B78386P1127A005 Datasheet, PDF (3/5 Pages) EPCOS – ISDN transformers UK0 interface, 4B3T RM 6, 7.7 mH, 1.32:1.32:1:1

Transformers for information technology (ISDN)
U_K0 interface, 4B3T
B78386P1127A005
RM 6
Technical data and measuring conditions
Main inductance L (1-4)
Stray inductance L_stray (1-4)
Interwinding capacitance C_i (5-1)
Resistance R_{DC (Line)}; R_{DC (IC)}
Test voltage V_test
DC current I_DC
Transmission code
Operating temperature range
Weight
10 kHz, 100 mV, short 2-3
10 kHz, 100 mV, short 2-3, 6-7, 5-8
100 kHz, 100 mV, short 2-3, 6-7
R_DC(Line): short 2-3; R_DC(IC): short 6-7
50 Hz, 1 s; N₁, N₂ against N₃, N₄
With I_DC bias L drops < 5%
4B3T
–25 °C … +85 °C
Approx. 8 g
Characteristics and ordering code
(electrical specifications at 25 °C)
Ordering code
Type/Core
N₁ : N₂ : N₃ : N₄
L
L_stray (typ.)
C_i (typ.)
R_{DC (Line)} (typ.)
R_{DC (IC)} (typ.)
V_test
I_DC (typ.)
B78386P1127A005
RM 6
1.32 : 1.32 : 1 : 1
7.7 ± 10 %
40
45
3.8
3.8
2500
60
mH
μH
pF
Ω
Ω
V AC
mA
Please read Cautions and warnings and
Important notes at the end of this document.
3 10/08