UM9401F
TM
®
PIN DIODE
SWITCHING DIODE-Ceramic Surface Mount
RoHS Compliant Version Available
DESCRIPTION
With high isolation, low loss, and low distortion characteristics, this
Microsemi ceramic package PIN diode is perfect for two-way radio
antenna switch applications where size and power handling
capability are critical. The surface mount package is ideal for high
volume automated assembly applications.
Its advantages also include the low forward bias resistance and
high zero bias impedance that are essential for low loss, high
isolation, and wide bandwidth antenna switch performance. Its
square design makes this device ideal for use with automatic
insertion equipment.
KEY FEATURES
High Power Surface Mount
Package.
Specified low distortion, low
loss.
Low bias current requirements.
High zero bias impedance.
Low inductance and
capacitance.
Compatible with automatic
insertion equipment.
RoHS compliant packaging
Available
1
www.MICROSEMI.com
IMPORTANT:
For the most current data, consult our website:
www.MICROSEMI.com
ABSOLUTE MAXIMUM RATINGS AT 25º C
(UNLESS OTHERWISE SPECIFIED)
Parameter
Maximum Reverse Voltage
Average Power Dissipation
Storage Temperature Range
Operating Temperature Range
Thermal resistance. (25 °C contacts, free
Symbol
V
R
P
D
T
STG
T
OP
R
θ
Limits
50
4
-65 to 175
- 65 to 175
37.5
Units
V
W
°C
°C
°C/W
APPLICATIONS/BENEFITS
Low Loss T/R Switching.
Two Way Radio Antenna
Switching.
Available on Tape&Reel
UM9401F
The UX9401F is supplied with a RoHS
compliant matte tin finish.
Consult factory for details.
1
Copyright
2006
Rev. A, 2009-02-19
Microsemi
Microwave Products
Page
1
75 Technology Drive, Lowell, MA. 01851, 978-442-5600, Fax: 978-937-3748
UM9401F
TM
®
PIN DIODE
SWITCHING DIODE-Ceramic Surface Mount
RoHS Compliant Version Available
ELECTRICAL PARAMETERS @ 25C (unless otherwise specified)
Parameter
Total Capacitance
Series Resistance
Parallel Resistance
Carrier Lifetime
Reverse Current
Forward Voltage
Transmit Harmonic Distortion
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Symbol
C
T
R
S
R
P
T
L
I
R
V
F
Conditions
V
R
= 50V, F = 1 MHz
I
F
= 50 mA, F = 100
MHz
f = 100MHz, Vr = 0V
I
F
= 10 mA
V
R
= 50
I
F
= 100mA
P
IN
= 50 W
F = 50 MHz
I
F
= 50 mA
F = 100 MHz
V=0V
F
A
= 50 MHz
F
B
= 51 MHz
MIN.
TYPICAL
0.75
0.5
MAX
0.9
0.75
Units
pF
Ohms
kOhms
μs
5
2
10
4
10
1.0
μA
V
-dB
80
Receive 3rd Order Harmonic
Distortion
60
-dB
PACKAGE STYLE ‘F’
FOOTPRINT
ELEC / MECH
ELEC / MECH
NOTES:
1. These dimensions will match the terminals and provide for
additional solder fillets at the outboard ends at least as wide
as the terminals themselves, assuming accuracy of
placement within 0.005”
2. If the mounting method chosen requires use of an adhesive
separate from the solder compound, a round (or square)
spot of cement should be centrally located.
Copyright
2006
Rev. A, 2009-02-19
Microsemi
Microwave Products
Page
2
75 Technology Drive, Lowell, MA. 01851, 978-442-5600, Fax: 978-937-3748
UM9401F
TM
®
PIN DIODE
SWITCHING DIODE-Ceramic Surface Mount
RoHS Compliant Version Available
TYPICAL RS VS IF
TYPICAL CT VS VR
www.MICROSEMI.com
IF CURVE
GRAPHS
Copyright
2006
Rev. A, 2009-02-19
Microsemi
Microwave Products
Page
3
75 Technology Drive, Lowell, MA. 01851, 978-442-5600, Fax: 978-937-3748
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