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參數(shù)資料
| 型號： | 7EL2 |
| 廠商： | Power Innovations International, Inc. |
| 英文描述： | BIDIRECTIONAL THYRISTOR OVERVOLTAGE PROTECTORS |
| 中文描述： | 雙向可控硅過電壓保護器 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大小： | 199K |
| 代理商： | 7EL2 |
7EL2
BIDIRECTIONAL THYRISTOR OVERVOLTAGE PROTECTORS
JANUARY 1999
2
P R O D U C T I N F O R M A T I O N
absolute maximum ratings, T
A
= 25°C (unless otherwise noted)
RATING
SYMBOL
VALUE
UNIT
Non-repetitive peak on-state pulse current (see Notes 1 and 2)
5/310 μs (ITU-T K28, 10/700 μs voltage wave shape)
10/1000 μs (GR-974-CORE, 10/1000 μs voltage wave shape)
Non-repetitive peak on-state current (see Note 1)
full sine wave, 50/60 Hz, 1 s
Junction temperature
Storage temperature range
I
TSP
A
-20°C to 65°C
-20°C to 65°C
400
300
I
TSM
T
J
T
stg
10
A rms
°C
°C
-40°C to 65°C
-40 to +150
-40 to +150
NOTES: 1. The surge may be repeated after the device has returned to thermal equilibrium.
2. Most PTT’s quote an unloaded voltage waveform. In operation the 7EL2 essentially shorts the generator output. The resulting
loaded current waveform is specified.
electrical characteristics for the T and R terminals, T
A
= 25°C (unless otherwise noted)
PARAMETER
Breakdown Voltage
TEST CONDITIONS
MIN
±245
±265
TYP
MAX
UNIT
V
V
(BR)
I
(BR)
= ±20 mA, (see Note 3)
-40°C to 65°C
+15°C to 25°C
-40°C to 65°C
V
(BO)
Breakover voltage
dv/dt = ±0.2 V/s,
R
SOURCE
> 200
±400
V
V
(BO)
Impulse breakover
voltage
100 V/μs
≤
dv/dt
≤
±1000 V/μs,
di/dt
≤
10 A/μs
Sources are 52.5 V O.C., 260 mA S.C. and
135 V O.C., 200 mA S.C.
on-state current 25 A, 10/1000 μs impulse
V
D
= ±50 V (see Note 4)
V
D
= ±200 V
f = 1 MHz,
V
d
= 1 Vrms, V
D
= 0,
-40°C to 65°C
±400
V
Impulse reset
-40°C to 65°C
20
ms
I
D
Off-state current
-40°C to 65°C
-40°C to 65°C
-40°C to 65°C
±0.5
±10
200
μA
C
off
Off-state capacitance
pF
NOTES: 3. Meets Bellcore GR-974-CORE Issue 1, November 1994 - Rated Voltage Test (4.7)
4. This device is sensitive to light. Suggest that this parameter be measured in a dark environment
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