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China Dual Cavity Split Bobbin Transformer Bel Fuse ST-3-12 with UL Recognized and RoHS Compliant Features for sale

Dual Cavity Split Bobbin Transformer Bel Fuse ST-3-12 with UL Recognized and RoHS Compliant Features

Price Negotiable
Price: Negotiable
MOQ: Negotiable
Delivery Time: Negotiable
Product Description

Product Overview

The Signal ST and DST Series Split/Tran Specialty Purpose & Class 2 Transformers are designed for printed circuit board mounting. These transformers utilize a dual cavity platform that provides superior isolation and low capacitive coupling. The rigid pin construction facilitates easier board insertion and enhances reliability. They are suitable for a wide range of power applications from 1.1 VA to 36 VA, offering both single and dual primary configurations with various secondary voltage and current ratings.

Product Attributes

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

Model VA Rating Primary Voltage Secondary RMS Rating (Series) Secondary RMS Rating (Parallel) Pin Configuration Dimensions (L x W x H) Weight (lbs/kg)
ST-2-10**# / DST-2-10**# 1.1 115 V / 115/230 V 10 VCT @ 0.11 A 5 V @ 0.22 A 6 Pin / 8 Pin 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08)
ST-3-10*# / DST-3-10*# 2.4 115 V / 115/230 V 10 VCT @ 0.25 A 5 V @ 0.5 A 6 Pin / 8 Pin 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11)
ST-4-10*# / DST-4-10*# 6 115 V / 115/230 V 10 VCT @ 0.6 A 5 V @ 1.2 A 6 Pin / 8 Pin 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20)
ST-5-10*# / DST-5-10*# 12 115 V / 115/230 V 10 VCT @ 1.2 A 5 V @ 2.4 A 6 Pin / 8 Pin 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32)
ST-6-10 / DST-6-10 20 115 V / 115/230 V 10 VCT @ 2.0 A 5 V @ 4.0 A 6 Pin / 8 Pin 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36)
ST-7-10 / DST-7-10 36 115 V / 115/230 V 10 VCT @ 3.6 A 5 V @ 7.2 A 6 Pin / 8 Pin 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50)
ST-2-12**# / DST-2-12**# 1.1 115 V / 115/230 V 12.6 VCT @ 0.09 A 6.3 V @ 0.18 A 6 Pin / 8 Pin 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08)
ST-3-12*# / DST-3-12*# 2.4 115 V / 115/230 V 12.6 VCT @ 0.2 A 6.3 V @ 0.4 A 6 Pin / 8 Pin 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11)
ST-4-12*# / DST-4-12*# 6 115 V / 115/230 V 12.6 VCT @ 0.5 A 6.3 V @ 1.0 A 6 Pin / 8 Pin 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20)
ST-5-12*# / DST-5-12*# 12 115 V / 115/230 V 12.6 VCT @ 1.0 A 6.3 V @ 2.0 A 6 Pin / 8 Pin 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32)
ST-6-12 / DST-6-12 20 115 V / 115/230 V 12.6 VCT @ 1.6 A 6.3 V @ 3.2 A 6 Pin / 8 Pin 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36)
ST-7-12 / DST-7-12 36 115 V / 115/230 V 12.6 VCT @ 2.85 A 6.3 V @ 5.7 A 6 Pin / 8 Pin 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50)
ST-2-16**# / DST-2-16**# 1.1 115 V / 115/230 V 16 VCT @ 0.07 A 8 V @ 0.14 A 6 Pin / 8 Pin 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08)
ST-3-16*# / DST-3-16*# 2.4 115 V / 115/230 V 16 VCT @ 0.15 A 8 V @ 0.3 A 6 Pin / 8 Pin 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11)
ST-4-16*# / DST-4-16*# 6 115 V / 115/230 V 16 VCT @ 0.4 A 8 V @ 0.8 A 6 Pin / 8 Pin 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20)
ST-5-16*# / DST-5-16*# 12 115 V / 115/230 V 16 VCT @ 0.8 A 8 V @ 1.6 A 6 Pin / 8 Pin 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32)
ST-6-16 / DST-6-16 20 115 V / 115/230 V 16 VCT @ 1.25 A 8 V @ 2.5 A 6 Pin / 8 Pin 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36)
ST-7-16 / DST-7-16 36 115 V / 115/230 V 16 VCT @ 2.25 A 8 V @ 4.5 A 6 Pin / 8 Pin 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50)
ST-2-20**# / DST-2-20**# 1.1 115 V / 115/230 V 20 VCT @ 0.055 A 10 V @ 0.11 A 6 Pin / 8 Pin 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08)
ST-3-20*# / DST-3-20*# 2.4 115 V / 115/230 V 20 VCT @ 0.12 A 10 V @ 0.24 A 6 Pin / 8 Pin 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11)
ST-4-20*# / DST-4-20*# 6 115 V / 115/230 V 20 VCT @ 0.3 A 10 V @ 0.6 A 6 Pin / 8 Pin 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20)
ST-5-20*# / DST-5-20*# 12 115 V / 115/230 V 20 VCT @ 0.6 A 10 V @ 1.2 A 6 Pin / 8 Pin 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32)
ST-6-20 / DST-6-20 20 115 V / 115/230 V 20 VCT @ 1.0 A 10 V @ 2.0 A 6 Pin / 8 Pin 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36)
ST-7-20 / DST-7-20 36 115 V / 115/230 V 20 VCT @ 1.8 A 10 V @ 3.6 A 6 Pin / 8 Pin 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50)
ST-2-24**# / DST-2-24**# 1.1 115 V / 115/230 V 24 VCT @ 0.045 A 12 V @ 0.09 A 6 Pin / 8 Pin 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08)
ST-3-24*# / DST-3-24*# 2.4 115 V / 115/230 V 24 VCT @ 0.1 A 12 V @ 0.2 A 6 Pin / 8 Pin 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11)
ST-4-24*# / DST-4-24*# 6 115 V / 115/230 V 24 VCT @ 0.25 A 12 V @ 0.5 A 6 Pin / 8 Pin 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20)
ST-5-24*# / DST-5-24*# 12 115 V / 115/230 V 24 VCT @ 0.5 A 12 V @ 1.0 A 6 Pin / 8 Pin 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32)
ST-6-24 / DST-6-24 20 115 V / 115/230 V 24 VCT @ 0.8 A 12 V @ 1.6 A 6 Pin / 8 Pin 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36)
ST-7-24 / DST-7-24 36 115 V / 115/230 V 24 VCT @ 1.5 A 12 V @ 3.0 A 6 Pin / 8 Pin 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50)
ST-2-28 / DST-2-28 1.1 115 V / 115/230 V 28 VCT @ 0.04 A 14 V @ 0.08 A 6 Pin / 8 Pin 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08)
ST-3-28 / DST-3-28 2.4 115 V / 115/230 V 28 VCT @ 0.085 A 14 V @ 0.17 A 6 Pin / 8 Pin 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11)
ST-4-28 / DST-4-28 6 115 V / 115/230 V 28 VCT @ 0.2 A 14 V @ 0.4 A 6 Pin / 8 Pin 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20)
ST-5-28 / DST-5-28 12 115 V / 115/230 V 28 VCT @ 0.42 A 14 V @ 0.84 A 6 Pin / 8 Pin 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32)
ST-6-28 / DST-6-28 20 115 V / 115/230 V 28 VCT @ 0.7 A 14 V @ 1.4 A 6 Pin / 8 Pin 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36)
ST-7-28 / DST-7-28 36 115 V / 115/230 V 28 VCT @ 1.3 A 14 V @ 2.6 A 6 Pin / 8 Pin 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50)
ST-2-36 / DST-2-36 1.1 115 V / 115/230 V 36 VCT @ 0.03 A 18 V @ 0.06 A 6 Pin / 8 Pin 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08)
ST-3-36 / DST-3-36 2.4 115 V / 115/230 V 36 VCT @ 0.065 A 18 V @ 0.13 A 6 Pin / 8 Pin 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11)
ST-4-36 / DST-4-36 6 115 V / 115/230 V 36 VCT @ 0.17 A 18 V @ 0.34 A 6 Pin / 8 Pin 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20)
ST-5-36 / DST-5-36 12 115 V / 115/230 V 36 VCT @ 0.35 A 18 V @ 0.7 A 6 Pin / 8 Pin 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32)
ST-6-36 / DST-6-36 20 115 V / 115/230 V 36 VCT @ 0.55 A 18 V @ 1.1 A 6 Pin / 8 Pin 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36)
ST-7-36 / DST-7-36 36 115 V / 115/230 V 36 VCT @ 1.0 A 18 V @ 2.0 A 6 Pin / 8 Pin 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50)
ST-2-48 / DST-2-48 1.1 115 V / 115/230 V 48 VCT @ 0.023 A 24 V @ 0.046 A 6 Pin / 8 Pin 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08)
ST-3-48 / DST-3-48 2.4 115 V / 115/230 V 48 VCT @ 0.05 A 24 V @ 0.1 A 6 Pin / 8 Pin 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11)
ST-4-48 / DST-4-48 6 115 V / 115/230 V 48 VCT @ 0.125 A 24 V @ 0.25 A 6 Pin / 8 Pin 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20)
ST-5-48 / DST-5-48 12 115 V / 115/230 V 48 VCT @ 0.25 A 24 V @ 0.5 A 6 Pin / 8 Pin 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32)
ST-6-48 / DST-6-48 20 115 V / 115/230 V 48 VCT @ 0.4 A 24 V @ 0.8 A 6 Pin / 8 Pin 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36)
ST-7-48 / DST-7-48 36 115 V / 115/230 V 48 VCT @ 0.75 A 24 V @ 1.5 A 6 Pin / 8 Pin 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50)
ST-2-56 / DST-2-56 1.1 115 V / 115/230 V 56 VCT @ 0.02 A 28 V @ 0.04 A 6 Pin / 8 Pin 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08)
ST-3-56 / DST-3-56 2.4 115 V / 115/230 V 56 VCT @ 0.045 A 28 V @ 0.09 A 6 Pin / 8 Pin 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11)
ST-4-56 / DST-4-56 6 115 V / 115/230 V 56 VCT @ 0.11 A 28 V @ 0.22 A 6 Pin / 8 Pin 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20)
ST-5-56 / DST-5-56 12 115 V / 115/230 V 56 VCT @ 0.22 A 28 V @ 0.44 A 6 Pin / 8 Pin 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32)
ST-6-56 / DST-6-56 20 115 V / 115/230 V 56 VCT @ 0.35 A 28 V @ 0.7 A 6 Pin / 8 Pin 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36)
ST-7-56 / DST-7-56 36 115 V / 115/230 V 56 VCT @ 0.65 A 28 V @ 1.3 A 6 Pin / 8 Pin 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 (0.50)
ST-2-120 / DST-2-120 1.1 115 V / 115/230 V 120 VCT @ 0.01 A 60 V @ 0.02 A 6 Pin / 8 Pin 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 (0.08)
ST-3-120 / DST-3-120 2.4 115 V / 115/230 V 120 VCT @ 0.02 A 60 V @ 0.04 A 6 Pin / 8 Pin 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 (0.11)
ST-4-120 / DST-4-120 6 115 V / 115/230 V 120 VCT @ 0.05 A 60 V @ 0.1 A 6 Pin / 8 Pin 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 (0.20)
ST-5-120 / DST-5-120 12 115 V / 115/230 V 120 VCT @ 0.1 A 60 V @ 0.2 A 6 Pin / 8 Pin 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 (0.32)
ST-6-120 / DST-6-120 20 115 V / 115/230 V 120 VCT @ 0.16 A 60 V @ 0.32 A 6 Pin / 8 Pin 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 (0.36)
ST-7-120 / DST-7-120 36 115 V / 115/230 V 120 VCT @ 0.3 A 60 V @ 0.6 A 6 Pin / 8 Pin 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; Electrostatic Shield: Not necessary, split bobbin construction; Insulation System: Class F, 155 C.
Mounting Hardware: See chart. Size 7 has 4 mounting holes on 2.18 x 1.75 centers for #6 screws. Optional Mounting Screw & Nut available from Signal (part numbers ST-MS and ST-MN).
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.

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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
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