voltage transformer Bel Fuse DST-5-120 with dual cavity split bobbin construction and UL CSA safety certifications

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Price: Negotiable

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Delivery Time: Negotiable

Product Description

Product Overview

The Bel Fuse Signal ST/DST Series Split/Tran Specialty Purpose & Class 2 Transformers are designed for high isolation and low capacitive coupling, utilizing a dual cavity platform. Featuring rigid pin construction for simplified board insertion and enhanced reliability, these transformers are suitable for a wide range of applications requiring precise voltage transformation. They are available in various power ratings from 1.1 VA to 36 VA and are built to meet stringent agency certifications.

Product Attributes

Brand: Bel Fuse Signal
Series: ST / DST Series Split/Tran
Construction: Split Bobbin with Dual Cavity
Insulation System: Class F, 155 C
RoHS Compliant: Yes
Agency Certifications: UL 1446 Class F, 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
Custom Versions: Available upon request

Technical Specifications

Part Number	Secondary RMS Rating (Series)	Secondary RMS Rating (Parallel)	VA Rating	Primary Configuration	Pin Configuration	Dielectric Strength (Hipot)	Insulation System	Weight (lbs / kg)
ST-2-10# / DST-2-10#	10 VCT @ 0.11 A	5 V @ 0.22 A	2.4	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.25 (0.11)
ST-3-10# / DST-3-10#	10 VCT @ 0.25 A	5 V @ 0.5 A	6	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)			0.44 (0.20)
ST-4-10# / DST-4-10#	10 VCT @ 0.6 A	5 V @ 1.2 A	12	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)			0.70 (0.32)
ST-5-10# / DST-5-10#	10 VCT @ 1.2 A	5 V @ 2.4 A	20	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)			0.80 (0.36)
ST-6-10 / DST-6-10	10 VCT @ 2.0 A	5 V @ 4.0 A	36	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)			1.1 (0.50)
ST-2-12# / DST-2-12#	12.6 VCT @ 0.09 A	6.3 V @ 0.18 A	2.4	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)			0.25 (0.11)
ST-3-12# / DST-3-12#	12.6 VCT @ 0.2 A	6.3 V @ 0.4 A	6	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)			0.44 (0.20)
ST-4-12# / DST-4-12#	12.6 VCT @ 0.5 A	6.3 V @ 1.0 A	12	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)			0.70 (0.32)
ST-5-12# / DST-5-12#	12.6 VCT @ 1.0 A	6.3 V @ 2.0 A	20	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)			0.80 (0.36)
ST-6-12 / DST-6-12	12.6 VCT @ 1.6 A	6.3 V @ 3.2 A	36	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)			1.1 (0.50)
ST-2-16# / DST-2-16#	16 VCT @ 0.07 A	8 V @ 0.14 A	2.4	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)			0.25 (0.11)
ST-3-16# / DST-3-16#	16 VCT @ 0.15 A	8 V @ 0.3 A	6	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)			0.44 (0.20)
ST-4-16# / DST-4-16#	16 VCT @ 0.4 A	8 V @ 0.8 A	12	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)			0.70 (0.32)
ST-5-16# / DST-5-16#	16 VCT @ 0.8 A	8 V @ 1.6 A	20	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)			0.80 (0.36)
ST-6-16 / DST-6-16	16 VCT @ 1.25 A	8 V @ 2.5 A	36	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)			1.1 (0.50)
ST-2-20# / DST-2-20#	20 VCT @ 0.055 A	10 V @ 0.11 A	2.4	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.25 (0.11)
ST-3-20# / DST-3-20#	20 VCT @ 0.12 A	10 V @ 0.24 A	6	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.44 (0.20)
ST-4-20# / DST-4-20#	20 VCT @ 0.3 A	10 V @ 0.6 A	12	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.70 (0.32)
ST-5-20# / DST-5-20#	20 VCT @ 0.6 A	10 V @ 1.2 A	20	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.80 (0.36)
ST-6-20 / DST-6-20	20 VCT @ 1.0 A	10 V @ 2.0 A	36	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	1.1 (0.50)
ST-7-20 / DST-7-20	20 VCT @ 1.8 A	10 V @ 3.6 A	36	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	1.1 (0.50)
ST-2-24# / DST-2-24#	24 VCT @ 0.045 A	12 V @ 0.09 A	2.4	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.25 (0.11)
ST-3-24# / DST-3-24#	24 VCT @ 0.1 A	12 V @ 0.2 A	6	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.44 (0.20)
ST-4-24# / DST-4-24#	24 VCT @ 0.25 A	12 V @ 0.5 A	12	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.70 (0.32)
ST-5-24# / DST-5-24#	24 VCT @ 0.5 A	12 V @ 1.0 A	20	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.80 (0.36)
ST-6-24 / DST-6-24	24 VCT @ 0.8 A	12 V @ 1.6 A	36	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	1.1 (0.50)
ST-7-24 / DST-7-24	24 VCT @ 1.5 A	12 V @ 3.0 A	36	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	1.1 (0.50)
ST-2-28 / DST-2-28	28 VCT @ 0.04 A	14 V @ 0.08 A	2.4	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.25 (0.11)
ST-3-28 / DST-3-28	28 VCT @ 0.085 A	14 V @ 0.17 A	6	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.44 (0.20)
ST-4-28 / DST-4-28	28 VCT @ 0.2 A	14 V @ 0.4 A	12	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.70 (0.32)
ST-5-28 / DST-5-28	28 VCT @ 0.42 A	14 V @ 0.84 A	20	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.80 (0.36)
ST-6-28 / DST-6-28	28 VCT @ 0.7 A	14 V @ 1.4 A	36	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	1.1 (0.50)
ST-7-28 / DST-7-28	28 VCT @ 1.3 A	14 V @ 2.6 A	36	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	1.1 (0.50)
ST-2-36 / DST-2-36	36 VCT @ 0.03 A	18 V @ 0.06 A	2.4	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.25 (0.11)
ST-3-36 / DST-3-36	36 VCT @ 0.065 A	18 V @ 0.13 A	6	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.44 (0.20)
ST-4-36 / DST-4-36	36 VCT @ 0.17 A	18 V @ 0.34 A	12	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.70 (0.32)
ST-5-36 / DST-5-36	36 VCT @ 0.35 A	18 V @ 0.7 A	20	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.80 (0.36)
ST-6-36 / DST-6-36	36 VCT @ 0.55 A	18 V @ 1.1 A	36	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	1.1 (0.50)
ST-7-36 / DST-7-36	36 VCT @ 1.0 A	18 V @ 2.0 A	36	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	1.1 (0.50)
ST-2-48 / DST-2-48	48 VCT @ 0.023 A	24 V @ 0.046 A	2.4	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.25 (0.11)
ST-3-48 / DST-3-48	48 VCT @ 0.05 A	24 V @ 0.1 A	6	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.44 (0.20)
ST-4-48 / DST-4-48	48 VCT @ 0.125 A	24 V @ 0.25 A	12	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.70 (0.32)
ST-5-48 / DST-5-48	48 VCT @ 0.25 A	24 V @ 0.5 A	20	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.80 (0.36)
ST-6-48 / DST-6-48	48 VCT @ 0.4 A	24 V @ 0.8 A	36	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	1.1 (0.50)
ST-7-48 / DST-7-48	48 VCT @ 0.75 A	24 V @ 1.5 A	36	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	1.1 (0.50)
ST-2-56 / DST-2-56	56 VCT @ 0.02 A	28 V @ 0.04 A	2.4	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.25 (0.11)
ST-3-56 / DST-3-56	56 VCT @ 0.045 A	28 V @ 0.09 A	6	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.44 (0.20)
ST-4-56 / DST-4-56	56 VCT @ 0.11 A	28 V @ 0.22 A	12	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.70 (0.32)
ST-5-56 / DST-5-56	56 VCT @ 0.22 A	28 V @ 0.44 A	20	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.80 (0.36)
ST-6-56 / DST-6-56	56 VCT @ 0.35 A	28 V @ 0.7 A	36	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	1.1 (0.50)
ST-7-56 / DST-7-56	56 VCT @ 0.65 A	28 V @ 1.3 A	36	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	1.1 (0.50)
ST-2-120 / DST-2-120	120 VCT @ 0.01 A	60 V @ 0.02 A	2.4	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.25 (0.11)
ST-3-120 / DST-3-120	120 VCT @ 0.02 A	60 V @ 0.04 A	6	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.44 (0.20)
ST-4-120 / DST-4-120	120 VCT @ 0.05 A	60 V @ 0.1 A	12	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.70 (0.32)
ST-5-120 / DST-5-120	120 VCT @ 0.1 A	60 V @ 0.2 A	20	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	0.80 (0.36)
ST-6-120 / DST-6-120	120 VCT @ 0.16 A	60 V @ 0.32 A	36	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	1.1 (0.50)
ST-7-120 / DST-7-120	120 VCT @ 0.3 A	60 V @ 0.6 A	36	Single 115 V / Dual 115/230 V	6 Pin (ST) / 8 Pin (DST)	2500 Vrms	Class F, 155 C	1.1 (0.50)
General Specifications: Power - 1.1 VA to 36 VA; 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.
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), ML - Not specified, A - 0.40" (10.2mm), B - 0.40" (10.2mm), C - 1.85" (47.0mm). Mounting: 4 holes on 2.18" x 1.75" centers for #6 screws. Mounting hardware (ST-MS screw, ST-MN nut) available from Signal.