1SMA4746 Taiwan Semiconductor, 1SMA4746 Datasheet - Page 3

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1SMA4746

Manufacturer Part Number
1SMA4746
Description
Zener Diodes 18V
Manufacturer
Taiwan Semiconductor
Datasheet

Specifications of 1SMA4746

Zener Voltage
18 V
Voltage Tolerance
5 %
Power Dissipation
1 W
Maximum Reverse Leakage Current
5 uA
Maximum Zener Impedance
20 Ohms
Maximum Operating Temperature
+ 150 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 55 C
Package / Case
DO-214AC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
R2

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
1SMA4746
Manufacturer:
TSC
Quantity:
68 000
Part Number:
1SMA4746
Manufacturer:
ST
0
Part Number:
1SMA4746
Manufacturer:
PANJIT/ 强茂
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Part Number:
1SMA4746A
Manufacturer:
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Quantity:
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1.25
0.75
0.50
0.25
1000
1000
FIG.1- POWER TEMPERATURE DERATING CURVE
1.0
700
500
200
100
500
200
100
FIG.4- EFFECT OF ZENER VOLTAGE
70
50
20
10
50
20
10
FIG.3- EFFECT OF ZENER CURRENT
0
5
2
1
7
5
2
1
0
0.1
1
I = 1.0mA
Z
20
ON ZENER IMPEDANCE
ON ZENER IMPEDANCE
RATINGS AND CHARACTERISTIC CURVES (1SMA4737 THRU 1SMA200Z)
0.2
5.0mA
20mA
2
40
0.5
AMBIENT TEMPERATURE( C)
3
60
I ,
I ,
Z
Z
ZENER CURRENT (mA)
ZENER CURRENT (mA)
1
5
0.8V
80
47V
27V
7
2
100
T = 25 C
I (rms)= 0.1 I (dc)
f = 1KHz
Z
J
10
120
5
o
20
140
10
T = 25 C
I (rms)= 0.1 I (dc)
f = 1KHz
Z
Z
o
J
30
160
20
o
50 70 100
180
Z
50
200
100
10000
0.007
0.005
0.002
0.001
7000
5000
2000
1000
0.07
0.05
0.02
0.01
700
500
200
100
0.7
0.5
0.2
0.1
FIG.2- TYPICAL FORWARD CHARACTERISTICS
FIG.5- TYPICAL LEAKAGE CURRENT
70
50
20
10
1000
7
5
2
1
500
200
100
50
20
10
3
5
2
1
0.4
150 C
4
o
70 C
0.5
5
o
V ,
MINIMUM
MAXIMUM
V
Z
F
6
NOMINAL ZENER VOLTAGE (VOLTS)
,
FORWARD VOLTAGE (VOLTS)
0.6
7
TYPICAL LEAKAGE CURRENT
AT 80% OF NOMINAL
BREAKDOWN VOLTAGE
8
0.7
9
10
0.8
11
0 C
+125 C
+25 C
25 C
0.9
12
o
Version:C08
o
o
o
13
1.0
14
15
1.1

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