Vishay Intertechnology's SMBJ18CA is a bidirectional TRANS VOLTAGE SUPPRESSOR DIODE with a max clamping voltage of 29.2 V and a breakdown voltage of 21.05 V. It is surface mountable and commonly used in transient suppression applications.
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
OPA2277UA/2K5 by Texas Instruments is a dual operational amplifier with low offset voltage of 100 uV and micropower consumption of 0.004 uA. Ideal for industrial applications, it offers high common mode rejection ratio of 140 dB and unity gain bandwidth of 1 MHz. With a compact rectangular package style, it is suitable for surface mount designs in various electronic systems.
LM2931AZ-5.0RAG by Onsemi is a Fixed Positive Single Output LDO Regulator with 5V nominal output voltage, 0.1A max output current, and 0.6V max dropout voltage. Ideal for applications requiring stable voltage regulation in temperature-sensitive environments up to 150°C.