Littelfuse AK3 Series Manual de usuario descargar pdf (Pagina 3)

Transient Voltage Suppression Diodes

Speciﬁcations are subject to change without notice.

Revised: 03/04/14

Axial Leaded – 3kA > AK3 series

Dimensions

Dimensions Inches Millimeters

A 0.951 +/- 0.040 24.15 +/- 1.00

B 0.094 +/- 0.024 2.40 +/- 0.60

C 0.236 +/- 0.039 6.00 +/- 1.00

D 0.433 max. 11.0 max.

E 0.050 +/- 0.002 1.27 +/- 0.05

F 0.374 max. 9.50 max.

-015C 0.093 +/- 0.039 2.36 +/- 1.00

-030C/-066C 0.130 +/- 0.047 3.30 +/- 1.20

-058C/-076C 0.168 +/- 0.047 4.27 +/- 1.20

-150C 0.383 +/- 0.047 9.72 +/- 1.20

-170C 0.420 +/- 0.047 10.67 +/- 1.20

-380C 0.547 +/- 0.047 13.90 +/- 1.20

-430C 0.583 +/- 0.047 14.80 +/- 1.20

L1/L2

L1 = L2 tolerance +/- 0.047 inch (+/- 1.20 mm)

Figure 7 - Surge Response (8/20 Surge current waveform)

Voltage

Current

Time (µs)

Note:

The power dissipation causes a change in avalanche

voltage during the surge and the avalanche voltage

eventually returns to the original value when the

transient has passed.

Figure 8 - Pulse Waveform

100

Peak

Value

Half Value

t – Time (µs)

– Peak Pulse Current – %I

= rise time to peak value

= decay time to half value

x t

=8/20µs

0.1

1000

0.00001 0.0001 0.001

PPM

-Peak Pulse Power (kW)

-Pulse Width (sec.)

100

AK3-076C

8/20µs

10/350µs

10/1000µs

Figure 5 - Typical Peak Pulse Power Rating Curve Figure 6 - Typical V

Vs Junction Temperature

-8

-6

-4

-2

-50 -25025 50 75 100 125

Percent of V

Change

Junction Temperature(T

)

1 2 3 4

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Littelfuse AK3 Series Manual de usuario Pagina 3

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