Current-compensated Chokes
Common Mode Chokes RT series
Current-compensated Chokes
- Rated currents from 6 to 20 A
- Up to 600 VAC and VDC
- 2- and 3-wire configurations
- Horizontal and vertical PCB mounting types
- Ruggedized saturation and thermal behavior
- Open construction for forced and convection cooling
- Straightforward pin-out for easy PCB design
Features and Benefits
Cost-effective PCB designs for up to 32 A with forced cooling *
Compact size and light weight
Low magnetic leakage flux
Excellent winding insulation
Standardized foot print
Broad range of inductance ratings
Custom-specific versions on request
Typical Applications
AC and DC filtering for midsize power range drives, photovoltaic inverters, fast chargers, EV charging stations, UPS and switch mode power supplies
Filter with low leakage current noise or improved immunity against grid disturbances
Electronic devices, automation and (industrial) LED lighting
Communication devices
Medical and laboratory Equipment
Converters
Technical Specifications
Rated currents
16 to 63 A @ 60°C
Rated inductance
0.3 to 6 mH (3-line)
0.5 to 10 mH (2-line)
Stray inductance
Max. 1% of rated inductance (@ 100 kHz 1 V, 0 A)
High potential test voltage
3 kV DC 3s (coil to coil)
Repetition with max. 80% of the HV test voltage
Temperature range (operation and storage)
-40°C to +100°C (6 to 20 A) / -40°C to +125°C (25 to 63 A)
Climatic category
40/100/56 (acc. IEC 60068-1) (6 to 20 A) / 40/125/56 (acc. IEC 60068-1) (25 to 63 A)
Design corresponding to
UL/IEC 60938-1/-2
Overvoltage category
III (acc. IEC 60664-1)
Creepage and clearance distances
Creepage & Clearance (2-line): ≥ 3.5 mm (Coil – Coil) / ≥ 3.0 mm (Coil-Core)
Creepage & Clearance (3-line): ≥ 6.3 mm (Coil – Coil) / ≥ 5.5 mm (Coil-Core)
Pollution degree
PD2 (acc. IEC60664-1)
Altitude
2000 m, current and voltage derating above
Vibration and shock
3M4 (according IEC 60721-3-3)
Flammability according to
UL 94 V0
MTBF
>2’000’000 h (MIL-HDBK-217)
Operating voltage
600 VAC (3-line)
300 VAC/425 VDC (2-line)
Operating frequency
DC to 400 Hz
