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The single-phase filter is composed of passive components L, C and R, and is widely used in various electronic devices. It mainly provides electromagnetic interference resistance and power noise suppression. Its circuit consists of live wire (L), neutral
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By suppressing high-frequency interference signals in power lines, the single-phase power filter improves the stability, reliability and quality of power output, and extends the service life of electronic equipment. It also effectively prevents electromagnetic interference (EMI) from the power supply from affecting external equipment.
Product Features
Compact size, suitable for installation in confined spaces.
Outstanding EMI suppression performance within the frequency range of 10kHz ~ 30MHz.
This series includes dedicated single-phase DC filters for DC electronic equipment.
Basic Parameters
①Rated Voltage: 110/250VAC (0~500VDC)
②Operating Frequency: 50/60Hz (DC)
③Climate Class: 25/85/21
④Withstand Voltage (Single-phase DC Filter): L-N: 1500VDC / L-E: 1500VDC
⑤Rated Current: 5~200A
⑥Design Standards: GB 15288, GB 15287-2008, UL1283, IEC/EN 60939
Typical Applications
Household appliances, treadmills, automotive industry equipment, office devices, automation equipment, switching power supplies, various single-phase motors, etc.
Circuit Structure Drawing
(General Single-phase Type): More compact size, excellent EMI suppression and noise filtering capability.
(High-performance Single-phase Type): Upgraded performance with superior EMI suppression and noise filtering effect.
Naming Convention for Single-phase Filters
Typical Insertion Loss Curve
① General Single-phase DC Filter
②High-performance Single-phase DC Filter
General & High-performance Single-phase DC Filter Selection Table
General Single-phase DC Filter
| Product Model | Drawing No. | Rated Current (A) | Dimension(±2) | ||||||
| A | B | C | D | H | I | J | |||
| DCF211A3-T1 |  | 3 | 54.5 | 65 | 29 | / | 20 | / | 3.5*5 |
| DCF211A6-T1 | 6 | 54.5 | 65 | 29 | / | 20 | / | 3.5*5 | |
| DCF211A10-T1 | 10 | 75 | 85 | 51 | / | 29 | / | 5 | |
| DCF211A16-F1 |  | 16 | 75 | 85 | 51 | / | 29 | / | 5 |
| DCF211A20-F1 | 20 | 85 | 97 | 38 | 56 | 45 | / | 4 | |
| DCF211A30-F1 | 30 | 85 | 97 | 38 | 56 | 45 | / | 4 | |
| DCF211A50-F3 |  | 50 | 51 | 145 | 115 | 130 | 55 | M6 | 4.5*6.5 |
| DCF211A65-F3 | 65 | 51 | 145 | 115 | 130 | 55 | M6 | 4.5*6.5 | |
| DCF211A80-S1 |  | 80 | 243 | 286 | 80 | 100 | 90 | M8 | 6.5*9.5 |
| DCF211A100-S1 | 100 | 243 | 286 | 80 | 100 | 90 | M8 | 6.5*9.5 | |
| DCF211A150-S1 | 150 | 243 | 295 | 80 | 100 | 90 | M10 | 6.5*9.5 | |
| DCF211A200-S1 | 200 | 243 | 295 | 80 | 100 | 90 | M10 | 6.5*9.5 | |
High-performance Single-phase DC Filter
| Product Model | Drawing No. | Rated Current (A) | Dimension(±2) | ||||||
| A | B | C | D | H | I | J | |||
| DCF211B3-T1 | | 3 | 75 | 85 | 51 | / | 29 | / | 5 |
| DCF211B6-T1 | 6 | 75 | 85 | 51 | / | 29 | / | 5 | |
| DCF211B10-F1 |  | 10 | 85 | 97 | 38 | 56 | 45 | / | 4 |
| DCF211B16-F1 | 16 | 85 | 97 | 38 | 56 | 45 | / | 4 | |
| DCF211B20-F1 | 20 | 85 | 97 | 38 | 56 | 45 | / | 4 | |
| DCF211B30-F1 | 30 | 85 | 97 | 38 | 56 | 45 | / | 4 | |
| DCF211B50-F1 | 50 | 184 | 204 | 60 | 86 | 58 | M4 | 6.5*9.5 | |
| DCF211B65-F1 | 65 | 184 | 204 | 60 | 86 | 58 | M4 | 6.5*9.5 | |
| DCF211B80-S1 |  | 80 | 243 | 286 | 80 | 100 | 90 | M8 | 6.5*9.5 |
| DCF211B100-S1 | 100 | 243 | 286 | 80 | 100 | 90 | M8 | 6.5*9.5 | |
| DCF211B150-S3 |  | 150 | 260 | 395 | 185 | 200 | 90 | M10 | 6.5*9.5 |
| DCF211B200-S3 | 200 | 260 | 395 | 185 | 200 | 90 | M10 | 6.5*9.5 | |