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China Specialty purpose signal transformer Bel Fuse DST-3-28 with split bobbin dual cavity and rigid pin construction for sale

Specialty purpose signal transformer Bel Fuse DST-3-28 with split bobbin dual cavity and rigid pin construction

Price Negotiable
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 reliable signal applications, utilizing a split bobbin construction with dual cavities to provide superior isolation and low capacitive coupling. They feature rigid pin construction for easier board insertion and enhanced reliability. These transformers are suitable for a wide range of power requirements from 1.1 VA to 36 VA and are built with a Class F (155C) insulation system. They are available in single or dual primary configurations (115 V or 115/230 V, 50/60 Hz) and offer series or parallel secondary connections. The split bobbin design eliminates the need for an electrostatic shield.

Product Attributes

  • Brand: Signal Transformer (Bel Fuse)
  • Series: ST / DST Series Split/Tran
  • Type: Specialty Purpose & Class 2 Transformers
  • Construction: Split Bobbin with Dual Cavity
  • Insulation System: Class F, 155 C
  • 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 (**) - see recommended fuse rating table
    • UL Recognized UL5085-3, Inherently Limited (#) File # E116583
  • Compliance: RoHS Compliant
  • Customization: Custom versions available upon request.

Technical Specifications

Part Number Secondary RMS Rating Power (VA) Size (L x W x H) Weight (lbs/kg) Primary Configuration Secondary Connections Mounting Holes (ML x A x B x C) Optional Mounting Hardware
ST-2-10**# / DST-2-10**# 10 VCT @ 0.11 A / 5 V @ 0.22 A 1.1 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel - x 0.25" (6.4mm) x 0.25" (6.4mm) x 1.20" (30.5mm) -
ST-3-10*# / DST-3-10*# 10 VCT @ 0.25 A (5) / 5 V @ 0.5 A (9) 2.4 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel - x 0.25" (6.4mm) x 0.25" (6.4mm) x 1.20" (30.5mm) -
ST-4-10*# / DST-4-10*# 10 VCT @ 0.6 A (9) / 5 V @ 1.2 A (11) 6 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.06" (26.9mm) x 0.25" (6.4mm) x 0.35" (8.9mm) x 1.25" (31.8mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-5-10*# / DST-5-10*# 10 VCT @ 1.2 A (11) / 5 V @ 2.4 A (13) 12 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.25" (31.8mm) x 0.30" (7.6mm) x 0.40" (10.2mm) x 1.41" (35.8mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-6-10 / DST-6-10 10 VCT @ 2.0 A / 5 V @ 4.0 A 20 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.50" (38.1mm) x 0.30" (7.6mm) x 0.40" (10.2mm) x 1.60" (40.6mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-7-10 / DST-7-10 10 VCT @ 3.6 A / 5 V @ 7.2 A 36 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel (2.18" x 1.75" centers for #6 screws) x 0.40" (10.2mm) x 0.40" (10.2mm) x 1.85" (47.0mm) ST-MS (screw), ST-MN (nut)
ST-2-12**# / DST-2-12**# 12.6 VCT @ 0.09 A / 6.3 V @ 0.18 A 1.1 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel - x 0.25" (6.4mm) x 0.25" (6.4mm) x 1.20" (30.5mm) -
ST-3-12*# / DST-3-12*# 12.6 VCT @ 0.2 A (4) / 6.3 V @ 0.4 A (8) 2.4 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel - x 0.25" (6.4mm) x 0.25" (6.4mm) x 1.20" (30.5mm) -
ST-4-12*# / DST-4-12*# 12.6 VCT @ 0.5 A (9) / 6.3 V @ 1.0 A (11) 6 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.06" (26.9mm) x 0.25" (6.4mm) x 0.35" (8.9mm) x 1.25" (31.8mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-5-12*# / DST-5-12*# 12.6 VCT @ 1.0 A (11) / 6.3 V @ 2.0 A (13) 12 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.25" (31.8mm) x 0.30" (7.6mm) x 0.40" (10.2mm) x 1.41" (35.8mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-6-12 / DST-6-12 12.6 VCT @ 1.6 A / 6.3 V @ 3.2 A 20 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.50" (38.1mm) x 0.30" (7.6mm) x 0.40" (10.2mm) x 1.60" (40.6mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-7-12 / DST-7-12 12.6 VCT @ 2.85 A / 6.3 V @ 5.7 A 36 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel (2.18" x 1.75" centers for #6 screws) x 0.40" (10.2mm) x 0.40" (10.2mm) x 1.85" (47.0mm) ST-MS (screw), ST-MN (nut)
ST-2-16**# / DST-2-16**# 16 VCT @ 0.07 A / 8 V @ 0.14 A 1.1 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel - x 0.25" (6.4mm) x 0.25" (6.4mm) x 1.20" (30.5mm) -
ST-3-16*# / DST-3-16*# 16 VCT @ 0.15 A (3) / 8 V @ 0.3 A (6) 2.4 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel - x 0.25" (6.4mm) x 0.25" (6.4mm) x 1.20" (30.5mm) -
ST-4-16*# / DST-4-16*# 16 VCT @ 0.4 A (7) / 8 V @ 0.8 A (10) 6 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.06" (26.9mm) x 0.25" (6.4mm) x 0.35" (8.9mm) x 1.25" (31.8mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-5-16*# / DST-5-16*# 16 VCT @ 0.8 A (10) / 8 V @ 1.6 A (12) 12 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.25" (31.8mm) x 0.30" (7.6mm) x 0.40" (10.2mm) x 1.41" (35.8mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-6-16 / DST-6-16 16 VCT @ 1.25 A / 8 V @ 2.5 A 20 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.50" (38.1mm) x 0.30" (7.6mm) x 0.40" (10.2mm) x 1.60" (40.6mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-7-16 / DST-7-16 16 VCT @ 2.25 A / 8 V @ 4.5 A 36 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel (2.18" x 1.75" centers for #6 screws) x 0.40" (10.2mm) x 0.40" (10.2mm) x 1.85" (47.0mm) ST-MS (screw), ST-MN (nut)
ST-2-20**# / DST-2-20**# 20 VCT @ 0.055 A / 10 V @ 0.11 A 1.1 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel - x 0.25" (6.4mm) x 0.25" (6.4mm) x 1.20" (30.5mm) -
ST-3-20*# / DST-3-20*# 20 VCT @ 0.12 A (2) / 10 V @ 0.24 A (5) 2.4 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel - x 0.25" (6.4mm) x 0.25" (6.4mm) x 1.20" (30.5mm) -
ST-4-20*# / DST-4-20*# 20 VCT @ 0.3 A (6) / 10 V @ 0.6 A (9) 6 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.06" (26.9mm) x 0.25" (6.4mm) x 0.35" (8.9mm) x 1.25" (31.8mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-5-20*# / DST-5-20*# 20 VCT @ 0.6 A (9) / 10 V @ 1.2 A (11) 12 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.25" (31.8mm) x 0.30" (7.6mm) x 0.40" (10.2mm) x 1.41" (35.8mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-6-20 / DST-6-20 20 VCT @ 1.0 A / 10 V @ 2.0 A 20 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.50" (38.1mm) x 0.30" (7.6mm) x 0.40" (10.2mm) x 1.60" (40.6mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-7-20 / DST-7-20 20 VCT @ 1.8 A / 10 V @ 3.6 A 36 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel (2.18" x 1.75" centers for #6 screws) x 0.40" (10.2mm) x 0.40" (10.2mm) x 1.85" (47.0mm) ST-MS (screw), ST-MN (nut)
ST-2-24**# / DST-2-24**# 24 VCT @ 0.045 A / 12 V @ 0.09 A 1.1 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel - x 0.25" (6.4mm) x 0.25" (6.4mm) x 1.20" (30.5mm) -
ST-3-24*# / DST-3-24*# 24 VCT @ 0.1 A (1) / 12 V @ 0.2 A (4) 2.4 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel - x 0.25" (6.4mm) x 0.25" (6.4mm) x 1.20" (30.5mm) -
ST-4-24*# / DST-4-24*# 24 VCT @ 0.25 A (5) / 12 V @ 0.5 A (9) 6 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.06" (26.9mm) x 0.25" (6.4mm) x 0.35" (8.9mm) x 1.25" (31.8mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-5-24*# / DST-5-24*# 24 VCT @ 0.5 A (9) / 12 V @ 1.0 A (11) 12 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.25" (31.8mm) x 0.30" (7.6mm) x 0.40" (10.2mm) x 1.41" (35.8mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-6-24 / DST-6-24 24 VCT @ 0.8 A / 12 V @ 1.6 A 20 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.50" (38.1mm) x 0.30" (7.6mm) x 0.40" (10.2mm) x 1.60" (40.6mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-7-24 / DST-7-24 24 VCT @ 1.5 A / 12 V @ 3.0 A 36 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel (2.18" x 1.75" centers for #6 screws) x 0.40" (10.2mm) x 0.40" (10.2mm) x 1.85" (47.0mm) ST-MS (screw), ST-MN (nut)
ST-2-28 / DST-2-28 28 VCT @ 0.04 A / 14 V @ 0.08 A 1.1 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel - x 0.25" (6.4mm) x 0.25" (6.4mm) x 1.20" (30.5mm) -
ST-3-28 / DST-3-28 28 VCT @ 0.085 A / 14 V @ 0.17 A 2.4 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel - x 0.25" (6.4mm) x 0.25" (6.4mm) x 1.20" (30.5mm) -
ST-4-28 / DST-4-28 28 VCT @ 0.2 A / 14 V @ 0.4 A 6 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.06" (26.9mm) x 0.25" (6.4mm) x 0.35" (8.9mm) x 1.25" (31.8mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-5-28 / DST-5-28 28 VCT @ 0.42 A / 14 V @ 0.84 A 12 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.25" (31.8mm) x 0.30" (7.6mm) x 0.40" (10.2mm) x 1.41" (35.8mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-6-28 / DST-6-28 28 VCT @ 0.7 A / 14 V @ 1.4 A 20 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.50" (38.1mm) x 0.30" (7.6mm) x 0.40" (10.2mm) x 1.60" (40.6mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-7-28 / DST-7-28 28 VCT @ 1.3 A / 14 V @ 2.6 A 36 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel (2.18" x 1.75" centers for #6 screws) x 0.40" (10.2mm) x 0.40" (10.2mm) x 1.85" (47.0mm) ST-MS (screw), ST-MN (nut)
ST-2-36 / DST-2-36 36 VCT @ 0.03 A / 18 V @ 0.06 A 1.1 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel - x 0.25" (6.4mm) x 0.25" (6.4mm) x 1.20" (30.5mm) -
ST-3-36 / DST-3-36 36 VCT @ 0.065 A / 18 V @ 0.13 A 2.4 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel - x 0.25" (6.4mm) x 0.25" (6.4mm) x 1.20" (30.5mm) -
ST-4-36 / DST-4-36 36 VCT @ 0.17 A / 18 V @ 0.34 A 6 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.06" (26.9mm) x 0.25" (6.4mm) x 0.35" (8.9mm) x 1.25" (31.8mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-5-36 / DST-5-36 36 VCT @ 0.35 A / 18 V @ 0.7 A 12 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.25" (31.8mm) x 0.30" (7.6mm) x 0.40" (10.2mm) x 1.41" (35.8mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-6-36 / DST-6-36 36 VCT @ 0.55 A / 18 V @ 1.1 A 20 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.50" (38.1mm) x 0.30" (7.6mm) x 0.40" (10.2mm) x 1.60" (40.6mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-7-36 / DST-7-36 36 VCT @ 1.0 A / 18 V @ 2.0 A 36 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel (2.18" x 1.75" centers for #6 screws) x 0.40" (10.2mm) x 0.40" (10.2mm) x 1.85" (47.0mm) ST-MS (screw), ST-MN (nut)
ST-2-48 / DST-2-48 48 VCT @ 0.023 A / 24 V @ 0.046 A 1.1 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel - x 0.25" (6.4mm) x 0.25" (6.4mm) x 1.20" (30.5mm) -
ST-3-48 / DST-3-48 48 VCT @ 0.05 A / 24 V @ 0.1 A 2.4 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel - x 0.25" (6.4mm) x 0.25" (6.4mm) x 1.20" (30.5mm) -
ST-4-48 / DST-4-48 48 VCT @ 0.125 A / 24 V @ 0.25 A 6 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.06" (26.9mm) x 0.25" (6.4mm) x 0.35" (8.9mm) x 1.25" (31.8mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-5-48 / DST-5-48 48 VCT @ 0.25 A / 24 V @ 0.5 A 12 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.25" (31.8mm) x 0.30" (7.6mm) x 0.40" (10.2mm) x 1.41" (35.8mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-6-48 / DST-6-48 48 VCT @ 0.4 A / 24 V @ 0.8 A 20 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.50" (38.1mm) x 0.30" (7.6mm) x 0.40" (10.2mm) x 1.60" (40.6mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-7-48 / DST-7-48 48 VCT @ 0.75 A / 24 V @ 1.5 A 36 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel (2.18" x 1.75" centers for #6 screws) x 0.40" (10.2mm) x 0.40" (10.2mm) x 1.85" (47.0mm) ST-MS (screw), ST-MN (nut)
ST-2-56 / DST-2-56 56 VCT @ 0.02 A / 28 V @ 0.04 A 1.1 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel - x 0.25" (6.4mm) x 0.25" (6.4mm) x 1.20" (30.5mm) -
ST-3-56 / DST-3-56 56 VCT @ 0.045 A / 28 V @ 0.09 A 2.4 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel - x 0.25" (6.4mm) x 0.25" (6.4mm) x 1.20" (30.5mm) -
ST-4-56 / DST-4-56 56 VCT @ 0.11 A / 28 V @ 0.22 A 6 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.06" (26.9mm) x 0.25" (6.4mm) x 0.35" (8.9mm) x 1.25" (31.8mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-5-56 / DST-5-56 56 VCT @ 0.22 A / 28 V @ 0.44 A 12 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.25" (31.8mm) x 0.30" (7.6mm) x 0.40" (10.2mm) x 1.41" (35.8mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-6-56 / DST-6-56 56 VCT @ 0.35 A / 28 V @ 0.7 A 20 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.50" (38.1mm) x 0.30" (7.6mm) x 0.40" (10.2mm) x 1.60" (40.6mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-7-56 / DST-7-56 56 VCT @ 0.65 A / 28 V @ 1.3 A 36 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel (2.18" x 1.75" centers for #6 screws) x 0.40" (10.2mm) x 0.40" (10.2mm) x 1.85" (47.0mm) ST-MS (screw), ST-MN (nut)
ST-2-120 / DST-2-120 120 VCT @ 0.01 A / 60 V @ 0.02 A 1.1 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel - x 0.25" (6.4mm) x 0.25" (6.4mm) x 1.20" (30.5mm) -
ST-3-120 / DST-3-120 120 VCT @ 0.02 A / 60 V @ 0.04 A 2.4 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel - x 0.25" (6.4mm) x 0.25" (6.4mm) x 1.20" (30.5mm) -
ST-4-120 / DST-4-120 120 VCT @ 0.05 A / 60 V @ 0.1 A 6 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.06" (26.9mm) x 0.25" (6.4mm) x 0.35" (8.9mm) x 1.25" (31.8mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-5-120 / DST-5-120 120 VCT @ 0.1 A / 60 V @ 0.2 A 12 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.25" (31.8mm) x 0.30" (7.6mm) x 0.40" (10.2mm) x 1.41" (35.8mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-6-120 / DST-6-120 120 VCT @ 0.16 A / 60 V @ 0.32 A 20 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel 1.50" (38.1mm) x 0.30" (7.6mm) x 0.40" (10.2mm) x 1.60" (40.6mm) Nylon 4-40 x 1.37" (4-40 x 34.9mm)
ST-7-120 / DST-7-120 120 VCT @ 0.3 A / 60 V @ 0.6 A 36 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50) Single 115 V (ST) / Dual 115/230 V (DST) Series / Parallel (2.18" x 1.75" centers for #6 screws) x 0.40" (10.2mm) x 0.40" (10.2mm) x 1.85" (47.0mm) ST-MS (screw), ST-MN (nut)
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, split bobbin construction
Insulation System: Class F, 155 C
Mounting Hardware: see chart
RoHS Compliant
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

Specifications subject to change without notice.


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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

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