Epcos B 82791 – G 15, B 82791 – H 15 Service Manual

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B82791-G15Chokes for Data and Signal Lines

Double Chokes B82791-H15

Rated voltage 42 Vac/80 Vdc
Rated current 100 mA
Rated inductance 2,2 to 38 mH

Construction

■ Current-compensated ring core double choke with ferrite core

■ Plastic case

Features

■ Vertical or horizontal version

■ Case flame-retardant as per UL 94 V-0

Applications

■ Suppression of asymmetrical interference

coupled in on data lines, already effective
at 10 kHz, e.g. in
– telephone lines (analog, ISDN)
– interfaces with symmetrical data transmission
– Building services automation (EIB bus)
– automation engineering

Terminals

■ Pins fitting standard PCB grid

Marking

Ordering code, rated inductance,
manufacturer, date of manufacture (month, year)

293 04/00

Dimensional drawing
Vertical version Horizontal version

B82791-H15 B82791-G15

ø0,6

15±0,2

17,7 max.

B82791-G15Chokes for Data and Signal Lines

B82791-H15Double Chokes

SSB0174-Z

8 max.2,8+0,5

10±0,2

17,7 max.

SSB1553-7

General technical data

Rated voltage

V

R

42 Vac (50/60 Hz)

80 Vdc
Rated current
Rated inductance

I

R

L

R

Referred to 50 Hz and 60 °C ambient temperature

Measured with HP 4275A

at 10 kHz and 0,1 mA

(specified per winding)
Inductance tolerance ± 30 %

for H15-A16: – 25/+ 35 %
Inductance decrease ∆L/
Stray inductance
DC resistance

R

typ

L

0

L

S

< 10 % at dc magnetic bias with

Measured at 10 kHz and 5 mA

I

R

Typical values, measured at 20 °C ambient temperature
Climatic category 40/125/56 (– 40 °C/+ 125 °C/56 days damp heat test)

in accordance with IEC 60068-1
Weight Approx. 4 g

294 04/00