BZX85C Series
Axial Lead Zener Diodes
P b
Lead(Pb)-Free
SMALL SIGNAL
ZENER DIODES
1.3 WATTS
Features:
* High Rliability
* Very Sharp Reverse Characteristic
* Low Reverse Current Level
* VZ-Tolerance ± 2%
Mechanical Data:
* Voltage stabilization
* Case : DO-41 Glass Case
* Weight : Approx 0.33 gram
DO-41
DO-41 Outline Dimensions
Unit:mm
C
D
A
B
A
A
DIM
DO-41
Min
26.0
Max
-
Min
-
B
Max
4.50
Min
-
C
Max
0.85
Min
-
D
Max
2.7
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BZX85C Series
Maximum Ratings and Electrical Characteristics
(TA=25°C Unless Otherwise Noted)
Parameter
Power dissipation
Junction ambient
Junction temperature
Storage temperature range
I=4mmT
L
≤ 25°C
I=4mm, T
L
=constant
Symbol
P
V
R
θJA
T
j
T
stg
Value
1.3
110
175
-65~+175
Unit
W
K/W
°C
°C
Electrical Characteristics
Parameter
Forward voltage
I
F
=200mA
Symbol
V
F
Min
-
Typ
-
Max
1.0
Unit
V
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BZX85C Series
Characteristics
(T
j
=25℃ unless otherwise specified)
Ptot –Total Power Dissipation (W)
R
thJA
– Therm. Resist. Junction/
Ambient (K/W)
Tamb – Ambient Temperature(℃)
Figure1.Total Power Dissipation vs. Ambient
Temperature
C
D
–Diode Capacitance (pF)
l – Lead Length (mm
)
Figure2. Thermal Resistance vs. Lead Length
V
R
=0V
V
R
=2V
V
R
=5V
V
R
=20V
V
R
=30V
Vz-Z-Voltage (V)
Figure3. Diode Capacitance vs. Z-Voltage
Zthp – Thermal Resistance for
r
z
–Differential Z-Resistance (
Ω)
Vz-Z-Voltage (V)
Figure4.Differential Z-Resistance vs.Z-Voltage
Pulse Cond. (K/W)
Figure5. Thermal Response
t
p
–Pulse Length (ms)
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stm32/stm8
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