B78304B114 Datasheet, PDF (1/2 Pages) EPCOS – ISDN Transformer

ISDN Transformer
S_2M Interface
Application
I Use in PBX and NT
I Matched to coaxial 75 W lines
Feature
I Complies with CCITT G.703
Marking
I Manufacturer, middle block of ordering code,
date code
Packing
I 16-mm blister tape
I Packing unit: 900 pcs.
Pinning
E 6,3
B78304B114*A003
1 max.
9 max.
5
6
3
4
1
2
FIN0178-J
Layout recommendation
* = external connection
1,2
9,5
FIN0179-R
Technical data (electrical specifications at 25 °C)
Ordering code
Type/Core
N₁ : N₂ : N₃
L_H
L_S (typ.)
R_{DC (Line)} (typ.)
R_{DC (IC)} (typ.)
V_T
Operating temperature range
mH
mH
W
W
kV_AC
°C
B78304B1144A003
E6,3 Transmitter
0,55 : 1 : 1
0,38 +55/–45 %
0,2
0,5
1,5
0,3
–25/+85
B78304B1145A003
E6,3 Receiver
1:1:1
1,43 +55/–45 %
0,8
1,0
2,0
0,3
–25/+85
22 04/02