2EL2 datasheet(2/5 Pages) POINN

2 / 5 page

2EL2, 2EL3, 2EL4

BIDIRECTIONAL THYRISTOR OVERVOLTAGE PROTECTORS

AUGUST 1998

P R ODUCT

INF O RM A T I O N

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

5/310 µs (ITU-T K28, 10/700 µs voltage wave shape)

2EL2

2EL3

2EL4

-20°C to 65°C

125

10/1000 µs (GR-974-CORE, 10/1000 µs voltage wave shape)

2EL2

2EL3

2EL4

-20°C to 65°C

100

Non-repetitive peak on-state current (see Note 1)

ITSM

A rms

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

Junction temperature

-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 2ELx 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)

2EL2

-40°C to 65°C

±245

V(BO)

Breakover voltage

dv/dt = ±0.2 V/s,

RSOURCE > 200 Ω

2EL2

2EL3

2EL4

+15°C to 25°C

-40°C to 65°C

+15°C to 25°C

-20°C to 65°C

25°C

±265

±200

±215

±400

±265

V(BO)

Impulse breakover

voltage

100 V/µs

≤ dv/dt ≤ ±1000 V/µs,

di/dt

≤ 10 A/µs

2EL2

2EL3

2EL4

-20°C to 65°C

±400

±350

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 µs impulse

2EL2

2EL3

2EL4

-20°C to 65°C

Off-state current

VD = ±50 V (see Note 4)

VD = ±200 V

2EL2

2EL3

2EL4

2EL2

2EL3

2EL4

-40°C to 65°C

-20°C to 65°C

-40°C to 65°C

15°C to 25°C

0°C to 65°C

±0.5

±10

±1

±10

µA

Coff

Off-state capacitance

f= 1 MHz,

Vd = 1 Vrms, VD = 0,

2EL2

2EL3

2EL4

-40°C to 65°C

-20°C to 65°C

-40°C to 65°C

150

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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