Silicon Zener Diodes
• Sharper Breakdown
• Lower Leakage Current
Characteristics in the
4–10 Volt range and the
5–9 Volt range
The family of Aeroflex / Metelics Silicon Zener Avalanche Diodes includes a variety of
models in various voltage ranges. They feature sharp breakdown and low leakage LVA
regulators. Certain models also feature exceptionally low noise, low impedance and
sharp knees for high performance, low current applications.
Sharp Breakdown, Low Leakage LVA Regulator, 4–10 Volt Range
Voltage Vz @ Izt
Vdc
TYP
LVA43A
LVA47A
LVA51A
LVA56A
LVA62A
LVA68A
LVA75A
LVA82A
LVA91A
LVA100A
Maximum Rating
4.3
4.7
5.1
5.6
6.0
6.8
7.5
8.2
9.1
10.0
Parameters
Package style
Forward Voltage
Noise Density
Power Dissipation
Operating Temperature
Storage Temperature
Voltage Tolerance
Suffix A
Suffix B
Noise Density measured from 1000 to 3000 Hz.
Standard Device
±5%
±2%
20
10
5
1
1
1
1
1
1
1
Value
CS85 (DO-7)
@ If = 200 mAdc
@ Iz = 250 µAdc
@ Ta = 25° C
1.5 Vdc
4.0µ V /
√Hz
400 mW
-65° C to + 1
75° C
-65° C to + 200° C
±10%
Model
Test Current Izt
mA
Zener Impedance
Zzt @ Izt
Ω
MAX
18
1
5
1
5
40
50
50
100
100
100
100
Rating
Reverse Leakage Current
MAX
I
R
mAdc
4.0
4.0
0.1
0.05
0.05
0.05
0.01
0.01
0.01
0.01
Noise Density @
250
mA
MAX
4
4
4
4
4
4
4
4
4
4
V
R
Vdc
1.5
2.0
2.0
3.0
4.0
5.0
6.0
6.5
8.0
9.0
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