Allegro MicroSystems - 2N2222A

NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .31 W; Maximum Collector Current (IC): .1 A;

PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Power Dissipation (Abs): .6 W; Maximum Collector Current (IC): .6 A;

NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 100 MHz; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .1 A;

NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .625 W; Maximum Collector Current (IC): .1 A;

ULN2003AIPWR by Texas Instruments is a NPN BJT with 7 elements, max. collector current of 0.5A, and max. collector-emitter voltage of 50V. It's used for switching applications in surface mount setups due to its complex configuration and small outline package style.

NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .8 W; Maximum Collector Current (IC): .6 A;

NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 100 MHz; Maximum Collector Current (IC): .8 A; Minimum DC Current Gain (hFE): 250;

PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Power Dissipation (Abs): .6 W; Maximum Collector Current (IC): .6 A;

NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .2 A; Terminal Form: GULL WING;

PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Collector Current (IC): .6 A; Terminal Position: BOTTOM;

Small Signal Bipolar Transistors;

NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 150 MHz; Maximum Power Dissipation (Abs): .625 W; Maximum Collector Current (IC): .1 A;

ULN2003AIPWRG4 by Texas Instruments is a NPN BJT with 7 elements and 16 terminals. It has a max collector-emitter voltage of 50V and max collector current of 0.5A, making it ideal for switching applications. This surface-mount transistor in a small outline package is made of silicon with Gull Wing terminals.

BC547CG by Onsemi is a NPN BJT with 3 terminals. It has a max power dissipation of 0.625W, hFE of 420, and fT of 300MHz. Ideal for amplifier applications due to its max collector-emitter voltage of 45V and max collector current of 0.1A.

NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .1 A; Package Shape: ROUND;

BC846B,235 by NXP Semiconductors is a NPN BJT transistor for switching applications. It has a max VCEsat of 0.6V and min hFE of 200. With a max operating temperature of 150°C, it can handle up to 0.1A collector current in a small outline package suitable for surface mount technology.

NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 100 MHz; Maximum Collector Current (IC): .1 A; Minimum DC Current Gain (hFE): 200;

NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 100 MHz; Maximum Power Dissipation (Abs): .3 W; Maximum Collector Current (IC): .1 A;

PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Power Dissipation (Abs): .6 W; Maximum Collector Current (IC): .6 A;

MMBT3906TT1G by Onsemi is a PNP small signal BJT transistor with a max collector-emitter voltage of 40V. It has a min DC current gain of 30 and can handle a max collector current of 0.2A. This transistor is commonly used in amplifier applications due to its high transition frequency of 250MHz.