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| SD1474 RF & MICROWAVE TRANSISTORS RF PRODUCTS DIVISION PRODUCT PREVIEW 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. IMPORTANT: For the most current data, consult MICROSEMI's website: http://www.microsemi.com 425 MHz 28 Volts Common Emitter Gold Metallization Emitter Ballasted POUT = 48 W Min. GP = 6.8 dB Gain APPLICATIONS/BENEFITS APPLICATIONS/BENEFITS UHF Pulsed Applications ABSOLUTE MAXIMUM RATINGS (TCASE = 25C) 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 THERMAL DATA PIN CONNECTION 1 RTH(j-c) Junction-Case Thermal Resistance 2.0 C/W SD1474 SD1474 2 3 1. Collector 2. Emitter Copyright 2000 MSC1652.PDF 2001-01-04 4 3. Base 4. Emitter Microsemi RF Products Division 140 Commerce Drive, Montgomeryville PA 18936, (215) 631-9840, Fax: (215) 631-9855 Page 1 SD1474 RF & MICROWAVE TRANSISTORS RF PRODUCTS DIVISION PRODUCT PREVIEW W W W .Microsemi .COM STATIC ELECTRICAL SPECIFICATIONS (TCASE = 25C) Symbol BVCBO BVCES BVCEO BVEBO ICBO hFE IC = 50 mA IC = 50 mA IC = 50 mA IE = 5 mA VCB =30 V VCE = 5 V Test Conditions IE = 0 mA VBE = 0 V IB = 0 mA IC = 0 mA IE = 0 mA IC = 1 A Min. 60 60 32 4.0 20 SD1474 Typ. Max. Units V V V V mA 5 100 DYMANIC ELECTRICAL SPECIFICATIONS (TCASE = 25C) Symbol POUT GP C COB f = 425 MHz f = 425 MHz f = 425 MHz f = 1 MHz Test Conditions 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. Max. Units W dB % pF 42 IMPEDANCE DATA Freq. 420 MHz 430 MHz 440 MHz 450 MHz ZIN () 4.2 + j 3.8 4.2 + j 3.1 5.1 + j 2.8 5.0 + j 2.5 ZCL () 3.2 - j 0.0 3.9 - j 0.6 4.4 - j 1.1 4.9 - j 1.5 ELECTRICALS ELECTRICALS 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 2 SD1474 RF & MICROWAVE TRANSISTORS RF PRODUCTS DIVISION PRODUCT PREVIEW W W W .Microsemi .COM PACKAGE DATTA 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 PRODUCT PREVIEW W W W .Microsemi .COM NOTES 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 |
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