Littelfuse AK6 Series - Manual (Page 3)

Transient Voltage Suppression Diodes
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/04/14
Axial Leaded – 6kA > AK6 series
1
10
100
10000
0.00001 0.0001 0.001
P PPM
-Peak Pulse Power (kW
)
t
d
-Pulse Width (sec.)
1000
AK6-430C
AK6-076C
8/20µs
10/350µs
10/1000µs
Figure 5 - Typical Peak Pulse Power Rating Curve Figure 6 - Typical V
BR
Vs Junction Temperature
-8
-6
-4
-2
0
2
4
6
8
10
12
-50 -25 0 25 50 75 100 125
Percent of
V BR
Change
Junction Temperature(T
j
)
L2 L1
A
G
D
E
F
C
B
C
Dimensions
Dimensions Inches Millimeters
A 0.950 +/- 0.040 24.15 +/- 1.00
B 0.095 +/- 0.024 2.4 +/- 0.60
C 0.236 +/- 0.040 6.00 +/- 1.00
D 0.570 max. 14.48 max.
E 0.050 +/- 0.002 1.270 +/- 0.05
F 0.500 max. 12.70 max.
G - 030C 0.161 +/- 0.040 4.10 +/- 1.00
G - 058C/066C
076C
0.189 +/- 0.040 4.8 +/- 1.00
G - 170C/190C 0.320 +/- 0.040 8.13 +/- 1.00
G - 240C 0.370 +/- 0.040 9.4 +/- 1.00
G - 380C/430C 0.543 +/- 0.040 13.8 +/- 1.00
L1/L2 L1 = L2 tolerance +/- 0.04 inch (1.0 mm)
Figure 7 - Surge Response (8/20 Surge current waveform)
Voltage
Current
Time (µs) Notes:
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
50
100
0
t
r
t
d
0
Peak
Value
Half Value
t – Time (µs)
I PP
– P
eak P
ulse C
ur
ren
t – %I
PP
t
r
= rise time to peak value
t
d
= decay time to half value
t
r x t d
=8/20µs
Figure 8 - Pulse Waveform