Split bobbin dual cavity transformer Bel Fuse DST-3-20 designed for power conversion and PCB mounting
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
Negotiable
Product Description
Product Overview
The Signal ST / DST Series Split/Tran Specialty Purpose & Class 2 Transformers are designed for printed circuit board mounting. These transformers feature a split bobbin construction with dual cavities, providing superior isolation and low capacitive coupling. Their rigid pin construction ensures easier board insertion and enhanced reliability. Suitable for a wide range of applications requiring reliable power conversion, these transformers meet stringent agency certifications and are RoHS compliant.
Product Attributes
- Brand: Signal
- Series: ST / DST Series Split/Tran
- Construction: Split Bobbin with Dual Cavity
- Insulation System: Class F, 155 C
- 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), UL Recognized UL5085-3 Inherently Limited (File # E116583)
- Customization: Custom versions available upon request.
Technical Specifications
| Part Number | Power (VA) | Secondary RMS Rating (Series) | Secondary RMS Rating (Parallel) | Primary Voltage (V) | Frequency (Hz) | Dielectric Strength (Vrms Hipot) | Dimensions (L x W x H) (inches / mm) | Weight (lbs / kg) | Mounting Hardware |
|---|---|---|---|---|---|---|---|---|---|
| ST-2-10**# / DST-2-10**# | 1.1 | 10 VCT @ 0.11 A | 5 V @ 0.22 A | 115 V | 50/60 | 2500 | 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) | 0.17 (0.08) | - |
| ST-3-10*# / DST-3-10*# | 2.4 | 10 VCT @ 0.25 A | 5 V @ 0.5 A | 115 V | 50/60 | 2500 | 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) | 0.25 (0.11) | - |
| ST-4-10*# / DST-4-10*# | 6 | 10 VCT @ 0.6 A | 5 V @ 1.2 A | 115 V | 50/60 | 2500 | 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) | 0.44 (0.20) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-5-10*# / DST-5-10*# | 12 | 10 VCT @ 1.2 A | 5 V @ 2.4 A | 115 V | 50/60 | 2500 | 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) | 0.70 (0.32) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-6-10 / DST-6-10 | 20 | 10 VCT @ 2.0 A | 5 V @ 4.0 A | 115 V | 50/60 | 2500 | 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) | 0.80 (0.36) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-7-10 / DST-7-10 | 36 | 10 VCT @ 3.6 A | 5 V @ 7.2 A | 115 V | 50/60 | 2500 | 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) | 1.1 (0.50) | #6 screws (4 mounting holes on 2.18 x 1.75 centers) |
| ST-2-12**# / DST-2-12**# | 1.1 | 12.6 VCT @ 0.09 A | 6.3 V @ 0.18 A | 115 V | 50/60 | 2500 | 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) | 0.17 (0.08) | - |
| ST-3-12*# / DST-3-12*# | 2.4 | 12.6 VCT @ 0.2 A | 6.3 V @ 0.4 A | 115 V | 50/60 | 2500 | 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) | 0.25 (0.11) | - |
| ST-4-12*# / DST-4-12*# | 6 | 12.6 VCT @ 0.5 A | 6.3 V @ 1.0 A | 115 V | 50/60 | 2500 | 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) | 0.44 (0.20) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-5-12*# / DST-5-12*# | 12 | 12.6 VCT @ 1.0 A | 6.3 V @ 2.0 A | 115 V | 50/60 | 2500 | 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) | 0.70 (0.32) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-6-12 / DST-6-12 | 20 | 12.6 VCT @ 1.6 A | 6.3 V @ 3.2 A | 115 V | 50/60 | 2500 | 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) | 0.80 (0.36) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-7-12 / DST-7-12 | 36 | 12.6 VCT @ 2.85 A | 6.3 V @ 5.7 A | 115 V | 50/60 | 2500 | 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) | 1.1 (0.50) | #6 screws (4 mounting holes on 2.18 x 1.75 centers) |
| ST-2-16**# / DST-2-16**# | 1.1 | 16 VCT @ 0.07 A | 8 V @ 0.14 A | 115 V | 50/60 | 2500 | 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) | 0.17 (0.08) | - |
| ST-3-16*# / DST-3-16*# | 2.4 | 16 VCT @ 0.15 A | 8 V @ 0.3 A | 115 V | 50/60 | 2500 | 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) | 0.25 (0.11) | - |
| ST-4-16*# / DST-4-16*# | 6 | 16 VCT @ 0.4 A | 8 V @ 0.8 A | 115 V | 50/60 | 2500 | 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) | 0.44 (0.20) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-5-16*# / DST-5-16*# | 12 | 16 VCT @ 0.8 A | 8 V @ 1.6 A | 115 V | 50/60 | 2500 | 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) | 0.70 (0.32) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-6-16 / DST-6-16 | 20 | 16 VCT @ 1.25 A | 8 V @ 2.5 A | 115 V | 50/60 | 2500 | 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) | 0.80 (0.36) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-7-16 / DST-7-16 | 36 | 16 VCT @ 2.25 A | 8 V @ 4.5 A | 115 V | 50/60 | 2500 | 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) | 1.1 (0.50) | #6 screws (4 mounting holes on 2.18 x 1.75 centers) |
| ST-2-20**# / DST-2-20**# | 1.1 | 20 VCT @ 0.055 A | 10 V @ 0.11 A | 115 V | 50/60 | 2500 | 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) | 0.17 (0.08) | - |
| ST-3-20*# / DST-3-20*# | 2.4 | 20 VCT @ 0.12 A | 10 V @ 0.24 A | 115 V | 50/60 | 2500 | 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) | 0.25 (0.11) | - |
| ST-4-20*# / DST-4-20*# | 6 | 20 VCT @ 0.3 A | 10 V @ 0.6 A | 115 V | 50/60 | 2500 | 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) | 0.44 (0.20) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-5-20*# / DST-5-20*# | 12 | 20 VCT @ 0.6 A | 10 V @ 1.2 A | 115 V | 50/60 | 2500 | 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) | 0.70 (0.32) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-6-20 / DST-6-20 | 20 | 20 VCT @ 1.0 A | 10 V @ 2.0 A | 115 V | 50/60 | 2500 | 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) | 0.80 (0.36) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-7-20 / DST-7-20 | 36 | 20 VCT @ 1.8 A | 10 V @ 3.6 A | 115 V | 50/60 | 2500 | 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) | 1.1 (0.50) | #6 screws (4 mounting holes on 2.18 x 1.75 centers) |
| ST-2-24**# / DST-2-24**# | 1.1 | 24 VCT @ 0.045 A | 12 V @ 0.09 A | 115 V | 50/60 | 2500 | 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) | 0.17 (0.08) | - |
| ST-3-24*# / DST-3-24*# | 2.4 | 24 VCT @ 0.1 A | 12 V @ 0.2 A | 115 V | 50/60 | 2500 | 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) | 0.25 (0.11) | - |
| ST-4-24*# / DST-4-24*# | 6 | 24 VCT @ 0.25 A | 12 V @ 0.5 A | 115 V | 50/60 | 2500 | 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) | 0.44 (0.20) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-5-24*# / DST-5-24*# | 12 | 24 VCT @ 0.5 A | 12 V @ 1.0 A | 115 V | 50/60 | 2500 | 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) | 0.70 (0.32) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-6-24 / DST-6-24 | 20 | 24 VCT @ 0.8 A | 12 V @ 1.6 A | 115 V | 50/60 | 2500 | 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) | 0.80 (0.36) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-7-24 / DST-7-24 | 36 | 24 VCT @ 1.5 A | 12 V @ 3.0 A | 115 V | 50/60 | 2500 | 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) | 1.1 (0.50) | #6 screws (4 mounting holes on 2.18 x 1.75 centers) |
| ST-2-28 / DST-2-28 | 1.1 | 28 VCT @ 0.04 A | 14 V @ 0.08 A | 115 V | 50/60 | 2500 | 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) | 0.17 (0.08) | - |
| ST-3-28 / DST-3-28 | 2.4 | 28 VCT @ 0.085 A | 14 V @ 0.17 A | 115 V | 50/60 | 2500 | 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) | 0.25 (0.11) | - |
| ST-4-28 / DST-4-28 | 6 | 28 VCT @ 0.2 A | 14 V @ 0.4 A | 115 V | 50/60 | 2500 | 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) | 0.44 (0.20) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-5-28 / DST-5-28 | 12 | 28 VCT @ 0.42 A | 14 V @ 0.84 A | 115 V | 50/60 | 2500 | 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) | 0.70 (0.32) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-6-28 / DST-6-28 | 20 | 28 VCT @ 0.7 A | 14 V @ 1.4 A | 115 V | 50/60 | 2500 | 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) | 0.80 (0.36) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-7-28 / DST-7-28 | 36 | 28 VCT @ 1.3 A | 14 V @ 2.6 A | 115 V | 50/60 | 2500 | 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) | 1.1 (0.50) | #6 screws (4 mounting holes on 2.18 x 1.75 centers) |
| ST-2-36 / DST-2-36 | 1.1 | 36 VCT @ 0.03 A | 18 V @ 0.06 A | 115 V | 50/60 | 2500 | 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) | 0.17 (0.08) | - |
| ST-3-36 / DST-3-36 | 2.4 | 36 VCT @ 0.065 A | 18 V @ 0.13 A | 115 V | 50/60 | 2500 | 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) | 0.25 (0.11) | - |
| ST-4-36 / DST-4-36 | 6 | 36 VCT @ 0.17 A | 18 V @ 0.34 A | 115 V | 50/60 | 2500 | 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) | 0.44 (0.20) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-5-36 / DST-5-36 | 12 | 36 VCT @ 0.35 A | 18 V @ 0.7 A | 115 V | 50/60 | 2500 | 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) | 0.70 (0.32) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-6-36 / DST-6-36 | 20 | 36 VCT @ 0.55 A | 18 V @ 1.1 A | 115 V | 50/60 | 2500 | 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) | 0.80 (0.36) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-7-36 / DST-7-36 | 36 | 36 VCT @ 1.0 A | 18 V @ 2.0 A | 115 V | 50/60 | 2500 | 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) | 1.1 (0.50) | #6 screws (4 mounting holes on 2.18 x 1.75 centers) |
| ST-2-48 / DST-2-48 | 1.1 | 48 VCT @ 0.023 A | 24 V @ 0.046 A | 115 V | 50/60 | 2500 | 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) | 0.17 (0.08) | - |
| ST-3-48 / DST-3-48 | 2.4 | 48 VCT @ 0.05 A | 24 V @ 0.1 A | 115 V | 50/60 | 2500 | 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) | 0.25 (0.11) | - |
| ST-4-48 / DST-4-48 | 6 | 48 VCT @ 0.125 A | 24 V @ 0.25 A | 115 V | 50/60 | 2500 | 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) | 0.44 (0.20) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-5-48 / DST-5-48 | 12 | 48 VCT @ 0.25 A | 24 V @ 0.5 A | 115 V | 50/60 | 2500 | 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) | 0.70 (0.32) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-6-48 / DST-6-48 | 20 | 48 VCT @ 0.4 A | 24 V @ 0.8 A | 115 V | 50/60 | 2500 | 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) | 0.80 (0.36) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-7-48 / DST-7-48 | 36 | 48 VCT @ 0.75 A | 24 V @ 1.5 A | 115 V | 50/60 | 2500 | 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) | 1.1 (0.50) | #6 screws (4 mounting holes on 2.18 x 1.75 centers) |
| ST-2-56 / DST-2-56 | 1.1 | 56 VCT @ 0.02 A | 28 V @ 0.04 A | 115 V | 50/60 | 2500 | 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) | 0.17 (0.08) | - |
| ST-3-56 / DST-3-56 | 2.4 | 56 VCT @ 0.045 A | 28 V @ 0.09 A | 115 V | 50/60 | 2500 | 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) | 0.25 (0.11) | - |
| ST-4-56 / DST-4-56 | 6 | 56 VCT @ 0.11 A | 28 V @ 0.22 A | 115 V | 50/60 | 2500 | 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) | 0.44 (0.20) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-5-56 / DST-5-56 | 12 | 56 VCT @ 0.22 A | 28 V @ 0.44 A | 115 V | 50/60 | 2500 | 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) | 0.70 (0.32) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-6-56 / DST-6-56 | 20 | 56 VCT @ 0.35 A | 28 V @ 0.7 A | 115 V | 50/60 | 2500 | 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) | 0.80 (0.36) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-7-56 / DST-7-56 | 36 | 56 VCT @ 0.65 A | 28 V @ 1.3 A | 115 V | 50/60 | 2500 | 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) | 1.1 (0.50) | #6 screws (4 mounting holes on 2.18 x 1.75 centers) |
| ST-2-120 / DST-2-120 | 1.1 | 120 VCT @ 0.01 A | 60 V @ 0.02 A | 115 V | 50/60 | 2500 | 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) | 0.17 (0.08) | - |
| ST-3-120 / DST-3-120 | 2.4 | 120 VCT @ 0.02 A | 60 V @ 0.04 A | 115 V | 50/60 | 2500 | 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) | 0.25 (0.11) | - |
| ST-4-120 / DST-4-120 | 6 | 120 VCT @ 0.05 A | 60 V @ 0.1 A | 115 V | 50/60 | 2500 | 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) | 0.44 (0.20) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-5-120 / DST-5-120 | 12 | 120 VCT @ 0.1 A | 60 V @ 0.2 A | 115 V | 50/60 | 2500 | 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) | 0.70 (0.32) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-6-120 / DST-6-120 | 20 | 120 VCT @ 0.16 A | 60 V @ 0.32 A | 115 V | 50/60 | 2500 | 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) | 0.80 (0.36) | Nylon 4-40 x 1.37 (4-40 x 34.9) |
| ST-7-120 / DST-7-120 | 36 | 120 VCT @ 0.3 A | 60 V @ 0.6 A | 115 V | 50/60 | 2500 | 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) | 1.1 (0.50) | #6 screws (4 mounting holes on 2.18 x 1.75 centers) |
Note: Recommended secondary fuse values are indicated by numbers in parentheses next to the secondary ratings in the part number selection table. Refer to the Accessories datasheet for mounting screw information.
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Company
Changsha Purple Horn E-Commerce Co., Ltd.
Location
2332 Kaibin Commercial Plaza, No. 419 Shaoshan Middle Road, Shazitang Street, Yuhua District, Changsha City, Hunan Province
Contact Person
Sellina