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Specifications
Secondary Winding:
2
Isolation Voltage(Vrms):
2.5kV
Primary Winding(s):
2
Secondary Side Voltage:
8V;16V
Output Current:
300mA;150mA
Primary Side Voltage:
115V;230V
Mfr. Part #:
DST-3-16
Package:
Through Hole-8P,34.9x28.6mm
Key Attributes
Model Number:
DST-3-16
Product Description
Product Overview
The Signal ST/DST Series Split/Tran Specialty Purpose & Class 2 Transformers are designed with a split bobbin, dual cavity platform to provide superior isolation and low capacitive coupling. These transformers feature rigid pin construction for easier board insertion and higher reliability. They are suitable for a wide range of power applications, offering flexibility with single or dual primaries and series or parallel secondaries. The series is UL Recognized, CSA certified, and cCSAus certified, ensuring compliance with industry standards. Custom versions are available upon request.
Product Attributes
- Brand: Signal
- Series: ST / DST Series Split/Tran
- Construction: Split Bobbin, Dual Cavity
- Insulation System: Class F, 155 C
- Agency Certifications: UL 1446, UL Recognized 506 / UL 5085-1, 2, CSA Certified C22.2 #66.1, cCSAus Certified C22.2 #66.3 / UL 5085-3, UL5085-3 Inherently Limited
- Compliance: RoHS Compliant
- Origin: USA (implied by address)
Technical Specifications
| Part Number | Power (VA) | Secondary RMS Rating (Series) | Secondary RMS Rating (Parallel) | Primary Voltage (V) | Frequency (Hz) | Dielectric Strength (Vrms Hipot) | Insulation System | Mounting Type | Weight (lbs/kg) |
|---|---|---|---|---|---|---|---|---|---|
| ST-2-10**# / DST-2-10**# | 1.1 | 10 VCT @ 0.11 A | 5 V @ 0.22 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 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 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 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 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.44 (0.20) |
| ST-5-10*# / DST-5-10*# | 12 | 10 VCT @ 1.2 A | 5 V @ 2.4 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.70 (0.32) |
| ST-6-10 / DST-6-10 | 20 | 10 VCT @ 2.0 A | 5 V @ 4.0 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.80 (0.36) |
| ST-7-10 / DST-7-10 | 36 | 10 VCT @ 3.6 A | 5 V @ 7.2 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 1.1 (0.50) |
| 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 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 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 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 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 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.44 (0.20) |
| ST-5-12*# / DST-5-12*# | 12 | 12.6 VCT @ 1.0 A | 6.3 V @ 2.0 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.70 (0.32) |
| ST-6-12 / DST-6-12 | 20 | 12.6 VCT @ 1.6 A | 6.3 V @ 3.2 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.80 (0.36) |
| ST-7-12 / DST-7-12 | 36 | 12.6 VCT @ 2.85 A | 6.3 V @ 5.7 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 1.1 (0.50) |
| ST-2-16**# / DST-2-16**# | 1.1 | 16 VCT @ 0.07 A | 8 V @ 0.14 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 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 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 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 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.44 (0.20) |
| ST-5-16*# / DST-5-16*# | 12 | 16 VCT @ 0.8 A | 8 V @ 1.6 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.70 (0.32) |
| ST-6-16 / DST-6-16 | 20 | 16 VCT @ 1.25 A | 8 V @ 2.5 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.80 (0.36) |
| ST-7-16 / DST-7-16 | 36 | 16 VCT @ 2.25 A | 8 V @ 4.5 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 1.1 (0.50) |
| ST-2-20**# / DST-2-20**# | 1.1 | 20 VCT @ 0.055 A | 10 V @ 0.11 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 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 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 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 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.44 (0.20) |
| ST-5-20*# / DST-5-20*# | 12 | 20 VCT @ 0.6 A | 10 V @ 1.2 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.70 (0.32) |
| ST-6-20 / DST-6-20 | 20 | 20 VCT @ 1.0 A | 10 V @ 2.0 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.80 (0.36) |
| ST-7-20 / DST-7-20 | 36 | 20 VCT @ 1.8 A | 10 V @ 3.6 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 1.1 (0.50) |
| ST-2-24**# / DST-2-24**# | 1.1 | 24 VCT @ 0.045 A | 12 V @ 0.09 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 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 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 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 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.44 (0.20) |
| ST-5-24*# / DST-5-24*# | 12 | 24 VCT @ 0.5 A | 12 V @ 1.0 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.70 (0.32) |
| ST-6-24 / DST-6-24 | 20 | 24 VCT @ 0.8 A | 12 V @ 1.6 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.80 (0.36) |
| ST-7-24 / DST-7-24 | 36 | 24 VCT @ 1.5 A | 12 V @ 3.0 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 1.1 (0.50) |
| ST-2-28 / DST-2-28 | 1.1 | 28 VCT @ 0.04 A | 14 V @ 0.08 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 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 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 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 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.44 (0.20) |
| ST-5-28 / DST-5-28 | 12 | 28 VCT @ 0.42 A | 14 V @ 0.84 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.70 (0.32) |
| ST-6-28 / DST-6-28 | 20 | 28 VCT @ 0.7 A | 14 V @ 1.4 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.80 (0.36) |
| ST-7-28 / DST-7-28 | 36 | 28 VCT @ 1.3 A | 14 V @ 2.6 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 1.1 (0.50) |
| ST-2-36 / DST-2-36 | 1.1 | 36 VCT @ 0.03 A | 18 V @ 0.06 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 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 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 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 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.44 (0.20) |
| ST-5-36 / DST-5-36 | 12 | 36 VCT @ 0.35 A | 18 V @ 0.7 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.70 (0.32) |
| ST-6-36 / DST-6-36 | 20 | 36 VCT @ 0.55 A | 18 V @ 1.1 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.80 (0.36) |
| ST-7-36 / DST-7-36 | 36 | 36 VCT @ 1.0 A | 18 V @ 2.0 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 1.1 (0.50) |
| ST-2-48 / DST-2-48 | 1.1 | 48 VCT @ 0.023 A | 24 V @ 0.046 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 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 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 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 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.44 (0.20) |
| ST-5-48 / DST-5-48 | 12 | 48 VCT @ 0.25 A | 24 V @ 0.5 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.70 (0.32) |
| ST-6-48 / DST-6-48 | 20 | 48 VCT @ 0.4 A | 24 V @ 0.8 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.80 (0.36) |
| ST-7-48 / DST-7-48 | 36 | 48 VCT @ 0.75 A | 24 V @ 1.5 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 1.1 (0.50) |
| ST-2-56 / DST-2-56 | 1.1 | 56 VCT @ 0.02 A | 28 V @ 0.04 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 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 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 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 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.44 (0.20) |
| ST-5-56 / DST-5-56 | 12 | 56 VCT @ 0.22 A | 28 V @ 0.44 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.70 (0.32) |
| ST-6-56 / DST-6-56 | 20 | 56 VCT @ 0.35 A | 28 V @ 0.7 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.80 (0.36) |
| ST-7-56 / DST-7-56 | 36 | 56 VCT @ 0.65 A | 28 V @ 1.3 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 1.1 (0.50) |
| ST-2-120 / DST-2-120 | 1.1 | 120 VCT @ 0.01 A | 60 V @ 0.02 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 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 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 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 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.44 (0.20) |
| ST-5-120 / DST-5-120 | 12 | 120 VCT @ 0.1 A | 60 V @ 0.2 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.70 (0.32) |
| ST-6-120 / DST-6-120 | 20 | 120 VCT @ 0.16 A | 60 V @ 0.32 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 0.80 (0.36) |
| ST-7-120 / DST-7-120 | 36 | 120 VCT @ 0.3 A | 60 V @ 0.6 A | 115 V | 50/60 | 2500 | Class F, 155 C | 6 Pin (ST) / 8 Pin (DST) | 1.1 (0.50) |
| General Specifications: Power - 1.1 VA to 36 VA; Electrostatic Shield - Not necessary, split bobbin construction; Mounting Hardware - see chart. | |||||||||
| 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 34.9). | |||||||||
| 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 34.9). | |||||||||
| 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 34.9). | |||||||||
| Mechanical Specifications (Size 7): L=2.62" (66.7mm), W=2.18" (55.5mm), H=1.59" (40.4mm), ML=N/A, A=0.40" (10.2mm), B=0.40" (10.2mm), C=1.85" (47.0mm). Size 7 has 4 mounting holes on 2.18 x 1.75 centers for #6 screws. Mounting hardware ST-MS (screw) and ST-MN (nut) available from Signal. | |||||||||
| Pin Identification: 1 6 Pin Type ST 115 V 50/60 Hz 5 6 8 7 4 Indicates like polarity. 1 8 Pin Type DST 115/230 V 50/60 Hz 5 6 8 7 3 4 2 Indicates like polarity. | |||||||||
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-3-16_C17271297.pdf
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