Silicon Avalanche Diodes

284

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400W Axial Leaded Transient Voltage Supressors

Ratings and Characteristic Curves TA=25˚C unless otherwise noted

Fig. 5 steady Pulse Derating Curve

TA- Ambient Temperature (˚C)

0

0

25

0.25

50

0.50

75

0.75

100

1.00

125 150 175 200

Fig. 3 Pulse Waveform

0

0

50

100

150

1.0

2.0

3.0

4.0

tr=10µsec

Peak Value

IPPM

Half Value IPPM

2

TJ=25˚C

Pulse Width(td) is defined

as the point where the peak

current decays to 50% of IPPM

10/1000µsec. Waveform

as defined by R.E.A

.375" (9.5mm)

Lead Lengths

60Hz resistive or

inductive load

1.6x1.6x.040"

(40x40x1mm)

td

Fig. 1 Peak Pulse Power Rating

td- Pulse Width (sec.)

0.1µs

1.0µs

10µs

100µs

1.0ms

10ms

0.1

1

10

100

Fig. 2 Pulse Derating Curve

TA- Ambient Temperature (˚C)

0

0

25

25

50

50

75

75

100

100

125 150 175 200

Fig. 8 Typ. Transient Thermal Impedance

td- Pulse Duration (sec.)

0.001

0.01

0.1

1

10

100 1000

1

10

100

Fig. 6- Maximum Non-Repetitive Peak

1

10

50

100

200

10

5

100

Number of Cycles at 60Hz

Forward Surge Uni-Directional Only

TJ=TJ MAX

8.3 Single Half Sine-Wave

(JEDEC Method)

Fig. 4- Typ-Junction Capacitance Uni-Directional

10000

1000

100

10

1.0

5

10

100

200

VWM-Reverse Stand-Off Voltage (V)

T - Time(ms)

Measured at

Zero Bias

TJ=25˚C

f=1.0MHZ

Vsig=50mVp-p

Measured at

Stand-Off

Voltage, VWM

Fig. 7 - Typical Reverse Leakage Characteristics

0.01

0.1

1.0

10

100

0.001

0.01

0.1

1

10

100

1000

CV

RR

- Breakdown Voltage (V)

P4KE Series

®

RoHS