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CZRA4755-HF Datasheet(PDF) 3 Page - Comchip Technology

Part # CZRA4755-HF
Description  SMD Zener Diode
Download  5 Pages
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Manufacturer  COMCHIP [Comchip Technology]
Direct Link  http://www.comchiptech.com
Logo COMCHIP - Comchip Technology

CZRA4755-HF Datasheet(HTML) 3 Page - Comchip Technology

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SMD Zener Diode
Page 3
SMD Diodes Specialist
REV:A
RATING AND CHARACTERISTIC CURVES (CZRA4728-HF Thru. CZRA4755-HF)
QW-JZ003
175
150
125
100
75
50
25
0
Lead length to heat sink, (Inches)
0
0.1 0.2 0.3 0.4 0.5 0.6
0.7 0.8 0.9 1.0
FIG 1A. Range for Units to 12 Volts
12
10
8
6
4
2
0
-2
-4
2
3
4
5
6
7
8
9
10
Zener Voltage, (V)
-4
-2
0
2
4
6
3
4
5
6
7
8
Zener Voltage, (V)
Note: Below 3V and above 8V changes
in Zener Voltage do not affect temperature
VZ@IZT
O
TA=25 C
20mA
1mA
0.01mA
FIG 3. Typical Thermal Resistance
Zener Current,(mA)
1
4
1
10
Nominal Vz, (V)
FIG 4. Effect of Zener Current
Range
VZ@IZT
11
12
Range
VZ@IZT
10
50
100
1
10
100
FIG 1B. Range for Units 12 to 100 Volts
Zener Voltage, (V)
FIG 2. Temperature Coefficients (-55°C to +150°C temperature change ; 90% of the units are in the ranges indicated.)
1
10
100
1000
IZ=1mA
IZ=5mA
IZ=20mA
TJ=25°C
IZ(ms)=0.1IZ(do)
f=60HZ
10
100
0V bias
1V bias
10
100
400
100
50% of breakdown
bias
Versus Lead


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