SD1474 RF & MICROWAVE TRANSISTORS RF PRODUCTS DIVISION P RODUCT P REVIEW DESCRIPTION KEY FEATURES W W W . Microsemi .COM The SD1474 is a Class C 28 V common emitter device optimized for pulsed applications in the 400-500MHz frequency range. Refractory gold metallization and emitter ballasting ensure long-term reliability as well as device ruggedness under severe load mismatch conditions. SD1474 is characterized for both CW and pulsed operation and is provided in an industry–standard .400” Square hermetic package. 425 MHz 28 Volts Common Emitter Gold Metallization Emitter Ballasted POUT = 48 W Min. GP = 6.8 dB Gain IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com APPLICATIONS/BENEFITS APPLICATIONS/BENEFITS UHF Pulsed Applications ABSOLUTE MAXIMUM RATINGS (TCASE = 25°C) Symbol VCBO VCES VEBO IC PDISS TJ TSTG Parameter Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Device Current Power Dissipation Junction Temperature Storage Temperature Value 60 60 4.0 5 87.5 +200 -65 to +150 Unit V V V A W °C °C PIN CONNECTION 1 THERMAL DATA RTH(j-c) Junction-Case Thermal Resistance 2.0 °C/W 4 3 1. Collector 2. Emitter Copyright 2000 MSC1652.PDF 2001-01-04 Microsemi RF Products Division 140 Commerce Drive, Montgomeryville PA 18936, (215) 631-9840, Fax: (215) 631-9855 3. Base 4. Emitter Page 1 SD1474 2 SD1474 RF & MICROWAVE TRANSISTORS RF PRODUCTS DIVISION P RODUCT P REVIEW Symbol BVCBO BVCES BVCEO BVEBO ICBO hFE Test Conditions IC = 50 mA IC = 50 mA IC = 50 mA IE = 5 mA VCB =30 V VCE = 5 V Min. 60 60 32 4.0 IE = 0 mA VBE = 0 V IB = 0 mA IC = 0 mA IE = 0 mA IC = 1 A SD1474 Typ. Max. 5 100 20 Units V V V V mA W W W . Microsemi .COM STATIC ELECTRICAL SPECIFICATIONS (TCASE = 25°°C) DYMANIC ELECTRICAL SPECIFICATIONS (TCASE = 25°°C) Symbol POUT GP ηC COB Test Conditions f = 425 MHz f = 425 MHz f = 425 MHz f = 1 MHz PIN = 10 W PIN = 10 W PIN = 10 W VCB = 28 V VCE = 28 V VCE = 28 V VCE = 28 V Min. 48 6.8 50 SD1474 Typ. 42 Max. Units W dB % pF IMPEDANCE DATA Copyright 2000 MSC1652.PDF 2001-01-04 ZIN (Ω) 4.2 + j 3.8 4.2 + j 3.1 5.1 + j 2.8 5.0 + j 2.5 ZCL (Ω) 3.2 - j 0.0 3.9 - j 0.6 4.4 - j 1.1 4.9 - j 1.5 Microsemi RF Products Division 140 Commerce Drive, Montgomeryville PA 18936, (215) 631-9840, Fax: (215) 631-9855 ELECTRICALS Freq. 420 MHz 430 MHz 440 MHz 450 MHz Page 2 SD1474 RF & MICROWAVE TRANSISTORS RF PRODUCTS DIVISION P RODUCT P REVIEW W W W . Microsemi .COM PACKAGE DATTA Copyright 2000 MSC1652.PDF 2001-01-04 Microsemi RF Products Division 140 Commerce Drive, Montgomeryville PA 18936, (215) 631-9840, Fax: (215) 631-9855 Page 3 SD1474 RF & MICROWAVE TRANSISTORS RF PRODUCTS DIVISION P RODUCT P REVIEW W W W . Microsemi .COM NOTES Copyright 2000 MSC1652.PDF 2001-01-04 Microsemi RF Products Division 140 Commerce Drive, Montgomeryville PA 18936, (215) 631-9840, Fax: (215) 631-9855 Page 4