Product Overview
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 | Inductance | Input/Output connections (Nm) | Distribution stock | Compare | Read More | |
|---|---|---|---|---|---|---|---|
| L1 | Input terminal | ||||||
 | RT8121-32-12M8 | 32 | 12.8 | PCB Pin | |||
 | RT8121-40-10M1 | 40 | 10.1 | PCB Pin | |||
 | RT8121-50-8M6 | 50 | 8.6 | PCB Pin | |||
 | RT8121-63-4M4 | 63 | 4.4 | PCB Pin | |||
 | RT8131-25-12M8 | 25 | 12.8 | PCB Pin | |||
 | RT8131-32-10M1 | 32 | 10.1 | PCB Pin | |||
 | RT8131-40-6M3 | 40 | 6.3 | PCB Pin | |||
 | RT8131-50-4M4 | 50 | 4.4 | PCB Pin | |||
 | RT8131-63-2M8 | 63 | 2.8 | PCB Pin | |||
 | RT8521-32-12M8 | 32 | 12.8 | PCB Pin | |||
 | RT8521-40-10M1 | 40 | 10.1 | PCB Pin | |||
 | RT8521-50-8M6 | 50 | 8.6 | PCB Pin | |||
 | RT8521-63-4M4 | 63 | 4.4 | PCB Pin | |||
 | RT8531-25-12M8 | 25 | 12.8 | PCB Pin | |||
 | RT8531-32-10M1 | 32 | 10.1 | PCB Pin | |||
 | RT8531-40-6M3 | 40 | 6.3 | PCB Pin | |||
 | RT8531-50-4M4 | 50 | 4.4 | PCB Pin | |||
 | RT8531-63-2M8 | 63 | 2.8 | PCB Pin |
Features and Benefits
Typical Applications
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
Approvals & Compliances
