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擄C 鈥?Operating Temperature -40擄C to +85擄C
Part
Number
ST-81144
Turns Ratio
(Pri : Sec 鹵5%)
OCL
(mH MIN)
C
W/W
(pF MAX)
L
L
(碌H MAX)
DCR Pri
(鈩?MAX)
Primary
Pins
9-11, 1-3
1CT:1CT & 1CT:2.4CT
1.00 & 1.00
30 & 30
0.80
&
0.80
0.85 & 0.85
Mechanical
.350
8,89
.075
4,45
.010
0,25
.450
MAX
11,43
.360 MAX
9,14
Sumlink
ST-81144
(DATE CODE)
.260 MAX
6,60
.328
8,33
.050
1,27
0擄鈥?8擄
16X .029 鹵 .001
0,74 鹵 0,03
.050
1,27
.350
8,90
SUGGESTED PAD LAYOUT
Dimensions:
Inches
mm
Unless otherwise specified, all tolerances are 鹵 .010
0,25
.220 MAX
5,59
.018 鹵 .002
16X 0,46 鹵 0,05
.004/0,10
16 SURFACES
Schematics
1
2
3
6
7
8
16
15
14
11
10
9
Sumlink Technology Co., Ltd
TEL:86-755-83274922, 83645328 FAX:86-755-83274735
www.Sumlink.com.cn
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