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TISP8250

更新时间： 2024-11-05 04:28:23
品牌 Logo 应用领域
伯恩斯 - BOURNS 过电流保护
页数 文件大小 规格书
4页 180K
描述
UNIDIRECTIONAL P-GATE THYRISTOR OVERVOLTAGE AND OVERCURRENT PROTECTOR

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中文翻译

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TISP8250 数据手册

 浏览型号TISP8250的Datasheet PDF文件第2页浏览型号TISP8250的Datasheet PDF文件第3页浏览型号TISP8250的Datasheet PDF文件第4页 
T
TISP8250D  
N
IA  
L
P
S
M
N
E
O
L
IO  
C
B
S
S
oH  
A
R
UNIDIRECTIONAL P-GATE THYRISTOR  
OVERVOLTAGE AND OVERCURRENT PROTECTOR  
E
IL  
V
A
V
*R  
A
TISP8250D Overvoltage and Overcurrent Protector  
Telecommunication System 30 A 10/1000 Protector  
8-SOIC Package (Top View)  
Ion-Implanted Breakdown Region  
- Precise and Stable Voltage  
1
8
7
6
5
G
NC  
NC  
K
A
A
A
A
2
VDRM  
V(BO)  
V
Device Name  
V
3
4
TISP8250D  
250  
340  
MD8XAAA  
NC - No internal connection  
Rated for International Surge Wave Shapes  
IPPSM  
A
Wave Shape  
Standard  
Device Symbol  
2/10  
GR-1089-CORE  
CNET I 31-24  
75  
A
0.5/700  
10/700  
10/1000  
40  
ITU-T K.20/21  
GR-1089-CORE  
40  
30  
Functional Replacement for TPP25011  
.............................................. UL Recognized Component  
G
SD8XAA  
K
Description  
The TISP8250D is a P-gate reverse-blocking thyristor (SCR) designed for the protection of telecommunications equipment against  
overvoltages and overcurrents on the telephone line caused by lightning, a.c. power contact and induction. The fixed voltage and current  
triggered modes make the TISP8250D particularly suitable for the protection of ungrounded customer premise equipment. Connected  
across the d.c. side of a telephone set polarity bridge, in fixed voltage mode these devices can protect the ringer in the on-hook condition.  
In an off-hook condition, either the fixed voltage or current triggered modes can protect the following telephone electronics.  
Without external gate activation, the TISP8250D is a fixed voltage protector. The maximum working voltage without clipping is 250 V and  
the protection voltage is 340 V. Lower values of protection voltage may be set by connecting an avalanche breakdown diode of less than  
250 V between the TISP8250D gate and anode (see Figure 2.)  
By connecting a small value resistor in series with the line conductor and connecting the TISP8250D gate cathode terminals in parallel with  
the resistor, conductor overcurrents can gate trigger the TISP8250D into conduction.  
Overvoltages are initially clipped by breakdown clamping until the voltage rises to the breakover level, which causes the device to crowbar  
into a low-voltage on state. Overcurrents develop sufficient voltage across the external gate-cathode resistor to trigger the device into a  
low-voltage on state. This low-voltage on state causes the current resulting from the overstress to be safely diverted through the device.  
The high crowbar holding current prevents d.c. latchup as the diverted current subsides.  
How To Order  
For Standard  
For Lead Free  
Termination Finish Termination Finish  
Marking  
Code  
Standard  
Quantity  
Device  
Package  
Carrier  
Embossed Tape Reeled  
Tube  
Order As  
TISP8250DR  
TISP8250D  
Order As  
TISP8250DR-S  
TISP8250D-S  
2500  
1500  
TISP8250D  
8-SOIC  
8250  
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex  
JULY 2000 - REVISED MARCH 2005  
Specifications are subject to change without notice.  
Customers should verify actual device performance in their specific applications.  
1234

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