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China Signal Transformer ST DST Series Dual Cavity Split Bobbin Transformer Bel Fuse ST 5 16 for PCB Mounting for sale

Signal Transformer ST DST Series Dual Cavity Split Bobbin Transformer Bel Fuse ST 5 16 for PCB Mounting

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 printed circuit board mounting, offering superior isolation and low capacitive coupling thanks to their dual cavity split bobbin construction. These transformers feature rigid pin construction for enhanced board insertion reliability. They are suitable for a wide range of power applications from 1.1 VA to 36 VA and are recognized by major safety agencies.

Product Attributes

  • Brand: Signal Transformer
  • Series: ST / DST Series Split/Tran
  • Construction: Split Bobbin with Dual Cavity
  • Pin Construction: Rigid
  • Insulation System: Class F (155 C)
  • RoHS Compliant: Yes
  • Agency Certifications: UL 1446, UL Recognized 506 / UL 5085-1, 2, CSA certified to C22.2 #66.1, cCSAus certified to C22.2 #66.3 / UL 5085-3. Class 2 marking indicated by (*), (**), or (#).
  • Customization: Custom versions available upon request.

Technical Specifications

Part Number Secondary RMS Rating (Series) Secondary RMS Rating (Parallel) Power (VA) Primary Configuration Pin Configuration Dielectric Strength (Vrms Hipot) Insulation System Dimensions (L x W x H) (Inches) Weight (lbs)
ST-2-10**# / DST-2-10**# 10 VCT @ 0.11 A 5 V @ 0.22 A 1.1 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.37 x 1.12 x 0.97 0.17
ST-3-10*# / DST-3-10*# 10 VCT @ 0.25 A 5 V @ 0.5 A 2.4 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.37 x 1.12 x 1.21 0.25
ST-4-10*# / DST-4-10*# 10 VCT @ 0.6 A 5 V @ 1.2 A 6 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.62 x 1.31 x 1.31 0.44
ST-5-10*# / DST-5-10*# 10 VCT @ 1.2 A 5 V @ 2.4 A 12 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.91 x 1.59 x 1.45 0.70
ST-6-10 / DST-6-10 10 VCT @ 2.0 A 5 V @ 4.0 A 20 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 2.25 x 1.88 x 1.45 0.80
ST-7-10 / DST-7-10 10 VCT @ 3.6 A 5 V @ 7.2 A 36 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 2.62 x 2.18 x 1.59 1.1
ST-2-12**# / DST-2-12**# 12.6 VCT @ 0.09 A 6.3 V @ 0.18 A 1.1 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.37 x 1.12 x 0.97 0.17
ST-3-12*# / DST-3-12*# 12.6 VCT @ 0.2 A 6.3 V @ 0.4 A 2.4 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.37 x 1.12 x 1.21 0.25
ST-4-12*# / DST-4-12*# 12.6 VCT @ 0.5 A 6.3 V @ 1.0 A 6 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.62 x 1.31 x 1.31 0.44
ST-5-12*# / DST-5-12*# 12.6 VCT @ 1.0 A 6.3 V @ 2.0 A 12 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.91 x 1.59 x 1.45 0.70
ST-6-12 / DST-6-12 12.6 VCT @ 1.6 A 6.3 V @ 3.2 A 20 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 2.25 x 1.88 x 1.45 0.80
ST-7-12 / DST-7-12 12.6 VCT @ 2.85 A 6.3 V @ 5.7 A 36 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 2.62 x 2.18 x 1.59 1.1
ST-2-16**# / DST-2-16**# 16 VCT @ 0.07 A 8 V @ 0.14 A 1.1 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.37 x 1.12 x 0.97 0.17
ST-3-16*# / DST-3-16*# 16 VCT @ 0.15 A 8 V @ 0.3 A 2.4 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.37 x 1.12 x 1.21 0.25
ST-4-16*# / DST-4-16*# 16 VCT @ 0.4 A 8 V @ 0.8 A 6 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.62 x 1.31 x 1.31 0.44
ST-5-16*# / DST-5-16*# 16 VCT @ 0.8 A 8 V @ 1.6 A 12 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.91 x 1.59 x 1.45 0.70
ST-6-16 / DST-6-16 16 VCT @ 1.25 A 8 V @ 2.5 A 20 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 2.25 x 1.88 x 1.45 0.80
ST-7-16 / DST-7-16 16 VCT @ 2.25 A 8 V @ 4.5 A 36 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 2.62 x 2.18 x 1.59 1.1
ST-2-20**# / DST-2-20**# 20 VCT @ 0.055 A 10 V @ 0.11 A 1.1 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.37 x 1.12 x 0.97 0.17
ST-3-20*# / DST-3-20*# 20 VCT @ 0.12 A 10 V @ 0.24 A 2.4 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.37 x 1.12 x 1.21 0.25
ST-4-20*# / DST-4-20*# 20 VCT @ 0.3 A 10 V @ 0.6 A 6 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.62 x 1.31 x 1.31 0.44
ST-5-20*# / DST-5-20*# 20 VCT @ 0.6 A 10 V @ 1.2 A 12 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.91 x 1.59 x 1.45 0.70
ST-6-20 / DST-6-20 20 VCT @ 1.0 A 10 V @ 2.0 A 20 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 2.25 x 1.88 x 1.45 0.80
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 / 8 Pin 2500 Class F, 155 C 2.62 x 2.18 x 1.59 1.1
ST-2-24**# / DST-2-24**# 24 VCT @ 0.045 A 12 V @ 0.09 A 1.1 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.37 x 1.12 x 0.97 0.17
ST-3-24*# / DST-3-24*# 24 VCT @ 0.1 A 12 V @ 0.2 A 2.4 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.37 x 1.12 x 1.21 0.25
ST-4-24*# / DST-4-24*# 24 VCT @ 0.25 A 12 V @ 0.5 A 6 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.62 x 1.31 x 1.31 0.44
ST-5-24*# / DST-5-24*# 24 VCT @ 0.5 A 12 V @ 1.0 A 12 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.91 x 1.59 x 1.45 0.70
ST-6-24 / DST-6-24 24 VCT @ 0.8 A 12 V @ 1.6 A 20 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 2.25 x 1.88 x 1.45 0.80
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 / 8 Pin 2500 Class F, 155 C 2.62 x 2.18 x 1.59 1.1
ST-2-28 / DST-2-28 28 VCT @ 0.04 A 14 V @ 0.08 A 1.1 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.37 x 1.12 x 0.97 0.17
ST-3-28 / DST-3-28 28 VCT @ 0.085 A 14 V @ 0.17 A 2.4 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.37 x 1.12 x 1.21 0.25
ST-4-28 / DST-4-28 28 VCT @ 0.2 A 14 V @ 0.4 A 6 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.62 x 1.31 x 1.31 0.44
ST-5-28 / DST-5-28 28 VCT @ 0.42 A 14 V @ 0.84 A 12 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.91 x 1.59 x 1.45 0.70
ST-6-28 / DST-6-28 28 VCT @ 0.7 A 14 V @ 1.4 A 20 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 2.25 x 1.88 x 1.45 0.80
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 / 8 Pin 2500 Class F, 155 C 2.62 x 2.18 x 1.59 1.1
ST-2-36 / DST-2-36 36 VCT @ 0.03 A 18 V @ 0.06 A 1.1 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.37 x 1.12 x 0.97 0.17
ST-3-36 / DST-3-36 36 VCT @ 0.065 A 18 V @ 0.13 A 2.4 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.37 x 1.12 x 1.21 0.25
ST-4-36 / DST-4-36 36 VCT @ 0.17 A 18 V @ 0.34 A 6 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.62 x 1.31 x 1.31 0.44
ST-5-36 / DST-5-36 36 VCT @ 0.35 A 18 V @ 0.7 A 12 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.91 x 1.59 x 1.45 0.70
ST-6-36 / DST-6-36 36 VCT @ 0.55 A 18 V @ 1.1 A 20 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 2.25 x 1.88 x 1.45 0.80
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 / 8 Pin 2500 Class F, 155 C 2.62 x 2.18 x 1.59 1.1
ST-2-48 / DST-2-48 48 VCT @ 0.023 A 24 V @ 0.046 A 1.1 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.37 x 1.12 x 0.97 0.17
ST-3-48 / DST-3-48 48 VCT @ 0.05 A 24 V @ 0.1 A 2.4 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.37 x 1.12 x 1.21 0.25
ST-4-48 / DST-4-48 48 VCT @ 0.125 A 24 V @ 0.25 A 6 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.62 x 1.31 x 1.31 0.44
ST-5-48 / DST-5-48 48 VCT @ 0.25 A 24 V @ 0.5 A 12 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.91 x 1.59 x 1.45 0.70
ST-6-48 / DST-6-48 48 VCT @ 0.4 A 24 V @ 0.8 A 20 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 2.25 x 1.88 x 1.45 0.80
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 / 8 Pin 2500 Class F, 155 C 2.62 x 2.18 x 1.59 1.1
ST-2-56 / DST-2-56 56 VCT @ 0.02 A 28 V @ 0.04 A 1.1 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.37 x 1.12 x 0.97 0.17
ST-3-56 / DST-3-56 56 VCT @ 0.045 A 28 V @ 0.09 A 2.4 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.37 x 1.12 x 1.21 0.25
ST-4-56 / DST-4-56 56 VCT @ 0.11 A 28 V @ 0.22 A 6 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.62 x 1.31 x 1.31 0.44
ST-5-56 / DST-5-56 56 VCT @ 0.22 A 28 V @ 0.44 A 12 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.91 x 1.59 x 1.45 0.70
ST-6-56 / DST-6-56 56 VCT @ 0.35 A 28 V @ 0.7 A 20 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 2.25 x 1.88 x 1.45 0.80
ST-7-56 / DST-7-56 56 VCT @ 0.65A 28 V @ 1.3 A 36 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 2.62 x 2.18 x 1.59 1.1
ST-2-120 / DST-2-120 120 VCT @ 0.01 A 60 V @ 0.02 A 1.1 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.37 x 1.12 x 0.97 0.17
ST-3-120 / DST-3-120 120 VCT @ 0.02 A 60 V @ 0.04 A 2.4 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.37 x 1.12 x 1.21 0.25
ST-4-120 / DST-4-120 120 VCT @ 0.05 A 60 V @ 0.1 A 6 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.62 x 1.31 x 1.31 0.44
ST-5-120 / DST-5-120 120 VCT @ 0.1 A 60 V @ 0.2 A 12 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 1.91 x 1.59 x 1.45 0.70
ST-6-120 / DST-6-120 120 VCT @ 0.16 A 60 V @ 0.32 A 20 Single 115 V / Dual 115/230 V 6 Pin / 8 Pin 2500 Class F, 155 C 2.25 x 1.88 x 1.45 0.80
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 / 8 Pin 2500 Class F, 155 C 2.62 x 2.18 x 1.59 1.1

Note on Part Number Suffixes:

  • '**' indicates CSA certified as Inherently Limited.
  • '*' indicates CSA certified as Non Inherently Limited (see recommended fuse rating table).
  • '#' indicates UL Recognized UL5085-3, Inherently Limited.

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

Mounting Hardware: See Accessories datasheet for mounting screw information. Size 7 has 4 mounting holes on 2.18 x 1.75 centers for #6 screws. Optional Mounting Screw (ST-MS) and Nut (ST-MN) available from Signal.


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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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