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ST 2 36 Signal Transformer by Bel Fuse Specialty Purpose Class 2 Transformer with Rigid Pin Construction

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. 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, 155 C insulation system.

Product Attributes

  • Brand: Signal Transformer (Bel Fuse)
  • Series: ST / DST Series Split/Tran
  • Type: Specialty Purpose & Class 2 Transformers, Split Bobbin
  • Construction: Dual cavity platform, Split bobbin
  • Pin Construction: Rigid
  • 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, UL Recognized UL5085-3 (Inherently Limited)
  • Compliance: RoHS Compliant
  • Customization: Custom versions available upon request.

Technical Specifications

Model VA Rating Secondary RMS Rating (Series) Secondary RMS Rating (Parallel) Primary Voltage Frequency Dielectric Strength (Hipot) Mounting Type Dimensions (L x W x H) Weight
ST-2-10 / DST-2-10 1.1 10 VCT @ 0.11 A 5 V @ 0.22 A 115 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 lbs (0.08 kg)
ST-3-10 / DST-3-10 2.4 10 VCT @ 0.25 A 5 V @ 0.5 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 lbs (0.11 kg)
ST-4-10 / DST-4-10 6 10 VCT @ 0.6 A 5 V @ 1.2 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 lbs (0.20 kg)
ST-5-10 / DST-5-10 12 10 VCT @ 1.2 A 5 V @ 2.4 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 lbs (0.32 kg)
ST-6-10 / DST-6-10 20 10 VCT @ 2.0 A 5 V @ 4.0 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 lbs (0.36 kg)
ST-7-10 / DST-7-10 36 10 VCT @ 3.6 A 5 V @ 7.2 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 lbs (0.50 kg)
ST-2-12 / DST-2-12 1.1 12.6 VCT @ 0.09 A 6.3 V @ 0.18 A 115 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 lbs (0.08 kg)
ST-3-12 / DST-3-12 2.4 12.6 VCT @ 0.2 A 6.3 V @ 0.4 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 lbs (0.11 kg)
ST-4-12 / DST-4-12 6 12.6 VCT @ 0.5 A 6.3 V @ 1.0 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 lbs (0.20 kg)
ST-5-12 / DST-5-12 12 12.6 VCT @ 1.0 A 6.3 V @ 2.0 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 lbs (0.32 kg)
ST-6-12 / DST-6-12 20 12.6 VCT @ 1.6 A 6.3 V @ 3.2 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 lbs (0.36 kg)
ST-7-12 / DST-7-12 36 12.6 VCT @ 2.85 A 6.3 V @ 5.7 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 lbs (0.50 kg)
ST-2-16 / DST-2-16 1.1 16 VCT @ 0.07 A 8 V @ 0.14 A 115 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 lbs (0.08 kg)
ST-3-16 / DST-3-16 2.4 16 VCT @ 0.15 A 8 V @ 0.3 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 lbs (0.11 kg)
ST-4-16 / DST-4-16 6 16 VCT @ 0.4 A 8 V @ 0.8 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 lbs (0.20 kg)
ST-5-16 / DST-5-16 12 16 VCT @ 0.8 A 8 V @ 1.6 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 lbs (0.32 kg)
ST-6-16 / DST-6-16 20 16 VCT @ 1.25 A 8 V @ 2.5 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 lbs (0.36 kg)
ST-7-16 / DST-7-16 36 16 VCT @ 2.25 A 8 V @ 4.5 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 lbs (0.50 kg)
ST-2-20 / DST-2-20 1.1 20 VCT @ 0.055 A 10 V @ 0.11 A 115 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 lbs (0.08 kg)
ST-3-20 / DST-3-20 2.4 20 VCT @ 0.12 A 10 V @ 0.24 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 lbs (0.11 kg)
ST-4-20 / DST-4-20 6 20 VCT @ 0.3 A 10 V @ 0.6 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 lbs (0.20 kg)
ST-5-20 / DST-5-20 12 20 VCT @ 0.6 A 10 V @ 1.2 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 lbs (0.32 kg)
ST-6-20 / DST-6-20 20 20 VCT @ 1.0 A 10 V @ 2.0 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 lbs (0.36 kg)
ST-7-20 / DST-7-20 36 20 VCT @ 1.8 A 10 V @ 3.6 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 lbs (0.50 kg)
ST-2-24 / DST-2-24 1.1 24 VCT @ 0.045 A 12 V @ 0.09 A 115 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 lbs (0.08 kg)
ST-3-24 / DST-3-24 2.4 24 VCT @ 0.1 A 12 V @ 0.2 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 lbs (0.11 kg)
ST-4-24 / DST-4-24 6 24 VCT @ 0.25 A 12 V @ 0.5 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 lbs (0.20 kg)
ST-5-24 / DST-5-24 12 24 VCT @ 0.5 A 12 V @ 1.0 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 lbs (0.32 kg)
ST-6-24 / DST-6-24 20 24 VCT @ 0.8 A 12 V @ 1.6 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 lbs (0.36 kg)
ST-7-24 / DST-7-24 36 24 VCT @ 1.5 A 12 V @ 3.0 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 lbs (0.50 kg)
ST-2-28 / DST-2-28 1.1 28 VCT @ 0.04 A 14 V @ 0.08 A 115 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 lbs (0.08 kg)
ST-3-28 / DST-3-28 2.4 28 VCT @ 0.085 A 14 V @ 0.17 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 lbs (0.11 kg)
ST-4-28 / DST-4-28 6 28 VCT @ 0.2 A 14 V @ 0.4 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 lbs (0.20 kg)
ST-5-28 / DST-5-28 12 28 VCT @ 0.42 A 14 V @ 0.84 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 lbs (0.32 kg)
ST-6-28 / DST-6-28 20 28 VCT @ 0.7 A 14 V @ 1.4 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 lbs (0.36 kg)
ST-7-28 / DST-7-28 36 28 VCT @ 1.3 A 14 V @ 2.6 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 lbs (0.50 kg)
ST-2-36 / DST-2-36 1.1 36 VCT @ 0.03 A 18 V @ 0.06 A 115 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 lbs (0.08 kg)
ST-3-36 / DST-3-36 2.4 36 VCT @ 0.065 A 18 V @ 0.13 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 lbs (0.11 kg)
ST-4-36 / DST-4-36 6 36 VCT @ 0.17 A 18 V @ 0.34 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 lbs (0.20 kg)
ST-5-36 / DST-5-36 12 36 VCT @ 0.35 A 18 V @ 0.7 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 lbs (0.32 kg)
ST-6-36 / DST-6-36 20 36 VCT @ 0.55 A 18 V @ 1.1 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 lbs (0.36 kg)
ST-7-36 / DST-7-36 36 36 VCT @ 1.0 A 18 V @ 2.0 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 lbs (0.50 kg)
ST-2-48 / DST-2-48 1.1 48 VCT @ 0.023 A 24 V @ 0.046 A 115 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 lbs (0.08 kg)
ST-3-48 / DST-3-48 2.4 48 VCT @ 0.05 A 24 V @ 0.1 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 lbs (0.11 kg)
ST-4-48 / DST-4-48 6 48 VCT @ 0.125 A 24 V @ 0.25 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 lbs (0.20 kg)
ST-5-48 / DST-5-48 12 48 VCT @ 0.25 A 24 V @ 0.5 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 lbs (0.32 kg)
ST-6-48 / DST-6-48 20 48 VCT @ 0.4 A 24 V @ 0.8 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 lbs (0.36 kg)
ST-7-48 / DST-7-48 36 48 VCT @ 0.75 A 24 V @ 1.5 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 lbs (0.50 kg)
ST-2-56 / DST-2-56 1.1 56 VCT @ 0.02 A 28 V @ 0.04 A 115 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 lbs (0.08 kg)
ST-3-56 / DST-3-56 2.4 56 VCT @ 0.045 A 28 V @ 0.09 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 lbs (0.11 kg)
ST-4-56 / DST-4-56 6 56 VCT @ 0.11 A 28 V @ 0.22 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 lbs (0.20 kg)
ST-5-56 / DST-5-56 12 56 VCT @ 0.22 A 28 V @ 0.44 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 lbs (0.32 kg)
ST-6-56 / DST-6-56 20 56 VCT @ 0.35 A 28 V @ 0.7 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 lbs (0.36 kg)
ST-7-56 / DST-7-56 36 56 VCT @ 0.65 A 28 V @ 1.3 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 lbs (0.50 kg)
ST-2-120 / DST-2-120 1.1 120 VCT @ 0.01 A 60 V @ 0.02 A 115 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.37" (34.9mm) x 1.12" (28.6mm) x 0.97" (24.6mm) 0.17 lbs (0.08 kg)
ST-3-120 / DST-3-120 2.4 120 VCT @ 0.02 A 60 V @ 0.04 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.37" (34.9mm) x 1.12" (28.6mm) x 1.21" (30.8mm) 0.25 lbs (0.11 kg)
ST-4-120 / DST-4-120 6 120 VCT @ 0.05 A 60 V @ 0.1 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.62" (41.3mm) x 1.31" (33.3mm) x 1.31" (33.3mm) 0.44 lbs (0.20 kg)
ST-5-120 / DST-5-120 12 120 VCT @ 0.1 A 60 V @ 0.2 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 1.91" (48.4mm) x 1.59" (40.4mm) x 1.45" (36.9mm) 0.70 lbs (0.32 kg)
ST-6-120 / DST-6-120 20 120 VCT @ 0.16 A 60 V @ 0.32 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 2.25" (57.2mm) x 1.88" (47.8mm) x 1.45" (36.9mm) 0.80 lbs (0.36 kg)
ST-7-120 / DST-7-120 36 120 VCT @ 0.3 A 60 V @ 0.6 A 115 V / 115/230 V 50/60 Hz 2500 Vrms Printed Circuit Mount 2.62" (66.7mm) x 2.18" (55.5mm) x 1.59" (40.4mm) 1.1 lbs (0.50 kg)

Note: Recommended secondary fuse values are indicated by numbers in parentheses in the Part Number Selection table and correspond to the following amperage ratings: (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. Mounting screws (ST-MS) and nuts (ST-MN) are 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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