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Specifications
Secondary Winding:
2
Isolation Voltage(Vrms):
2.5kV
Primary Winding(s):
1
Secondary Side Voltage:
5V;12V
Output Current:
2.8A;350mA
Primary Side Voltage:
115V
Mfr. Part #:
MT-7-12
Package:
Screw Terminals
Key Attributes
Model Number:
MT-7-12
Product Description
Product Overview
Signal's MT and DMT series chassis mount triple output transformers are designed for regulated power supplies, offering dual complementary outputs of 5 VDC with either 12 VDC or 15 VDC. These transformers provide all the performance features of the 241 series and are available in power ratings of 30 VA, 56 VA, and 100 VA. They feature single or dual primaries for 115 V or 115/230 V nominal input at 50/60 Hz, with input ranges from 100 V to 130 V or 200 V to 260 V. Suitable for various industrial applications, these transformers are RoHS compliant and carry multiple agency certifications.
Product Attributes
- Brand: Signal
- Series: MT / DMT
- Type: Chassis Mount Triple Output Transformers
- Technology: Two-4-One
- 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
- Origin: USA (implied by address and contact information)
Technical Specifications
| Specification | Details |
|---|---|
| Power Ratings | 30 VA, 56 VA, 100 VA |
| Dielectric Strength | 2500 Vrms Hipot |
| Primary Input Voltage | 115 V or 115/230 V nominal, 50/60 Hz |
| Input Range | 100 V to 130 V or 200 V to 260 V |
| Secondary Outputs | Dual complementary outputs (5 VDC with 12 VDC or 5 VDC with 15 VDC) |
| Terminals | Solder lug / quick connect type |
| UL File Number | E66312 |
| CSA File Number | 221070 |
MT / DMT Series - Model Specifics and Dimensions
| Model | Primary (115V) | Primary (115/230V) | DC Output | Size (L x W x H) (Inches/mm) | Weight (lbs/kg) |
|---|---|---|---|---|---|
| MT-6-12 | Yes | Yes | 5 V @ 1.75 A, 12 V @ 210 mA | 6 (3.25 x 1.74 x 1.96) / (82.6 x 44.3 x 49.8) | 1.1 (0.50) |
| DMT-6-12 | Yes | Yes | 5 V @ 1.75 A, 12 V @ 210 mA | 6 (3.25 x 1.74 x 1.96) / (82.6 x 44.3 x 49.8) | 1.1 (0.50) |
| MT-6-15 | Yes | Yes | 5 V @ 1.75 A, 15 V @ 175 mA | 6 (3.25 x 1.74 x 1.96) / (82.6 x 44.3 x 49.8) | 1.1 (0.50) |
| DMT-6-15 | Yes | Yes | 5 V @ 1.75 A, 15 V @ 175 mA | 6 (3.25 x 1.74 x 1.96) / (82.6 x 44.3 x 49.8) | 1.1 (0.50) |
| MT-7-12 | Yes | Yes | 5 V @ 2.8 A, 12 V @ 350 mA | 7 (3.68 x 1.94 x 2.28) / (93.5 x 49.2 x 57.8) | 1.7 (0.77) |
| DMT-7-12 | Yes | Yes | 5 V @ 2.8 A, 12 V @ 350 mA | 7 (3.68 x 1.94 x 2.28) / (93.5 x 49.2 x 57.8) | 1.7 (0.77) |
| MT-7-15 | Yes | Yes | 5 V @ 2.8 A, 15 V @ 280 mA | 7 (3.68 x 1.94 x 2.28) / (93.5 x 49.2 x 57.8) | 1.7 (0.77) |
| DMT-7-15 | Yes | Yes | 5 V @ 2.8 A, 15 V @ 280 mA | 7 (3.68 x 1.94 x 2.28) / (93.5 x 49.2 x 57.8) | 1.7 (0.77) |
| MT-8-12 | Yes | Yes | 5 V @ 4 A, 12 V @ 600 mA | 8 (4.03 x 2.30 x 2.58) / (102.4 x 58.5 x 65.5) | 2.75 (1.25) |
| DMT-8-12 | Yes | Yes | 5 V @ 4 A, 12 V @ 600 mA | 8 (4.03 x 2.30 x 2.58) / (102.4 x 58.5 x 65.5) | 2.75 (1.25) |
| MT-8-15 | Yes | Yes | 5 V @ 4 A, 15 V @ 500 mA | 8 (4.03 x 2.30 x 2.58) / (102.4 x 58.5 x 65.5) | 2.75 (1.25) |
| DMT-8-15 | Yes | Yes | 5 V @ 4 A, 15 V @ 500 mA | 8 (4.03 x 2.30 x 2.58) / (102.4 x 58.5 x 65.5) | 2.75 (1.25) |
Suggested Components for MT/DMT Series
| Model | Primary (115V) | Primary (115/230V) | Size | Suggested Components (C1, C3, IC13, IC23, IC33, D14, D24) |
|---|---|---|---|---|
| MT-6-12 / DMT-6-12 | Yes | Yes | 6 | 10 KMFD @ 20 VDC, 1.5 KMFD @ 50 VDC, LM-323K-5, LM-340K-12, LM-320K-12, 3N253, 3N247 |
| MT-6-15 / DMT-6-15 | Yes | Yes | 6 | 10 KMFD @ 20 VDC, 1.5 KMFD @ 50 VDC, LM-323K-5, LM-340K-15, LM-320K-15, 3N253, 3N247 |
| MT-7-12 / DMT-7-12 | Yes | Yes | 7 | 15 KMFD @ 20 VDC, 2 KMFD @ 50 VDC, LM-323K-5, LM-340K-12, LM-320K-12, MDA-400, 3N247 |
| MT-7-15 / DMT-7-15 | Yes | Yes | 7 | 15 KMFD @ 20 VDC, 2 KMFD @ 50 VDC, LM-323K-5, LM-340K-15, LM-320K-15, MDA-400, 3N247 |
| MT-8-12 / DMT-8-12 | Yes | Yes | 8 | 26 KMFD @ 20 VDC, 3.1 KMFD @ 50 VDC, LM-338 2, LM-340K-12, LM-320K-12, MDA-800, 3N247 |
| MT-8-15 / DMT-8-15 | Yes | Yes | 8 | 26 KMFD @ 20 VDC, 3.1 KMFD @ 50 VDC, LM-338 2, LM-340K-15, LM-320K-15, MDA-800, 3N247 |
Notes:
- 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 manufacturers 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-MT-7-12_C17617258.pdf
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