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Transient voltage suppression diodes, Axial leaded – 600w > p6ke series, Figure 3 - pulse derating curve – Littelfuse P6KE Series User Manual

Page 4: Figure 4 - pulse waveform, Figure 6 - steady state power derating curve

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Transient Voltage Suppression Diodes

© 2014 Littelfuse, Inc.

Specifications are subject to change without notice.

Revised: 01/24/14

Axial Leaded – 600W > P6KE series

0

20

40

60

80

100

0

25

50

75

100

125

150

175

T

A

-Ambient temperature (ºC)

Peak Pulse Power (P

PP

) or Current (I

PP

)

Derating in Percentage

%

Figure 3 - Pulse Derating Curve

I

PPM

- P

eak P

ulse Cur

rent, %

I

RSM

0

0

50

100

150

1.0

2.0

3.0

4.0

tr=10µsec

Peak Value
IPPM

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

td

t-Time (ms)

Half Value
IPPM

( )

Figure 4 - Pulse Waveform

1

10

100

1000

10000

1.0

10.0

100.0

1000.0

V

BR

- Reverse Breakdown Voltage (V)

Cj

(p

F)

Uni-directional V=0V

Bi-directional V=0V

Uni-directional @VR

Bi-directional @VR

Tj=25C
f=1.0MHz
Vsig=50mVp-p

Figure 5 - Typical Junction Capacitance Uni-Directional

0

1

2

3

4

5

6

0

25

50

75

100 125 150 175 200

St

ea

dy

St

ate

Po

wer

Di

ss

ip

at

io

n

(W

)

L = 0.375” (9.5mm)

Lead Lengths

T

L

-Lead Temperature(ºC)

Figure 6 - Steady State Power Derating Curve

0

20

40

60

80

100

120

1

10

100

Number of Cycles at 60 Hz

I

FSM

- P

eak

Fo

rw

ar

d

Su

rg

e Current

(A

)

Figure 7 - Maximum Non-Repetitive Forward Surge

Current

Ratings and Characteristic Curves

(T

A

=25°C unless otherwise noted)

(Continued)