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參數(shù)資料
| 型號： | WPSCDS-220ETF |
| 元件分類： | 浪涌電流限制器 |
| 英文描述： | 300 V, SILICON SURGE PROTECTOR, DO-214AA |
| 封裝： | LEAD FREE, PLASTIC, SMB, 2 PIN |
| 文件頁數(shù)： | 13/14頁 |
| 文件大?。?/td> | 320K |
| 代理商： | WPSCDS-220ETF |
THYRISTORS
World Products Inc. 19654 Eighth Street East, Sonoma, CA 95476 | Phone (707) 996-5201 | Fax (707) 996-3380 | www.worldproducts.com
Rev. 1.7 (3-30-05)
174 | Protection Products Catalog
Maximum Surge Ratings
(TJ = 25°C UNLESS OTHERWISE NOTED)
Rating
Non-Repetitive Peak Pulse Current
Symbol
IPPS
Short-Circuit
Current Wave
2/10 s
8/20 s
10/160 s
10/560 s
10/1000 s
Open-Circuit
Voltage Wave
2/10 s
1.2/50 s
10/160 s
10/560 s
10/1000 s
C
200 A
150 A
100 A
70 A
50 A
D
300 A
250 A
150 A
100 A
80 A
E
500 A
400 A
250 A
200 A
100 A
Notes
(1,2,4,5,6)
Notes:
1. Thermal accumulation between successive surge tests is not allowed.
2. The device under test initially must be in thermal equilibrium with TJ = 25°C.
3. Test at 1 cycle, 60 Hz.
4. Surge ratings are non-repetitive because instantaneous junction temperatures may exceed the maximum rated TJ. Nevertheless, devices will
survive many surge applications without degradation. Surge capability will not degrade over a device’s typical operating life.
5. Adjust the surge generator for optimum current-wave accuracy when both voltage and current wave specications cannot be exactly met.
The current wave is more important than the voltage wave for accurate surge evaluation.
6. The waveform is dened as A/B ms where:
A: (Virtual front time) = 1.25 X Rise time = 1.25 X (Tb - Ta)
B: (Duration time to 50% level of IPPS) = T1 - T0
Maximum Rated Surge Waveform
Waveform
Standard
Ipp(A)
C type
D type
E type
2 / 10s
GR-1089-CORE
200
300
500
8 / 20s
IEC61000-4-5
150
250
400
10 / 160s
FCC Part 68
100
150
250
10 / 700s
ITU-T K20/21
60
90
160
10 / 560s
FCC Part 68
70
100
200
10 / 1000s
GR-1089-CORE
50
80
100
Waveform of Surge
Current
i
0.9i
0.5i
0.1i
t1
t2
Time
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