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China Split Bobbin Dual Cavity Transformer Bel Fuse DST-7-20 with rigid pin configuration and RoHS compliance for sale

Split Bobbin Dual Cavity Transformer Bel Fuse DST-7-20 with rigid pin configuration and RoHS compliance

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 with a dual cavity platform, offering superior isolation and low capacitive coupling. 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 built with a Class F insulation system (155C).

Product Attributes

  • Brand: Signal Transformer
  • Series: ST / DST Series Split/Tran
  • Construction: Split Bobbin with Dual Cavity Platform
  • Insulation System: Class F (155C)
  • 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 marked with (*), (**), or (#)
  • Compliance: RoHS Compliant
  • Customization: Custom versions available upon request

Technical Specifications

Part Number Secondary RMS Rating (Series) Secondary RMS Rating (Parallel) Power (VA) Primary Voltage Pin Configuration Dielectric Strength (Vrms Hipot) Insulation System Weight (lbs/kg)
ST-2-10**# / DST-2-10**# 10 VCT @ 0.11 A 5 V @ 0.22 A 1.1 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.17 (0.08)
ST-3-10*# / DST-3-10*# 10 VCT @ 0.25 A 5 V @ 0.5 A 2.4 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.25 (0.11)
ST-4-10*# / DST-4-10*# 10 VCT @ 0.6 A 5 V @ 1.2 A 6 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.44 (0.20)
ST-5-10*# / DST-5-10*# 10 VCT @ 1.2 A 5 V @ 2.4 A 12 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.70 (0.32)
ST-6-10 / DST-6-10 10 VCT @ 2.0 A 5 V @ 4.0 A 20 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.80 (0.36)
ST-7-10 / DST-7-10 10 VCT @ 3.6 A 5 V @ 7.2 A 36 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 1.1 (0.50)
ST-2-12**# / DST-2-12**# 12.6 VCT @ 0.09 A 6.3 V @ 0.18 A 1.1 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.17 (0.08)
ST-3-12*# / DST-3-12*# 12.6 VCT @ 0.2 A 6.3 V @ 0.4 A 2.4 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.25 (0.11)
ST-4-12*# / DST-4-12*# 12.6 VCT @ 0.5 A 6.3 V @ 1.0 A 6 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.44 (0.20)
ST-5-12*# / DST-5-12*# 12.6 VCT @ 1.0 A 6.3 V @ 2.0 A 12 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.70 (0.32)
ST-6-12 / DST-6-12 12.6 VCT @ 1.6 A 6.3 V @ 3.2 A 20 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.80 (0.36)
ST-7-12 / DST-7-12 12.6 VCT @ 2.85 A 6.3 V @ 5.7 A 36 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 1.1 (0.50)
ST-2-16**# / DST-2-16**# 16 VCT @ 0.07 A 8 V @ 0.14 A 1.1 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.17 (0.08)
ST-3-16*# / DST-3-16*# 16 VCT @ 0.15 A 8 V @ 0.3 A 2.4 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.25 (0.11)
ST-4-16*# / DST-4-16*# 16 VCT @ 0.4 A 8 V @ 0.8 A 6 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.44 (0.20)
ST-5-16*# / DST-5-16*# 16 VCT @ 0.8 A 8 V @ 1.6 A 12 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.70 (0.32)
ST-6-16 / DST-6-16 16 VCT @ 1.25 A 8 V @ 2.5 A 20 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.80 (0.36)
ST-7-16 / DST-7-16 16 VCT @ 2.25 A 8 V @ 4.5 A 36 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 1.1 (0.50)
ST-2-20**# / DST-2-20**# 20 VCT @ 0.055 A 10 V @ 0.11 A 1.1 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.17 (0.08)
ST-3-20*# / DST-3-20*# 20 VCT @ 0.12 A 10 V @ 0.24 A 2.4 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.25 (0.11)
ST-4-20*# / DST-4-20*# 20 VCT @ 0.3 A 10 V @ 0.6 A 6 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.44 (0.20)
ST-5-20*# / DST-5-20*# 20 VCT @ 0.6 A 10 V @ 1.2 A 12 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.70 (0.32)
ST-6-20 / DST-6-20 20 VCT @ 1.0 A 10 V @ 2.0 A 20 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.80 (0.36)
ST-7-20 / DST-7-20 20 VCT @ 1.8 A 10 V @ 3.6 A 36 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 1.1 (0.50)
ST-2-24**# / DST-2-24**# 24 VCT @ 0.045 A 12 V @ 0.09 A 1.1 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.17 (0.08)
ST-3-24*# / DST-3-24*# 24 VCT @ 0.1 A 12 V @ 0.2 A 2.4 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.25 (0.11)
ST-4-24*# / DST-4-24*# 24 VCT @ 0.25 A 12 V @ 0.5 A 6 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.44 (0.20)
ST-5-24*# / DST-5-24*# 24 VCT @ 0.5 A 12 V @ 1.0 A 12 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.70 (0.32)
ST-6-24 / DST-6-24 24 VCT @ 0.8 A 12 V @ 1.6 A 20 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.80 (0.36)
ST-7-24 / DST-7-24 24 VCT @ 1.5 A 12 V @ 3.0 A 36 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 1.1 (0.50)
ST-2-28 / DST-2-28 28 VCT @ 0.04 A 14 V @ 0.08 A 1.1 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.17 (0.08)
ST-3-28 / DST-3-28 28 VCT @ 0.085 A 14 V @ 0.17 A 2.4 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.25 (0.11)
ST-4-28 / DST-4-28 28 VCT @ 0.2 A 14 V @ 0.4 A 6 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.44 (0.20)
ST-5-28 / DST-5-28 28 VCT @ 0.42 A 14 V @ 0.84 A 12 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.70 (0.32)
ST-6-28 / DST-6-28 28 VCT @ 0.7 A 14 V @ 1.4 A 20 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.80 (0.36)
ST-7-28 / DST-7-28 28 VCT @ 1.3 A 14 V @ 2.6 A 36 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 1.1 (0.50)
ST-2-36 / DST-2-36 36 VCT @ 0.03 A 18 V @ 0.06 A 1.1 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.17 (0.08)
ST-3-36 / DST-3-36 36 VCT @ 0.065 A 18 V @ 0.13 A 2.4 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.25 (0.11)
ST-4-36 / DST-4-36 36 VCT @ 0.17 A 18 V @ 0.34 A 6 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.44 (0.20)
ST-5-36 / DST-5-36 36 VCT @ 0.35 A 18 V @ 0.7 A 12 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.70 (0.32)
ST-6-36 / DST-6-36 36 VCT @ 0.55 A 18 V @ 1.1 A 20 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.80 (0.36)
ST-7-36 / DST-7-36 36 VCT @ 1.0 A 18 V @ 2.0 A 36 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 1.1 (0.50)
ST-2-48 / DST-2-48 48 VCT @ 0.023 A 24 V @ 0.046 A 1.1 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.17 (0.08)
ST-3-48 / DST-3-48 48 VCT @ 0.05 A 24 V @ 0.1 A 2.4 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.25 (0.11)
ST-4-48 / DST-4-48 48 VCT @ 0.125 A 24 V @ 0.25 A 6 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.44 (0.20)
ST-5-48 / DST-5-48 48 VCT @ 0.25 A 24 V @ 0.5 A 12 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.70 (0.32)
ST-6-48 / DST-6-48 48 VCT @ 0.4 A 24 V @ 0.8 A 20 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.80 (0.36)
ST-7-48 / DST-7-48 48 VCT @ 0.75 A 24 V @ 1.5 A 36 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 1.1 (0.50)
ST-2-56 / DST-2-56 56 VCT @ 0.02 A 28 V @ 0.04 A 1.1 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.17 (0.08)
ST-3-56 / DST-3-56 56 VCT @ 0.045 A 28 V @ 0.09 A 2.4 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.25 (0.11)
ST-4-56 / DST-4-56 56 VCT @ 0.11 A 28 V @ 0.22 A 6 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.44 (0.20)
ST-5-56 / DST-5-56 56 VCT @ 0.22 A 28 V @ 0.44 A 12 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.70 (0.32)
ST-6-56 / DST-6-56 56 VCT @ 0.35 A 28 V @ 0.7 A 20 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.80 (0.36)
ST-7-56 / DST-7-56 56 VCT @ 0.65 A 28 V @ 1.3 A 36 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 1.1 (0.50)
ST-2-120 / DST-2-120 120 VCT @ 0.01 A 60 V @ 0.02 A 1.1 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.17 (0.08)
ST-3-120 / DST-3-120 120 VCT @ 0.02 A 60 V @ 0.04 A 2.4 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.25 (0.11)
ST-4-120 / DST-4-120 120 VCT @ 0.05 A 60 V @ 0.1 A 6 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.44 (0.20)
ST-5-120 / DST-5-120 120 VCT @ 0.1 A 60 V @ 0.2 A 12 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.70 (0.32)
ST-6-120 / DST-6-120 120 VCT @ 0.16 A 60 V @ 0.32 A 20 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 0.80 (0.36)
ST-7-120 / DST-7-120 120 VCT @ 0.3 A 60 V @ 0.6 A 36 115 V 6 Pin (ST) / 8 Pin (DST) 2500 Class F (155C) 1.1 (0.50)
General Specifications: Primaries: Single or dual primaries, 115 V or 115/230 V, 50/60 Hz. Electrostatic Shield: Not necessary due to split bobbin construction. Mounting Hardware: See chart.
Mechanical Specifications (Size 4): L: 1.62" (41.3mm), W: 1.31" (33.3mm), H: 1.31" (33.3mm), ML: 1.06" (26.9mm), A: 0.25" (6.4mm), B: 0.35" (8.9mm), C: 1.25" (31.8mm). Optional Mounting Screw & Nut: Nylon 4-40 x 1.37" (4-40 x 34.9mm).
Mechanical Specifications (Size 5): L: 1.91" (48.4mm), W: 1.59" (40.4mm), H: 1.45" (36.9mm), ML: 1.25" (31.8mm), A: 0.30" (7.6mm), B: 0.40" (10.2mm), C: 1.41" (35.8mm). Optional Mounting Screw & Nut: Nylon 4-40 x 1.37" (4-40 x 34.9mm).
Mechanical Specifications (Size 6): L: 2.25" (57.2mm), W: 1.88" (47.8mm), H: 1.45" (36.9mm), ML: 1.50" (38.1mm), A: 0.30" (7.6mm), B: 0.40" (10.2mm), C: 1.60" (40.6mm). Optional Mounting Screw & Nut: Nylon 4-40 x 1.37" (4-40 x 34.9mm).
Mechanical Specifications (Size 7): L: 2.62" (66.7mm), W: 2.18" (55.5mm), H: 1.59" (40.4mm), A: 0.40" (10.2mm), B: 0.40" (10.2mm), C: 1.85" (47.0mm). Mounting: 4 mounting holes on 2.18" x 1.75" centers for #6 screws. Available mounting hardware: ST-MS (screw) and ST-MN (nut).

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.

Note: Specifications are subject to change without notice. See Accessories datasheet for mounting screw information.


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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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