2N2857UB Datasheet and Replacement

145 Adams Avenue, Hauppauge, NY 11788 USATel: (631) 435-1110 Fax: (631) 435-1824

SILICON RF SMALL SIGNAL NPN TRANSISTOR 2N2857C1 High Current Gain-Bandwidth Product (fT) Hermetic Ceramic Surface Mount Package Designed For High Gain, Low Noise Amplifier, Oscillator and Mixer Applications Screening Options Available ABSOLUTE MAXIMUM RATINGS (TA = 25C unless otherwise stated) VCBO Collector Base Voltage 30V VCEO Collector Emitt

SILICON RF SMALL SIGNAL NPN TRANSISTOR 2N2857C1 High Current Gain-Bandwidth Product (fT) Hermetic Ceramic Surface Mount Package Designed For High Gain, Low Noise Amplifier, Oscillator and Mixer Applications Screening Options Available ABSOLUTE MAXIMUM RATINGS (TA = 25C unless otherwise stated) VCBO Collector Base Voltage 30V VCEO Collector Emitt

SILICON RF SMALL SIGNAL NPN TRANSISTOR 2N2857C1 High Current Gain-Bandwidth Product (fT) Hermetic Ceramic Surface Mount Package Designed For High Gain, Low Noise Amplifier, Oscillator and Mixer Applications Screening Options Available ABSOLUTE MAXIMUM RATINGS (TA = 25C unless otherwise stated) VCBO Collector Base Voltage 30V VCEO Collector Emitt

2N2857MECHANICAL DATADimensions in mm (inches)NPN TRANSISTOR4.95 (0.195)4.52 (0.178)4.95 (0.195)4.52 (0.178)FEATURES SILICON NPN TRANSISTOR0.48 (0.019)APPLICATIONS:0.41 (0.016)dia. AMPLIFIER, OSCILLATOR ANDCONVERTER APPLICATIONS UP TO500MHz2.54 (0.100)Nom.43 12TO-72 METAL PACKAGEABSOLUTE MAXIMUM RATINGS (TA = 25C unless otherwise stated)VC

2N2857DCSMDimensions in mm (inches). Dual Bipolar NPN Devices in a hermetically sealed LCC2 Ceramic Surface Mount Package for High Reliability 1.40 0.152.29 0.20 1.65 0.13(0.055 0.006)(0.09 0.008) (0.065 0.005)Applications 2 314Dual Bipolar NPN Devices. A0.236 5rad. (0.009) V = 30V CEO6.22 0.13 A = 1.27 0.13I = 0.04A C(0.