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AK6 range
The new AK6 series of high current transient suppressors have been spe-
cially designed for use in A.C. Line Protection and any demanding applica-
tions (AC or DC).They offer superior clamping characteristics over standard
S.A.D. technologies by virtue of the Littelfuse Foldbaktechnology, which
provides a clamping voltage which is lower than the avalanche voltage (but
above the rated working voltage) 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 cre-
ate very high capacity protection solutions.
Maximum Ratings
Current Rating (IPP) 10KA (see note 1)
Maximum Junction Temp. is 150°C
Storage Temp. -55°C to 175°C
Rated IPP measured with 8 x 20 µsec pulse
Mechanical Characteristics
Epoxy Encapsulated
Axial lead terminals (solderable per MIL-STD-202 Method 208)
Device code and logo marked on every device
Max =
12.7mm SQ
1.27mm
10.0mm max
AK6 -170
16.5mm max
AK6 -190
24mm
lead
centres
Features
Foldbaktechnology for superior clamping factor
Glass Passivated Junction for reliabilty
Bi-directional
Ultra compact: 12 times less volume than traditional discrete solutions
Very Low Clamping Voltage
Sharp Breakdown Voltage
Low Slope Resistance
ELECTRICAL SPECIFICATION @ Tamb 25°C
Par t
Numbers
AK6 - 58
AK6 - 170
AK6 - 190
AK6 - 380
Sta ndof f
Voltage
( VS O)
Volts
Max .
Reser vse
Leakage
( IR) @ VS O
A
Rever se
Bre akdo wn
Voltage (VB R)
@ IT
Min. Max .
Volts Volts
Test
Cur r e n t
(IT )
mA
Max . Clamping
Voltage VC L ) @ Max . Temp
Peak Pulse Coefficient
Current(I PP )
(note 1)
O F VB R
VC L
Volts
IPP
Amps
(%/ o C )
58
20 64 70
10
95 6,000
0.1
170
20
180 220
10
260 6,000
0.1
190
20 200 245 10
290 6,000
0.1
380 20 401 443 10 520 6,000 0.1
Max .
Capacitance
0 Bias
10k Hz
( nF )
6.5
2.5
2.2
2.0
Note 1. Using 8/20µS wave shape pulse as defined in IEC 1000.4.5
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