Datasheet B 82794 – C 2 Datasheet (Epcos)

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Quad Chokes

Rated voltage 42 Vac/80 Vdc
Rated current 200 to 300 mA
Rated inductance 4,7 to 10 mH

Construction

■ Current-compensated ring core quad choke with ferrite core

Features

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

■ Suitable for reflow soldering

Applications

■ Suppression of asymmetrical interference coupled in on lines,

whereas data signals up to some MHz can pass unaffectedly

■ Telecom interfaces

■ ISDN systems

Terminals

■ Tinned

Marking

Manufacturer, ordering code,
date of manufacture (month, year)

Delivery mode

Blister tape, reel packing
For details on taping, packing and packing units see page 302

B82794-C2Chokes for Data and Signal Lines

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Quad Chokes

Dimensional drawing

B82794-C2Chokes for Data and Signal Lines

2,2±0,2

2,5±0,1

2,5±0,1 5±0,1

14,9±0,3

14,5 max.

8±0,2

10,8 max.

0˚...6˚

A

16,6±0,4

Layout recommendation

+0,1

Marking

Beschriftung

0,05

_

0,6

0,4+0,1

13,3 max.

max. 0,1

A

SSB1545-G

1,6

2,5 2,55

12

17,6

SSB1461-R

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Quad Chokes

General technical data

B82794-C2Chokes for Data and Signal Lines

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 10 mV

(specified per winding)
Inductance tolerance – 30/+ 50 %
Inductance decrease ∆L/
Stray inductance
DC resistance

R

typ

L

0

L

S

< 10 % at dc magnetic bias with

Measured at 10 kHz and 10 mV

I

R

Typical values, measured at 20 °C ambient temperature
Solderability (215 3) ˚C, (3 0,3) s

wetting of soldering area ≥ 95 %

in accordance with IEC 60068-2-58
Climatic category 40/125/56 (– 40 °C/+ 125 °C/56 days damp heat test)

in accordance with IEC 60068-1
Weight Approx. 2,5 g

Characteristics and ordering codes

L

mH

R

L

nH

S, typ

I

R

mA

R

typ

Ω

V

T

Vdc, 2 s

Ordering code

4,7 900 300 0,9 750 B82794-C2475-N465

10 1100 200 1,3 750 B82794-C2106-N465

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Quad Chokes

Insertion loss αe (typical values atZ = 50 Ω)

asymmetrical, all branches in parallel (common mode)
symmetrical (differential mode)

B82794-C2475-N465 B82794-C2106-N465

50

SSB1480-X

dB

α

e

40

50
dB

α

e

40

B82794-C2Chokes for Data and Signal Lines

SSB1421-X

30

20

10

0

_

10 10 10 10 10MHz

_

2

1

30

20

10

0

210

_

10 10 10 10 10MHz

f

_

2

1

210

f

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