SR2.8

&

SR3.3

2

05167.R5 6/06

www.protekdevices.com

DEVICE CHARACTERISTICS

0

5

10

15

20

25

30

t - Time - µs

0

20

40

60

80

100

120

TEST

WAVEFORM

PARAMETERS

t

t

t

f

Peak Value I

PP

t

I

FIGURE 2

PULSE WAVE FORM

0.01

1

10

100

1,000

10,000

t

10

100

1,000

10,000

FIGURE 1

PEAK PULSE POWER VS PULSE TIME

300W, 8/20µs Waveform

Storage Temperature

SYMBOL

VALUE

300

Watts

°C

-55°C to 150°C

UNITS

PARAMETER

Peak Pulse Power (tp = 8/20µs) - See Figure 1

Operating Temperature

T

J

-55°C to 150°C

°C

Forward Surge Rating (1/20s @ 25°C, I

1.0

Volts

Peak Pulse Current (tp = 8/20µs)

Amps

30

Note 1: From Pin 4 to 1.

Note 2: From Pin 1 to 3, 1 to 2, 3 to 4, 2 to 4.

PART

NUMBER

DEVICE

MARKING

MINIMUM

SNAP-BACK

VOLTAGE

@ 50mA

V

(SB)

VOLTS

MINIMUM

BREAKDOWN

VOLTAGE

(See Note 1)

@ 2µA

V

(BR)

VOLTS

MAXIMUM

CLAMPING

VOLTAGE

(See Fig. 2)

(See Note 1)

@ I

V

C

VOLTS

TYPICAL

CAPACITANCE

(See Note 2)

@ 0V, 1MHz

C

J(SD)

pF

SR2.8

SR3.3

2A

3A

2.8

3.3

3.0

3.5

5.0

7.0

4.5

4.5

MAXIMUM

CLAMPING

VOLTAGE

(See Fig. 2)

(See Note 1)

@ 8/20µs

V

C

VOLTS

8.5V @ 5A

15V @ 10A

RATED

STAND-OFF

VOLTAGE

(See Note 1)

V

WM

VOLTS

2.8

3.3

1.0

1.0

MAXIMUM

LEAKAGE

CURRENT

(See Note 1)

@ V

WM

I

D

µA