SD1224

SD1224 RF PRODUCTS DIVISION RF & MICROWAVE TRANSISTORS P RODUCT P REVIEW DESCRIPTION KEY FEATURES W W W . Microsemi . COM The SD1224 is an epitaxial silicon NPN planar transistor designed primarily for 28 V FM Class C RF amplifiers utilized in ground station transmitters. This device utilizes ballasted emitter resistors and improved metallization systems to achieve optimum load mismatch capability. IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com www.DataSheet4U.com ! ! ! ! ! ! ! 175 MHz 28 Volts Class C Common Emitter Efficiency 60% Min. POUT = 40 W Min. GP = 7.6 dB Gain APPLICATIONS/BENEFITS APPLICATIONS/BENEFITS ! VHF FM Applications ABSOLUTE MAXIMUM RATINGS (TCASE = 25°C) Symbol VCBO VCEO VEBO IC PDISS TJ TSTG Parameter Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Device Current Power Dissipation Junction Temperature Storage Temperature Value 65 35 4.0 5.0 60 +200 -65 to +150 Unit V V V A W °C °C .380 4LSTUD (M135) epoxy sealed PIN CONNECTION THERMAL DATA 1 RTH(j-c) Junction-Case Thermal Resistance 2.9 °C/W 4 3 2 1. Collector 2. Emitter 3. Base 4. Emitter SD1224 Copyright  2000 MSC1643.PDF 2000-12-20 Microsemi RF Products Division 140 Commerce Drive, Montgomeryville PA 18936, (215) 631-9840, Fax: (215) 631-9855 Page 1 SD1224 RF PRODUCTS DIVISION RF & MICROWAVE TRANSISTORS P RODUCT P REVIEW W W W . Microsemi . COM STATIC ELECTRICAL SPECIFICATIONS (TCASE = 25°C) Symbol BVCBO...