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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. .930 .570 .280 --.005 --.680 .018 ----0° .025 (Inches) Max. Nom. .950 .590 .300 --.015 --.700 .022 ----8° .045 .940 .580 .290 .700 .010 .100 .690 .020 .010 .120 --.035 .030 .100 .085 .750 (Millimeters) Min. Max. Nom. 23.62 14.48 7.11 --.127 --17.28 .457 ----0° .635 --24.14 14.99 7.62 --.381 --17.78 .559 ----8° 1.14 23.88 14.73 7.37 17.78 0.26 2.54 17.53 0.51 0.26 3.05 --0.89 .762 2.54 2.16 19.05
C
E
K
H
F
L G
I
PCA ELECTRONICS, INC. 6799 SCHOENBORN ST. NORTH HILLS, CA 91343
CSA3490G
Rev. -
6/9/98
Product performance is limited to specified parameters. Data is subject to change without prior notice.
TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com
