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| UM9401F CERAMIC SURFACE MOUNT PIN DIODE 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. 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 WWW .Microsemi .C OM High power surface mount package Specified low distortion, low loss Low bias current requirements High zero bias impedance Very low inductance and capacitance Passivated PIN diode chip Hermetically sealed Compatible with automatic insertion equipment IMPORTANT: For the most current data, consult MICROSEMI's website: http://www.microsemi.com ABSOLUTE MAXIMUM RATINGS AT 25 C (UNLESS OTHERWISE SPECIFIED) Maximum reverse voltage Average power dissipation contact surfaces @ 25 oC Thermal resistance 25 OC Contacts Free Air Operating and storage temperature 50 V 4.0 W 37.5 OC/W 1.5 W -65 oC to +175 oC APPLICATIONS/BENEFITS RoHS compliant packaging available: use UMX9401F UM9401F UM9401F Copyright 2005 Rev. 0, 2005-10-17 Microsemi Page 1 UM9401F CERAMIC SURFACE MOUNT PIN DIODE ELECTRICAL PARAMETERS @ 25C (unless otherwise specified) WWW .Microsemi .C OM Parameter Series resistance Capacitance Parallel resistance Carrier lifetime Transmit Harmonic distortion Symbol Rs CT RP Conditions F = 100 MHz IF = 50 mA F = 1 MHz, VR = 50 V F = 100 MHz, VR = 0 V IF = 10 mA PIN = 50 W F = 50 MHz IF = 50 mA F = 100 MHz V=0V FA = 50 MHz FB = 51 MHz Min Typ. 0.5 0.75 Max 0.75 0.90 Units Ohms pF Ohms s 5k 2.0 10k 4.0 80 -dB Receive 3rd order harmonic distortion 60 -dB Voltage rating Forward Voltage VR VF IR = 1 A IF = 100 mA 50 1.0 V V UM9401F Copyright 2005 Rev. 0, 2005-10-17 Microsemi Page 2 UM9401F CERAMIC SURFACE MOUNT PIN DIODE Ct versus Vr TYPICAL 3.5 WWW .Microsemi .C OM 3.0 2.5 Ct (pF) 2.0 f = 1 MHz 1.5 1.0 f = 100 MHz 0.5 0.0 1 10 100 1000 Vr (Volts) UM9401F Rs versus If TYPICAL 103 102 f = 100 MHz Rs (Ohms) 101 100 10-1 10-6 10-5 10-4 10-3 10-2 10-1 100 ELECTRICALS ELECTRICALS If (mA) UM9401F Copyright 2005 Rev. 0, 2005-10-17 Microsemi Page 3 UM9401F CERAMIC SURFACE MOUNT PIN DIODE FORWARD VOLTAGE versus CURRENT TYPICAL 100 WWW .Microsemi .C OM FORWARD CURRENT (A) 10-1 10-2 10-3 10-4 10-5 10-6 0.0 0.2 0.4 0.6 0.8 1.0 1.2 FORWARD VOLTAGE UM9401F OUTLINE ELECTRICALS UM9401F FOOTPRINT Copyright 2005 Rev. 0, 2005-10-17 Microsemi Page 4 UM9401F CERAMIC SURFACE MOUNT PIN DIODE WWW .Microsemi .C OM 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. MECHANICAL MECHANICAL Copyright 2005 Rev. 0, 2005-10-17 Microsemi Page 5 UM9401F CERAMIC SURFACE MOUNT PIN DIODE NOTES: WWW .Microsemi .C OM NOTES NOTES Copyright 2005 Rev. 0, 2005-10-17 Microsemi Page 6 |
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