DL4728A-LFR Ver la hoja de datos (PDF) - Frontier Electronics.
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DL4728A-LFR Datasheet PDF : 2 Pages
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RATINGS AND CHARACTERISTIC CURVES DL4728A-LFR THRU DL4753A-LFR
FIG.1A- Range for Units to 12 Volts
+12
+10
+8
+6
+4
+2
0
RANGE
-2
VZ＠IZT
FIG.1B- Range for Units to 12 to 100 Volts
100
70
50
30
20
10
RANGE
VZ＠IZT
7
5
3
2
-4
1
2 3 4 5 6 7 8 9 10 11 12
10
20
30
50
70 100
VZ, ZENER VOLTAGE (VOLTS)
VZ, ZENER VOLTAGE (VOLTS)
Figure 2. Temperature Coefficients (-55℃to+150℃temperature change;90% of the units are in the ranges indicated.)
175
+6
150
VZ＠IZ
+4
TA=25℃
125
100
+2
20mA
75
0
0.01mA
1mA
50
-2
NOTE: BELOW 3 VOLTS AND ABOVE 8 VOLTS
25
CHANGES IN ZENER CURRENT DO NOT
EFFECT TEMPERATURE COEFFICIENTS
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
-4
3
4
5
6
7
8
L, LEAD LENGTH TO HEAT SINK (INCHES)
VZ, ZENER VOLTAGE (VOLTS)
Figure 3. Typical Thermal Resistance versus Lead Length
Figure 4. Effect of Zener Current
1000
400
700
300
500
Tj=25℃
200
200
Iz=1mA
Iz(ms)=0.1Iz(do)
f=60hz
100
100
70
5mA
50
50
0VBIAS
0VBIAS
20
10
7
5
2
1
1
20mA
2 3 5 7 10 20 30
VZ, ZENER CURRENT (mA)
50 70 100
20
10
8
4
1
50%OF BREAKDOWN BIAS
2
5 10 20
50 100
VZ, NOMINAL VZ (VOLTS)
Figure. 7 - Power Temperature Derating Curve
1.25
1.0
0.75
0.5
0.25
0 20 40 60 80 100 120 140 160 180 200
TL, LEAD TEMPERATURE (OC)
DL4728A-LFR THRU DL4753A-LFR
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