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參數資料
| 型號： | V205ZA-V750ZA |
| 廠商： | Harris Corporation |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; Body Material:Aluminum; Series:PT06; Number of Contacts:21; Connector Shell Size:22; Connecting Termination:Solder; Circular Shell Style:Straight Plug; Circular Contact Gender:Socket; Insert Arrangement:22-21 |
| 中文描述： | 徑向引線金屬氧化物壓敏電阻的低中壓運行 |
| 文件頁數： | 5/12頁 |
| 文件大?。?/td> | 423K |
| 代理商： | V205ZA-V750ZA |
4-38
Power Dissipation Ratings
Should transients occur in rapid succession, the average
power dissipation required is simply the energy (watt-
seconds) per pulse times the number of pulses per second.
The power so developed must be within the specifications
shown on the Device Ratings and Specifications table for the
specific device. Furthermore, the operating values need to
be derated at high temperatures as shown in Figure 1.
Because varistors can only dissipate a relatively small
amount of average power they are, therefore, not suitable for
repetitive applications that involve substantial amounts of
average power dissipation.
1.
FIGURE 1. CURRENT, ENERGY AND POWER DERATING
CURVE
100
90
80
70
60
50
40
30
20
10
0
-55
50
60
70
80
90
100
110
120
130
140
150
AMBIENT TEMPERATURE (
o
C)
P
FIGURE 2. PEAK PULSE CURRENT TEST WAVEFORM
Transient V-I Characteristics Curves
FIGURE 3. CLAMPING VOLTAGE FOR V8ZA05 - V68ZA05
FIGURE 4. CLAMPING VOLTAGE FOR V82ZA05 - V330ZA05
100
90
50
10
O
1
T
T
1
T
2
TIME
P
O
1
= Virtual Origin of Wave
T = Time From 10% to 90% of Peak
T
1
= Virtual Front time = 1.25
t
T
2
= Virtual Time to Half Value (Impulse Duration)
Example: For an 8/20
μ
s Current Waveform:
8
μ
s = T
1
= Virtual Front Time
20
μ
s = T
2
= Virtual Time to Half Value
600
500
400
300
200
190
80
40
30
20
M
PEAK AMPERES (A)
10
-2
10
-1
10
0
10
1
10
2
10
3
MAX CLAMPING VOLTAGE
MODEL SIZE 5mm
8 TO 68V
N(DC)
RATING
T
A
= -55
o
C TO 85
C
10
V68ZA05
V56ZA05
V39ZA05
V22ZA05
V12ZA05
V8ZA05
10
-3
2000
1000
500
200
M
PEAK AMPERES (A)
0.01
0.1
1
10
100
1000
100
0.0001
0.001
V330ZA05
V270ZA05
V240ZA05
V220ZA05
V205ZA05
V180ZA05
V150ZA05
V120ZA05
V100ZA05
V82ZA05
MAX CLAMPING VOLTAGE
MODEL SIZE 5mm
82 TO 330V
N(DC)
RATING
T
A
= -55
C TO 85
C
ZA Series
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相關代理商/技術參數 |
參數描述 |
|---|---|
| V205ZC05P | 功能描述:壓敏電阻 05MM Radial RoHS:否 制造商:EPCOS 產品:MLV 電壓額定值 DC:22 V 電壓額定值 AC:17 V 鉗位電壓:50 V 直徑: 峰值浪涌電流:30 A 浪涌能量額定值:75 mJ 電容:74.2 pF 工作溫度范圍:- 55 C to + 125 C 安裝:SMD/SMT 封裝:Reel |
| V205ZC05PX2855 | 功能描述:RADIAL VARISTOR 05MM RoHS:是 類別:過電壓，電流，溫度裝置 >> TVS - 變阻器，MOV 系列:ZC 標準包裝:400 系列:LU 變阻器電壓:540V 電流 - 浪涌:6.5kA 電路數:1 最大交流電壓:320VAC 最大直流電壓:420VDC 能量:150J 封裝/外殼:圓盤 20mm |
| V205ZS05P | 功能描述:壓敏電阻 RADIAL VARISTOR 5MM ROHS / LEAD FREE RoHS:否 制造商:EPCOS 產品:MLV 電壓額定值 DC:22 V 電壓額定值 AC:17 V 鉗位電壓:50 V 直徑: 峰值浪涌電流:30 A 浪涌能量額定值:75 mJ 電容:74.2 pF 工作溫度范圍:- 55 C to + 125 C 安裝:SMD/SMT 封裝:Reel |
| V205ZS05PX2855 | 功能描述:RADIAL VARISTOR 05MM RoHS:是 類別:過電壓，電流，溫度裝置 >> TVS - 變阻器，MOV 系列:ZS 標準包裝:400 系列:LU 變阻器電壓:540V 電流 - 浪涌:6.5kA 電路數:1 最大交流電壓:320VAC 最大直流電壓:420VDC 能量:150J 封裝/外殼:圓盤 20mm |
| V205ZT05P | 功能描述:壓敏電阻 05MM Radial RoHS:否 制造商:EPCOS 產品:MLV 電壓額定值 DC:22 V 電壓額定值 AC:17 V 鉗位電壓:50 V 直徑: 峰值浪涌電流:30 A 浪涌能量額定值:75 mJ 電容:74.2 pF 工作溫度范圍:- 55 C to + 125 C 安裝:SMD/SMT 封裝:Reel |
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