2EL2 参数 Datasheet PDF下载

2EL2, 2EL3, 2EL4

BIDIRECTIONAL THYRISTOR OVERVOLTAGE PROTECTORS

AUGUST 1998

absolute maximum ratings, T

A

= 25°C (unless otherwise noted)

RATING

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

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

2EL2

2EL3

2EL4

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

full sine wave, 50/60 Hz, 1 s

2EL2

2EL3

2EL4

Junction temperature

Storage temperature range

-40°C to 65°C

-20°C to 65°C

-40°C to 65°C

T

J

T

stg

I

TSM

10

10

10

-40 to +150

-40 to +150

°C

°C

A rms

-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

I

TSP

125

125

125

100

100

100

A

SYMBOL

VALUE

UNIT

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

A

= 25°C (unless otherwise noted)

PARAMETER

V

(BR)

Breakdown Voltage

TEST CONDITIONS

I

(BR)

= ±20 mA, (see Note 3)

2EL2

2EL2

V

(BO)

Breakover voltage

dv/dt = ±0.2 V/s,

R

SOURCE

> 200

Ω

2EL3

2EL4

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

Impulse reset

135 V O.C., 200 mA S.C.

on-state current 25 A, 10/1000 µs impulse

V

D

= ±50 V (see Note 4)

2EL2

2EL3

2EL4

2EL2

2EL3

2EL4

2EL2

2EL3

I

D

Off-state current

2EL4

V

D

= ±200 V

2EL2

2EL3

2EL4

f = 1 MHz,

C

off

Off-state capacitance

V

d

= 1 Vrms, V

D

= 0,

2EL2

2EL3

2EL4

-40°C to 65°C

+15°C to 25°C

-40°C to 65°C

+15°C to 25°C

-20°C to 65°C

25°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

-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

0°C to 65°C

-40°C to 65°C

-20°C to 65°C

-40°C to 65°C

±215

±200

±265

±265

±400

±350

±350

20

20

20

±0.5

±0.5

±0.5

±10

±1

±10

150

150

150

pF

µA

ms

V

MIN

±245

±265

±400

V

TYP

MAX

UNIT

V

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

PRODUCT

2

INFORMATION