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參數(shù)資料
| 型號： | TISP4X00F3 |
| 廠商： | Bourns Inc. |
| 英文描述： | HIGH VOLTAGE BIDIRECTIONAL THYRISTOR OVERVOLTAGE PROTECTORS |
| 中文描述： | 高壓雙向可控硅過電壓保護器 |
| 文件頁數(shù)： | 6/11頁 |
| 文件大小： | 358K |
| 代理商： | TISP4X00F3 |
NOVEMBER 1997 - REVISED FEBRUARY 2005
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
TISP4600F3, TISP4700F3
The ‘950 family of standards have certain requirements for equipment (EUT) with incoming lines of telecommunication network voltage (TNV).
Any protector from a TNV conductor to protective ground must have a voltage rating of at least 1.6 times the equipment rated supply voltage
(Figure 6). The intent is to prevent the possibility of the a.c. mains supply voltage from feeding into the telecommunication network and
creating a safety hazard. International and European equipment usually have maximum rated voltages of 230 V rms, 240 V rms or 250 V rms.
Multiplying the 250 V value by 1.6 gives a protector VDRM value of 400 V. Allowing for operation down to 0
°
C gives a VDRM requirement of
420 V at 25
°
C. This need is met by the TISP4600F3.
APPLICATIONS INFORMATION
IEC 60950, EN 60950, UL 1950 and CSA 22.2 No.950
LAN Insulation Protection
In Figure 7, a low-voltage protector, Th1, from the TISP40xxL1 series limits the inter-conductor voltage of the LAN and the high-voltage
protector, Th2, limits the insulation stress to 700 V. The four diode bridge, D1 through D4, reduces the capacitive loading of the protectors on
the LAN and means that only one TISP4700F3 is needed to be used for insulation protection of both LAN conductors. Low voltage diodes can
be used as the maximum reverse voltage stress is limited to the V(BO) value of the TISP40xxL1 protector plus the diode forward recovery
voltage.
Figure 6. ’950 TNV Network Insulation from Protective Ground
AC SUPPLY
Protective ground
connection
EUT
Insulation
Overvoltage Protectors
bridging insulation
Telecommunication
network connection
Th2
2 x TISP
4600F3
Th1
AI4XAI
Figure 7. LAN Protection
TISP
40xxL1
LAN
CONDUCTORS
D3
D4
D1
D2
Th1
Th2
TISP
4700F3
AI4XAJ
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相關代理商/技術參數(shù) |
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|---|---|
| TISP4XX0T3BJ | 制造商:BOURNS 制造商全稱:Bourns Electronic Solutions 功能描述:BIDIRECTIONAL THYRISTOR OVERVOLTAGE PROTECTORS |
| TISP4XXXF3LM | 制造商:BOURNS 制造商全稱:Bourns Electronic Solutions 功能描述:BIDIRECTIONAL THYRISTOR OVERVOLTAGE PROTECTORS |
| TISP4XXXH3_M3BJ | 制造商:BOURNS 制造商全稱:Bourns Electronic Solutions 功能描述:LCAS RING AND TIP PROTECTION PAIRS BIDIRECTIONAL THYRISTOR OVERVOLTAGE PROTECTORS |
| TISP4XXXH3BJ | 制造商:BOURNS 制造商全稱:Bourns Electronic Solutions 功能描述:BIDIRECTIONAL THYRISTOR OVERVOLTAGE PROTECTORS |
| TISP4XXXH3LM | 制造商:BOURNS 制造商全稱:Bourns Electronic Solutions 功能描述:BIDIRECTIONAL THYRISTOR OVERVOLTAGE PROTECTORS |
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