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quality Low profile hum-bucking transformer Bel Fuse LP-56-850 designed for critical height and applications factory
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quality Low profile hum-bucking transformer Bel Fuse LP-56-850 designed for critical height and applications factory
>
Specifications
Secondary Winding:
2
Isolation Voltage(Vrms):
1.5kV
Primary Winding(s):
2
Secondary Side Voltage:
28V;56V
Output Current:
1.7A;850mA
Primary Side Voltage:
115V;230V
Mfr. Part #:
LP-56-850
Package:
Through Hole-8P,79.2x63.5mm
Key Attributes
Model Number: LP-56-850
Product Description

Product Overview

The Signal LP Series Low Profile Transformers are designed for low power and critical height applications. Featuring hum-bucking (semi-toroidal) construction, these transformers minimize radiated magnetic fields, making them ideal for PC board applications where space is limited. They offer dual primaries (115/230 V - 50/60 Hz) and can be configured for series or parallel secondaries. Available in a range of VA ratings from 2 VA to 48 VA, with heights from 0.65" to 1.375".

Product Attributes

  • Brand: Signal
  • Series: LP Series
  • Construction: Hum-bucking (semi-toroidal)
  • Insulation System: Class B, 130 C, UL 1446, E66312
  • Certifications: UL recognized to UL 506 / UL 5085-2, File # E63829; CSA - NRTL/C22.2 #66.1, File # 221070
  • Compliance: RoHS Compliant
  • Customization: Custom versions available upon request.

Technical Specifications

Part Number VA Secondary RMS Rating (Series) Secondary RMS Rating (Parallel) Size Height (inches/mm) Weight (oz/kg) Mounting Hole
LP-10-250 2 10 VCT @ 250 mA 5 V @ 500 mA 2 0.65 (16.5) 5 (0.14) -
LP-10-600 6 10 VCT @ 600 mA 5 V @ 1.2 A 6 0.85 (21.6) 7 (0.20) -
LP-10-1200 12 10 VCT @ 1200 mA 5 V @ 2.4 A 12 1.06 (27.1) 11 (0.31) -
LP-10-2400 24 10 VCT @ 2.40 A 5 V @ 4.80 A 24 1.25 (31.8) 15 (0.43) Clearance Hole for #4 Screw
LP-10-4800 48 10 VCT @ 4.80 A 5 V @ 9.60 A 48 1.37 (34.9) 21 (0.60) Clearance Hole for #6 Screw
LP-12-200 2 12.6 VCT @ 200 mA 6.3 V @ 400 mA 2 0.65 (16.5) 5 (0.14) -
LP-12-450 6 12.6 VCT @ 450 mA 6.3 V @ 900 mA 6 0.85 (21.6) 7 (0.20) -
LP-12-900 12 12.6 VCT @ 900 mA 6.3 V @ 1.8 A 12 1.06 (27.1) 11 (0.31) -
LP-12-1900 24 12.6 VCT @ 1.90 A 6.3 V @ 3.80 A 24 1.25 (31.8) 15 (0.43) Clearance Hole for #4 Screw
LP-12-3800 48 12.6 VCT @ 3.80 A 6.3 V @ 7.60 A 48 1.37 (34.9) 21 (0.60) Clearance Hole for #6 Screw
LP-16-150 2 16 VCT @ 150 mA 8 V @ 300 mA 2 0.65 (16.5) 5 (0.14) -
LP-16-350 6 16 VCT @ 350 mA 8 V @ 700 mA 6 0.85 (21.6) 7 (0.20) -
LP-16-700 12 16 VCT @ 700 mA 8 V @ 1.4 A 12 1.06 (27.1) 11 (0.31) -
LP-16-1500 24 16 VCT @ 1.50 A 8 V @ 3.00 A 24 1.25 (31.8) 15 (0.43) Clearance Hole for #4 Screw
LP-16-3000 48 16 VCT @ 3.00 A 8 V @ 6.00 A 48 1.37 (34.9) 21 (0.60) Clearance Hole for #6 Screw
LP-20-125 2 20 VCT @ 125 mA 10 V @ 250 mA 2 0.65 (16.5) 5 (0.14) -
LP-20-300 6 20 VCT @ 300 mA 10 V @ 600 mA 6 0.85 (21.6) 7 (0.20) -
LP-20-600 12 20 VCT @ 600mA 10 V @ 1.2 A 12 1.06 (27.1) 11 (0.31) -
LP-20-1200 24 20 VCT @ 1.20 A 10 V @ 2.40 A 24 1.25 (31.8) 15 (0.43) Clearance Hole for #4 Screw
LP-20-2400 48 20 VCT @ 2.40 A 10 V @ 4.80 A 48 1.37 (34.9) 21 (0.60) Clearance Hole for #6 Screw
LP-24-100 2 24 VCT @ 100 mA 12 V @ 200 mA 2 0.65 (16.5) 5 (0.14) -
LP-24-250 6 24 VCT @ 250 mA 12 V @ 500 mA 6 0.85 (21.6) 7 (0.20) -
LP-24-500 12 24 VCT @ 500 mA 12 V @ 1.00 A 12 1.06 (27.1) 11 (0.31) -
LP-24-1000 24 24 VCT @ 1.00 A 12 V @ 2.00 A 24 1.25 (31.8) 15 (0.43) Clearance Hole for #4 Screw
LP-24-2000 48 24 VCT @ 2.00 A 12V @ 4.00 A 48 1.37 (34.9) 21 (0.60) Clearance Hole for #6 Screw
LP-30-85 2 30 VCT @ 85 mA 15 V @ 170 mA 2 0.65 (16.5) 5 (0.14) -
LP-30-200 6 30 VCT @ 200 mA 15 V @ 400 mA 6 0.85 (21.6) 7 (0.20) -
LP-30-400 12 30 VCT @ 400 mA 15 V @ 800 mA 12 1.06 (27.1) 11 (0.31) -
LP-30-800 24 30 VCT @ 800 mA 15 V @ 1.60 A 24 1.25 (31.8) 15 (0.43) Clearance Hole for #4 Screw
LP-30-1600 48 30 VCT @ 1.60 A 15 V @ 3.20 A 48 1.37 (34.9) 21 (0.60) Clearance Hole for #6 Screw
LP-34-75 2 34 VCT @ 75 mA 17 V @ 150 mA 2 0.65 (16.5) 5 (0.14) -
LP-34-170 6 34 VCT @ 170 mA 17 V @ 340 mA 6 0.85 (21.6) 7 (0.20) -
LP-34-340 12 34 VCT @ 340 mA 17 V @ 680 mA 12 1.06 (27.1) 11 (0.31) -
LP-34-700 24 34 VCT @ 700 mA 17 V @ 1.40 A 24 1.25 (31.8) 15 (0.43) Clearance Hole for #4 Screw
LP-34-1400 48 34 VCT @ 1.40 A 17 V @ 2.80 A 48 1.37 (34.9) 21 (0.60) Clearance Hole for #6 Screw
LP-40-60 2 40 VCT @ 60 mA 20 V @ 120 mA 2 0.65 (16.5) 5 (0.14) -
LP-40-150 6 40 VCT @ 150 mA 20 V @ 300 mA 6 0.85 (21.6) 7 (0.20) -
LP-40-300 12 40 VCT @ 300 mA 20 V @ 600 mA 12 1.06 (27.1) 11 (0.31) -
LP-40-600 24 40 VCT @ 600 mA 20 V @ 1.20 A 24 1.25 (31.8) 15 (0.43) Clearance Hole for #4 Screw
LP-40-1200 48 40 VCT @ 1.20 A 20 V @ 2.40 A 48 1.37 (34.9) 21 (0.60) Clearance Hole for #6 Screw
LP-56-45 2 56 VCT @ 45 mA 28 V @ 90 mA 2 0.65 (16.5) 5 (0.14) -
LP-56-100 6 56 VCT @ 100 mA 28 V @ 200 mA 6 0.85 (21.6) 7 (0.20) -
LP-56-200 12 56 VCT @ 200 mA 28 V @ 400 mA 12 1.06 (27.1) 11 (0.31) -
LP-56-425 24 56 VCT @ 425 mA 28 V @ 850 mA 24 1.25 (31.8) 15 (0.43) Clearance Hole for #4 Screw
LP-56-850 48 56 VCT @ 850 mA 28 V @ 1.70 A 48 1.37 (34.9) 21 (0.60) Clearance Hole for #6 Screw
LP-88-28 2 88 VCT @ 28 mA 44 V @ 56 mA 2 0.65 (16.5) 5 (0.14) -
LP-88-65 6 88 VCT @ 65 mA 44 V @ 130 mA 6 0.85 (21.6) 7 (0.20) -
LP-88-130 12 88 VCT @ 130 mA 44 V @ 260 mA 12 1.06 (27.1) 11 (0.31) -
LP-120-20 2 120 VCT @ 20 mA 60 V @ 40 mA 2 0.65 (16.5) 5 (0.14) -
LP-120-50 6 120 VCT @ 50 mA 60 V @ 100 mA 6 0.85 (21.6) 7 (0.20) -
LP-120-100 12 120 VCT @ 100 mA 60 V @ 200 mA 12 1.06 (27.1) 11 (0.31) -
LP-230-10 2 230 VCT @ 10 mA 115 V @ 20 mA 2 0.65 (16.5) 5 (0.14) -
LP-230-25 6 230 VCT @ 25 mA 115 V @ 50 mA 6 0.85 (21.6) 7 (0.20) -
LP-230-50 12 230 VCT @ 50mA 115 V @ 100 mA 12 1.06 (27.1) 11 (0.31) -
General Specifications: Power - 2 VA to 48 VA; Dielectric Strength - 1500 Vrms Hipot; Primaries - Dual primaries, 115/230 V - 50/60 Hz; Secondaries - Series or Parallel; Insulation System - Class B, 130 C, UL 1446, E66312.
VA Dimensions (Inches/mm) Weight (oz/kg) Pin Size Mounting Hole
A x B x C
2 1.60 x 0.37 x 0.37 (40.6 x 9.5 x 9.5) 5 (0.14) 0.041 x 0.020 (1.04 x 0.51) -
6 1.60 x 0.37 x 0.37 (40.6 x 9.5 x 9.5) 7 (0.20) 0.041 x 0.020 (1.04 x 0.51) -
12 2.00 x 0.50 x 0.50 (50.8 x 12.7 x 12.7) 11 (0.31) 0.041 x 0.020 (1.04 x 0.51) -
24 1.90 x 0.60 x 0.53 (48.3 x 15.2 x 13.5) 15 (0.43) 0.041 SQ pin (1.04 SQ mm) Clearance Hole for #4 Screw
48 2.18 x 0.60 x 0.66 (55.4 x 15.2 x 16.8) 21 (0.60) 0.041 SQ pin (1.04 SQ mm) Clearance Hole for #6 Screw

2411272147_Bel-Fuse-LP-56-850_C17314785.pdf

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