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1SMA5914~1SMA5949

SURFACE MOUNT SILICON ZENER DIODE

VOLTAGE 3.6 to 100 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

• Pb free product : 99% Sn above can meet RoHS

environment substance directive request

MECHANICALDATA

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

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

Method 2026

• Polarity: Color band denotes positive end (cathode)

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

• Weight: 0.002 ounce, 0.064 gram

SMA/DO-214AC

Unit: inch (mm)

.181(4.60)

.157(4.00)

.012(.305)

.006(.152)

.060(1.52)

.030(0.76)

.008(.203)

.002(.051)

.208(5.28)

.188(4.80)

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Ratings at 25°C ambient temperature unless otherwise specified.

Pwak Pulse Power Dissipation on TA=70°C (Notes A)

Derate above 70°C

Peak Forward Surge Current 8.3ms single half sine-wave

superimposed on rated load (JEDEC method)

Operating and Storage Temperature Range

SYMBOLS

PD

IFSM

VALUE

1.5

15.0

10

TJ, TSTG -55 to +150

UNITS

Watts

mW / °C

Amps

°C

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.

STAD-JAN.13.2006

PAGE . 1

1SMA5914~1SMA5949

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

LEGAL STATEMENT

Copyright PanJit International, Inc 2006

The information presented in this document is believed to be accurate and reliable. The specifications and information

herein are subject to change without notice. Pan Jit makes no warranty, representation or guarantee regarding the

suitability of its products for any particular purpose. Pan Jit products are not authorized for use in life support devices or

systems. Pan Jit does not convey any license under its patent rights or rights of others.

STAD-JAN.13.2006

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