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Specifications
Secondary Winding:
2
Isolation Voltage(Vrms):
2.5kV
Primary Winding(s):
2
Secondary Side Voltage:
60V;120V
Output Current:
200mA;100mA
Primary Side Voltage:
115V;230V
Mfr. Part #:
DST-5-120
Package:
Through Hole-8P,47.8x39.6mm
Key Attributes
Model Number:
DST-5-120
Product Description
Product Overview
The Bel Fuse 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. Featuring rigid pin construction for simplified board insertion and enhanced reliability, these transformers are suitable for a wide range of applications requiring precise voltage transformation. They are available in various power ratings from 1.1 VA to 36 VA and are built to meet stringent agency certifications.
Product Attributes
- Brand: Bel Fuse Signal
- Series: ST / DST Series Split/Tran
- Construction: Split Bobbin with Dual Cavity
- Insulation System: Class F, 155 C
- RoHS Compliant: Yes
- Agency Certifications: UL 1446 Class F, 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
- Custom Versions: Available upon request
Technical Specifications
| Part Number | Secondary RMS Rating (Series) | Secondary RMS Rating (Parallel) | VA Rating | Primary Configuration | Pin Configuration | Dielectric Strength (Hipot) | Insulation System | Weight (lbs / kg) |
|---|---|---|---|---|---|---|---|---|
| ST-2-10**# / DST-2-10**# | 10 VCT @ 0.11 A | 5 V @ 0.22 A | 2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.25 (0.11) |
| ST-3-10*# / DST-3-10*# | 10 VCT @ 0.25 A | 5 V @ 0.5 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 0.44 (0.20) | ||
| ST-4-10*# / DST-4-10*# | 10 VCT @ 0.6 A | 5 V @ 1.2 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 0.70 (0.32) | ||
| ST-5-10*# / DST-5-10*# | 10 VCT @ 1.2 A | 5 V @ 2.4 A | 20 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 0.80 (0.36) | ||
| ST-6-10 / DST-6-10 | 10 VCT @ 2.0 A | 5 V @ 4.0 A | 36 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.1 (0.50) | ||
| ST-2-12**# / DST-2-12**# | 12.6 VCT @ 0.09 A | 6.3 V @ 0.18 A | 2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 0.25 (0.11) | ||
| ST-3-12*# / DST-3-12*# | 12.6 VCT @ 0.2 A | 6.3 V @ 0.4 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 0.44 (0.20) | ||
| ST-4-12*# / DST-4-12*# | 12.6 VCT @ 0.5 A | 6.3 V @ 1.0 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 0.70 (0.32) | ||
| ST-5-12*# / DST-5-12*# | 12.6 VCT @ 1.0 A | 6.3 V @ 2.0 A | 20 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 0.80 (0.36) | ||
| ST-6-12 / DST-6-12 | 12.6 VCT @ 1.6 A | 6.3 V @ 3.2 A | 36 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.1 (0.50) | ||
| ST-2-16**# / DST-2-16**# | 16 VCT @ 0.07 A | 8 V @ 0.14 A | 2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 0.25 (0.11) | ||
| ST-3-16*# / DST-3-16*# | 16 VCT @ 0.15 A | 8 V @ 0.3 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 0.44 (0.20) | ||
| ST-4-16*# / DST-4-16*# | 16 VCT @ 0.4 A | 8 V @ 0.8 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 0.70 (0.32) | ||
| ST-5-16*# / DST-5-16*# | 16 VCT @ 0.8 A | 8 V @ 1.6 A | 20 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 0.80 (0.36) | ||
| ST-6-16 / DST-6-16 | 16 VCT @ 1.25 A | 8 V @ 2.5 A | 36 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 1.1 (0.50) | ||
| ST-2-20**# / DST-2-20**# | 20 VCT @ 0.055 A | 10 V @ 0.11 A | 2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.25 (0.11) |
| ST-3-20*# / DST-3-20*# | 20 VCT @ 0.12 A | 10 V @ 0.24 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.44 (0.20) |
| ST-4-20*# / DST-4-20*# | 20 VCT @ 0.3 A | 10 V @ 0.6 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.70 (0.32) |
| ST-5-20*# / DST-5-20*# | 20 VCT @ 0.6 A | 10 V @ 1.2 A | 20 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.80 (0.36) |
| ST-6-20 / DST-6-20 | 20 VCT @ 1.0 A | 10 V @ 2.0 A | 36 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 1.1 (0.50) |
| 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) | 2500 Vrms | Class F, 155 C | 1.1 (0.50) |
| ST-2-24**# / DST-2-24**# | 24 VCT @ 0.045 A | 12 V @ 0.09 A | 2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.25 (0.11) |
| ST-3-24*# / DST-3-24*# | 24 VCT @ 0.1 A | 12 V @ 0.2 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.44 (0.20) |
| ST-4-24*# / DST-4-24*# | 24 VCT @ 0.25 A | 12 V @ 0.5 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.70 (0.32) |
| ST-5-24*# / DST-5-24*# | 24 VCT @ 0.5 A | 12 V @ 1.0 A | 20 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.80 (0.36) |
| ST-6-24 / DST-6-24 | 24 VCT @ 0.8 A | 12 V @ 1.6 A | 36 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 1.1 (0.50) |
| 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) | 2500 Vrms | Class F, 155 C | 1.1 (0.50) |
| ST-2-28 / DST-2-28 | 28 VCT @ 0.04 A | 14 V @ 0.08 A | 2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.25 (0.11) |
| ST-3-28 / DST-3-28 | 28 VCT @ 0.085 A | 14 V @ 0.17 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.44 (0.20) |
| ST-4-28 / DST-4-28 | 28 VCT @ 0.2 A | 14 V @ 0.4 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.70 (0.32) |
| ST-5-28 / DST-5-28 | 28 VCT @ 0.42 A | 14 V @ 0.84 A | 20 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.80 (0.36) |
| ST-6-28 / DST-6-28 | 28 VCT @ 0.7 A | 14 V @ 1.4 A | 36 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 1.1 (0.50) |
| 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) | 2500 Vrms | Class F, 155 C | 1.1 (0.50) |
| ST-2-36 / DST-2-36 | 36 VCT @ 0.03 A | 18 V @ 0.06 A | 2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.25 (0.11) |
| ST-3-36 / DST-3-36 | 36 VCT @ 0.065 A | 18 V @ 0.13 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.44 (0.20) |
| ST-4-36 / DST-4-36 | 36 VCT @ 0.17 A | 18 V @ 0.34 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.70 (0.32) |
| ST-5-36 / DST-5-36 | 36 VCT @ 0.35 A | 18 V @ 0.7 A | 20 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.80 (0.36) |
| ST-6-36 / DST-6-36 | 36 VCT @ 0.55 A | 18 V @ 1.1 A | 36 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 1.1 (0.50) |
| 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) | 2500 Vrms | Class F, 155 C | 1.1 (0.50) |
| ST-2-48 / DST-2-48 | 48 VCT @ 0.023 A | 24 V @ 0.046 A | 2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.25 (0.11) |
| ST-3-48 / DST-3-48 | 48 VCT @ 0.05 A | 24 V @ 0.1 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.44 (0.20) |
| ST-4-48 / DST-4-48 | 48 VCT @ 0.125 A | 24 V @ 0.25 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.70 (0.32) |
| ST-5-48 / DST-5-48 | 48 VCT @ 0.25 A | 24 V @ 0.5 A | 20 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.80 (0.36) |
| ST-6-48 / DST-6-48 | 48 VCT @ 0.4 A | 24 V @ 0.8 A | 36 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 1.1 (0.50) |
| 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) | 2500 Vrms | Class F, 155 C | 1.1 (0.50) |
| ST-2-56 / DST-2-56 | 56 VCT @ 0.02 A | 28 V @ 0.04 A | 2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.25 (0.11) |
| ST-3-56 / DST-3-56 | 56 VCT @ 0.045 A | 28 V @ 0.09 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.44 (0.20) |
| ST-4-56 / DST-4-56 | 56 VCT @ 0.11 A | 28 V @ 0.22 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.70 (0.32) |
| ST-5-56 / DST-5-56 | 56 VCT @ 0.22 A | 28 V @ 0.44 A | 20 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.80 (0.36) |
| ST-6-56 / DST-6-56 | 56 VCT @ 0.35 A | 28 V @ 0.7 A | 36 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 1.1 (0.50) |
| 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) | 2500 Vrms | Class F, 155 C | 1.1 (0.50) |
| ST-2-120 / DST-2-120 | 120 VCT @ 0.01 A | 60 V @ 0.02 A | 2.4 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.25 (0.11) |
| ST-3-120 / DST-3-120 | 120 VCT @ 0.02 A | 60 V @ 0.04 A | 6 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.44 (0.20) |
| ST-4-120 / DST-4-120 | 120 VCT @ 0.05 A | 60 V @ 0.1 A | 12 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.70 (0.32) |
| ST-5-120 / DST-5-120 | 120 VCT @ 0.1 A | 60 V @ 0.2 A | 20 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 0.80 (0.36) |
| ST-6-120 / DST-6-120 | 120 VCT @ 0.16 A | 60 V @ 0.32 A | 36 | Single 115 V / Dual 115/230 V | 6 Pin (ST) / 8 Pin (DST) | 2500 Vrms | Class F, 155 C | 1.1 (0.50) |
| 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) | 2500 Vrms | Class F, 155 C | 1.1 (0.50) |
| General Specifications: Power - 1.1 VA to 36 VA; 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. | ||||||||
| Mechanical Specifications (Size 4): L - 1.62" (41.3mm), W - 1.31" (33.3mm), H - 1.31" (33.3mm), ML - 1.06" (26.9mm), A - 0.25" (6.4mm), B - 0.35" (8.9mm), C - 1.25" (31.8mm). Optional Mounting Screw & Nut: Nylon 4-40 x 1.37" (4-40 x 34.9mm). | ||||||||
| Mechanical Specifications (Size 5): L - 1.91" (48.4mm), W - 1.59" (40.4mm), H - 1.45" (36.9mm), ML - 1.25" (31.8mm), A - 0.30" (7.6mm), B - 0.40" (10.2mm), C - 1.41" (35.8mm). Optional Mounting Screw & Nut: Nylon 4-40 x 1.37" (4-40 x 34.9mm). | ||||||||
| Mechanical Specifications (Size 6): L - 2.25" (57.2mm), W - 1.88" (47.8mm), H - 1.45" (36.9mm), ML - 1.50" (38.1mm), A - 0.30" (7.6mm), B - 0.40" (10.2mm), C - 1.60" (40.6mm). Optional Mounting Screw & Nut: Nylon 4-40 x 1.37" (4-40 x 34.9mm). | ||||||||
| Mechanical Specifications (Size 7): L - 2.62" (66.7mm), W - 2.18" (55.5mm), H - 1.59" (40.4mm), ML - Not specified, A - 0.40" (10.2mm), B - 0.40" (10.2mm), C - 1.85" (47.0mm). Mounting: 4 holes on 2.18" x 1.75" centers for #6 screws. Mounting hardware (ST-MS screw, ST-MN nut) available from Signal. | ||||||||
2411272143_Bel-Fuse-DST-5-120_C17404993.pdf
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