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1SMA5921-AU~1SMA5942-AU

SURFACE MOUNT SILICON ZENER DIODE

VOLTAGE 6.8 to 51 Volts POWER 1.5 Watts

FEATURES

• For surface mounted applications in order to optimize board space

• Low profile package

• Built-in strain relief

• Glass passivated junction

• Low inductance

• Typical IR less than 1.0µA above 12V

• Plastic package has Underwriters Laboratory Flammability

Classification 94V-O

• High temperature soldering : 260°C /10 seconds at terminals

• Acqire quality system certificate : TS16949

• AEC-Q101 qualified

• Lead free in comply with EU RoHS 2002/95/EC directives

MECHANICAL DATA

• Case: JEDEC DO-214AC, Molded plastic over passivated junction

• Terminals: Solder plated, solderable per MIL-STD-750, Method 2026

• Polarity: Color band denotes cathode end

• Standard Packaging: 12mm tape (EIA-481)

• Weight: 0.0023 ounce, 0.0679 gram

0.181(4.60)

0.157(4.00)

0.012(0.305)

0.006(0.152)

0.060(1.52)

0.030(0.76)

0.008(0.203)

0.002(0.051)

0.208(5.28)

0.188(4.80)

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Ratings at 25°C ambient temperature unless otherwise specified.

Parameter

Symbol

Peak Pulse Power Dissipation on TL=75 OC (Note A) Derate above 75 OC

PD

Peak Forward Surge Current 8.3ms single half sine-wave superimposed on rated load (JEDEC method)

IF S M

Operating Junction and StorageTemperature Range

TJ , TS TG

Value

1.5

10

-55 to +150

Units

Watts

Amps

OC

NOTES:

A.Mounted on 5.0mm2 (.013mm thick) land areas.

B.Measured on 8.3ms, and single half sine-wave or equivalent square wave ,duty cycle=4 pulses per minute maximum.

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1SMA5921-AU~1SMA5942-AU

100

50

30

20

10

5

3

2

1

0.5

0.3

0.2

0.1

0 1 2 3 4 5 6 7 8 9 10

Vz, ZENER VOLTAGE (VOLTS)

Fig.7 Vz = 6.8 thru 10 Volts

100

50

30

20

10

5

3

2

1

0.5

0.3

0.2

0.1

0

10 20 30 40 50 60 70 80 90 100

Vz, ZENER VOLTAGE (VOLTS)

Fig.8 Vz = 12 thru 82 Volts

NOTE 3. ZENER VOLTAGE (Vz) MEASUREMENT

Nominal zener voltage is measured with the device function in thermal equilibrium with ambient

temperature at 25OC

NOTE 4. ZENER IMPEDANCE (Zz) DERIVATION

Zzt and Zzk are measured by dividing the ac voltage drop across the device by the accurrent applied.

The specified limits are for Iz(ac) = 0.1 Iz, (dc) with the ac freqency = 60Hz

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1SMA5921-AU~1SMA5942-AU

Disclaimer

z Reproducing and modifying information of the document is prohibited without

permission from Panjit International Inc..

z Panjit International Inc. reserves the rights to make changes of the content herein the

document anytime without notification. Please refer to our website for the latest

document.

z Panjit International Inc. disclaims any and all liability arising out of the application or

use of any product including damages incidentally and consequentially occurred.

z Panjit International Inc. does not assume any and all implied warranties, including

warranties of fitness for particular purpose, non-infringement and merchantability.

z Applications shown on the herein document are examples of standard use and

operation. Customers are responsible in comprehending the suitable use in particular

applications. Panjit International Inc. makes no representation or warranty that such

applications will be suitable for the specified use without further testing or modification.

z The products shown herein are not designed and authorized for equipments requiring

high level of reliability or relating to human life and for any applications concerning

life-saving or life-sustaining, such as medical instruments, transportation equipment,

aerospace machinery et cetera. Customers using or selling these products for use in

such applications do so at their own risk and agree to fully indemnify Panjit

International Inc. for any damages resulting from such improper use or sale.

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