T-1280 [RHOMBUS-IND]
ISDN U-INTERFACE TRANSFORMER; ISDN U接口变压器
| 型号： | T-1280 |
| 厂家： | 
Rhombus Industries Inc. |
| 描述： | ISDN U-INTERFACE TRANSFORMER |
| 文件： | 总1页 (文件大小：22K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
ISDN U-INTERFACE TRANSFORMER
Turns Ratio (9-7), (connect 10-6) : (5-1)
1.50 : 1
PARAMETER
MIN.
MAX.
UNITS
1
Primary Inductance
73
98
mH
Flammability: Materials used in
the production of these units
meet requirements of UL94-VO
and IEC 695-2-2 needle flame
test.
Pins 10 to 6 with 9 & 7 shorted.
Return Loss (10-25 kHz)
20
10.4
5.2
dB
ohms
ohms
VRMS
mA
DC Resistance (10-6) (Connect 9-7)
DC Resistance (5-1)
15.6
7.8
A Surface Mount Version of this
part is available
add suffix "G" to part number
Isolation (Hi-Pot) (Line to Chip)
IDC
2000
40
Longitudinal Balance 281 Hz - 40 kHz
55
dB
Use with Lucent Technologies
chip sets T7256, T7234, T7237,
and T7264.
Above 40 kHz
-20 dB/decade
Surge Voltage Capability
Metallic. @ 800 V Peak 10/700 µsec
Long. @ 2400 V Peak 10/560 µsec
1.070
(27.18)
Physical Dimensions
inches (mm)
.470
(11.94)
MAX.
REF.
.900
.100
(2.54)
MIN.
(22.86)
REF.
10
9
1
2
3
4
5
Bottom View
.040
.920
(23.37)
MAX.
(1.02)
TYP.
Top View
8
7
.150
(3.81)
TYP.
6
.800
(20.32)
Terminal Dimensions
.020 (.051) X .040 (1.02) Typical.
Termination Numbers for Reference Only.
Notch Indicates Pin #1
Schematic Diagram
Pri
Sec
9
5
1
6
Line
Side
Chip
Side
10
T-1280
RHOMBUS P/N:
CUST P/N:
NAME:
7
DATE: 8/23/99
SHEET:
1 of 1
15801 Chemical Lane, Huntington Beach, CA 92649
Phone: (714) 898-0960
Rh om bu s
In du st ries In c.
FAX: (714) 896-0971
Tra nsfo rm e rs & Ma g ne tic Pro d uc ts
www.rhombus-ind.com
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