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Transient Voltage Suppression Diodes

Speciﬁcations are subject to change without notice.

Revised: 03/04/14

Axial Leaded – 3kA > AK3 series

The AK3 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

Features

Agency Approvals

Electrical Characteristics.(T

=25°C unless otherwise noted)

Note: Using 8/20µS wave shape as deﬁned in IEC 61000-4-5.

AGENCY AGENCY FILE NUMBER

E128662

Maximum Ratings and Thermal Characteristics

=25°C unless otherwise noted)

Parameter Symbol Value Unit

Operating Storage Temperature

Range

STG

(-)55 to 150 °C

Operating Junction Temperature

Range

(-)55 to 125 ºC

Current Rating

3 kA

Note:

1. Rated I

measured with 8/20μs pulse.

• Very low clamping voltage

• Ultra compact: less

than one-tenth the size

of traditional discrete

solutions

• Sharp breakdown voltage

• Low slope resistance

• Bi-directional

• Foldbak technology for

superior clamping factor

• Symmetric in leads width

for easier soldering during

assembly

• IEC-61000-4-2 ESD

15kV(Air), 8kV (Contact)

• ESD protection of data

lines in accordance with

IEC 61000-4-2 (IEC801-2)

• EFT protection of data

lines in accordance with

IEC 61000-4-4 (IEC801-4)

• Halogen-free

• RoHS compliant

• Glass passivated junction

RoHS

AK3 Series

Functional Diagram

Part

Numbers

Part

Marking

Standoff

Voltage

)

Volts

Max.

Reverse

Leakage

) @V

µA

Typical

85°C

(µA)

Reverse

Breakdown

Voltage (V

) @ I

Test

Current

Max. Clamping Voltage

@ I

Peak Pulse

Current (I

) (Note 1)

Max. Temp

Coefﬁcient

OF V

Max.

Capaci-

tance

0 Bias

10kHz

Agency

Approval

Min Volts Max Volts (mA) V

Volts I

Amps (%/°C) (nF)

AK3 - 015C 3-015C 15 10 15 16 19 10 28 3,000 0.1 9.0 X

AK3 - 030C 3-030C 30 10 15 32 37 10 90 3,000 0.1 11. 0 X

AK3 - 058C 3-058C 58 10 15 64 70 10 110 3,000 0.1 6.0 X

AK3 - 066C 3-066C 66 10 15 72 80 10 120 3,000 0.1 6.0 X

AK3 - 076C 3-076C 76 10 15 85 95 10 140 3,000 0.1 6.0 X

AK3 - 150C 3-150C 150 10 15 158 194 10 230 3,000 0.1 2.6 X

AK3 - 170C 3-170C 170 10 15 179 220 10 260 3,000 0.1 2.4 X

AK3 - 380C 3-380C 380 10 15 401 443 10 520 3,000 0.1 2.0 X

AK3 - 430C 3-430C 430 10 15 440 490 10 625 3,000 0.1 2.0 X

Bi-directional

Uni-directional

Cathode

Anode

Additional Information

Datasheet

Samples

Resources

1 2 3 4

Indice de contenidos

Pagina 1 - AK3 Series

Pagina 2 - Current (kA)

Pagina 3 - Percent of V

Pagina 4 - Stand Off Voltage

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