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ISDN S - Interface Low Profile SMT Dual Transformer EPA3490G
• Meets Pulse Waveform Template of CCITT 1.430 • with recommended Chip Pair AT&T/Lucent T7250/6/9 and Motorola MC145474/5 • 2000 Vrms Isolation • • Operating Temp. 0°C - 70°C •
ELECTRONICS INC.
Electrical Parameters @ 25° C
OCL (mH Min.) Pins 1-4,5-8 (Pri.) Leakage Inductance (µH Max.) A &B (Sec.) Interwinding Capacitance (pF Max.) A&B 100 Distributed Capacitance (pF Max.) A &B (Pri.) 110 Turns Ratio (Pri : Sec ±2%) A&B 1:2.5 I dc (mA Max.) A&B 1 DCR (Ω ±25%) Pri Sec 5.3
22
40
2.4
Schematic
A B 12 11 10 9
Package
A J Pin 1 I.D. N
Sec. (Chip Side) Pri. (Line Side)
16 15 14 13
1
2 3
4
5
6 7
8
PCA EPA3490G D.C. D
B
Q
Solder Pad Layout
P
Dimensions
M
Dim. A B C D E F G H I J K L M N P Q Min.