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China Industrial Grade Specialty Transformers with Dual Cavity Split Bobbin Construction Bel Fuse DST-4-36 for sale

Industrial Grade Specialty Transformers with Dual Cavity Split Bobbin Construction Bel Fuse DST-4-36

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

Bel Fuse Signal ST / DST Series Split/Tran Specialty Purpose & Class 2 Transformers

Product Overview
The Bel Fuse Signal ST and DST series transformers are specialty purpose and Class 2 transformers designed for a wide range of applications. Utilizing a split bobbin construction with dual cavities, these transformers offer superior isolation and low capacitive coupling. The rigid pin construction ensures easier board insertion and enhanced reliability, making them suitable for demanding industrial and electronic environments. They are ideal for applications requiring high isolation and reliable signal conditioning.

Product Attributes

  • Brand: Bel Fuse Signal
  • Series: ST / DST Series Split/Tran
  • Construction: Split Bobbin with Dual Cavity
  • Insulation System: Class F, 155 C
  • Compliance: RoHS Compliant
  • Agency Certifications:
    • UL 1446 Class F insulation systems, File # E66312
    • UL Recognized 506 / UL 5085-1, 2, File # E63829
    • CSA certified to C22.2 #66.1, File # 221070
    • cCSAus certified to C22.2 #66.3 / UL 5085-3, File #221070
    • Class 2 - marked with (*) or (**) or (#)
    • * CSA certified as Inherently Limited
    • ** CSA certified as Non Inherently Limited
    • # UL Recognized UL5085-3, Inherently Limited File # E116583

Technical Specifications

Part Number Secondary RMS Rating VA Rating Size (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 1.37" x 1.12" x 0.97" (34.9 x 28.6 x 24.6 mm) 0.17 (0.08)
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" (34.9 x 28.6 x 30.8 mm) 0.25 (0.11)
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" (41.3 x 33.3 x 33.3 mm) 0.44 (0.20)
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" (48.4 x 40.4 x 36.9 mm) 0.70 (0.32)
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" (57.2 x 47.8 x 36.9 mm) 0.80 (0.36)
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" (66.7 x 55.5 x 40.4 mm) 1.1 (0.50)
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" (34.9 x 28.6 x 24.6 mm) 0.17 (0.08)
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" (34.9 x 28.6 x 30.8 mm) 0.25 (0.11)
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" (41.3 x 33.3 x 33.3 mm) 0.44 (0.20)
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" (48.4 x 40.4 x 36.9 mm) 0.70 (0.32)
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" (57.2 x 47.8 x 36.9 mm) 0.80 (0.36)
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" (66.7 x 55.5 x 40.4 mm) 1.1 (0.50)
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" (34.9 x 28.6 x 24.6 mm) 0.17 (0.08)
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" (34.9 x 28.6 x 30.8 mm) 0.25 (0.11)
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" (41.3 x 33.3 x 33.3 mm) 0.44 (0.20)
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" (48.4 x 40.4 x 36.9 mm) 0.70 (0.32)
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" (57.2 x 47.8 x 36.9 mm) 0.80 (0.36)
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" (66.7 x 55.5 x 40.4 mm) 1.1 (0.50)
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" (34.9 x 28.6 x 24.6 mm) 0.17 (0.08)
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" (34.9 x 28.6 x 30.8 mm) 0.25 (0.11)
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" (41.3 x 33.3 x 33.3 mm) 0.44 (0.20)
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" (48.4 x 40.4 x 36.9 mm) 0.70 (0.32)
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" (57.2 x 47.8 x 36.9 mm) 0.80 (0.36)
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" (66.7 x 55.5 x 40.4 mm) 1.1 (0.50)
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" (34.9 x 28.6 x 24.6 mm) 0.17 (0.08)
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" (34.9 x 28.6 x 30.8 mm) 0.25 (0.11)
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" (41.3 x 33.3 x 33.3 mm) 0.44 (0.20)
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" (48.4 x 40.4 x 36.9 mm) 0.70 (0.32)
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" (57.2 x 47.8 x 36.9 mm) 0.80 (0.36)
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" (66.7 x 55.5 x 40.4 mm) 1.1 (0.50)
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" (34.9 x 28.6 x 24.6 mm) 0.17 (0.08)
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" (34.9 x 28.6 x 30.8 mm) 0.25 (0.11)
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" (41.3 x 33.3 x 33.3 mm) 0.44 (0.20)
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" (48.4 x 40.4 x 36.9 mm) 0.70 (0.32)
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" (57.2 x 47.8 x 36.9 mm) 0.80 (0.36)
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" (66.7 x 55.5 x 40.4 mm) 1.1 (0.50)
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" (34.9 x 28.6 x 24.6 mm) 0.17 (0.08)
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" (34.9 x 28.6 x 30.8 mm) 0.25 (0.11)
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" (41.3 x 33.3 x 33.3 mm) 0.44 (0.20)
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" (48.4 x 40.4 x 36.9 mm) 0.70 (0.32)
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" (57.2 x 47.8 x 36.9 mm) 0.80 (0.36)
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" (66.7 x 55.5 x 40.4 mm) 1.1 (0.50)
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" (34.9 x 28.6 x 24.6 mm) 0.17 (0.08)
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" (34.9 x 28.6 x 30.8 mm) 0.25 (0.11)
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" (41.3 x 33.3 x 33.3 mm) 0.44 (0.20)
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" (48.4 x 40.4 x 36.9 mm) 0.70 (0.32)
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" (57.2 x 47.8 x 36.9 mm) 0.80 (0.36)
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" (66.7 x 55.5 x 40.4 mm) 1.1 (0.50)
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" (34.9 x 28.6 x 24.6 mm) 0.17 (0.08)
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" (34.9 x 28.6 x 30.8 mm) 0.25 (0.11)
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" (41.3 x 33.3 x 33.3 mm) 0.44 (0.20)
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" (48.4 x 40.4 x 36.9 mm) 0.70 (0.32)
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" (57.2 x 47.8 x 36.9 mm) 0.80 (0.36)
ST-7-56 / DST-7-56 56 VCT @ 0.65A / 28 V @ 1.3 A 36 2.62" x 2.18" x 1.59" (66.7 x 55.5 x 40.4 mm) 1.1 (0.50)
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" (34.9 x 28.6 x 24.6 mm) 0.17 (0.08)
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" (34.9 x 28.6 x 30.8 mm) 0.25 (0.11)
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" (41.3 x 33.3 x 33.3 mm) 0.44 (0.20)
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" (48.4 x 40.4 x 36.9 mm) 0.70 (0.32)
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" (57.2 x 47.8 x 36.9 mm) 0.80 (0.36)
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" (66.7 x 55.5 x 40.4 mm) 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 due to split bobbin construction
  • Mounting Hardware: See chart (Optional Mounting Screw & Nut available from Signal, part numbers ST-MS and ST-MN)
  • Size 7 Mounting: 4 mounting holes on 2.18" x 1.75" centers for #6 screws.

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
Contact Person Sellina

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