40ST1142CR
40ST1142CR is T1/CEPT(E1)/ISDN-PRI QUAD PORTS TRANSFORMER manufactured by GROUP-TEK.
- Part of the 40ST1142CR-GROUP comparator family.
- Part of the 40ST1142CR-GROUP comparator family.
Features
：
- Eight transformers supports four transmit and four receive channels
- Designed for reflow soldering at temperatures up to 260℃ max.
- Crosstalk:-65d B min.
- Ro HS pliance
Electrical Specification@25℃. Operating Temperature 0 to +70℃
Part No
Turns Ratio (pri:Sec ± 2%)
10KHz 0.1V
OCL (m H min) 10KHz 0.1V
LL (u H max) 100KHz 0.1V
Cww (p F max) 100KHz 0.1V
Primary Pins
Hipot (Vrms min)
Transmit Receive Trans REC Trans REC Trans REC
Transmit
Receive
40ST1142CR 1:2.4
1:1 1.0 1.0 0.5 0.5 35 35 1-2,8-9,11-12,18-19 25-24,28-27,35-34,38-37 1500VAC/1mm A/60S
Dimension:mm(inch)Unless otherwise specified , all tolerance are +/-0.25(0.01)
28.10(1.106)
24.13(0.95)
40ST1142CR R
GROUP-TEK
YYWW
） （）
2.29(0.09) 1.27(0.05)
0.77(0.03)
12.00(0.472)
12.19(0.48)
0.25(0.01)
0-8°
5.25(0.207)
0.25+/-0.15 (0.01+/-0.006)
Schematic:
1.14(0...
