Product Overview
The Signal MT and DMT Series are chassis mount triple output transformers designed to provide regulated power supplies for 5 VDC and either 12 VDC or 15 VDC applications. These transformers offer the same performance features as the 241 series and are available in power ratings of 30 VA, 56 VA, and 100 VA. They are built with a Class B insulation (130 C) and feature solder lug/quick connect terminals. These transformers are RoHS compliant and carry multiple agency certifications, including UL and CSA recognition.
Product Attributes
- Brand: Signal
- Series: MT / DMT
- Type: Chassis Mount Triple Output Transformers
- Insulation Class: Class B (130 C)
- Terminals: Solder lug / quick connect type
- Compliance: RoHS compliant
- Agency Certifications: UL 1446 (File # E66312), UL recognized to UL 506 / UL5085-2 (File # E63829), CSA certified to C22.2 #66.1 (File # 221070)
- Origin: USA (implied by address)
Technical Specifications
| Model | Power (VA) | Primary Voltage (Nominal) | Input Range | Secondary Outputs | Dimensions (L x W x H) Inches (mm) | Weight lbs (kg) | |
|---|---|---|---|---|---|---|---|
| MT-6-12 / DMT-6-12 | 30 | 115 V or 115/230 V | 100 V to 130 V or 200 V to 260 V | 5 V @ 1.75 A + 12 V @ 210 mA | 3.25 (82.6) x 1.74 (44.3) x 1.96 (49.8) | 1.1 (0.50) | |
| MT-6-15 / DMT-6-15 | 30 | 115 V or 115/230 V | 100 V to 130 V or 200 V to 260 V | 5 V @ 1.75 A + 15 V @ 175 mA | 3.25 (82.6) x 1.74 (44.3) x 1.96 (49.8) | 1.1 (0.50) | |
| MT-7-12 / DMT-7-12 | 56 | 115 V or 115/230 V | 100 V to 130 V or 200 V to 260 V | 5 V @ 2.8 A + 12 V @ 350 mA | 3.68 (93.5) x 1.94 (49.2) x 2.28 (57.8) | 1.7 (0.77) | |
| MT-7-15 / DMT-7-15 | 56 | 115 V or 115/230 V | 100 V to 130 V or 200 V to 260 V | 5 V @ 2.8 A + 15 V @ 280 mA | 3.68 (93.5) x 1.94 (49.2) x 2.28 (57.8) | 1.7 (0.77) | |
| MT-8-12 / DMT-8-12 | 100 | 115 V or 115/230 V | 100 V to 130 V or 200 V to 260 V | 5 V @ 4 A + 12 V @ 600 mA | 4.03 (102.4) x 2.30 (58.5) x 2.58 (65.5) | 2.75 (1.25) | |
| MT-8-15 / DMT-8-15 | 100 | 115 V or 115/230 V | 100 V to 130 V or 200 V to 260 V | 5 V @ 4 A + 15 V @ 500 mA | 4.03 (102.4) x 2.30 (58.5) x 2.58 (65.5) | 2.75 (1.25) | |
| General Specifications: - Power Ratings: 30 VA, 56 VA, 100 VA - Dielectric Strength: 2500 Vrms Hipot - Primaries: Single or dual primaries 115 V or 115/230 V nominal, 50/60 Hz. - Input Range: 100 V to 130 V or 200 V to 260 V - Insulation: Class B (130 C) UL E66312 | |||||||
| Part Number (Primary 115 V) | Part Number (Primary 115/230 V) | Size | Suggested Components (C2 & C4 Note 1) | Suggested Components (C1) | Suggested Components (C3) | Suggested Components (IC13) | Suggested Components (IC23) | Suggested Components (IC33) | Suggested Components (D14) | Suggested Components (D24) |
|---|---|---|---|---|---|---|---|---|---|---|
| MT-6-12 | DMT-6-12 | 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 | 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 | 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 | 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 | 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 | 8 | 26 KMFD @ 20 VDC | 3.1 KMFD @ 50 VDC | LM-338 2 | LM-340K-15 | LM-320K-15 | MDA-800 | 3N247 |
Notes:
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.
2: LM-338 is an adjustable regulator and Mfrs specifications (National Semiconductor) should be consulted for values of external components.
3: All ICs are National Semiconductor types.
4: All diodes are Motorola types.
2411272200_Bel-Fuse-MT-7-15_C17582246.pdf
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