
Transient Voltage Suppression Diodes
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/04/14
Axial Leaded – 6kA > AK6 series
AGENCY AGENCY FILE NUMBER
E128662
The AK6 series of high current transient suppressors have
been specially designed for use in A.C. line protection and
any demanding applications (AC or DC).They offer superior
clamping characteristics over standard S.A.D. technologies
by virtue of the Littelfuse Foldbak technology. Therefore,
any voltage rise due to increased current conduction is
contained to a minimum, providing the best possible
protection level. They can also be connected in series and/
or parallel to create very high capacity protection solutions.
Description
Agency Approvals
Maximum Ratings and Thermal Characteristics
(T
A
=25°C unless otherwise noted)
Electrical Characteristics.(T
A
=25°C unless otherwise noted)
Note: Using 8/20µS wave shape as defined in IEC 61000-4-5.
Parameter Symbol Value Unit
Operating Junction and
Storage Temperature Range
T
J ,
T
STG
(-)55 to 150 °C
Current Rating
1
I
PP
6 kA
Note:
1. Rated I
PP
measured with 8/20μS pulse.
Features
RoHS
AK6 Series
• Verylowclampingvoltage
• Ultracompact:less
than one-tenth the size
of traditional discrete
solutions
• Sharpbreakdownvoltage
• Lowsloperesistance
• Bi-directional
• Foldbaktechnologyfor
superior clamping factor
• Symmetricinleadswidth
for easier soldering during
assembly
• IEC-61000-4-2ESD
15kV(Air), 8kV (Contact)
• ESDprotectionofdata
lines in accordance with
IEC 61000-4-2 (IEC801-2)
• EFTprotectionofdata
lines in accordance with
IEC 61000-4-4 (IEC801-4)
• Halogen-free
• RoHScompliant
• Glasspassivatedjunction
Functional Diagram
Part
Numbers
Part
Marking
Standoff
Voltage
(V
SO
)
Volts
Max.
Reverse
Leakage
(I
R
) @V
SO
µA
Typical
I
R
@
85°C
(µA)
Reverse
Breakdown
Voltage (V
BR
) @ I
T
Test
Current
I
T
Max. Clamping Voltage
V
CL
@ I
pp
Peak Pulse
Current (I
PP
) (Note 1)
Max. Temp
Coefficient
OF V
BR
Max.
Capaci-
tance
0 Bias
10kHz
Agency
Approval
Min Volts Max Volts (mA) V
CL
Volts I
PP
Amps (%/°C) (nF)
AK6 - 030C 6-015C 30 10 15 32 37 10 90 6,000 0.1 11. 0 X
AK6 - 058C 6-030C 58 10 15 64 70 10 110 6,000 0.1 8.0 X
AK6 - 066C 6-058C 66 10 15 72 80 10 120 6,000 0.1 6.0 X
AK6 - 076C 6-066C 76 10 15 85 95 10 140 6,000 0.1 6.5 X
AK6 - 170C 6-076C 170 10 15 180 220 10 260 6,000 0.1 2.8 X
AK6 - 190C 6-150C 190 10 15 200 245 10 290 6,000 0.1 2.5 X
AK6 - 240C 6-170C 240 10 15 250 285 10 340 6,000 0.1 2.0 X
AK6 - 380C 6-380C 380 10 15 401 443 10 520 6,000 0.1 1. 4 X
AK6 - 430C 6-430C 430 10 15 440 490 10 625 6,000 0.1 1. 0 X
Bi-directional
Uni-directional
Cathode
Anode
Additional Information
Datasheet
Samples
Resources
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