Product Overview
The Signal LP Series Flathead Low Profile Transformers are designed for low power and critical height applications. Utilizing hum-bucking (semi-toroidal) construction, these transformers minimize radiated magnetic fields, making them ideal for PC board applications where height is a constraint. They offer dual primaries (115/230 V, 50/60 Hz) and can be configured for series or parallel secondaries.
Product Attributes
- Brand: Signal
- Series: LP Series
- Construction: Hum-bucking (semi-toroidal)
- Certifications: UL recognized to UL 506 / UL 5085-2 (File # E63829), CSA - NRTL/C22.2 #66.1 (File # 221070)
- Insulation System: Class B, 130 C, UL 1446, E66312
- Compliance: RoHS Compliant
- Customization: Custom versions available upon request.
Technical Specifications
| Part Number | VA | Secondary RMS Rating (VCT @ mA) | Secondary RMS Rating (V @ A) | Size | Height (inches/mm) | Weight (oz/kg) | Mounting Hole Clearance | |
|---|---|---|---|---|---|---|---|---|
| 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 | 1 | 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) | - |
| VA | Dimensions (Inches/mm) | Weight (oz/kg) | Primary Voltage | Frequency | Dielectric Strength |
|---|---|---|---|---|---|
| 2 | A: 1.60 (40.6) B: 0.37 (9.5) C: 0.37 (9.5) L: 1.87 (47.5) W: 1.56 (39.6) H: 0.65 (16.5) | 5 (0.14) | 115/230V | 50/60 Hz | 1500 Vrms Hipot |
| 6 | A: 1.60 (40.6) B: 0.37 (9.5) C: 0.37 (9.5) L: 1.87 (47.5) W: 1.56 (39.6) H: 0.85 (21.6) | 7 (0.20) | |||
| 12 | A: 2.00 (50.8) B: 0.50 (12.7) C: 0.50 (12.7) L: 2.50 (63.5) W: 2.00 (50.8) H: 1.06 (27.1) | 11 (0.31) | |||
| 24 | A: 1.90 (48.3) B: 0.60 (15.2) C: 0.53 (13.5) L: 2.87 (72.9) W: 2.25 (57.2) H: 1.25 (31.8) | 15 (0.43) | |||
| 48 | A: 2.18 (55.4) B: 0.60 (15.2) C: 0.66 (16.8) L: 3.12 (79.2) W: 2.50 (63.5) H: 1.37 (34.9) | 21 (0.60) |
Note: Dimensions and specifications are subject to change without notice.
2411272147_Bel-Fuse-LP-24-1000_C17210979.pdf
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