參數(shù)資料
型號: P0300EBRP1
英文描述: MCU CMOS 44 LD 4MHZ 8K OTP, -40C to +85C, 44-MQFP, TRAY
中文描述: SIDAC的| 40V的五(公報)最大| 800mA的我(縣)|對92VAR
文件頁數(shù): 56/161頁
文件大?。?/td> 986K
代理商: P0300EBRP1
Digital Transmission Equipment
SIDACtor
Data Book
3 - 16
Teccor Electronics
(972)580-7777
T-1/E-1 Circuit Protection
T-1/E-1 networks offer data rates up to 1.544 Mbps (2.058 for E-1) on a four wire
system. Signal levels on the TX pair are typically between 2.4V and 3.6V while the RX
pair could go as high as 12V. Loop powering is typically +/-130V at 60mA, although
some systems can go as high as 150V.
Protection Circuitry
In Figure 3-17, longitudinal protection is required at the Central Office Terminal (COT)
interface because of the ground connection used with loop powering. This is
accomplished using two P1800SC SIDACtor
s for over voltage protection and two
F1250T TeleLink fuses (one on TIP, one on RING) for over current protection. For the
transceiver side of the coupling transformer, additional over voltage protection is
shown using the P0300SA SIDACtor. For the regenerator where an earth ground
connection is not utilized, only metallic protection is required. Metallic protection is
satisfied using a single P0640SC SIDACtor across TIP and RING and a single F1250T
TeleLink on either Tip or Ring.
Component Selection
The
SC
SIDACtor and F1250T TeleLink were chosen because these components
meet GR 1089 surge immunity requirements without the use of additional series
resistance. The voltage rating of the P1800SC was selected to ensure loop powering
up to 150V. The voltage rating of the P0640SC was selected to ensure coordination
with varying voltage signals.
相關PDF資料
PDF描述
P0300EBRP2 MCU CMOS 44 LD 10MHZ 8K OTP, 0C to +70C, 44-PLCC, TUBE
P0602AARP 18LD 20MHZ .5K EPRM/128 EEPROM, -40C to +85C, 18-PDIP, TUBE
P0602AB 18LD 20MHZ .5K EPRM/128 EEPROM, -40C to +85C, 18-SOIC 300mil, TUBE
P0640SCRP SIDAC|77V V(BO) MAX|800MA I(S)|DO-214AA
P0641SARP 20LD 4MHZ 2K EPRM/128 EEPROM, 0C to +70C, 20-SSOP 208mil, TUBE
相關代理商/技術參數(shù)
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P0300EC 功能描述:硅對稱二端開關元件 500A 25V RoHS:否 制造商:Bourns 轉(zhuǎn)折電流 VBO:40 V 最大轉(zhuǎn)折電流 IBO:800 mA 不重復通態(tài)電流: 額定重復關閉狀態(tài)電壓 VDRM:25 V 關閉狀態(tài)漏泄電流(在 VDRM IDRM 下): 保持電流(Ih 最大值):50 mA 開啟狀態(tài)電壓:5 V 關閉狀態(tài)電容 CO:120 pF 最大工作溫度:+ 150 C 安裝風格:SMD/SMT 封裝 / 箱體:DO-214AA
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P0300ECL 功能描述:硅對稱二端開關元件 500A 22V RoHS:否 制造商:Bourns 轉(zhuǎn)折電流 VBO:40 V 最大轉(zhuǎn)折電流 IBO:800 mA 不重復通態(tài)電流: 額定重復關閉狀態(tài)電壓 VDRM:25 V 關閉狀態(tài)漏泄電流(在 VDRM IDRM 下): 保持電流(Ih 最大值):50 mA 開啟狀態(tài)電壓:5 V 關閉狀態(tài)電容 CO:120 pF 最大工作溫度:+ 150 C 安裝風格:SMD/SMT 封裝 / 箱體:DO-214AA
P0300ECLAP 功能描述:硅對稱二端開關元件 500A 22V RoHS:否 制造商:Bourns 轉(zhuǎn)折電流 VBO:40 V 最大轉(zhuǎn)折電流 IBO:800 mA 不重復通態(tài)電流: 額定重復關閉狀態(tài)電壓 VDRM:25 V 關閉狀態(tài)漏泄電流(在 VDRM IDRM 下): 保持電流(Ih 最大值):50 mA 開啟狀態(tài)電壓:5 V 關閉狀態(tài)電容 CO:120 pF 最大工作溫度:+ 150 C 安裝風格:SMD/SMT 封裝 / 箱體:DO-214AA