STMicroelectronics SD1898
The SD1898 is a 28 V Class C silicon NPN transistor designed for INMARSAT and other 1.65 GHz SATCOM applications. SD1898 is packaged in a cost-effective epoxy sealed housing.| Part No. | SD1898 |
|---|---|
| Datasheet | SD1898 Download |
| Manufacturer |  STMicroelectronics |
| Description | RF & MICROWAVE TRANSISTOR |
| Buy | Stock & Price |
APPLICATIONS
......1.65 GHz 28 VOLTS EFFICIENCY 40% MIN. CLASS C OPERATION COMMON BASE POUT = 32 W MIN. WITH 9 dB GAIN .400 SQ. 2LFL (M186) epoxy sealed ORDER CODE SD1898 B RA ND IN G 1898 PIN CONNECTIONDESCRIPTION
A gold metallized emitterballasted die geometry is employed providing high gain and efficiency while ensuring long term reliability and ruggedness under severe operating conditions.ABSOLUTE MAXIMUM RATINGS
(Tcase = 25°C) Symb ol Parameter VCBO VCEO VEBO IC PDISS TJ TSTG Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Device Current Power Dissipation Junction Temperature Storage Temperature THERMAL DATA RTH(j-c) Junction-Case Thermal Resistance November 1992 1. Collector 2. Base 3. Emitter 4. Base Value Unit 45 V 15 V 3.5 V 7.8 A 87.5 W +200 °C − 65 to +150 °C 2.0 °C/W 1/4 SD1898ELECTRICAL SPECIFICATIONS
(Tcase = 25°C) STATIC S ymb o l Test Conditions BVCBO BVCEO BVEBO hFE IC = 10mA IC = 10mA IE = 10mA VCE = 5V IE = 0mA IB = 0mA IC = 0mA IC = 2A DYNAM...
