Product Overview
Signal's LPI Series Low Profile International Transformers are designed for low power applications requiring minimum height and reduced magnetic radiation. These encapsulated transformers meet international safety requirements and offer improved electrical characteristics, including regulation, temperature rise, and efficiency. Their rigid pin construction ensures easier board insertion and higher reliability, while mounting holes provide enhanced resistance to shock and vibration. Ideal for harsh environmental conditions, the LPI series offers a direct plug-in replacement for original FlatHead designs.
Product Attributes
- Brand: Signal
- Series: LPI Series
- Design: Low Profile International Transformers, Encapsulated
- Certifications: UL recognized to UL 506 / UL 5085-2, File # E63829; CSA certified to C22.2 #66.1, File # 221070
- Compliance: RoHS Compliant
- Insulation System: Class B, 130 C
Technical Specifications
| Part Number | VA | Secondary RMS Rating (Series) | Secondary RMS Rating (Parallel) | Size (H) | Weight (lbs/kg) | Pin Size |
|---|---|---|---|---|---|---|
| 10-250-LPI | 2.5 | 10 VCT @ 250 mA | 5 V @ 500 mA | 0.72" (18.3 mm) | 0.27 (0.12) | .025" (.635 mm) |
| 12-200-LPI | 2.5 | 12.6 VCT @ 200 mA | 6.3 V @ 400 mA | 0.72" (18.3 mm) | 0.27 (0.12) | .025" (.635 mm) |
| 16-150-LPI | 2.5 | 16 VCT @ 150 mA | 8 V @ 300 mA | 0.72" (18.3 mm) | 0.27 (0.12) | .025" (.635 mm) |
| 20-125-LPI | 2.5 | 20 VCT @ 125 mA | 10 V @ 250 mA | 0.72" (18.3 mm) | 0.27 (0.12) | .025" (.635 mm) |
| 24-100-LPI | 2.5 | 24 VCT @ 100 mA | 12 V @ 200 mA | 0.72" (18.3 mm) | 0.27 (0.12) | .025" (.635 mm) |
| 30-85-LPI | 2.5 | 30 VCT @ 85 mA | 15 V @ 170 mA | 0.72" (18.3 mm) | 0.27 (0.12) | .025" (.635 mm) |
| 34-75-LPI | 2.5 | 34 VCT @ 75 mA | 17 V @ 150 mA | 0.72" (18.3 mm) | 0.27 (0.12) | .025" (.635 mm) |
| 40-60-LPI | 2.5 | 40 VCT @ 60 mA | 20 V @ 120 mA | 0.72" (18.3 mm) | 0.27 (0.12) | .025" (.635 mm) |
| 56-45-LPI | 2.5 | 56 VCT @ 45 mA | 28 V @ 90 mA | 0.72" (18.3 mm) | 0.27 (0.12) | .025" (.635 mm) |
| 230-10-LPI | 2.5 | 230 VCT @ 10 mA | 115 V @ 20 mA | 0.72" (18.3 mm) | 0.27 (0.12) | .025" (.635 mm) |
| 10-600-LPI | 6 | 10 VCT @ 600 mA | 5 V @ 1.2 A | 0.89" (22.7 mm) | 0.39 (0.17) | .025" (.635 mm) |
| 12-450-LPI | 6 | 12.6 VCT @ 450 mA | 6.3 V @ 900 mA | 0.89" (22.7 mm) | 0.39 (0.17) | .025" (.635 mm) |
| 16-350-LPI | 6 | 16 VCT @ 350 mA | 8 V @ 700 mA | 0.89" (22.7 mm) | 0.39 (0.17) | .025" (.635 mm) |
| 20-300-LPI | 6 | 20 VCT @ 300 mA | 10 V @ 600 mA | 0.89" (22.7 mm) | 0.39 (0.17) | .025" (.635 mm) |
| 24-250-LPI | 6 | 24 VCT @ 250 mA | 12 V @ 500 mA | 0.89" (22.7 mm) | 0.39 (0.17) | .025" (.635 mm) |
| 30-200-LPI | 6 | 30 VCT @ 200 mA | 15 V @ 400 mA | 0.89" (22.7 mm) | 0.39 (0.17) | .025" (.635 mm) |
| 34-170-LPI | 6 | 34 VCT @ 170 mA | 17 V @ 340 mA | 0.89" (22.7 mm) | 0.39 (0.17) | .025" (.635 mm) |
| 40-150-LPI | 6 | 40 VCT @ 150 mA | 20 V @ 300 mA | 0.89" (22.7 mm) | 0.39 (0.17) | .025" (.635 mm) |
| 56-100-LPI | 6 | 56 VCT @ 100 mA | 28 V @ 200 mA | 0.89" (22.7 mm) | 0.39 (0.17) | .025" (.635 mm) |
| 230-25-LPI | 6 | 230 VCT @ 25 mA | 115 V @ 50 mA | 0.89" (22.7 mm) | 0.39 (0.17) | .025" (.635 mm) |
| 10-900-LPI | 9 | 10 VCT @ 900 mA | 5 V @ 1.8 A | 1.08" (27.4 mm) | 0.51 (0.23) | .025" (.635 mm) |
| 12-725-LPI | 9 | 12.6 VCT @ 725 mA | 6.3 V @ 1.45 A | 1.08" (27.4 mm) | 0.51 (0.23) | .025" (.635 mm) |
| 16-560-LPI | 9 | 16 VCT @ 560 mA | 8V @ 1.12 A | 1.08" (27.4 mm) | 0.51 (0.23) | .025" (.635 mm) |
| 20-450-LPI | 9 | 20 VCT @ 450 mA | 10 V @ 900 mA | 1.08" (27.4 mm) | 0.51 (0.23) | .025" (.635 mm) |
| 24-375-LPI | 9 | 24 VCT @ 375 mA | 12 V @ 750 mA | 1.08" (27.4 mm) | 0.51 (0.23) | .025" (.635 mm) |
| 30-300-LPI | 9 | 30 VCT @ 300 mA | 15 V @ 600 mA | 1.08" (27.4 mm) | 0.51 (0.23) | .025" (.635 mm) |
| 34-265-LPI | 9 | 34 VCT @ 265 mA | 17 V @ 530 mA | 1.08" (27.4 mm) | 0.51 (0.23) | .025" (.635 mm) |
| 40-225-LPI | 9 | 40 VCT @ 225 mA | 20 V @ 450 mA | 1.08" (27.4 mm) | 0.51 (0.23) | .025" (.635 mm) |
| 56-160-LPI | 9 | 56 VCT @ 160 mA | 28 V @ 320 mA | 1.08" (27.4 mm) | 0.51 (0.23) | .025" (.635 mm) |
| 230-40-LPI | 9 | 230 VCT @ 40 mA | 115 V @ 80 mA | 1.08" (27.4 mm) | 0.51 (0.23) | .025" (.635 mm) |
| 10-1200-LPI | 12 | 10 VCT @ 1.2 A | 5 V @ 2.4 A | 1.06" (26.6 mm) | 0.75 (0.34) | .036" (.914 mm) |
| 12-900-LPI | 12 | 12.6 VCT @ 900 mA | 6.3 V @ 1.8 A | 1.06" (26.6 mm) | 0.75 (0.34) | .036" (.914 mm) |
| 16-700-LPI | 12 | 16 VCT @ 700 mA | 8 V @ 1.4 A | 1.06" (26.6 mm) | 0.75 (0.34) | .036" (.914 mm) |
| 20-600-LPI | 12 | 20 VCT @ 600 mA | 10 V @ 1.2 A | 1.06" (26.6 mm) | 0.75 (0.34) | .036" (.914 mm) |
| 24-500-LPI | 12 | 24 VCT @ 500 mA | 12 V @ 1 A | 1.06" (26.6 mm) | 0.75 (0.34) | .036" (.914 mm) |
| 30-400-LPI | 12 | 30 VCT @ 400 mA | 15 V @ 800 mA | 1.06" (26.6 mm) | 0.75 (0.34) | .036" (.914 mm) |
| 34-340-LPI | 12 | 34 VCT @ 340 mA | 17 V @ 680 mA | 1.06" (26.6 mm) | 0.75 (0.34) | .036" (.914 mm) |
| 40-300-LPI | 12 | 40 VCT @ 300 mA | 20 V @ 600 mA | 1.06" (26.6 mm) | 0.75 (0.34) | .036" (.914 mm) |
| 56-200-LPI | 12 | 56 VCT @ 200 mA | 28 V @ 400 mA | 1.06" (26.6 mm) | 0.75 (0.34) | .036" (.914 mm) |
| 230-50-LPI | 12 | 230 VCT @ 50 mA | 115 V @ 100 mA | 1.06" (26.6 mm) | 0.75 (0.34) | .036" (.914 mm) |
| 10-1800-LPI | 18 | 10 VCT @ 1.8 A | 5 V @ 3.6 A | 1.18" (30.0 mm) | 0.95 (0.43) | .036" (.914 mm) |
| 12-1500-LPI | 18 | 12.6 VCT @ 1.5 A | 6.3 V @ 3 A | 1.18" (30.0 mm) | 0.95 (0.43) | .036" (.914 mm) |
| 16-1100-LPI | 18 | 16 VCT @ 1.1 A | 8 V @ 2.2 A | 1.18" (30.0 mm) | 0.95 (0.43) | .036" (.914 mm) |
| 20-900-LPI | 18 | 20 VCT @ 900 mA | 10 V @ 1.8 A | 1.18" (30.0 mm) | 0.95 (0.43) | .036" (.914 mm) |
| 24-750-LPI | 18 | 24 VCT @ 750 mA | 12 V @ 1.5 A | 1.18" (30.0 mm) | 0.95 (0.43) | .036" (.914 mm) |
| 30-600-LPI | 18 | 30 VCT @ 600 mA | 15 V @ 1.2 A | 1.18" (30.0 mm) | 0.95 (0.43) | .036" (.914 mm) |
| 34-500-LPI | 18 | 34 VCT @ 500 mA | 17 V @ 1 A | 1.18" (30.0 mm) | 0.95 (0.43) | .036" (.914 mm) |
| 40-450-LPI | 18 | 40 VCT @ 450 mA | 20 V @ 900 mA | 1.18" (30.0 mm) | 0.95 (0.43) | .036" (.914 mm) |
| 56-320-LPI | 18 | 56 VCT @ 320 mA | 28 V @ 640 mA | 1.18" (30.0 mm) | 0.95 (0.43) | .036" (.914 mm) |
| 230-75-LPI | 18 | 230 VCT @ 75 mA | 115 V @ 150 mA | 1.18" (30.0 mm) | 0.95 (0.43) | .036" (.914 mm) |
General Specifications:
- Power: 2.5 VA to 18 VA
- Dielectric Strength: 4000 Vrms Hipot
- Primaries: Dual primaries, 115/230 V - 50/60 Hz
- Secondaries: Series or parallel configuration
- Height: 1.050 to 1.22
- Reduced magnetic radiation
Mechanical Specifications:
| VA | Dimensions (Inches/mm) | Weight (lbs/kg) | Self Tap Screw Size | Pin Size (Inches/mm) |
|---|---|---|---|---|
| L x W x H | ||||
| 2.5 | 2.37 x 1.65 x 0.72 (60.2 x 42.1 x 18.3) | 0.27 (0.12) | #4 | .025 (0.635) |
| 6 | 2.37 x 1.65 x 0.89 (60.2 x 42.1 x 22.7) | 0.39 (0.17) | #4 | .025 (0.635) |
| 9 | 2.37 x 1.65 x 1.08 (60.2 x 42.1 x 27.4) | 0.51 (0.23) | #4 | .025 (0.635) |
| 12 | 2.63 x 2.19 x 1.06 (66.8 x 55.6 x 26.6) | 0.75 (0.34) | #6 | .036 (0.914) |
| 18 | 2.63 x 2.19 x 1.18 (66.8 x 55.6 x 30.0) | 0.95 (0.43) | #6 | .036 (0.914) |
Specifications subject to change without notice.
2411272148_Bel-Fuse-12-200-LPI_C17334929.pdf
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