www.MICROSEMI.com
UM4000 / UM4900
HIGH POWER PIN DIODES RoHS Compliant Versions Available DESCRIPTION
The UM4000 and UM4900 series features high power PIN diodes with long carrier lifetimes and thick I-regions. They are especially suitable for use in low distortion switches and attenuators, in HF through S band frequencies. While both series are electrically equivalent, the UM4900 series have higher power ratings due to a shorter thermal path between the chip and package. High charge storage and long carrier lifetime enable high RF levels to be controlled with relatively low bias current. Similarly, peak RF voltages can be handled well in excess of applied reverse bias voltage. Both series have been fully qualified in high power UHF phase shifters and megawatt peak-power duplexers, accumulating thousands of hours of proven performance. Both types have been used in the design of antenna selectors and couplers, where inductance and capacitance elements are switched in and out of filter or cavity networks. The standard finish for the UM4000 series is Sn/Pb. For RoHS compliant devices, use the UMX prefix. (IE: UMX4000SM) The UMX series meets RoHS requirements per EU Directive 2002/95/EC. IMPORTANT: For the most current data, consult our website: www.MICROSEMI.com
KEY FEATURES
Voltage ratings to 1000 V Power dissipation to 37.5 W Series resistance rated at 0.5 Ω Carrier lifetime greater than 5 µs Non cavity design RoHS compliant version 1 available Thermally matched configuration Low capacitance at 0 V bias Low conductance at 0 V bias Compatible with automatic insertion equipment 1- RoHS compliant version is supplied with a matte tin finish. (Order UMX4000, UMX4900)
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ABSOLUTE MAXIMUM RATINGS AT 25º C (UNLESS OTHERWISE SPECIFIED)
Package Condition UM4000 PD (W) θ (OC/W) A B&E C D SM All 25 OC Pin Temperature ½ in. total length to 25 OC Contact Free Air 25 C Stud Temperature 25 C Stud Temperature 25 C End Cap Temperature 1 us pulse (Single)
O O O
UM4900 PD (W) 37.5 12 2.5 6 8 7 37.5 25 N/A 100 kW 4 6 θ (OC/W) 4 12.5
25 12 2.5 25 18.75 20 100 kW
6 1.25
APPLICATIONS/BENEFITS
Isolated stud package available Surface mount package available
VOLTAGE RATINGS
Reverse Voltage @ 10 uA 100 200 400 600 1000 UM4000 UM4001 UM4002 UM4006 UM4010 UM4900 UM4901 UM4902 UM4906 -
UM4000/UM4900 UM4000/UM4900
Copyright 2007 Rev: 2009-01-19
Microsemi
Microwave Products
Page 1
75 Technology Drive, Lowell, MA. 01851, 978-442-5600, Fax: 978-937-3748
www.MICROSEMI.com
UM4000 / UM4900
HIGH POWER PIN DIODES RoHS Compliant Versions Available
www.MICROSEMI.com
ELECTRICAL PARAMETERS @ 25C (unless otherwise specified)
Parameter
Forward Voltage Reverse Current Series Resistance Capacitance Parallel Resistance Carrier Lifetime
Symbol
VF IR RS CT RP
Conditions
IF = 100 mA At rated voltage If = 100 mA, F= 100 MHz VR = 100 V, F = 1 MHZ VR = 100 V, F = 100 MHz IF = 10 mA
Min
Typ.
Max
1.0 10
Units
V uA Ohm pF Ohms uS
0.3 2.4 10k 5 15k 10
0.5 3
τ
STYLE “B” and STYLE “SM”
ELECTRICALS ELECTRICALS
Copyright 2007 Rev: 2009-01-19
Microsemi
Microwave Products
Page 2
75 Technology Drive, Lowell, MA. 01851, 978-442-5600, Fax: 978-937-3748
www.MICROSEMI.com
UM4000 / UM4900
HIGH POWER PIN DIODES RoHS Compliant Versions Available RP VS REVERSE BIAS
UM4000/UM4900 TYPICAL
103 1 MHz 10 MHz
104
RS VS IF @ 100MHZ
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UM4000/UM4900 TYPICAL
103
Rp (KOhms)
102 100 MHz 500 MHz 1 GHz 101 3 GHz
10-1 102
Rs (Ohms)
101
100
100 0 10 1 10 2 10 10 3
10-2 10-6 10-5 10-4 10-3 10-2 10-1 100
Vr (V)
If (A)
CT VS REVERSE VOLTAGE
VF VS IF
UM4000/UM4900 TYPICAL
12 11 10 1 MHz
CAPACITANCE (pF)
9 8 7 5 MHz 6 5 10 MHz 4 3 2 1 10 100 200
=>100 MHz
Vr (VOLTS)
GRAPHS
Copyright 2007 Rev: 2009-01-19
Microsemi
Microwave Products
Page 3
75 Technology Drive, Lowell, MA. 01851, 978-442-5600, Fax: 978-937-3748
www.MICROSEMI.com
UM4000 / UM4900
HIGH POWER PIN DIODES RoHS Compliant Versions Available TYPICAL POWER RATINGS TYPICAL POWER RATINGS
www.MICROSEMI.com
UM4000/UM4900 POWER RATING TYPICAL
40
PD MAX POWER DISSIPATION (W)
35 30
UM4900C
25
20
UM4000C UM4900D
15 10
UM4000D
5
0 0 25 50 75 100 125 150 175
STUD TEMPERATURE (C)
PULSED THERMAL IMPEDANCE
PULSE THERMAL IMPEDANCE (DEGREES C/W)
UM4000/UM4900 TYPICAL
101 UM4000 UM4900 10 0
10-1
10-2
10-3 10-6 10-5 10-4 10-3 10-2 10-1 100
PULSE WIDTH (SECONDS)
GRAPHS
Copyright 2007 Rev: 2009-01-19
Microsemi
Microwave Products
Page 4
75 Technology Drive, Lowell, MA. 01851, 978-442-5600, Fax: 978-937-3748
www.MICROSEMI.com
UM4000 / UM4900
HIGH POWER PIN DIODES RoHS Compliant Versions Available STYLE “A” STYLE “B”
www.MICROSEMI.com
STYLE “C”
STYLE “CR”
MECHANICAL
Copyright 2007 Rev: 2009-01-19
Microsemi
Microwave Products
Page 5
75 Technology Drive, Lowell, MA. 01851, 978-442-5600, Fax: 978-937-3748
www.MICROSEMI.com
UM4000 / UM4900
HIGH POWER PIN DIODES RoHS Compliant Versions Available
STYLE “D”
STYLE “DR”
www.MICROSEMI.com
STYLE “E”
STYLE “SM”
STYLE “SM” FOOTPRINT
STYLE “SM” FOOTPRINT NOTES Notes: - Footprint dimensions the terminals and allow for a solder fillet on each end provided placement accuracy is within 0.005” - If the mounting method chosen requires the use of an adhesive in addition to the solder, then a round or square spot of adhesive should be centrally located as shown.
MECHANICAL
Copyright 2007 Rev: 2009-01-19
Microsemi
Microwave Products
Page 6
75 Technology Drive, Lowell, MA. 01851, 978-442-5600, Fax: 978-937-3748
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