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China Split bobbin transformer Bel Fuse ST-4-120 with rigid pin construction and Class F insulation system for sale

Split bobbin transformer Bel Fuse ST-4-120 with rigid pin construction and Class F insulation system

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

Signal ST / DST Series Split Bobbin Transformers

Product Overview
The Signal ST and DST Series Split/Tran Specialty Purpose & Class 2 Transformers are designed for reliable signal isolation and power applications. Utilizing a dual cavity platform, these split bobbin transformers offer superior isolation and low capacitive coupling, making them ideal for various electronic circuits. The rigid pin construction ensures easier board insertion and enhanced reliability. These transformers are suitable for applications requiring Class 2 compliance and meet stringent agency certifications.

Product Attributes

  • Brand: Signal Transformer (belfuse.com/signal)
  • Series: ST / DST Split/Tran
  • Construction: Split Bobbin with Dual Cavity
  • Insulation System: Class F (155 C)
  • RoHS Compliant: Yes
  • 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 (#)
    • CSA certified as Inherently Limited (*)
    • CSA certified as Non Inherently Limited (**) - see recommended fuse rating table
    • UL Recognized UL5085-3, Inherently Limited (#) File # E116583

Technical Specifications

Part Number Secondary RMS Rating VA Rating Primary Voltage Frequency Pin Configuration Dielectric Strength Dimensions (L x W x H) Weight
ST-2-10**# / DST-2-10**# 10 VCT @ 0.11 A / 5 V @ 0.22 A ~2.2 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.37 x 1.12 x 0.97 in (34.9 x 28.6 x 24.6 mm) 0.17 lbs (0.08 kg)
ST-3-10*# / DST-3-10*# 10 VCT @ 0.25 A (5) / 5 V @ 0.5 A (9) ~5 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.37 x 1.12 x 1.21 in (34.9 x 28.6 x 30.8 mm) 0.25 lbs (0.11 kg)
ST-4-10*# / DST-4-10*# 10 VCT @ 0.6 A (9) / 5 V @ 1.2 A (11) ~12 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.62 x 1.31 x 1.31 in (41.3 x 33.3 x 33.3 mm) 0.44 lbs (0.20 kg)
ST-5-10*# / DST-5-10*# 10 VCT @ 1.2 A (11) / 5 V @ 2.4 A (13) ~24 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.91 x 1.59 x 1.45 in (48.4 x 40.4 x 36.9 mm) 0.70 lbs (0.32 kg)
ST-6-10 / DST-6-10 10 VCT @ 2.0 A / 5 V @ 4.0 A ~40 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 2.25 x 1.88 x 1.45 in (57.2 x 47.8 x 36.9 mm) 0.80 lbs (0.36 kg)
ST-7-10 / DST-7-10 10 VCT @ 3.6 A / 5 V @ 7.2 A ~72 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 2.62 x 2.18 x 1.59 in (66.7 x 55.5 x 40.4 mm) 1.1 lbs (0.50 kg)
ST-2-12**# / DST-2-12**# 12.6 VCT @ 0.09 A / 6.3 V @ 0.18 A ~2.2 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.37 x 1.12 x 0.97 in (34.9 x 28.6 x 24.6 mm) 0.17 lbs (0.08 kg)
ST-3-12*# / DST-3-12*# 12.6 VCT @ 0.2 A (4) / 6.3 V @ 0.4 A (8) ~5 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.37 x 1.12 x 1.21 in (34.9 x 28.6 x 30.8 mm) 0.25 lbs (0.11 kg)
ST-4-12*# / DST-4-12*# 12.6 VCT @ 0.5 A (9) / 6.3 V @ 1.0 A (11) ~12 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.62 x 1.31 x 1.31 in (41.3 x 33.3 x 33.3 mm) 0.44 lbs (0.20 kg)
ST-5-12*# / DST-5-12*# 12.6 VCT @ 1.0 A (11) / 6.3 V @ 2.0 A (13) ~24 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.91 x 1.59 x 1.45 in (48.4 x 40.4 x 36.9 mm) 0.70 lbs (0.32 kg)
ST-6-12 / DST-6-12 12.6 VCT @ 1.6 A / 6.3 V @ 3.2 A ~40 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 2.25 x 1.88 x 1.45 in (57.2 x 47.8 x 36.9 mm) 0.80 lbs (0.36 kg)
ST-7-12 / DST-7-12 12.6 VCT @ 2.85 A / 6.3 V @ 5.7 A ~72 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 2.62 x 2.18 x 1.59 in (66.7 x 55.5 x 40.4 mm) 1.1 lbs (0.50 kg)
ST-2-16**# / DST-2-16**# 16 VCT @ 0.07 A / 8 V @ 0.14 A ~2.2 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.37 x 1.12 x 0.97 in (34.9 x 28.6 x 24.6 mm) 0.17 lbs (0.08 kg)
ST-3-16*# / DST-3-16*# 16 VCT @ 0.15 A (3) / 8 V @ 0.3 A (6) ~5 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.37 x 1.12 x 1.21 in (34.9 x 28.6 x 30.8 mm) 0.25 lbs (0.11 kg)
ST-4-16*# / DST-4-16*# 16 VCT @ 0.4 A (7) / 8 V @ 0.8 A (10) ~12 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.62 x 1.31 x 1.31 in (41.3 x 33.3 x 33.3 mm) 0.44 lbs (0.20 kg)
ST-5-16*# / DST-5-16*# 16 VCT @ 0.8 A (10) / 8 V @ 1.6 A (12) ~24 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.91 x 1.59 x 1.45 in (48.4 x 40.4 x 36.9 mm) 0.70 lbs (0.32 kg)
ST-6-16 / DST-6-16 16 VCT @ 1.25 A / 8 V @ 2.5 A ~40 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 2.25 x 1.88 x 1.45 in (57.2 x 47.8 x 36.9 mm) 0.80 lbs (0.36 kg)
ST-7-16 / DST-7-16 16 VCT @ 2.25 A / 8 V @ 4.5 A ~72 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 2.62 x 2.18 x 1.59 in (66.7 x 55.5 x 40.4 mm) 1.1 lbs (0.50 kg)
ST-2-20**# / DST-2-20**# 20 VCT @ 0.055 A / 10 V @ 0.11 A ~2.2 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.37 x 1.12 x 0.97 in (34.9 x 28.6 x 24.6 mm) 0.17 lbs (0.08 kg)
ST-3-20*# / DST-3-20*# 20 VCT @ 0.12 A (2) / 10 V @ 0.24 A (5) ~5 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.37 x 1.12 x 1.21 in (34.9 x 28.6 x 30.8 mm) 0.25 lbs (0.11 kg)
ST-4-20*# / DST-4-20*# 20 VCT @ 0.3 A (6) / 10 V @ 0.6 A (9) ~12 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.62 x 1.31 x 1.31 in (41.3 x 33.3 x 33.3 mm) 0.44 lbs (0.20 kg)
ST-5-20*# / DST-5-20*# 20 VCT @ 0.6 A (9) / 10 V @ 1.2 A (11) ~24 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.91 x 1.59 x 1.45 in (48.4 x 40.4 x 36.9 mm) 0.70 lbs (0.32 kg)
ST-6-20 / DST-6-20 20 VCT @ 1.0 A / 10 V @ 2.0 A ~40 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 2.25 x 1.88 x 1.45 in (57.2 x 47.8 x 36.9 mm) 0.80 lbs (0.36 kg)
ST-7-20 / DST-7-20 20 VCT @ 1.8 A / 10 V @ 3.6 A ~72 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 2.62 x 2.18 x 1.59 in (66.7 x 55.5 x 40.4 mm) 1.1 lbs (0.50 kg)
ST-2-24**# / DST-2-24**# 24 VCT @ 0.045 A / 12 V @ 0.09 A ~2.2 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.37 x 1.12 x 0.97 in (34.9 x 28.6 x 24.6 mm) 0.17 lbs (0.08 kg)
ST-3-24*# / DST-3-24*# 24 VCT @ 0.1 A (1) / 12 V @ 0.2 A (4) ~5 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.37 x 1.12 x 1.21 in (34.9 x 28.6 x 30.8 mm) 0.25 lbs (0.11 kg)
ST-4-24*# / DST-4-24*# 24 VCT @ 0.25 A (5) / 12 V @ 0.5 A (9) ~12 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.62 x 1.31 x 1.31 in (41.3 x 33.3 x 33.3 mm) 0.44 lbs (0.20 kg)
ST-5-24*# / DST-5-24*# 24 VCT @ 0.5 A (9) / 12 V @ 1.0 A (11) ~24 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.91 x 1.59 x 1.45 in (48.4 x 40.4 x 36.9 mm) 0.70 lbs (0.32 kg)
ST-6-24 / DST-6-24 24 VCT @ 0.8 A / 12 V @ 1.6 A ~40 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 2.25 x 1.88 x 1.45 in (57.2 x 47.8 x 36.9 mm) 0.80 lbs (0.36 kg)
ST-7-24 / DST-7-24 24 VCT @ 1.5 A / 12 V @ 3.0 A ~72 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 2.62 x 2.18 x 1.59 in (66.7 x 55.5 x 40.4 mm) 1.1 lbs (0.50 kg)
ST-2-28 / DST-2-28 28 VCT @ 0.04 A / 14 V @ 0.08 A ~2.2 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.37 x 1.12 x 0.97 in (34.9 x 28.6 x 24.6 mm) 0.17 lbs (0.08 kg)
ST-3-28 / DST-3-28 28 VCT @ 0.085 A / 14 V @ 0.17 A ~5 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.37 x 1.12 x 1.21 in (34.9 x 28.6 x 30.8 mm) 0.25 lbs (0.11 kg)
ST-4-28 / DST-4-28 28 VCT @ 0.2 A / 14 V @ 0.4 A ~12 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.62 x 1.31 x 1.31 in (41.3 x 33.3 x 33.3 mm) 0.44 lbs (0.20 kg)
ST-5-28 / DST-5-28 28 VCT @ 0.42 A / 14 V @ 0.84 A ~24 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.91 x 1.59 x 1.45 in (48.4 x 40.4 x 36.9 mm) 0.70 lbs (0.32 kg)
ST-6-28 / DST-6-28 28 VCT @ 0.7 A / 14 V @ 1.4 A ~40 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 2.25 x 1.88 x 1.45 in (57.2 x 47.8 x 36.9 mm) 0.80 lbs (0.36 kg)
ST-7-28 / DST-7-28 28 VCT @ 1.3 A / 14 V @ 2.6 A ~72 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 2.62 x 2.18 x 1.59 in (66.7 x 55.5 x 40.4 mm) 1.1 lbs (0.50 kg)
ST-2-36 / DST-2-36 36 VCT @ 0.03 A / 18 V @ 0.06 A ~2.2 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.37 x 1.12 x 0.97 in (34.9 x 28.6 x 24.6 mm) 0.17 lbs (0.08 kg)
ST-3-36 / DST-3-36 36 VCT @ 0.065 A / 18 V @ 0.13 A ~5 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.37 x 1.12 x 1.21 in (34.9 x 28.6 x 30.8 mm) 0.25 lbs (0.11 kg)
ST-4-36 / DST-4-36 36 VCT @ 0.17 A / 18 V @ 0.34 A ~12 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.62 x 1.31 x 1.31 in (41.3 x 33.3 x 33.3 mm) 0.44 lbs (0.20 kg)
ST-5-36 / DST-5-36 36 VCT @ 0.35 A / 18 V @ 0.7 A ~24 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.91 x 1.59 x 1.45 in (48.4 x 40.4 x 36.9 mm) 0.70 lbs (0.32 kg)
ST-6-36 / DST-6-36 36 VCT @ 0.55 A / 18 V @ 1.1 A ~40 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 2.25 x 1.88 x 1.45 in (57.2 x 47.8 x 36.9 mm) 0.80 lbs (0.36 kg)
ST-7-36 / DST-7-36 36 VCT @ 1.0 A / 18 V @ 2.0 A ~72 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 2.62 x 2.18 x 1.59 in (66.7 x 55.5 x 40.4 mm) 1.1 lbs (0.50 kg)
ST-2-48 / DST-2-48 48 VCT @ 0.023 A / 24 V @ 0.046 A ~2.2 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.37 x 1.12 x 0.97 in (34.9 x 28.6 x 24.6 mm) 0.17 lbs (0.08 kg)
ST-3-48 / DST-3-48 48 VCT @ 0.05 A / 24 V @ 0.1 A ~5 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.37 x 1.12 x 1.21 in (34.9 x 28.6 x 30.8 mm) 0.25 lbs (0.11 kg)
ST-4-48 / DST-4-48 48 VCT @ 0.125 A / 24 V @ 0.25 A ~12 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.62 x 1.31 x 1.31 in (41.3 x 33.3 x 33.3 mm) 0.44 lbs (0.20 kg)
ST-5-48 / DST-5-48 48 VCT @ 0.25 A / 24 V @ 0.5 A ~24 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.91 x 1.59 x 1.45 in (48.4 x 40.4 x 36.9 mm) 0.70 lbs (0.32 kg)
ST-6-48 / DST-6-48 48 VCT @ 0.4 A / 24 V @ 0.8 A ~40 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 2.25 x 1.88 x 1.45 in (57.2 x 47.8 x 36.9 mm) 0.80 lbs (0.36 kg)
ST-7-48 / DST-7-48 48 VCT @ 0.75 A / 24 V @ 1.5 A ~72 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 2.62 x 2.18 x 1.59 in (66.7 x 55.5 x 40.4 mm) 1.1 lbs (0.50 kg)
ST-2-56 / DST-2-56 56 VCT @ 0.02 A / 28 V @ 0.04 A ~2.2 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.37 x 1.12 x 0.97 in (34.9 x 28.6 x 24.6 mm) 0.17 lbs (0.08 kg)
ST-3-56 / DST-3-56 56 VCT @ 0.045 A / 28 V @ 0.09 A ~5 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.37 x 1.12 x 1.21 in (34.9 x 28.6 x 30.8 mm) 0.25 lbs (0.11 kg)
ST-4-56 / DST-4-56 56 VCT @ 0.11 A / 28 V @ 0.22 A ~12 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.62 x 1.31 x 1.31 in (41.3 x 33.3 x 33.3 mm) 0.44 lbs (0.20 kg)
ST-5-56 / DST-5-56 56 VCT @ 0.22 A / 28 V @ 0.44 A ~24 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.91 x 1.59 x 1.45 in (48.4 x 40.4 x 36.9 mm) 0.70 lbs (0.32 kg)
ST-6-56 / DST-6-56 56 VCT @ 0.35 A / 28 V @ 0.7 A ~40 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 2.25 x 1.88 x 1.45 in (57.2 x 47.8 x 36.9 mm) 0.80 lbs (0.36 kg)
ST-7-56 / DST-7-56 56 VCT @ 0.65 A / 28 V @ 1.3 A ~72 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 2.62 x 2.18 x 1.59 in (66.7 x 55.5 x 40.4 mm) 1.1 lbs (0.50 kg)
ST-2-120 / DST-2-120 120 VCT @ 0.01 A / 60 V @ 0.02 A ~2.4 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.37 x 1.12 x 0.97 in (34.9 x 28.6 x 24.6 mm) 0.17 lbs (0.08 kg)
ST-3-120 / DST-3-120 120 VCT @ 0.02 A / 60 V @ 0.04 A ~5 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.37 x 1.12 x 1.21 in (34.9 x 28.6 x 30.8 mm) 0.25 lbs (0.11 kg)
ST-4-120 / DST-4-120 120 VCT @ 0.05 A / 60 V @ 0.1 A ~12 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.62 x 1.31 x 1.31 in (41.3 x 33.3 x 33.3 mm) 0.44 lbs (0.20 kg)
ST-5-120 / DST-5-120 120 VCT @ 0.1 A / 60 V @ 0.2 A ~24 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 1.91 x 1.59 x 1.45 in (48.4 x 40.4 x 36.9 mm) 0.70 lbs (0.32 kg)
ST-6-120 / DST-6-120 120 VCT @ 0.16 A / 60 V @ 0.32 A ~40 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 2.25 x 1.88 x 1.45 in (57.2 x 47.8 x 36.9 mm) 0.80 lbs (0.36 kg)
ST-7-120 / DST-7-120 120 VCT @ 0.3 A / 60 V @ 0.6 A ~72 VA Single 115 V / Dual 115/230 V 50/60 Hz 6 Pin (ST) / 8 Pin (DST) 2500 Vrms Hipot 2.62 x 2.18 x 1.59 in (66.7 x 55.5 x 40.4 mm) 1.1 lbs (0.50 kg)

General Specifications

Specification Details
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
Insulation System Class F, 155 C
Mounting Hardware See chart for details. Available from Signal: ST-MS (screw) and ST-MN (nut). Size 7 has 4 mounting holes on 2.18 x 1.75 centers for #6 screws.

Recommended Secondary Fuse Values

Refer to the part number suffix and the following 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

Specifications subject to change without notice. 2020 Signal Transformer.


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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

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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