4.5V of トランジスタ - バイポーラ（BJT）

Capacitors	Circuit Protection	Relays	Discrete Semiconductor Products	Sensors, Transducers	Integrated Circuits (ICs)	RF/IF and RFID	Electronic Components
Electric Double Layer Capacitors (EDLC), Supercapacitors	TVS - Diodes	Power Relays, Over 2 Amps Signal Relays, Up to 2 Amps High Frequency (RF) Relays	Transistors - Bipolar (BJT) - RF Transistors - FETs, MOSFETs - RF Diodes - Zener - Single	Pressure Sensors, Transducers	PMIC - Supervisors PMIC - Voltage Reference PMIC - Voltage Regulators - Linear PMIC - Voltage Regulators - DC DC Switching Controllers PMIC - Voltage Regulators - DC DC Switching Regulators PMIC - Battery Chargers	RF Switches	Texas TI IC MICREL IC Maxim IC

品番	メーカー/ブランド	簡単な説明
START499D	STMicroelectronics	TRANSISTOR RF NPN 4.5V 1A SOT-89