T-1269 [RHOMBUS-IND]
ISDN U-Interface Transformer; ISDN U接口变压器
| 型号： | T-1269 |
| 厂家： | 
Rhombus Industries Inc. |
| 描述： | ISDN U-Interface Transformer |
| 文件： | 总1页 (文件大小：31K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
ISDN U-Interface Transformer P/ N T-1269
Turns Ratio (PRI : SEC)
(1-2 : 3-4)
1:1.5 : + 1%
1.58 : 1
1 : 1
Schematic Diagram
(5-6 : 7-8)
1
5
24
Ω
Parameter
Min.
Typ.
27
Max.
32.4
Units
mH
2
3
6
7
30Ω
PRI
Inductance 5-8 (6-7, shorted)
21.6
28
SEC
24
Return Loss At 40 kHz
dB
dB
Ω
4
8
Total Harmonic Distortion 1
70
DC Resistance 1 - 2
DC Resistance 3 - 4
DC Resistance 5 - 6
DC Resistance 7 - 8
1.80
1.45
4.00
4.00
2.20
1.80
5.00
5.00
Ω
Ω
Ω
Ω
Hi-Pot
Primary to Secondary
500
VRMS
Designed to meet the requirements
for national ISDN U-INTERFACE
chip TP3410
1. With 90 mADC through SEC and 40 kHz sine wave injected into
the PRI at a level which generates 5V p-p into 135 ohms at the SEC.
.800
(20.32)
.840
(21.34)
Pin Position Grid 0.100 (2.54)
Holes For Bobbin Pins
Holes For Clip Pins
.640
(16.26)
.197
(5.00)
NOM.
Pin Diameter is 0.026 (0.66)
.039
(0.99)
TYP.
Physical
Dimensions
7
6
3
5
4
8
1
inches (mm)
Bottom
View
2
9/8/99
15801 Chemical Lane, Huntington Beach, CA 92649
Phone: (714) 898-0960
Rh om bu s
In du st ries In c.
www.rhombus-ind.com
FAX: (714) 896-0971
Tra nsfo rm e rs & Ma g ne tic Pro d uc ts
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