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SMP1320-001 View Datasheet(PDF) - Alpha Industries

Part NameDescriptionManufacturer
SMP1320-001 Low Resistance Low Capacitance Plastic Packaged PIN Diodes Alpha
Alpha Industries Alpha
SMP1320-001 Datasheet PDF : 3 Pages
1 2 3
Low Resistance Low Capacitance Plastic Packaged PIN Diodes
SMP1320 Series
Typical Performance Data
100
100
10
10
1
1
0.1
0.1
0.01
0.1
1
10
100
Forward Current (mA)
Series Resistance vs. Current @ 100 MHz
0.01
400
500 600 700 800 900 1000
Forward Voltage (mV)
DC Characteristic
0.5
0.4
1 MHz1 GHz
0.3
0.2
0.1
0
0
1
2
5
10 20 50
Reverse Voltage (V)
Capacitance vs. Reverse Voltage
Resistance vs. Temperature @ 500 MHz
IF
(mA)
0.02
0.10
0.30
0.50
1.00
10.00
20.00
100.00
RS
-55°C
()
29.60
7.20
3.40
2.50
1.70
0.84
0.73
0.59
RS
-15°C
()
29.20
7.70
3.60
2.70
1.80
0.85
0.73
0.57
RS
+25°C
()
30.80
8.30
3.80
2.80
1.90
0.76
0.64
0.47
RS
+65°C
()
32.00
8.80
4.00
2.90
2.00
0.76
0.64
0.48
RS
+100°C
()
32.70
8.80
4.10
3.00
1.90
0.67
0.56
0.40
600
500
0V
400
300
200
10 V
100
40 V
0
0
500
1000
1500
2000
Frequency (MHz)
Conductance vs. Frequency
and Reverse Voltage
SMP1320-007
In the -007 configuration of the SOT-23 package, the package
inductance is effectively reduced to 0.4 nH, in comparison
to the 1.5 nH value of the standard configuration.This lower
inductance will be particularly beneficial when the diodes are
used as shunt connected switches at frequencies higher than
500 MHz, where inductance is the primary limitation on
maximum switch isolation.
To achieve the effective 0.4 nH, the SOT-23 package
must be inserted in the microstrip circuit board with a gap
in the trace, as shown in the
figure. Because of the
Gap
polarity of the diode junction,
this low inductance feature is
only realizable with the
cathode connected to
Ground
ground.
2
Alpha Industries, Inc. [781] 935-5150 Fax [617] 824-4579 Email sales@alphaind.com www.alphaind.com
Specifications subject to change without notice. 1/01A
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