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SMP1321-003 반도체 회로 부품 판매점

Low Capacitance Plastic Packaged PIN Diodes



Alpha Industries 로고
Alpha Industries
SMP1321-003 데이터시트, 핀배열, 회로
Low Capacitance
Plastic Packaged PIN Diodes
Features
s Designed for High Performance Wireless
Switch Applications
s 0.25 pF Capacitance Specified
s Multiple Package Configurations
s Available in Tape and Reel Packaging
Description
The SMP1321 series of plastic packaged, surface
mountable PIN diodes are designed for high volume switch
applications from 10 MHz to beyond 2 GHz. The low
capacitance of these diodes (0.25 pF) combined with its low
resistance (2.0 maximum at 10 mA) make the SMP1321
series particularly suited to high isolation series connected
PIN diode switches in battery operated circuits. Available
in a selection of plastic packages and in a variety of
configurations including a low inductance (0.4 nH) SOT-23
(SMP1321-007), the small footprint SC-79 and the
miniature SC-70.
SMP1321 Series
Absolute Maximum Ratings
Characteristic
Reverse Voltage (VR)
Power Dissipation @ 25°C Lead
Temperature (PD)
Storage Temperature (TST)
Operating Temperature (TOP)
ESD Human Body Model
Value
100 V
250 mW
-65°C to +150°C
-65°C to +150°C
Class 1B
Single
Common
Anode
Marking: PM1
Marking: PM9
SOT-23
SOT-23
o SMP1321-001 o SMP1321-003
LS = 1.5 nH
LS = 1.5 nH
SC-70
o SMP1321-073
LS = 1.4 nH
o Available through distribution.
Common
Cathode
Marking: PM3
SOT-23
o SMP1321-004
LS = 1.5 nH
SC-70
o SMP1321-074
LS = 1.4 nH
Series Pair
Marking: PM2
SOT-23
o SMP1321-005
LS = 1.5 nH
SC-70
o SMP1321-075
LS = 1.4 nH
Low
Inductance
Marking: PMB
SOT-23
o SMP1321-007
LS = 0.4 nH
Single
SOD-323
o SMP1321-011
LS = 1.5 nH
Single
SC-79
o SMP1321-079
LS = 0.7 nH
Electrical Specifications at 25°C
Parameter
Reverse Current (IR)
Capacitance (CT)
Resistance (RS)
Resistance (RS)
Forward Voltage (VF)
Carrier Lifetime (TI)
I Region Width
Condition
VR = 100 V
F = 1 MHz, V = 30 V
F = 100 MHz, I = 1 mA
F = 100 MHz, I = 10 mA
IF = 10 mA
IF = 10 mA
Typ.
3.0
0.85
0.4
15
Max.
10
0.25
2.0
Unit
µA
pF
V
µS
µm
Alpha Industries, Inc. [781] 935-5150 Fax [617] 824-4579 Email [email protected] www.alphaind.com
Specifications subject to change without notice. 1/01A
1


SMP1321-003 데이터시트, 핀배열, 회로
Low Capacitance Plastic Packaged PIN Diodes
SMP1321 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
Forward Voltage (mV)
DC Characteristic
1000
0.8
0.7
0.6
0.5
0.4
0.3 1 MHz1 GHz
0.2
0.1
0
0 1 2 5 10 20 50
Reverse Voltage (V)
Capacitance vs. Reverse Voltage
800
700
0V
600
500
400
300
200
100
0
0
10 V
40 V
500
1000
1500
2000
Frequency (MHz)
Conductance vs. Frequency
and 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
R
-55°C
()
47.400
12.000
5.200
3.600
2.400
1.030
0.871
0.669
R
-15°C
()
50.000
12.600
5.400
3.800
2.500
1.040
0.888
0.659
R
+25°C
()
56.300
13.900
5.800
4.100
2.600
1.040
0.873
0.642
R
+65°C
()
61.500
15.400
6.400
4.500
2.800
1.070
0.889
0.645
R
+100°C
()
65.100
16.400
6.900
4.800
3.100
1.150
0.956
0.695
SMP1321-007
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 [email protected] www.alphaind.com
Specifications subject to change without notice. 1/01A




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SMP1321-003 diode

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SMP1321-001

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SMP1321-005

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