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quality triple output transformer Bel Fuse DMT-6-12 chassis mount type delivering 5 VDC and 12 VDC for regulated power supplies factory
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quality triple output transformer Bel Fuse DMT-6-12 chassis mount type delivering 5 VDC and 12 VDC for regulated power supplies factory
>
Specifications
Secondary Winding:
2
Isolation Voltage(Vrms):
2.5kV
Primary Winding(s):
2
Secondary Side Voltage:
5V;12V
Output Current:
1.75A;210mA
Primary Side Voltage:
115V;230V
Mfr. Part #:
DMT-6-12
Package:
Screw Terminals
Key Attributes
Model Number: DMT-6-12
Product Description

Product Overview

Signal's MT and DMT series chassis mount transformers are designed for regulated power supplies, offering triple output configurations for 5 VDC alongside either 12 VDC or 15 VDC. These transformers provide robust performance and reliability, suitable for various industrial and electronic applications requiring stable and precise DC power. They are built with high-quality insulation and meet stringent agency certifications for safety and compliance.

Product Attributes

  • Brand: Signal
  • Series: MT / DMT
  • Type: Chassis Mount Triple Output Transformers
  • Output Configuration: Two-4-One (5 VDC with 12 VDC or 15 VDC)
  • Insulation Class: Class B (130 C)
  • Certifications: UL 1446 (File # E66312), UL recognized to UL 506 / UL5085-2 (File # E63829), CSA certified to C22.2 #66.1 (File # 221070)
  • Compliance: RoHS compliant
  • Customization: Custom versions available upon request

Technical Specifications

Model Power (VA) Dielectric Strength (Vrms Hipot) Primary Voltage (Nominal) Input Range (V) Secondary Outputs Terminals Dimensions (Inches / mm) L x W x H Weight (lbs / kg) Part Number
MT / DMT Series 30, 56, 100 2500 115 V or 115/230 V (50/60 Hz) 100 V to 130 V or 200 V to 260 V 5 VDC with 12 VDC or 5 VDC with 15 VDC Solder lug / quick connect
  • Size 6: 3.25 (82.6) x 1.74 (44.3) x 1.96 (49.8)
  • Size 7: 3.68 (93.5) x 1.94 (49.2) x 2.28 (57.8)
  • Size 8: 4.03 (102.4) x 2.30 (58.5) x 2.58 (65.5)
  • Size 6: 1.1 (0.50)
  • Size 7: 1.7 (0.77)
  • Size 8: 2.75 (1.25)
  • Regulator I: MT-6-12, DMT-6-12 (5V@1.75A, 12V@210mA); MT-6-15, DMT-6-15 (5V@1.75A, 15V@175mA); MT-7-12, DMT-7-12 (5V@2.8A, 12V@350mA); MT-7-15, DMT-7-15 (5V@2.8A, 15V@280mA); MT-8-12, DMT-8-12 (5V@4A, 12V@600mA); MT-8-15, DMT-8-15 (5V@4A, 15V@500mA)
  • Regulator II: (Refer to Part Number Selection table for specific configurations)
Mechanical Dimensions (Typ.)
Size L W H A B ML (typ)
6 3.25 (82.6) 1.74 (44.3) 1.96 (49.8) 2.35 (59.7) 1.14 (28.9) 2.81 (71.4)
7 3.68 (93.5) 1.94 (49.2) 2.28 (57.8) 2.70 (68.4) 1.14 (28.9) 3.12 (79.4)
8 4.03 (102.4) 2.30 (58.5) 2.58 (65.5) 3.08 (78.2) 1.43 (36.2) 3.56 (90.4)
Suggested Components for MT/DMT Series
Part Number Primary 115 V Primary 115/230 V Size Suggested Components (C2 and C4 See Note 1)
MT-6-12 / DMT-6-12 115 V 115/230 V 6 C1: 10 KMFD @ 20 VDC; C3: 1.5 KMFD @ 50 VDC; IC13: LM-323K-5; IC23: LM-340K-12; IC33: LM-320K-12; D14: 3N253; D24: 3N247
MT-6-15 / DMT-6-15 115 V 115/230 V 6 C1: 10 KMFD @ 20 VDC; C3: 1.5 KMFD @ 50 VDC; IC13: LM-323K-5; IC23: LM-340K-15; IC33: LM-320K-15; D14: 3N253; D24: 3N247
MT-7-12 / DMT-7-12 115 V 115/230 V 7 C1: 15 KMFD @ 20 VDC; C3: 2 KMFD @ 50 VDC; IC13: LM-323K-5; IC23: LM-340K-12; IC33: LM-320K-12; D14: MDA-400; D24: 3N247
MT-7-15 / DMT-7-15 115 V 115/230 V 7 C1: 15 KMFD @ 20 VDC; C3: 2 KMFD @ 50 VDC; IC13: LM-323K-5; IC23: LM-340K-15; IC33: LM-320K-15; D14: MDA-400; D24: 3N247
MT-8-12 / DMT-8-12 115 V 115/230 V 8 C1: 26 KMFD @ 20 VDC; C3: 3.1 KMFD @ 50 VDC; IC13: LM-338 2; IC23: LM-340K-12; IC33: LM-320K-12; D14: MDA-800; D24: 3N247
MT-8-15 / DMT-8-15 115 V 115/230 V 8 C1: 26 KMFD @ 20 VDC; C3: 3.1 KMFD @ 50 VDC; IC13: LM-338 2; IC23: LM-340K-15; IC33: LM-320K-15; D14: MDA-800; D24: 3N247

Note 1: Output capacitors C2 and C4 are required to stabilize regulators. Values can be 1 MFD min. tantalum or 10 MFD min. electrolytic, 20 V min.

Note 2: LM-338 is an adjustable regulator and Mfrs specifications (National Semiconductor) should be consulted for values of external components.

Note 3: All ICs are National Semiconductor types.

Note 4: All diodes are Motorola types.

2411272200_Bel-Fuse-DMT-6-12_C17404074.pdf

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