Differential Mode Dm Filter Ring Core EMI Chokes Toroid Inductor
LGH-T series
A differential toroidal inductor is a type of magnetic component that uses a toroidal (doughnut-shaped) core to achieve inductance in a circuit while minimizing electromagnetic interference (EMI) and enhancing efficiency. Here are some key points about differential toroidal inductors:
Structure and Design
- Toroidal Shape: The core is shaped like a doughnut, allowing for a closed magnetic path. This design helps contain the magnetic field lines and reduces leakage.
- Winding Configuration: Typically, differential toroidal inductors have multiple windings, which can be arranged to create different phases of inductance.
- Differential Inductance: They can be designed to provide differential inductances, which means they can effectively respond to current flowing in opposing directions. This is beneficial in applications where differential signals are present.
Advantages
- Reduced EMI: The toroidal design significantly minimizes electromagnetic interference, which is critical for sensitive electronic applications.
- High Efficiency: Because of the closed magnetic path, energy losses due to leakage inductance are minimized, resulting in higher efficiency.
- Compact Size: Toroidal inductors can achieve high inductance values in a smaller footprint compared to other inductor designs.
Applications
- Power Supplies: Used in switch-mode power supplies and voltage regulation circuits.
- Signal Processing: In audio and RF applications, where the integrity of the signal is key.
- Differential Signaling: Commonly found in circuits that handle differential signals, such as balanced data transmission lines.
Features:
Choke Coil, Small profile with large current
Low resistance , made with MPP. High-flux, Sendust and Iron Powder cores
Prevents noise emission, such as electromagnetic interference(EMI) and radio frequency interference (RFI)
Protects AC side from effects of switching regulators
Wide range of available inductance and current ratings
0.3A-5A ratings, low temperature rise
Application
1.Prevention of noise on signal lines and power lines for computer related or electronic products
2.As a preventive measure against noise terminal voltage or power supply noise in AC/DC DC/DC line noise suppression, TV/VCR unit and communication system.
3.Used in AC/DC, DC/DC Line Noise Suppression, TV/VCR Units and Communication System
4.Video cameras.
5.Audio equipment.
6.TV tuners.
7.Switching power supplies.
| ELECTRICAL CHARACTERISTICS | |||||||
| Type | Inductance (uH)Fl=1KHZ/0.3V |
Tolerance ±20% |
Test Frequency | A | B | C | D |
| T16-26-52 | 1.0uH~10.0uH | 20% | 10.0~100KHZ | 6 | 3.5 | 6 | 2.5 |
| T20-26-52 | 1.0uH~15.0uH | 20% | 10.0~100KHZ | 7 | 4 | 7 | 3 |
| T25-26-52 | 1.0uH~25.0uH | 20% | 10.0~100KHZ | 8.5 | 4.5 | 8.5 | 3.5 |
| T26-26-52 | 2.0uH~30.0uH | 20% | 10.0~100KHZ | 8.5 | 7 | 8.5 | 6 |
| T30-26-52 | 2.0uH~35.0uH | 20% | 10.0~100KHZ | 10 | 5.5 | 10 | 4.5 |
| T37-26-52 | 2.0uH~45.0uH | 20% | 10.0~100KHZ | 12 | 5.5 | 12 | 4.5 |
| T38-26-52 | 3.0uH~50.0uH | 20% | 10.0~100KHZ | 12 | 7 | 12 | 6 |
| T44-26-52 | 5.0uH~60.0uH | 20% | 10.0~100KHZ | 13 | 6 | 13 | 5 |
| T50-26-52 | 5.0uH~60.0uH | 20% | 10.0~100KHZ | 15 | 8 | 15 | 6 |
| T51-26-52 | 5.0uH~70.0uH | 20% | 10.0~100KHZ | 12 | 8.5 | 12 | 7 |
| T60-26-52 | 5.0uH~75.0uH | 20% | 10.0~100KHZ | 18 | 8.5 | 18 | 7 |
| T68-26-52 | 5.0uH~75.0uH | 20% | 10.0~100KHZ | 21 | 8.5 | 21 | 7 |
| T72-26-52 | 5.0uH~80.0uH | 20% | 10.0~100KHZ | 21 | 9 | 21 | 7 |
| T80-26-52 | 5.0uH~80.0uH | 20% | 10.0~100KHZ | 24 | 9 | 24 | 8 |
| T90-26-52 | 5.0uH~80.0uH | 20% | 10.0~100KHZ | 27 | 13 | 27 | 11 |
| T94-26-52 | 5.0uH~80.0uH | 20% | 10.0~100KHZ | 27 | 11 | 27 | 9 |
| T106-26-52 | 5.0uH~80.0uH | 20% | 10.0~100KHZ | 31 | 14 | 31 | 12 |
| T130-26-52 | 0.5mH~3.0mH | 20% | 10.0~100KHZ | 36 | 14 | 36 | 12 |
| T131-26-52 | 0.5mH~3.0mH | 20% | 10.0~100KHZ | 36 | 14 | 36 | 12 |
| T141-26-52 | 0.7mH~3.2mH | 20% | 10.0~100KHZ | 39 | 14 | 39 | 12 |
| T150-26-52 | 1.0mH~3.5mH | 20% | 10.0~100KHZ | 42 | 14 | 42 | 12 |
| T157-26-52 | 1.0mH~3.5mH | 20% | 10.0~100KHZ | 43 | 17 | 43 | 15 |
| T175-26-52 | 1.0mH~3.7mH | 20% | 10.0~100KHZ | 48 | 19 | 48 | 17 |
| T184-26-52 | 1.0mH~3.5mH | 20% | 10.0~100KHZ | 51 | 22 | 51 | 19 |
| T200-26-52 | 2.0mH~4.0mH | 20% | 10.0~100KHZ | 55 | 28 | 55 | 26 |
| T201-26-52 | 2.0mH~4.0mH | 20% | 10.0~100KHZ | 55 | 25 | 55 | 23 |
| T225-26-52 | 2.0mH~4.0mH | 20% | 10.0~100KHZ | 60 | 18 | 60 | 16 |
| T250-26-52 | 2.0mH~4.0mH | 20% | 10.0~100KHZ | 68 | 30 | 68 | 27 |
| T300-26-52 | 2.0mH~4.0mH | 20% | 10.0~100KHZ | 81 | 40 | 81 | 25 |
| T400-26-52 | 2.0mH~4.0mH | 20% | 10.0~100KHZ | 115 | 50.0 | 115 | 30 |
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