SMAJ54 データシートの表示（PDF） - Daesan Electronics Corp.

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SMAJ54

POWER 400Watts VOLTAGE 5.0 to 188 Volts

Daesan Electronics Corp. 

SMAJ5.0 THRU SMAJ188CA

POWER 400Watts

VOLTAGE 5.0 to 188 Volts

Features

· Plastic package has Underwriters Laboratory

flammability classification 94V-0

· Optimized for LAN protection applications

· Ideal for ESD protection of data lines in accordance with

IEC 1000-4-2 (IEC801-2)

· Ideal for EFT protection of data lines in accordance with

IEC 1000-4-4 (IEC801-4)

· Low profile package with built-in strain relief for surface

mounted applications

0.058(1.47)

0.052(1.32)

· Glass passivated junction

· Low incremental surge resistance, excellent clamping

capability

· 400W peak pulse power capability with a 10/1000μS

waveform, repetition rate(duty cycle) : 0.01% (300W above 78V)

· Very fast response time

· High temperature soldering guaranteed : 250℃/10 seconds

0.090(2.29)

at terminals

0.078(1.98)

DO-214AC (SMA)

0.177(4.50)

0.157(3.99)

0.110(2.79)

0.100(2.54)

0.012(0.31)

0.006(0.15)

Mechanical Data

· Case : JEDEC DO-214AC(SMA) molded plastic

over passivated chip

· Terminals : Solder plated , solderable per

MIL-STD-750, method 2026

· Polarity : For uni-directional types the band denotes

the cathode, which is positive with respect to the

anode under normal TVS operation

· Mounting Position : Any

· Weight : 0.002 ounce, 0.064 gram

0.060(1.52)

0.030(0.76)

0.005(0.127)

MAX.

0.208(5.28)

0.194(4.93)

Dimensions in inches and (millimeters)

Devices For Bidirectional Applications

· For bi-directional devices, use suffix C or CA (e.g. SMAJ10C, SMAJ10CA).

Electrical characteristics apply in both directions.

Maximum Ratings And Electrical Characteristics

(Ratings at 25℃ ambient temperature unless otherwise specified)

Peak pulse power dissipation with a 10/1000μS waveform (Note 1,2. Fig. 1)

Peak pulse current with a waveform (Note 1)

Peak forward surge current, 8.3mm single half sine-wave unidirectional only (Note 2)

Typical thermal resistance, junction to ambient (Note 3)

Typical thermal resistance, junction to lead

Operating junction and storage temperature range

Symbols

PPPM

IPPM

IFSM

RθJA

RθJL

TJ,TSTG

Values

400

See next table

40

120

30

-55 to +150

Notes:

(1) Non repetitive current pulse, per Fig.3 and derated above TA=25℃ per Fig.2 Rating is 300W above 78V

(2) Mounted on 0.2×0.2"(5.0×5.0mm) copper pads to each terminal

(3) Mounted on minimum recommended pad layout

Units

Watts

Amps

Amps

℃/W

℃/W

℃

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