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China Split Bobbin Dual Cavity Transformer Bel Fuse DST-2-24 Signal ST DST Series with Superior Isolation Features for sale

Split Bobbin Dual Cavity Transformer Bel Fuse DST-2-24 Signal ST DST Series with Superior Isolation Features

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 applications requiring superior isolation and low capacitive coupling. Utilizing a split bobbin with dual cavity construction, these transformers eliminate the need for electrostatic shields. They feature rigid pin construction for enhanced board insertion reliability and are available in a wide range of power ratings from 1.1 VA to 36 VA. These transformers are suitable for various signal and power applications and are offered in both single (ST) and dual (DST) primary configurations, supporting 115V or 115/230V input at 50/60 Hz. They are RoHS compliant and carry multiple agency certifications for safety and performance.

Product Attributes

  • Brand: Signal Transformer
  • Series: ST / DST Series Split/Tran
  • Construction: Split Bobbin with Dual Cavity
  • Insulation System: Class F, 155 C
  • Compliance: RoHS Compliant
  • 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

Technical Specifications

Part Number Secondary RMS Rating (Series) Secondary RMS Rating (Parallel) Power (VA) 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 2.25 x 1.88 x 1.45 0.80
ST-7-56 / DST-7-56 56 VCT @ 0.65 A 28 V @ 1.3 A 36 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 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 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 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 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 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 2.62 x 2.18 x 1.59 1.1
General Specifications:
Power Range 1.1 VA to 36 VA
Dielectric Strength 2500 Vrms Hipot
Primary Configurations Single or dual primaries
Input Voltage 115 V or 115/230 V, 50/60 Hz
Secondary Connection Series or parallel
Insulation System Class F, 155 C
Mounting Hardware See chart (ST-MS screw, ST-MN nut available separately)
Class 2 Marking Indicated by (*), (**), or (#) on part number
CSA Certification Types Inherently Limited (*) or Non Inherently Limited (**)
UL 5085-3 Certification Inherently Limited (#)

Note: Recommended secondary fuse values are indicated by numbers in parentheses next to secondary ratings in the part number selection table.


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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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