參數(shù)資料
型號： LE79R251JC
英文描述： Telecommunication IC
中文描述： 通信集成電路
文件頁數(shù)： 19/22頁
文件大小： 533K
代理商： LE79R251JC
P R E L I M I N A R Y
Le79R251 ISLIC Data Sheet
19
LINE CARD PARTS LIST
The following list defines the parts and part values required to meet target specification limits for channel i of the line card (i =
1,2,3,4).
Note:
1.
Value can be adjusted to suit application.
2.
Can be looser for relaxed ring-trip requirements.
3.
Required for metering > 2.2 Vrms, otherwise may be omitted.
Item
Type
Value
Tol.
Rating
Comments
Components for Internal and External Ringing
U1
Le79R251 device
ISLIC device
U2
Am79X22xx
ISLAC device
U3, U4
B1100CC
100 V
TECCOR Battrax protector
U5, U6
B2100CC
100 V
TECCOR Battrax protector
DHi, DLi, DT1i, DT2i
Diode
100 mA
50
200 k
80.6 k
90 k
69.8 k
1 k
750 k
40.2 k
4.32 k
2.87 k
2.87 k
3.3 nF
100 V
50 ns
RFAi, RFBi
Resistor
2%
2 W
Fusible PTC protection resistors
RSAi, RSBi
Resistor
2%
1/4 W
Sense resistors
RTi
Resistor
1%
1/10 W
RRXi
Resistor
1%
1/10 W
RREF
Resistor
1%
1/10 W
Current reference
RMGLi, RMGPi
Resistor
5%
1 W
Thermal management resistors
RSHB, RSLB
Resistor
1%
1/8 W
RHLai
Resistor
1%
1/10 W
RHLbi
Resistor
1%
1/10 W
RHLci
Resistor
1%
1/10 W
RHLdi
Resistor
1%
1/10 W
CHLbi
Capacitor
10%
10 V
Not Polarized
CHLdi
Capacitor
0.82 μF
3.01 k
6.04 k
2 k
10%
10 V
Ceramic
RMTi
Resistor
1%
1/8 W
RLGi
Resistor
1%
1/8 W
RTEST
Resistor
1%
1 W
Test board
CADi, CBDi
1
Capacitor
22 nF
10%
100 V
Ceramic, not voltage sensitive
CBATHi, CBATLi, CBATPi
Capacitor
100 nF
20%
100 V
Ceramic
CHPi
Capacitor
22 nF
20%
100 V
Ceramic
CS1i, CS2i
1
Capacitor
100 nF
20%
100 V
Protector speed up capacitor
CSSi
3
Capacitor
56 pF
5%
100 V
Ceramic
相關PDF資料
PDF描述
LEA20033 ASIC
LEA20040 ASIC
LEA20046 ASIC
LEA20056 ASIC
LEA20066 ASIC
相關代理商/技術參數(shù)
參數(shù)描述
LE79R70-1DJC 制造商:Microsemi Corporation 功能描述:SLIC 1CH 40DB 110MA 5V 32PLCC - Rail/Tube 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC SLIC 1CH 40DB LGBAL 32PLCC
LE79R70-1DJCT 制造商:Microsemi Corporation 功能描述:1CH SLIC 40DB LGBAL P RV PL32TR 制造商:Microsemi Corporation 功能描述:SLIC 1CH 40DB 110MA 5V 32PLCC - Tape and Reel 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC SLIC 1CH 40DB LGBAL 32PLCC 制造商:Microsemi Corporation 功能描述:IC SLIC 1CH 40DB LGBAL 32PLCC
LE79R70-1FQC 制造商:Microsemi Corporation 功能描述:SLIC 1CH 40DB 110MA 5V 32QFN EP - Trays 制造商:Microsemi Corporation 功能描述:SINGLE SLIC SHORT LOOP LONG-BAL POL REV 制造商:Zarlink Semiconductor Inc 功能描述:SINGLE SLIC SHORT LOOP LONG-BAL POL REV
LE79R70-1FQCT 制造商:Microsemi Corporation 功能描述:SLIC 1CH 40DB 110MA 5V 32QFN EP - Tape and Reel
LE79R70DJC 制造商:Microsemi Corporation 功能描述:SLIC 1CH 40DB 110MA 5V 32PLCC - Rail/Tube 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC SLIC 1CH 40DB LGBAL 32PLCC 制造商:Microsemi Corporation 功能描述:IC SLIC 1CH 40DB LGBAL 32PLCC
發(fā)布緊急采購，3分鐘左右您將得到回復。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*