ST-81144 Datasheet, PDF (1/1 Pages) List of Unclassifed Manufacturers – T1/CEPT/ISDN PRI TRANSFORMERS

T1/CEPT/ISDN-PRI TRANSFORMERS
FEATURES
Small surface mount package
Dual SMT package contains both transmit and receive transformers
Models matched to leading transceiver ICs
Isolation Voltage:1500 Vrms
Electrical Specifications @ 25°C — Operating Temperature -40°C to +85°C
Part
Number
ST-81144
Turns Ratio
(Pri : Sec ±5%)
1CT:1CT & 1CT:2.4CT
OCL
(mH MIN)
1.00 & 1.00
C_W/W
(pF MAX)
30 & 30
LL
(µH MAX)
DCR Pri
(Ω MAX)
Primary
Pins
0.80 & 0.80 0.85 & 0.85 9-11, 1-3
Mechanical
.450
11,43
MAX
.360 _MAX
9,14
Sumlink
ST-81144
(DATE CODE)
.260 _MAX
6,60
.050
1,27
.350
8,90
Dimensions: ^Inches
mm
Unless otherwise specified, all tolerances are ± ^.010
0,25
.350
.075
8,89
4,45
.010
.050
0,25
.328
1,27
8,33
16X
.029
0,74
±
±
.001
0,03
SUGGESTED PAD LAYOUT
.220
5,59
MAX
16X
.018
0,46
±
±
.002
0,05
Schematics
0°– 8°
.004/0,10
16 SURFACES
1
16
2
15
3
14
6
11
7
10
8
9
Sumlink Technology Co., Ltd
TEL:[phone] FAX:[phone] www.Sumlink.com.cn