EMC / EMI Chokes RT Series N

Current-Compensated Chokes - Nanocrystalline Core

RT Series N

Current-Compensated Chokes - Nanocrystalline Core

  • Rated currents from 25 to 63 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
  • Nanocrystalline core for high performance at 10 kHz

Articles

Article Rated Current @ambient (A) Inductance Input/Output connections (Nm) Distribution stock Compare Read More
L1 Input terminal
RT8121-32-12M8 RT8121-32-12M8 3212.802 - PCB Pin
RT8121-40-10M1 RT8121-40-10M1 4010.102 - PCB Pin
RT8121-50-8M6 RT8121-50-8M6 508.602 - PCB Pin
RT8121-63-4M4 RT8121-63-4M4 634.402 - PCB Pin
RT8131-25-12M8 RT8131-25-12M8 2512.802 - PCB Pin
RT8131-32-10M1 RT8131-32-10M1 3210.102 - PCB Pin
RT8131-40-6M3 RT8131-40-6M3 406.302 - PCB Pin
RT8131-50-4M4 RT8131-50-4M4 504.402 - PCB Pin
RT8131-63-2M8 RT8131-63-2M8 632.802 - PCB Pin
RT8521-32-12M8 RT8521-32-12M8 3212.802 - PCB Pin
RT8521-40-10M1 RT8521-40-10M1 4010.102 - PCB Pin
RT8521-50-8M6 RT8521-50-8M6 508.602 - PCB Pin
RT8521-63-4M4 RT8521-63-4M4 634.402 - PCB Pin
RT8531-25-12M8 RT8531-25-12M8 2512.802 - PCB Pin
RT8531-32-10M1 RT8531-32-10M1 3210.102 - PCB Pin
RT8531-40-6M3 RT8531-40-6M3 406.302 - PCB Pin
RT8531-50-4M4 RT8531-50-4M4 504.402 - PCB Pin
RT8531-63-2M8 RT8531-63-2M8 632.802 - PCB Pin

Features and Benefits

Cost-effective PCB designs for up to 100 A with forced cooling
EIS (electrical insulation system E332676) acc. to UL 1446
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

25 to 63 A @ 60°C

Operating frequency

DC to 400 Hz

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)

High potential test voltage

3 kV AC 3s (coil to coil)

Repetition with max. 80% of the HV test voltage

Rated inductance

3 to 13 mH

Operating voltage

300 VAC / 450 VDC (2-line)

600 VAC (3-line)

Overvoltage category

III (acc. IEC 60664-1)

Pollution degree

PD2 (acc. IEC60664-1)

Stray inductance

Max. 0.1% of rated inductance (@ 10 kHz 1 V, 0 A)

Temperature range (operation and storage)

-40°C to +125°C

Climatic category

40/125/56 (acc. IEC 60068-1)

Altitude

2'000 m, current and voltage derating above

Flammability corresponding to

UL 94 V0

Vibration and shock

Vibration: 10 Hz to 55 Hz (24 cycles, according IEC 60938-1)

Shock: 30 g / 18 ms (3 cycles, according IEC 60938-1)

3M4 (according IEC 60721-3-3)

Design corresponding to

UL/IEC 60938-1/-2

UL1446

MTBF (Mil-HB-217F)

>2,000,000 h @ 60°C/300 V

Typical electrical schematic

RT Series N

Approvals & Compliances

RoHS Label
UL 1446 E332676 - Insulation system SCH-155(F)-C
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