1SMA4741 thru 1SMA200Z
RATINGS ANAD CHARACTERISTIC CURVES
(1SMA4741 THRU 1SMA200Z)
FIG.1- POWER TEMPERATURE DERATING CURVE
P
D
,
MAXIMUM POWER DISSIPATION (WATTS)
FIG.2- TYPICAL FORWARD CHARACTERISTICS
1000
500
IF, FORWARD CURRENT (mA)
1.25
MINIMUM
MAXIMUM
1.0
200
100
50
20
10
5
2
o
0.75
0.50
70 C
150 C
25 C
0 C
o
o
o
0.25
0
0
20
40
60
80
100
120
140
o
1
160
180
200
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
AMBIENT TEMPERATURE( C)
V
F
,
FORWARD VOLTAGE (VOLTS)
FIG.3- EFFECT OF ZENER CURRENT
ON ZENER IMPEDANCE
1000
Z
Z
, DYNAMIC IMPEDANCE (OHMS)
FIG.5- TYPICAL LEAKAGE CURRENT
o
500
200
100
50
T
J
= 25 C
I
Z
(rms)= 0.1 I
Z
(dc)
f = 1KHz
47V
10000
7000
5000
2000
1000
700
500
200
100
70
50
IR, LEAKAGE CURRENT ( A)
TYPICAL LEAKAGE CURRENT
AT 80% OF NOMINAL
BREAKDOWN VOLTAGE
27V
20
10
5
2
1
0.1
0.2
0.5
1
2
5
10
20
50
100
I
Z
,
ZENER CURRENT (mA)
0.8V
20
10
7
5
2
1
0.7
0.5
FIG.4- EFFECT OF ZENER VOLTAGE
ON ZENER IMPEDANCE
Z
Z
, DYNAMIC IMPEDANCE (OHMS)
1000
700
500
200
100
70
50
20
10
7
5
2
1
1
2
3
5
7
I
Z
= 1.0mA
5.0mA
20mA
T
J
= 25 C
I
Z
(rms)= 0.1 I
Z
(dc)
f = 1KHz
o
+125 C
0.2
0.1
0.07
0.05
0.02
0.01
0.007
0.005
0.002
0.001
3
4
5
6
7
8
9
10
11
12
13
14
15
o
+25 C
o
10
20
30
50 70 100
I
Z
,
ZENER CURRENT (mA)
V
Z
,
NOMINAL ZENER VOLTAGE (VOLTS)
08/22/2007 Rev.1.00
www.SiliconStandard.com
3
SSC [ SILICON STANDARD CORP. ]
