1SMA4741 Datasheet, PDF (4/5 Pages) Transys Electronics – SURFACE MOUNT SILICON ZENER DIODE

RATINGS AND CHARACTERISTIC CURVES ( 1SMA4741 THRU 1SMA200Z)
FIG.6- TYPICAL CAPACITANCE versus Vz
400
300
200
100
0V BIAS
1.0V BIAS
10
8
50% OF BREAKDOWN BIAS
4
1.0
10
100
VZ, FORWARD VOLTAGE (VOLTS)
FIG.8- TEMPERATURE COEFFICIENTS
100
70
50
30
20
10
7.0
5.0
3.0
2.0
1.0
10
b-RANGE FOR UNITS 11 TO 100 VOLTS
RANGE
VZ @ IZT
20
30
50
70
100
VZ, ZENER VOLTAGE (VOLTS)
FIG.7- TEMPERATURE COEFFICIENTS
a-RANGE FOR UNITS TO 12 VOLTS
+12
+10
+8.0
+6.0
+4.0
+2.0
RANGE
VZ @ IZT
0
-2.0
-4.0
2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10 11 12
VZ, ZENER VOLTAGE (VOLTS)
FIG.9- EFFECT OF ZENER CURRENT
+6.0
+4.0
VZ @ IZT
TA25 ^oC
+2.0
0
-2.0
-4.0
3.0
20mA
0.01mA
1.0mA
NOTE: BELOW 3 VOLTS AND ABOVE a VOLTS
CHANGES IN ZENER CURRENT OO NOT
AFFECT TEMPERATURE COEFFICIENTS
4.0
5.0
6.0
7.0
8.0
VZ, ZENER VOLTAGE (VOLTS)
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