STMicroelectronics SD1897
The SD1897 is a 28 V Class C silicon NPN transistor designed for INMARSAT and other 1.65 GHz SATCOM applications. SD1897 is packaged in a cost-effective epoxy sealed housing.| Part No. | SD1897 |
|---|---|
| Datasheet | SD1897 Download |
| Manufacturer |  STMicroelectronics |
| Description | RF & MICROWAVE TRANSISTOR |
| Buy | Stock & Price |
APPLICATIONS
.....1.65 GHz 28 VOLTS CLASS C OPERATION COMMON BASE POUT = 10 W MIN. WITH 11.0 dB GAIN .250 x .320 2LFL (M170) epoxy sealed ORDER CODE B RA ND IN G SD1897 1897 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 July 1993 1. Collector 2. Emitter 3. Base Value Unit 45 V 15 V 3.5 V 2.3 A 29 W +200 °C − 65 to +150 °C 6.0 °C/W 1/4 SD1897ELECTRICAL SPECIFICATIONS
(Tcase = 25°C) STATIC S ymb o l Test Conditions BVCBO BVCEO BVEBO hFE IC = 3mA IC = 3mA IE = 3mA VCE = 5V IE = 0mA IB = 0mA IC = 0mA IC = 600mA DYNAMIC S ymb o l POUT GP ηc f = 1.65 GHz f = 1.65 GHz f = 1.65 GHz Test Conditions PIN = 0.8 W PIN = 0.8 W PIN = 0.8 W VCE = 28 V VCE = 28 V VCE = 28 V Va l u e Unit Min.
