 V @ 0.18 A | 6 Pin | **# |
| DST-2-12**# | 12.6 VCT @ 0.09 A | 6.3 V @ 0.18 A | 8 Pin | **# |
| ST-3-12*# | 12.6 VCT @ 0.2 A | 6.3 V @ 0.4 A | 6 Pin | *# |
| DST-3-12*# | 12.6 VCT @ 0.2 A | 6.3 V @ 0.4 A | 8 Pin | *# |
| ST-4-12*# | 12.6 VCT @ 0.5 A | 6.3 V @ 1.0 A | 6 Pin | *# |
| DST-4-12*# | 12.6 VCT @ 0.5 A | 6.3 V @ 1.0 A | 8 Pin | *# |
| ST-5-12*# | 12.6 VCT @ 1.0 A | 6.3 V @ 2.0 A | 6 Pin | *# |
| DST-5-12*# | 12.6 VCT @ 1.0 A | 6.3 V @ 2.0 A | 8 Pin | *# |
| ST-6-12 | 12.6 VCT @ 1.6 A | 6.3 V @ 3.2 A | 6 Pin | None |
| DST-6-12 | 12.6 VCT @ 1.6 A | 6.3 V @ 3.2 A | 8 Pin | None |
| ST-7-12 | 12.6 VCT @ 2.85 A | 6.3 V @ 5.7 A | 6 Pin | None |
| DST-7-12 | 12.6 VCT @ 2.85 A | 6.3 V @ 5.7 A | 8 Pin | None |
| ST-2-16**# | 16 VCT @ 0.07 A | 8 V @ 0.14 A | 6 Pin | **# |
| DST-2-16**# | 16 VCT @ 0.07 A | 8 V @ 0.14 A | 8 Pin | **# |
| ST-3-16*# | 16 VCT @ 0.15 A | 8 V @ 0.3 A | 6 Pin | *# |
| DST-3-16*# | 16 VCT @ 0.15 A | 8 V @ 0.3 A | 8 Pin | *# |
| ST-4-16*# | 16 VCT @ 0.4 A | 8 V @ 0.8 A | 6 Pin | *# |
| DST-4-16*# | 16 VCT @ 0.4 A | 8 V @ 0.8 A | 8 Pin | *# |
| ST-5-16*# | 16 VCT @ 0.8 A | 8 V @ 1.6 A | 6 Pin | *# |
| DST-5-16*# | 16 VCT @ 0.8 A | 8 V @ 1.6 A | 8 Pin | *# |
| ST-6-16 | 16 VCT @ 1.25 A | 8 V @ 2.5 A | 6 Pin | None |
| DST-6-16 | 16 VCT @ 1.25 A | 8 V @ 2.5 A | 8 Pin | None |
| ST-7-16 | 16 VCT @ 2.25 A | 8 V @ 4.5 A | 6 Pin | None |
| DST-7-16 | 16 VCT @ 2.25 A | 8 V @ 4.5 A | 8 Pin | None |
| ST-2-20**# | 20 VCT @ 0.055 A | 10 V @ 0.11 A | 6 Pin | **# |
| DST-2-20**# | 20 VCT @ 0.055 A | 10 V @ 0.11 A | 8 Pin | **# |
| ST-3-20*# | 20 VCT @ 0.12 A | 10 V @ 0.24 A | 6 Pin | *# |
| DST-3-20*# | 20 VCT @ 0.12 A | 10 V @ 0.24 A | 8 Pin | *# |
| ST-4-20*# | 20 VCT @ 0.3 A | 10 V @ 0.6 A | 6 Pin | *# |
| DST-4-20*# | 20 VCT @ 0.3 A | 10 V @ 0.6 A | 8 Pin | *# |
| ST-5-20*# | 20 VCT @ 0.6 A | 10 V @ 1.2 A | 6 Pin | *# |
| DST-5-20*# | 20 VCT @ 0.6 A | 10 V @ 1.2 A | 8 Pin | *# |
| ST-6-20 | 20 VCT @ 1.0 A | 10 V @ 2.0 A | 6 Pin | None |
| DST-6-20 | 20 VCT @ 1.0 A | 10 V @ 2.0 A | 8 Pin | None |
| ST-7-20 | 20 VCT @ 1.8 A | 10 V @ 3.6 A | 6 Pin | None |
| DST-7-20 | 20 VCT @ 1.8 A | 10 V @ 3.6 A | 8 Pin | None |
| ST-2-24**# | 24 VCT @ 0.045 A | 12 V @ 0.09 A | 6 Pin | **# |
| DST-2-24**# | 24 VCT @ 0.045 A | 12 V @ 0.09 A | 8 Pin | **# |
| ST-3-24*# | 24 VCT @ 0.1 A | 12 V @ 0.2 A | 6 Pin | *# |
| DST-3-24*# | 24 VCT @ 0.1 A | 12 V @ 0.2 A | 8 Pin | *# |
| ST-4-24*# | 24 VCT @ 0.25 A | 12 V @ 0.5 A | 6 Pin | *# |
| DST-4-24*# | 24 VCT @ 0.25 A | 12 V @ 0.5 A | 8 Pin | *# |
| ST-5-24*# | 24 VCT @ 0.5 A | 12 V @ 1.0 A | 6 Pin | *# |
| DST-5-24*# | 24 VCT @ 0.5 A | 12 V @ 1.0 A | 8 Pin | *# |
| ST-6-24 | 24 VCT @ 0.8 A | 12 V @ 1.6 A | 6 Pin | None |
| DST-6-24 | 24 VCT @ 0.8 A | 12 V @ 1.6 A | 8 Pin | None |
| ST-7-24 | 24 VCT @ 1.5 A | 12 V @ 3.0 A | 6 Pin | None |
| DST-7-24 | 24 VCT @ 1.5 A | 12 V @ 3.0 A | 8 Pin | None |
| ST-2-28 | 28 VCT @ 0.04 A | 14 V @ 0.08 A | 6 Pin | None |
| DST-2-28 | 28 VCT @ 0.04 A | 14 V @ 0.08 A | 8 Pin | None |
| ST-3-28 | 28 VCT @ 0.085 A | 14 V @ 0.17 A | 6 Pin | None |
| DST-3-28 | 28 VCT @ 0.085 A | 14 V @ 0.17 A | 8 Pin | None |
| ST-4-28 | 28 VCT @ 0.2 A | 14 V @ 0.4 A | 6 Pin | None |
| DST-4-28 | 28 VCT @ 0.2 A | 14 V @ 0.4 A | 8 Pin | None |
| ST-5-28 | 28 VCT @ 0.42 A | 14 V @ 0.84 A | 6 Pin | None |
| DST-5-28 | 28 VCT @ 0.42 A | 14 V @ 0.84 A | 8 Pin | None |
| ST-6-28 | 28 VCT @ 0.7 A | 14 V @ 1.4 A | 6 Pin | None |
| DST-6-28 | 28 VCT @ 0.7 A | 14 V @ 1.4 A | 8 Pin | None |
| ST-7-28 | 28 VCT @ 1.3 A | 14 V @ 2.6 A | 6 Pin | None |
| DST-7-28 | 28 VCT @ 1.3 A | 14 V @ 2.6 A | 8 Pin | None |
| ST-2-36 | 36 VCT @ 0.03 A | 18 V @ 0.06 A | 6 Pin | None |
| DST-2-36 | 36 VCT @ 0.03 A | 18 V @ 0.06 A | 8 Pin | None |
| ST-3-36 | 36 VCT @ 0.065 A | 18 V @ 0.13 A | 6 Pin | None |
| DST-3-36 | 36 VCT @ 0.065 A | 18 V @ 0.13 A | 8 Pin | None |
| ST-4-36 | 36 VCT @ 0.17 A | 18 V @ 0.34 A | 6 Pin | None |
| DST-4-36 | 36 VCT @ 0.17 A | 18 V @ 0.34 A | 8 Pin | None |
| ST-5-36 | 36 VCT @ 0.35 A | 18 V @ 0.7 A | 6 Pin | None |
| DST-5-36 | 36 VCT @ 0.35 A | 18 V @ 0.7 A | 8 Pin | None |
| ST-6-36 | 36 VCT @ 0.55 A | 18 V @ 1.1 A | 6 Pin | None |
| DST-6-36 | 36 VCT @ 0.55 A | 18 V @ 1.1 A | 8 Pin | None |
| ST-7-36 | 36 VCT @ 1.0 A | 18 V @ 2.0 A | 6 Pin | None |
| DST-7-36 | 36 VCT @ 1.0 A | 18 V @ 2.0 A | 8 Pin | None |
| ST-2-48 | 48 VCT @ 0.023 A | 24 V @ 0.046 A | 6 Pin | None |
| DST-2-48 | 48 VCT @ 0.023 A | 24 V @ 0.046 A | 8 Pin | None |
| ST-3-48 | 48 VCT @ 0.05 A | 24 V @ 0.1 A | 6 Pin | None |
| DST-3-48 | 48 VCT @ 0.05 A | 24 V @ 0.1 A | 8 Pin | None |
| ST-4-48 | 48 VCT @ 0.125 A | 24 V @ 0.25 A | 6 Pin | None |
| DST-4-48 | 48 VCT @ 0.125 A | 24 V @ 0.25 A | 8 Pin | None |
| ST-5-48 | 48 VCT @ 0.25 A | 24 V @ 0.5 A | 6 Pin | None |
| DST-5-48 | 48 VCT @ 0.25 A | 24 V @ 0.5 A | 8 Pin | None |
| ST-6-48 | 48 VCT @ 0.4 A | 24 V @ 0.8 A | 6 Pin | None |
| DST-6-48 | 48 VCT @ 0.4 A | 24 V @ 0.8 A | 8 Pin | None |
| ST-7-48 | 48 VCT @ 0.75 A | 24 V @ 1.5 A | 6 Pin | None |
| DST-7-48 | 48 VCT @ 0.75 A | 24 V @ 1.5 A | 8 Pin | None |
| ST-2-56 | 56 VCT @ 0.02 A | 28 V @ 0.04 A | 6 Pin | None |
| DST-2-56 | 56 VCT @ 0.02 A | 28 V @ 0.04 A | 8 Pin | None |
| ST-3-56 | 56 VCT @ 0.045 A | 28 V @ 0.09 A | 6 Pin | None |
| DST-3-56 | 56 VCT @ 0.045 A | 28 V @ 0.09 A | 8 Pin | None |
| ST-4-56 | 56 VCT @ 0.11 A | 28 V @ 0.22 A | 6 Pin | None |
| DST-4-56 | 56 VCT @ 0.11 A | 28 V @ 0.22 A | 8 Pin | None |
| ST-5-56 | 56 VCT @ 0.22 A | 28 V @ 0.44 A | 6 Pin | None |
| DST-5-56 | 56 VCT @ 0.22 A | 28 V @ 0.44 A | 8 Pin | None |
| ST-6-56 | 56 VCT @ 0.35 A | 28 V @ 0.7 A | 6 Pin | None |
| DST-6-56 | 56 VCT @ 0.35 A | 28 V @ 0.7 A | 8 Pin | None |
| ST-7-56 | 56 VCT @ 0.65A | 28 V @ 1.3 A | 6 Pin | None |
| DST-7-56 | 56 VCT @ 0.65A | 28 V @ 1.3 A | 8 Pin | None |
| ST-2-120 | 120 VCT @ 0.01 A | 60 V @ 0.02 A | 6 Pin | None |
| DST-2-120 | 120 VCT @ 0.01 A | 60 V @ 0.02 A | 8 Pin | None |
| ST-3-120 | 120 VCT @ 0.02 A | 60 V @ 0.04 A | 6 Pin | None |
| DST-3-120 | 120 VCT @ 0.02 A | 60 V @ 0.04 A | 8 Pin | None |
| ST-4-120 | 120 VCT @ 0.05 A | 60 V @ 0.1 A | 6 Pin | None |
| DST-4-120 | 120 VCT @ 0.05 A | 60 V @ 0.1 A | 8 Pin | None |
| ST-5-120 | 120 VCT @ 0.1 A | 60 V @ 0.2 A | 6 Pin | None |
| DST-5-120 | 120 VCT @ 0.1 A | 60 V @ 0.2 A | 8 Pin | None |
| ST-6-120 | 120 VCT @ 0.16 A | 60 V @ 0.32 A | 6 Pin | None |
| DST-6-120 | 120 VCT @ 0.16 A | 60 V @ 0.32 A | 8 Pin | None |
| ST-7-120 | 120 VCT @ 0.3 A | 60 V @ 0.6 A | 6 Pin | None |
| DST-7-120 | 120 VCT @ 0.3 A | 60 V @ 0.6 A | 8 Pin | None |
Recommended Secondary Fuse Values
| Code | Fuse Value (A) |
|---|---|
| (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 |
Mechanical Specifications
| Size | VA | L (inches) | W (inches) | H (inches) | ML (inches) | A (inches) | B (inches) | C (inches) | Weight (lbs) | Optional Mounting Screw & Nut |
|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 1.1 | 1.37 (34.9) | 1.12 (28.6) | 0.97 (24.6) | - | 0.25 (6.4) | 0.25 (6.4) | 1.20 (30.5) | 0.17 (0.08) | - |
| 3 | 2.4 | 1.37 (34.9) | 1.12 (28.6) | 1.21 (30.8) | - | 0.25 (6.4) | 0.25 (6.4) | 1.20 (30.5) | 0.25 (0.11) | - |
| 4 | 6 | 1.62 (41.3) | 1.31 (33.3) | 1.31 (33.3) | 1.06 (26.9) | 0.25 (6.4) | 0.35 (8.9) | 1.25 (31.8) | 0.44 (0.20) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| 5 | 12 | 1.91 (48.4) | 1.59 (40.4) | 1.45 (36.9) | 1.25 (31.8) | 0.30 (7.6) | 0.40 (10.2) | 1.41 (35.8) | 0.70 (0.32) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| 6 | 20 | 2.25 (57.2) | 1.88 (47.8) | 1.45 (36.9) | 1.50 (38.1) | 0.30 (7.6) | 0.40 (10.2) | 1.60 (40.6) | 0.80 (0.36) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| 7 | 36 | 2.62 (66.7) | 2.18 (55.5) | 1.59 (40.4) | - | 0.40 (10.2) | 0.40 (10.2) | 1.85 (47.0) | 1.1 (0.50) | Available from Signal, part numbers ST-MS (screw) and ST-MN (nut). Size 7 has 4 mounting holes on 2.18 x 1.75 centers for #6 screws. |
Note: Pin identification for polarity is indicated by numbers on the diagrams.
2411272143_Bel-Fuse-DST-6-16_C17201164.pdf
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