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UM4300 Datasheet(PDF) 1 Page - Microsemi Corporation |
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UM4300 Datasheet(HTML) 1 Page - Microsemi Corporation |
1 / 5 page Copyright 2005 Rev: 3/30/2009 Microsemi Microwave Products 75 Technology Drive, Lowell MA 01851 Tel: (978) 442-5600 Page 1 UM4300 / UM7300 SWITCHING / ATTENUATOR PIN DIODES DESCRIPTION The UM4300 and UM7300 series combine a diode chip of extremely thick intrinsic region with a low thermal resistance construction. This results in diodes uniquely applicable to very low distortion linear attenuators and specialized functions. The UM4300 series, with large cross-sectional chip area offers the highest power capability, of the two series. The UM7300 series offers lower capacitance. Both diode series are intended for use in linear attenuators operating from HF to beyond 1 GHz. Low distortion is a result of transit time frequencies below 5 MHz. Operated as RF switches, either diode series can be operated at low dc reverse bias voltages, to hold off much higher RF voltage levels. ABSOLUTE MAXIMUM RATINGS AT 25º C (UNLESS OTHERWISE SPECIFIED) UM4300 UM7300 Pkg Condition PD (W) θ (°C/W) PD (W) θ (°C/W) A 25 °C Pin Temperature 20 7.5 7.5 20 B & E ½ in. total length to 25 °C Contact Free Air 10 2.5 15 4 37.5 C 25 °C Stud Temperature 20 7.5 7.5 20 D 25 °C Stud Temperature 15 10 6 25 SM 25 °C End Cap Temperature 15 20 5.5 18 ALL 1 us pulse (Single) 500 kW 100 kW KEY FEATURES Extremely low distortion performance Useful frequency range extends below 500 kHz Power dissipation to 20 W (UM4300) Capacitance as low as 0.7 pF (UM7300) Voltage ratings to 1000V Non cavity design Thermally matched Isolated stud package available APPLICATIONS / BENEFITS RF Switching RF Attenuators Pick and Place compatible Surface Mount Versions 1RoHS compliant packaging available: use UMX4301SM, etc VOLTAGE RATINGS Reverse Voltage @ 10uA Part Number 100 UM4301 UM7301 200 UM4302 UM7302 600 UM4306 UM7306 1000 UM4310 UM7310 IMPORTANT: For the most current data consult MICROSEMI’s website: www.MICROSEMI.com 1 - RoHS compliant versions of the UM4300 and UM7300 are available. Specify UMX4300 or UMX7300 for RoHS version. Consult factory for details. |
Similar Part No. - UM4300_09 |
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Similar Description - UM4300_09 |
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