<
>
Specifications
Secondary Winding:
2
Isolation Voltage(Vrms):
2.5kV
Primary Winding(s):
2
Secondary Side Voltage:
18V;36V
Output Current:
340mA;170mA
Primary Side Voltage:
115V;230V
Mfr. Part #:
DST-4-36
Package:
Through Hole-8P,41.3x33.3mm
Key Attributes
Model Number:
DST-4-36
Product Description
Bel Fuse Signal ST / DST Series Split/Tran Specialty Purpose & Class 2 Transformers
Product Overview
The Bel Fuse Signal ST and DST series transformers are specialty purpose and Class 2 transformers designed for a wide range of applications. Utilizing a split bobbin construction with dual cavities, these transformers offer superior isolation and low capacitive coupling. The rigid pin construction ensures easier board insertion and enhanced reliability, making them suitable for demanding industrial and electronic environments. They are ideal for applications requiring high isolation and reliable signal conditioning.
Product Attributes
- Brand: Bel Fuse 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
- Class 2 - marked with (*) or (**) or (#)
- * CSA certified as Inherently Limited
- ** CSA certified as Non Inherently Limited
- # UL Recognized UL5085-3, Inherently Limited File # E116583
Technical Specifications
| Part Number | Secondary RMS Rating | VA Rating | Size (L x W x H) | Weight (lbs/kg) |
|---|---|---|---|---|
| ST-2-10**# / DST-2-10**# | 10 VCT @ 0.11 A / 5 V @ 0.22 A | 1.1 | 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*# | 10 VCT @ 0.25 A / 5 V @ 0.5 A | 2.4 | 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*# | 10 VCT @ 0.6 A / 5 V @ 1.2 A | 6 | 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*# | 10 VCT @ 1.2 A / 5 V @ 2.4 A | 12 | 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 | 10 VCT @ 2.0 A / 5 V @ 4.0 A | 20 | 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 | 10 VCT @ 3.6 A / 5 V @ 7.2 A | 36 | 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**# | 12.6 VCT @ 0.09 A / 6.3 V @ 0.18 A | 1.1 | 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*# | 12.6 VCT @ 0.2 A / 6.3 V @ 0.4 A | 2.4 | 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*# | 12.6 VCT @ 0.5 A / 6.3 V @ 1.0 A | 6 | 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*# | 12.6 VCT @ 1.0 A / 6.3 V @ 2.0 A | 12 | 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 | 12.6 VCT @ 1.6 A / 6.3 V @ 3.2 A | 20 | 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 | 12.6 VCT @ 2.85 A / 6.3 V @ 5.7 A | 36 | 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**# | 16 VCT @ 0.07 A / 8 V @ 0.14 A | 1.1 | 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*# | 16 VCT @ 0.15 A / 8 V @ 0.3 A | 2.4 | 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*# | 16 VCT @ 0.4 A / 8 V @ 0.8 A | 6 | 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*# | 16 VCT @ 0.8 A / 8 V @ 1.6 A | 12 | 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 | 16 VCT @ 1.25 A / 8 V @ 2.5 A | 20 | 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 | 16 VCT @ 2.25 A / 8 V @ 4.5 A | 36 | 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**# | 20 VCT @ 0.055 A / 10 V @ 0.11 A | 1.1 | 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*# | 20 VCT @ 0.12 A / 10 V @ 0.24 A | 2.4 | 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*# | 20 VCT @ 0.3 A / 10 V @ 0.6 A | 6 | 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*# | 20 VCT @ 0.6 A / 10 V @ 1.2 A | 12 | 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 VCT @ 1.0 A / 10 V @ 2.0 A | 20 | 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 | 20 VCT @ 1.8 A / 10 V @ 3.6 A | 36 | 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**# | 24 VCT @ 0.045 A / 12 V @ 0.09 A | 1.1 | 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*# | 24 VCT @ 0.1 A / 12 V @ 0.2 A | 2.4 | 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*# | 24 VCT @ 0.25 A / 12 V @ 0.5 A | 6 | 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*# | 24 VCT @ 0.5 A / 12 V @ 1.0 A | 12 | 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 | 24 VCT @ 0.8 A / 12 V @ 1.6 A | 20 | 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 | 24 VCT @ 1.5 A / 12 V @ 3.0 A | 36 | 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 | 28 VCT @ 0.04 A / 14 V @ 0.08 A | 1.1 | 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 | 28 VCT @ 0.085 A / 14 V @ 0.17 A | 2.4 | 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 | 28 VCT @ 0.2 A / 14 V @ 0.4 A | 6 | 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 | 28 VCT @ 0.42 A / 14 V @ 0.84 A | 12 | 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 | 28 VCT @ 0.7 A / 14 V @ 1.4 A | 20 | 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 | 28 VCT @ 1.3 A / 14 V @ 2.6 A | 36 | 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 | 36 VCT @ 0.03 A / 18 V @ 0.06 A | 1.1 | 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 | 36 VCT @ 0.065 A / 18 V @ 0.13 A | 2.4 | 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 | 36 VCT @ 0.17 A / 18 V @ 0.34 A | 6 | 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 | 36 VCT @ 0.35 A / 18 V @ 0.7 A | 12 | 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 | 36 VCT @ 0.55 A / 18 V @ 1.1 A | 20 | 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 VCT @ 1.0 A / 18 V @ 2.0 A | 36 | 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 | 48 VCT @ 0.023 A / 24 V @ 0.046 A | 1.1 | 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 | 48 VCT @ 0.05 A / 24 V @ 0.1 A | 2.4 | 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 | 48 VCT @ 0.125 A / 24 V @ 0.25 A | 6 | 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 | 48 VCT @ 0.25 A / 24 V @ 0.5 A | 12 | 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 | 48 VCT @ 0.4 A / 24 V @ 0.8 A | 20 | 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 | 48 VCT @ 0.75 A / 24 V @ 1.5 A | 36 | 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 | 56 VCT @ 0.02 A / 28 V @ 0.04 A | 1.1 | 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 | 56 VCT @ 0.045 A / 28 V @ 0.09 A | 2.4 | 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 | 56 VCT @ 0.11 A / 28 V @ 0.22 A | 6 | 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 | 56 VCT @ 0.22 A / 28 V @ 0.44 A | 12 | 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 | 56 VCT @ 0.35 A / 28 V @ 0.7 A | 20 | 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 | 56 VCT @ 0.65A / 28 V @ 1.3 A | 36 | 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 | 120 VCT @ 0.01 A / 60 V @ 0.02 A | 1.1 | 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 | 120 VCT @ 0.02 A / 60 V @ 0.04 A | 2.4 | 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 | 120 VCT @ 0.05 A / 60 V @ 0.1 A | 6 | 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 | 120 VCT @ 0.1 A / 60 V @ 0.2 A | 12 | 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 | 120 VCT @ 0.16 A / 60 V @ 0.32 A | 20 | 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 | 120 VCT @ 0.3 A / 60 V @ 0.6 A | 36 | 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) | 1.1 (0.50) |
General Specifications
- Power: 1.1 VA to 36 VA
- Dielectric Strength: 2500 Vrms Hipot
- Primaries: Single or dual primaries, 115 V or 115/230 V, 50/60 Hz
- Secondaries: Series or parallel
- Electrostatic Shield: Not necessary due to split bobbin construction
- Mounting Hardware: See chart (Optional Mounting Screw & Nut available from Signal, part numbers ST-MS and ST-MN)
- Size 7 Mounting: 4 mounting holes on 2.18" x 1.75" centers for #6 screws.
Recommended Secondary Fuse Values
- (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
2411272143_Bel-Fuse-DST-4-36_C17543708.pdf
Request A Quote
Please Use Our Online Inquiry Contact Form Below If You Have Any Questions, Our Team Will Get Back To You As Soon As Possible
