SMAJ51 データシートの表示（PDF） - Unspecified

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SMAJ51

Transient Voltage Suppressor

Unspecified 

SMAJ Series

Transient Voltage Suppressor

Features:

• For surface mounted application.

• Low profile package.

• Built-in strain relief.

• Glass passivated junction.

• Excellent clamping capability.

• Fast response time : Typically less than 1.0 ps from 0 volts to 8 volts min.

• Typical IR less than 1 µA above 10 V.

• High temperature soldering guaranteed : 260°C / 10 s at terminals.

• Plastic material used carried underwriters laboratory flammability classification 94V-0.

• 400 watts peak pulse power capability with a 10 / 1,000 µs waveform (300 W above 78 V).

SMA/DO-214AC

Mechanical Data

Case

Terminals

Polarity

Packaging

: Moulded plastic.

: Pure tin plated, lead free.

: Indicated by cathode band.

: 12 mm tape per EIA std RS-481.

Dimensions : Inches (Millimetres)

Marking Diagram

XX

= Specific device code

G

= Green compound

Y

= Year

M

= Work month

Maximum Ratings and Electrical Characteristics

Ratings at 25°C ambient temperature unless otherwise specified.

Type Number

Symbol

Value

Unit

Peak Power Dissipation at TA = 25°C, Tp = 1 ms (Note 1)

Steady State Power Dissipation

Peak Forward Surge Current, 8.3 ms Single Half

Sine-wave Superimposed on Rated Load

(JEDEC method) (Note 2, 3)

PPK

PD

IFSM

Minimum 400

1

40

Watts

Amps

Maximum Instantaneous Forward Voltage at 25 A for

Unidirectional Only

VF

3.5

Volts

Operating and Storage Temperature Range

TJ, TSTG

-55 to +150

°C

Note 1: Non-repetitive current pulse per Fig. 3 and derated above TA = 25°C per fig. 2.

Note 2: Mounted on 5 × 5 mm (0.013 mm thick) copper pads to each terminal.

Note 3: 8.3 ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum.

www.element14.com

www.farnell.com

www.newark.com

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26/05/11 V1.1

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