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China factory - Changsha Purple Horn E-Commerce Co., Ltd.

Changsha Purple Horn E-Commerce Co., Ltd.

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  3. PCB Mount Split Bobbin Transformer with Dual Cavity and Class F Insulation Bel
China PCB Mount Split Bobbin Transformer with Dual Cavity and Class F Insulation Bel
China PCB Mount Split Bobbin Transformer with Dual Cavity and Class F Insulation Bel

  1. China PCB Mount Split Bobbin Transformer with Dual Cavity and Class F Insulation Bel

PCB Mount Split Bobbin Transformer with Dual Cavity and Class F Insulation Bel

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Secondary Winding 2
Isolation Voltage(Vrms) 2.5kV
Primary Winding(s) 1
Secondary Side Voltage 12V;24V
Output Current 500mA;250mA
Primary Side Voltage 115V
Description 115V Through Hole-6P,41.3x33.3mm Power Transformers RoHS
Mfr. Part # ST-4-24
Package Through Hole-6P,41.3x33.3mm
Model Number ST-4-24

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  1. Product Details
  2. Company Details

Product Specification

Secondary Winding 2 Isolation Voltage(Vrms) 2.5kV
Primary Winding(s) 1 Secondary Side Voltage 12V;24V
Output Current 500mA;250mA Primary Side Voltage 115V
Description 115V Through Hole-6P,41.3x33.3mm Power Transformers RoHS Mfr. Part # ST-4-24
Package Through Hole-6P,41.3x33.3mm Model Number ST-4-24

Product Overview

The Signal ST and DST Series Split/Tran Specialty Purpose & Class 2 Transformers are designed for printed circuit board mounting. Utilizing a dual cavity platform, these transformers offer superior isolation and low capacitive coupling. Their rigid pin construction ensures easier board insertion and enhanced reliability. These transformers are suitable for a wide range of power applications, from 1.1 VA to 36 VA, and are built with a Class F insulation system (155 C).

Product Attributes

  • Brand: Signal Transformer (Bel Fuse)
  • Series: ST / DST Series Split/Tran
  • Construction: Split Bobbin with Dual Cavity
  • Insulation System: Class F (155 C)
  • 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
  • Compliance: RoHS Compliant
  • Customization: Custom versions available upon request.

Technical Specifications

Part Number Secondary RMS Rating (Series) Secondary RMS Rating (Parallel) Power (VA) Pin Configuration Dimensions (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 6 Pin (ST) / 8 Pin (DST) 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08)
ST-3-10*# / DST-3-10*# 10 VCT @ 0.25 A 5 V @ 0.5 A 2.4 6 Pin (ST) / 8 Pin (DST) 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11)
ST-4-10*# / DST-4-10*# 10 VCT @ 0.6 A 5 V @ 1.2 A 6 6 Pin (ST) / 8 Pin (DST) 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20)
ST-5-10*# / DST-5-10*# 10 VCT @ 1.2 A 5 V @ 2.4 A 12 6 Pin (ST) / 8 Pin (DST) 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32)
ST-6-10 / DST-6-10 10 VCT @ 2.0 A 5 V @ 4.0 A 20 6 Pin (ST) / 8 Pin (DST) 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36)
ST-7-10 / DST-7-10 10 VCT @ 3.6 A 5 V @ 7.2 A 36 6 Pin (ST) / 8 Pin (DST) 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50)
ST-2-12**# / DST-2-12**# 12.6 VCT @ 0.09 A 6.3 V @ 0.18 A 1.1 6 Pin (ST) / 8 Pin (DST) 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08)
ST-3-12*# / DST-3-12*# 12.6 VCT @ 0.2 A 6.3 V @ 0.4 A 2.4 6 Pin (ST) / 8 Pin (DST) 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11)
ST-4-12*# / DST-4-12*# 12.6 VCT @ 0.5 A 6.3 V @ 1.0 A 6 6 Pin (ST) / 8 Pin (DST) 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20)
ST-5-12*# / DST-5-12*# 12.6 VCT @ 1.0 A 6.3 V @ 2.0 A 12 6 Pin (ST) / 8 Pin (DST) 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32)
ST-6-12 / DST-6-12 12.6 VCT @ 1.6 A 6.3 V @ 3.2 A 20 6 Pin (ST) / 8 Pin (DST) 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36)
ST-7-12 / DST-7-12 12.6 VCT @ 2.85 A 6.3 V @ 5.7 A 36 6 Pin (ST) / 8 Pin (DST) 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50)
ST-2-16**# / DST-2-16**# 16 VCT @ 0.07 A 8 V @ 0.14 A 1.1 6 Pin (ST) / 8 Pin (DST) 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08)
ST-3-16*# / DST-3-16*# 16 VCT @ 0.15 A 8 V @ 0.3 A 2.4 6 Pin (ST) / 8 Pin (DST) 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11)
ST-4-16*# / DST-4-16*# 16 VCT @ 0.4 A 8 V @ 0.8 A 6 6 Pin (ST) / 8 Pin (DST) 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20)
ST-5-16*# / DST-5-16*# 16 VCT @ 0.8 A 8 V @ 1.6 A 12 6 Pin (ST) / 8 Pin (DST) 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32)
ST-6-16 / DST-6-16 16 VCT @ 1.25 A 8 V @ 2.5 A 20 6 Pin (ST) / 8 Pin (DST) 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36)
ST-7-16 / DST-7-16 16 VCT @ 2.25 A 8 V @ 4.5 A 36 6 Pin (ST) / 8 Pin (DST) 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50)
ST-2-20**# / DST-2-20**# 20 VCT @ 0.055 A 10 V @ 0.11 A 1.1 6 Pin (ST) / 8 Pin (DST) 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08)
ST-3-20*# / DST-3-20*# 20 VCT @ 0.12 A 10 V @ 0.24 A 2.4 6 Pin (ST) / 8 Pin (DST) 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11)
ST-4-20*# / DST-4-20*# 20 VCT @ 0.3 A 10 V @ 0.6 A 6 6 Pin (ST) / 8 Pin (DST) 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20)
ST-5-20*# / DST-5-20*# 20 VCT @ 0.6 A 10 V @ 1.2 A 12 6 Pin (ST) / 8 Pin (DST) 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32)
ST-6-20 / DST-6-20 20 VCT @ 1.0 A 10 V @ 2.0 A 20 6 Pin (ST) / 8 Pin (DST) 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36)
ST-7-20 / DST-7-20 20 VCT @ 1.8 A 10 V @ 3.6 A 36 6 Pin (ST) / 8 Pin (DST) 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50)
ST-2-24**# / DST-2-24**# 24 VCT @ 0.045 A 12 V @ 0.09 A 1.1 6 Pin (ST) / 8 Pin (DST) 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08)
ST-3-24*# / DST-3-24*# 24 VCT @ 0.1 A 12 V @ 0.2 A 2.4 6 Pin (ST) / 8 Pin (DST) 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11)
ST-4-24*# / DST-4-24*# 24 VCT @ 0.25 A 12 V @ 0.5 A 6 6 Pin (ST) / 8 Pin (DST) 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20)
ST-5-24*# / DST-5-24*# 24 VCT @ 0.5 A 12 V @ 1.0 A 12 6 Pin (ST) / 8 Pin (DST) 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32)
ST-6-24 / DST-6-24 24 VCT @ 0.8 A 12 V @ 1.6 A 20 6 Pin (ST) / 8 Pin (DST) 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36)
ST-7-24 / DST-7-24 24 VCT @ 1.5 A 12 V @ 3.0 A 36 6 Pin (ST) / 8 Pin (DST) 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50)
ST-2-28 / DST-2-28 28 VCT @ 0.04 A 14 V @ 0.08 A 1.1 6 Pin (ST) / 8 Pin (DST) 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08)
ST-3-28 / DST-3-28 28 VCT @ 0.085 A 14 V @ 0.17 A 2.4 6 Pin (ST) / 8 Pin (DST) 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11)
ST-4-28 / DST-4-28 28 VCT @ 0.2 A 14 V @ 0.4 A 6 6 Pin (ST) / 8 Pin (DST) 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20)
ST-5-28 / DST-5-28 28 VCT @ 0.42 A 14 V @ 0.84 A 12 6 Pin (ST) / 8 Pin (DST) 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32)
ST-6-28 / DST-6-28 28 VCT @ 0.7 A 14 V @ 1.4 A 20 6 Pin (ST) / 8 Pin (DST) 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36)
ST-7-28 / DST-7-28 28 VCT @ 1.3 A 14 V @ 2.6 A 36 6 Pin (ST) / 8 Pin (DST) 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50)
ST-2-36 / DST-2-36 36 VCT @ 0.03 A 18 V @ 0.06 A 1.1 6 Pin (ST) / 8 Pin (DST) 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08)
ST-3-36 / DST-3-36 36 VCT @ 0.065 A 18 V @ 0.13 A 2.4 6 Pin (ST) / 8 Pin (DST) 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11)
ST-4-36 / DST-4-36 36 VCT @ 0.17 A 18 V @ 0.34 A 6 6 Pin (ST) / 8 Pin (DST) 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20)
ST-5-36 / DST-5-36 36 VCT @ 0.35 A 18 V @ 0.7 A 12 6 Pin (ST) / 8 Pin (DST) 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32)
ST-6-36 / DST-6-36 36 VCT @ 0.55 A 18 V @ 1.1 A 20 6 Pin (ST) / 8 Pin (DST) 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36)
ST-7-36 / DST-7-36 36 VCT @ 1.0 A 18 V @ 2.0 A 36 6 Pin (ST) / 8 Pin (DST) 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50)
ST-2-48 / DST-2-48 48 VCT @ 0.023 A 24 V @ 0.046 A 1.1 6 Pin (ST) / 8 Pin (DST) 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08)
ST-3-48 / DST-3-48 48 VCT @ 0.05 A 24 V @ 0.1 A 2.4 6 Pin (ST) / 8 Pin (DST) 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11)
ST-4-48 / DST-4-48 48 VCT @ 0.125 A 24 V @ 0.25 A 6 6 Pin (ST) / 8 Pin (DST) 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20)
ST-5-48 / DST-5-48 48 VCT @ 0.25 A 24 V @ 0.5 A 12 6 Pin (ST) / 8 Pin (DST) 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32)
ST-6-48 / DST-6-48 48 VCT @ 0.4 A 24 V @ 0.8 A 20 6 Pin (ST) / 8 Pin (DST) 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36)
ST-7-48 / DST-7-48 48 VCT @ 0.75 A 24 V @ 1.5 A 36 6 Pin (ST) / 8 Pin (DST) 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50)
ST-2-56 / DST-2-56 56 VCT @ 0.02 A 28 V @ 0.04 A 1.1 6 Pin (ST) / 8 Pin (DST) 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08)
ST-3-56 / DST-3-56 56 VCT @ 0.045 A 28 V @ 0.09 A 2.4 6 Pin (ST) / 8 Pin (DST) 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11)
ST-4-56 / DST-4-56 56 VCT @ 0.11 A 28 V @ 0.22 A 6 6 Pin (ST) / 8 Pin (DST) 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20)
ST-5-56 / DST-5-56 56 VCT @ 0.22 A 28 V @ 0.44 A 12 6 Pin (ST) / 8 Pin (DST) 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32)
ST-6-56 / DST-6-56 56 VCT @ 0.35 A 28 V @ 0.7 A 20 6 Pin (ST) / 8 Pin (DST) 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36)
ST-7-56 / DST-7-56 56 VCT @ 0.65 A 28 V @ 1.3 A 36 6 Pin (ST) / 8 Pin (DST) 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50)
ST-2-120 / DST-2-120 120 VCT @ 0.01 A 60 V @ 0.02 A 1.1 6 Pin (ST) / 8 Pin (DST) 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08)
ST-3-120 / DST-3-120 120 VCT @ 0.02 A 60 V @ 0.04 A 2.4 6 Pin (ST) / 8 Pin (DST) 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11)
ST-4-120 / DST-4-120 120 VCT @ 0.05 A 60 V @ 0.1 A 6 6 Pin (ST) / 8 Pin (DST) 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20)
ST-5-120 / DST-5-120 120 VCT @ 0.1 A 60 V @ 0.2 A 12 6 Pin (ST) / 8 Pin (DST) 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32)
ST-6-120 / DST-6-120 120 VCT @ 0.16 A 60 V @ 0.32 A 20 6 Pin (ST) / 8 Pin (DST) 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36)
ST-7-120 / DST-7-120 120 VCT @ 0.3 A 60 V @ 0.6 A 36 6 Pin (ST) / 8 Pin (DST) 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 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 configurable
  • Electrostatic Shield: Not necessary due to split bobbin construction
  • Mounting Hardware: See chart; optional mounting screw (ST-MS) and nut (ST-MN) available from Signal. Size 7 has 4 mounting holes on 2.18" x 1.75" centers for #6 screws.

Note on Class 2 Marking: Transformers marked with (*), (**), or (#) are Class 2 rated. CSA certified as Inherently Limited (*), CSA certified as Non Inherently Limited (), UL Recognized UL5085-3, Inherently Limited (#).

Recommended Secondary Fuse Values:

Code Fuse Value (A)
(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-ST-4-24_C17617216.pdf

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Distributor/Wholesaler,Agent,Importer

  • Year Established:

    2009

  • Employee Number:

    >300

  • Ecer Certification：

    Verified Supplier

Changsha Purple Horn E-Commerce Co., Ltd. is a professional company focus on integrated circuit ic business. Changsha Purple Horn will also responsible with exporting and logistic business. there is professional factory Changsha Purple Horn which focus on desigining and manufacture.   ... Changsha Purple Horn E-Commerce Co., Ltd. is a professional company focus on integrated circuit ic business. Changsha Purple Horn will also responsible with exporting and logistic business. there is professional factory Changsha Purple Horn which focus on desigining and manufacture.   ...

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Get in touch with us

  • Reach Us
  • Changsha Purple Horn E-Commerce Co., Ltd.
  • 2332 Kaibin Commercial Plaza, No. 419 Shaoshan Middle Road, Shazitang Street, Yuhua District, Changsha City, Hunan Province
  • https://www.ictransformer.com/

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