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1N4728 датащи(PDF) 3 Page - Micro Commercial Components

номер детали 1N4728
подробное описание детали  1.0 Watt Zener Diode 3.3 to 75 Volts
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производитель  MCC [Micro Commercial Components]
домашняя страница  http://www.mccsemi.com
Logo MCC - Micro Commercial Components

1N4728 датащи(HTML) 3 Page - Micro Commercial Components

  1N4728 Datasheet HTML 1Page - Micro Commercial Components 1N4728 Datasheet HTML 2Page - Micro Commercial Components 1N4728 Datasheet HTML 3Page - Micro Commercial Components 1N4728 Datasheet HTML 4Page - Micro Commercial Components  
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1N4728 thru 1N476
1
www.mccsemi.com
3 of 4
MCC
TM
Micro Commercial Components
Figure 3. Effect of Zener Current
on Zener Impedance
Figure 4. Effect of Zener Voltage
on Zener Impedance
1000
500
200
100
50
20
10
5
2
1
0.1
0.2
0.5
1
2
5
10
20
50
100
IZ, ZENER CURRENT (mA)
1000
700
500
200
100
70
50
20
10
7
5
2
1
1
2
100
VZ, ZENER CURRENT (mA)
3
5
7
10
20
30
50
70
TJ = 25°C
iZ(rms) = 0.1 IZ(dc)
f = 60 Hz
6.2 V
27 V
VZ = 2.7 V
47 V
TJ = 25°C
iZ(rms) = 0.1 IZ(dc)
f = 60 Hz
20 mA
5 mA
IZ = 1 mA
Figure 1. Typical Thermal Resistance
versus Lead Length
Figure 2. Effect of Zener Current
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
L, LEAD LENGTH TO HEAT SINK (INCHES)
+6
+4
+2
0
–2
–4
3
4
5
6
7
8
VZ, ZENER VOLTAGE (VOLTS)
VZ @ IZ
TA = 25°C
20 mA
0.01 mA
1 mA
NOTE: BELOW 3 VOLTS AND ABOVE 8 VOLTS
NOTE: CHANGES IN ZENER CURRENT DO NOT
NOTE: EFFECT TEMPERATURE COEFFICIENTS
Figure 5. Maximum Surge Power
100
70
50
30
20
10
7
5
3
2
1
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
10
20
50
100
200
500
1000
PW, PULSE WIDTH (ms)
This graph represents 90 percentile data points.
For worst case design characteristics, multiply surge power by 2/3.
11 V–100 V NONREPETITIVE
3.3 V–10 V NONREPETITIVE
5% DUTY CYCLE
10% DUTY CYCLE
20% DUTY CYCLE
RECTANGULAR
WAVEFORM
TJ = 25°C PRIOR TO
INITIAL PULSE
Revision:
A
20
11/01/01


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