1SMB5949 TRSYS [Transys Electronics], 1SMB5949 Datasheet

1SMB5949

Manufacturer Part Number

1SMB5949

Description

SURFACE MOUNT SILICON ZENER DIODE

Manufacturer

TRSYS [Transys Electronics]

Datasheet

1.1SMB5949.pdf (3 pages)

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FEATURES

optimize board space

260 /10 seconds at terminals

Flammability Classification 94V-O

MECHANICAL DATA

Case: JEDEC DO-214AA 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: 0.003 ounce, 0.093 gram

Ratings at 25 ambient temperature unless otherwise specified.

DC Power Dissipation @ T

Derate above 75

Peak forward Surge Current 8.3ms single half sine-wave superimposed on rated

load(JEDEC Method) (Note 1,2)

Operating Junction and Storage Temperature Range

NOTES:

1. Mounted on 5.0mm

2. Measured on 8.3ms, single half sine-wave or equivalent square wave, duty cycle = 4 pulses

3. ZENER VOLTAGE (Vz) MEASUREMENT Nominal zener voltage is measured with the device

4.ZENER IMPEDANCE (Zz) DERIVATION Z

per minute maximum.

function in thermal equilibrium with ambient temperature at 25 .

the device by the accurrent applied. The specified limits are for I

For surface mounted applications in order to

Low profile package

Built-in strain relief

Glass passivated junction

Low inductance

Typical I

High temperature soldering :

Plastic package has Underwriters Laboratory

less than 1 A above 11V

(.013mm thick) land areas.

=75 , Measure at Zero Lead Length(Note 1, Fig. 1)

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

VOLTAGE - 11 TO 200 Volts

SURFACE MOUNT SILICON ZENER DIODE

1SMB5926 THRU 1SMB5956

and Z

are measured by dividing the ac voltage drop across

Z(ac)

Power - 1.5 Watts

= 0.1 I

MODIFIED J-BEND

, (dc) with the ac freqency = 60Hz.

DO-214AA

SYMBOL

FSM

STG

-55 to +150

VALUE

1.5

UNITS

mW/

Watts

Amps

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1SMB5949 Summary of contents

Page 1

VOLTAGE - 11 TO 200 Volts FEATURES l For surface mounted applications in order to optimize board space l Low profile package l Built-in strain relief l Glass passivated junction l Low inductance l Typical I less than 1 A ...

Page 2

... TOLERANCE AND VOLTAGE DESIGNATION Tolerance designation - The type numbers listed indicate a ± tolerance of ...

Page 3

RATING AND CHARACTERISTICS CURVES 1SMB5926 THRU 1SMB5956 Fig. 3-ZENER VOLTAGE 14 TO 200 VOLTS Fig. 5-EFFECT OF ZENER VOLTAGE Fig. 7-V = 6.8 THRU 10 VOLTS Z Fig. 4-EFFECT OF ZENER CURRENT Fig. 6-MAXIMUM SURGE POWER Fig ...

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