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©2009 Littelfuse, Inc.

Specifications are subject to change without notice.

Transient Voltage Suppression Diodes

Revision: January 09, 2009

Axial Leaded – 15000W > 15KPA series

15KPA Series

Please refer to http://www.Littelfuse.com/series/15KPA.html for current information.

1

10

100

1000

0.000001

0.00001

0.0001

0.001

t

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

( )

0

20

40

60

80

100

0

25

50

75

100

125

150

175

200

T

1

100

10000

0.0

50.0 100.0 150.0 200.0 250.0 300.0 350.0

V

Tj=25C

f=1.0MHz

Vsig=50mVp-p

Bi-directional @ V

R

Uni-directional @ V

R

Bi-directional V=0V

Uni-directional V=0V

0

1

2

3

4

5

6

7

8

9

0

25

50

75

100

125

150

175

200

T

L = 0.375” (9.5mm)

Lead Lengths

Figure 1 - Peak Pulse Power Rating Curve

Figure 2 - Pulse Derating Curve

Figure 3 - Test Pulse Waveform

Figure 4 - Typical Junction Capacitance

Figure 5 - Steady State Power Derating Curve

0

50

100

150

200

250

300

350

400

450

110

100

Number of Cycles at 60 Hz

Figure 6 - Maximum Non-Repetitive Forward Surge

Current