ACZRA4749-HF Datasheet, PDF (4/6 Pages) Comchip Technology – RoHS Device

SMD Zener Diode
RATING AND CHARACTERISTIC CURVES (ACZRA4728-HF Thru. ACZRA4764-HF)
Fig.3A - Range for Units to 12 Volts
12
10
8
6
4
2
Range
0
-2
VZ@IZT
-4
2 3 4 5 6 7 8 9 10 11 12
Zener Voltage, (V)
Fig.3B - Range for Units 12 to 100 Volts
100
10
1
10
Range
50
Zener Voltage, (V)
VZ@IZT
100
Fig.4 - Temperature Coefficients (-55°C to +150°C temperature change ; 90% of the units are in the ranges indicated.)
175
150
125
100
75
50
25
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Lead length to heat sink, (Inches)
6
VZ@IZT
TA=25 ^OC
4
20mA
2
1mA
0
0.01mA
-2
-4
3
Note: Below 3V and above 8V changes
in Zener Voltage do not affect temperature
4
5
6
7
8
Zener Voltage, (V)
Fig.5 - Typical Thermal Resistance
Versus Lead
1000
IZ=1mA
100
IZ=5mA
IZ=20mA
10
1
1
TJ=25 °C
IZ(ms)=0.1IZ(do)
f=60HZ
10
100
Zener Current, (mA)
Fig.6 - Effect of Zener Current
400
100
0V bias
1V bias
10
4
1
50% of breakdown
bias
10
Nominal Vz, (V)
100
Company reserves the right to improve product design , functions and reliability without notice. REV:A
AQW-JZ002
Comchip Technology CO., LTD.
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