2EL2, 2EL3, 2EL4
BIDIRECTIONAL THYRISTOR OVERVOLTAGE PROTECTORS
AUGUST 1998
T = 25°C (unless otherwise noted)
absolute maximum ratings,
A
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)
2EL2
2EL3
2EL4
2EL2
2EL3
2EL4
-20°C to 65°C
-20°C to 65°C
-20°C to 65°C
-20°C to 65°C
-20°C to 65°C
-20°C to 65°C
125
125
125
100
100
100
I
A
TSP
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
2EL2
2EL3
2EL4
-40°C to 65°C
-20°C to 65°C
-40°C to 65°C
10
10
I
A rms
TSM
10
Junction temperature
T
-40 to +150
-40 to +150
°C
°C
J
Storage temperature range
T
stg
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 2ELx essentially shorts the generator output. The resulting
loaded current waveform is specified.
electrical characteristics for the T and R terminals, T = 25°C (unless otherwise noted)
A
PARAMETER
TEST CONDITIONS
= ±20 mA, (see Note 3)
(BR)
MIN
-40°C to 65°C ±245
+15°C to 25°C ±265
-40°C to 65°C
+15°C to 25°C ±200
-20°C to 65°C
25°C ±215
TYP
MAX
UNIT
V
Breakdown Voltage
I
2EL2
2EL2
V
(BR)
±400
V
Breakover voltage
dv/dt = ±0.2 V/s,
R
> 200 Ω
2EL3
V
(BO)
SOURCE
±265
±265
±400
±350
±350
20
2EL4
2EL2
2EL3
2EL4
2EL2
2EL3
2EL4
2EL2
2EL3
2EL4
2EL2
2EL3
2EL4
2EL2
2EL3
2EL4
100 V/µs ≤ dv/dt ≤ ±1000 V/µs,
di/dt ≤ 10 A/µs
-20°C to 65°C
-20°C to 65°C
-20°C to 65°C
-20°C to 65°C
-20°C to 65°C
-20°C to 65°C
-40°C to 65°C
-20°C to 65°C
-40°C to 65°C
-40°C to 65°C
15°C to 25°C
Impulse breakover
voltage
V
V
(BO)
Sources are 52.5 V O.C., 260 mA S.C. and
135 V O.C., 200 mA S.C.
Impulse reset
20
ms
on-state current 25 A, 10/1000 µs impulse
20
V
= ±50 V (see Note 4)
±0.5
±0.5
±0.5
±10
±1
D
I
Off-state current
Off-state capacitance
µA
pF
D
V
= ±200 V
D
0°C to 65°C
±10
150
150
150
f = 1 MHz, V = 1 Vrms, V = 0,
-40°C to 65°C
-20°C to 65°C
-40°C to 65°C
d
D
C
off
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
P R O D U C T
I N F O R M A T I O N
2
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