參數(shù)資料
型號： P0080SCRP
英文描述： SIDAC|25V V(BO) MAX|800MA I(S)|DO-214AA
中文描述： SIDAC的| 25V的五（公報）最大| 800mA的我（縣）|的DO - 214AA
文件頁數(shù)： 69/161頁
文件大?。?/td> 986K
代理商： P0080SCRP
SIDACtor
Data Book
Secondary Protection
Teccor Electronics
(972) 580-7777
3 - 29
R
$
Secondary Protectors
Secondary protectors are adjunct devices (they can be either stand alone units or
integrated into strip protectors and UPS
’
) used to enhance the protection level of
customer premise equipment (CPE). Due to the inadequate level of protection being
designed into CPE, secondary protectors are often required to help prevent premature
failure of equipment that is exposed to environmental hazards (Figure 3-31).
Protection Requirements
Secondary protectors should be able to withstand over-voltages that can exceed 800V
and surge currents of up to 100A. In Figure 3-32, the SIDACtor was chosen because
the associated peak pulse current (I
PP
) is great enough to withstand the lightning
immunity tests of FCC Part 68 without the additional use of series line impedance.
Likewise, the fuse in Figure 3-32 was chosen because the amps
2
time (I
2
t) rating is
large enough to withstand the lightning immunity tests of FCC Part 68, but small
enough to pass UL power cross conditions.
Applicable Regulatory Requirements
UL 497A
Secondary Protection Reference Circuit
Figure 3-32 is an example of an interface design for a secondary protector. The
P3203AB SIDACtor is used because the peak off-state voltage (V
DRM
) is greater than
the potential of a Type B ringer signal superimposed on the POTS (plain old telephone
service) battery.
150V
RMS
√
2 + 56.6Vpk = 268.8Vpk
Coordination between the station protector and the secondary protector occurs due to
the line impedance between the two devices (Figure 3-31). The line impedance helps
ensure that the primary protector will begin to conduct while the secondary protector
limits any of the let through voltage to within the V
S
rating of the SIDACtor.
相關PDF資料
PDF描述
P0300EA MCU CMOS 44 LD 4MHZ 8K OTP, 0C to +70C, 44-PLCC, TUBE
P0300EARP1 SIDAC|40V V(BO) MAX|800MA I(S)|TO-92VAR
P0300EARP2 MCU CMOS 40 LD 4MHZ 8K OTP, -40C to +125C, 40-PDIP, TUBE
P0300EB MCU CMOS 40 LD 4MHZ 8K OTP, -40C to +85C, 40-PDIP, TUBE
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相關代理商/技術參數(shù)
參數(shù)描述
P0080SD 制造商:LITTELFUSE 制造商全稱:Littelfuse 功能描述:High Surge Current (D-rated) SIDACtor Device
P0080SDL 制造商:LITTELFUSE 制造商全稱:Littelfuse 功能描述:gas plasma arresters-package dimensions/specifications
P0080SDLRP 功能描述:硅對稱二端開關元件 HIGH SURGE 6V 1000A RoHS:否 制造商:Bourns 轉折電流 VBO:40 V 最大轉折電流 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
P0080SDRP 功能描述:硅對稱二端開關元件 1000A 6V RoHS:否 制造商:Bourns 轉折電流 VBO:40 V 最大轉折電流 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
P0080SX 制造商:MERITEK 制造商全稱:MERITEK ELECTRONICS CORPORATION 功能描述:Low Capacitance, Super Low Clamping Voltage Transient Voltage Suppressors
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