© EPCOS AG 2009
L
R
mH 39 27 27 10 6.8 3.3 1 0.7 0.4 0.2
I
R
A 0.4 0.5 0.4 0.7 1.2 1.5 2.0 4.0 3.6 6.0
L
stray, typ
µH 450 290 300 110 80 37 13 7 6 2.5
R
typ
mV 2000 1100 1700 550 280 180 80 30 35 15
T
R
°C 40 60 40 60 40 40 40 40 40 40
UL/VDE yes yes yes yes yes yes yes yes yes yes
Ordering code B82721 A/K2401N020 K2501N022 A/K2401N021 A/K2701N020 A/K2122N020 A/K2152N001 A/K2202N001 A/K2402N020 A/K2362N001 K2602N020
Series B82721
Ring Core Chokes for Power Lines
n
Rated current: I
R
at 50 Hz and T
R
n
Rated voltage: 250 V AC (50/60 Hz)
n
Higher inductance or intermediate values possible upon request
n
Approx.1% stray inductance for symmetrical interference suppression
n
Higher rated current I
R
available with series B82722 … B82726
n
Vertical version with lead spacing 5 x 10 mm available (B82721J*)
Current derating I
op
/I
R
versus temperature T Impedance |Z| versus frequency f
Dimensional drawings and pin configurations
Vertical version (B82721J) Vertical version (B82721K) Horizontal version (B82721A)
Tolerances to ISO 2768-C unless otherwise noted. Dimensions in mm.
Important information: It is incumbent on the customer to check and decide whether a product is suitable for use in a particular application.
Our products are described in detail in our dat a shee ts. Our Important n otes and the product-specific Cautions and warnings must be observed.
All relevant information i s av ailable through our sales offices.
