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参数资料
| 型号： | 7EL2 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 浪涌电流限制器 |
| 英文描述： | 400 V, 10 A, SILICON SURGE PROTECTOR |
| 封装： | BUTTON CELL PACKAGE-2 |
| 文件页数： | 2/8页 |
| 文件大小： | 234K |
| 代理商： | 7EL2 |
7EL2
BIDIRECTIONAL THYRISTOR OVERVOLTAGE PROTECTORS
2
JANUARY 1999
absolute maximum ratings, TA = 25°C (unless otherwise noted)
RATING
SYMBOL
VALUE
UNIT
Non-repetitive peak on-state pulse current (see Notes 1 and 2)
ITSP
A
5/310 s (ITU-T K28, 10/700 s voltage wave shape)
-20°C to 65°C
400
10/1000 s (GR-974-CORE, 10/1000 s voltage wave shape)
-20°C to 65°C
300
Non-repetitive peak on-state current (see Note 1)
ITSM
10
A rms
full sine wave, 50/60 Hz, 1 s
-40°C to 65°C
Junction temperature
TJ
-40 to +150
°C
Storage temperature range
Tstg
-40 to +150
°C
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, TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V(BR)
Breakdown Voltage
I(BR) = ±20 mA, (see Note 3)
-40°C to 65°C
±245
V
V(BO)
Breakover voltage
dv/dt = ±0.2 V/s,
RSOURCE > 200
+15°C to 25°C
-40°C to 65°C
±265
±400
V
V(BO)
Impulse breakover
voltage
100 V/s
≤ dv/dt ≤ ±1000 V/s,
di/dt
≤ 10 A/s
-40°C to 65°C
±400
V
Impulse reset
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 s impulse
-40°C to 65°C
20
ms
ID
Off-state current
VD = ±50 V (see Note 4)
VD = ±200 V
-40°C to 65°C
±0.5
±10
A
Coff
Off-state capacitance
f = 1 MHz,
Vd = 1 Vrms, VD = 0,
-40°C to 65°C
200
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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