SMBJ5347B datasheet(3/3 Pages) MICROSEMI

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Note 1

Devices listed have a

± 5% tolerance on nominal V

The suffix A denotes a

± 20% tolerance, suffix C

denotes

± 2%, and suffix D denotes ± 1%.

Note 2

Nominal Zener Voltage (V Z) is read with the device in

standard test clips with 3/8 to ½ inch spacing between

clip and case of the diode. Before reading, the diode is

allowed so stabilize for a period of 40

± 10 milliseconds

at 25

°C (+8, -2°C).

Note 3

The Zener impedance (Z ZT or ZZK is derived from the 60

HZ ac voltage, which results when an ac current having

a rms value equal to 10% of the dc zener current (I ZT or

IZK) is superimposed on I ZT or IZK respectively. Dynamic

impedance variations with other current values are

described in Micronote 202.

Note 4

The Maximum Reverse (leakage) Current is specified

for devices with

± 20% and ± 10% voltage tolerances

on nominal VZ in another column.

Note 5

The Maximum Zener Current (I ZM) shown is for

± 5%

tolerance devices. I ZM for

± 10% and ± 20% devices

can be calculated using the formula:

IZM =

V ZM

Where “VZM” is VZ at the high end of the voltage

tolerance specified and “P” is the rated power of the

device.

Note 6

The Surge Current (I ZM) is specified as the maximum

peak of a nonrecurring sine wave of 8.3 milliseconds

duration.

Note 7

Voltage Regulation (

∆V

Z) is the difference between the

voltage measured at 10% and 50% I ZM).

SMB(G or J)5333B thru SMB(G or J)5333B

5344B

5350B

5335B

5338B

5342B

5357B

5365B

5378B

5388B

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