DATASHEET
Saturating Chokes RI series
Rated currents from 1.5 to 25 A
Up to 500 VAC operating voltage
DC to 1 kHz frequency
Single or dual-choke configurations
Performance indicators
Technical specifications
Maximum continuous operating voltage
500 VAC @ 40°C
Rated currents
1.5 to 25 A @ 40°C max.
High potential test voltage
winding-to-winding @ 25°C
2500 VAC, 60 sec, guaranteed
and/or winding-to-inserts
2500 V, 50 Hz, 2 sec, factory test
Surge current @ 10 msec
20 x I
N
@ 25°C
Temperature range (operation and storage)
-25°C to +110°C (25/110/21)
Flammability corresponding to
UL 94 V-0
MTBF @ 40°C/230 V (Mil-HB-217F)
>5,000,000 hours
Approvals
RI saturating type chokes change impedance at the
moment of switching, and can be used to attenuate
differential-mode noise or symmetrical interference
as generated in fast switching high current
applications. These chokes are typically used in
conjunction with suppression capacitors. For
optimum attenuation chokes must be connected as
close as possible to the semiconductor switching
device.
Features and benefits
Excellent thermal behavior
Through hole or wire connections
Single or dual-choke configurations
Up to 25 A single configuration
Custom-specific versions are available on request
Typical applications
Suppressing high interference levels generated by
fast switching circuits
DC voltage smoothing
EMC/EMI filters
Phase angle control circuits
Power supplies
Chargers
Typical electrical schematic
