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1N4099-1 thru 1N4135-1 &
1N4614-1 thru 1N4627-1

Low Noise Zener Diode Series

Rev. V4

Circuit

Noise Density (N D), is specified in microvolt-rms per
(-) Battery (+) Shielded
Power Test square-root-hertz. Actual measurement is performed
Supply Circuit using a 1 KHz to 3 KHz frequency bandpass filter at
(low noise a constant Zener test current (I ZT) at +25°C T A. N D is
source)
calculated from the formula.
DC
R LOAD Blocking
Capacitor

A

Amplifier

Filter
F O - 2 KHz
B P - 1 to 3 KHz
True V NOISE
RMS
Volt
Meter

Graphs

Power Derating vs. Lead Temperature Capacitance vs. Zener Voltage
500
200
Rated Power Dissipation (mW) 300 Capacitance (pF) 140 @ 0 V
180
*TA on FR4 PC Board
400
Lead Temperature
160
@ -2 V
120
100
200
80
60
100
40
20
0
0 25 50 75 100 125 150 175 200 0
0 20 40 60 80 100
Lead Temperature (°C)
Zener Voltage (VZ)

3 3 3
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DC-0011409