BCX5616QTA

BCX5616QTA is a BCX-series semiconductor part. The BCX prefix is used by several manufacturers for discrete devices, so the exact device type (bipolar transistor, MOSFET, etc.) and ratings depend on the vendor. In many SMT lineups, a QTA suffix indicates a compact package.
A concise intro should specify:
- Device type (NPN/PNP transistor or FET)
- Key ratings (voltage, current) and gain
- Package and footprint
- Typical applications (switching, amplification, logic level shifting)

I don’t have the exact datasheet on hand. BCX5616QTA can refer to different parts from different manufacturers, so here are typical features you’d expect from a BCX56x/NPN transistor in an SMD package. Exact numbers depend on the vendor.
- Type: General-purpose NPN transistor for switching and amplification
- Package: SMD (often SOT-23 or similar; marked QTA)
- Vceo: typically around 60–80 V
- Ic (continuous): up to about 0.3–0.5 A
- hFE (current gain): high, roughly 100–300 (depends on Ic and temp)
- Vce(sat): typically ~0.2–0.4 V at Ic ≈ 0.1 A
- Features: Pb-free, RoHS-compliant, suitable for surface-mount PCB assembly
For exact, safe usage, please share the manufacturer or a datasheet link, and I’ll enumerate the precise electrical specs and thermal characteristics.

Manufacturer: BC Components.
Type of company: A semiconductor company that designs and manufactures/distributes discrete semiconductors (transistors, diodes, thyristors, related components) for various electronics and automotive applications.

BCX5616QTA is a high-voltage, high-gain BJT transistor designed for switching and amplification. Typical application areas:
- Switching power supplies and DC-DC converters
- Relay and solenoid drivers
- Motor control and drivers (low- to mid-power)
- Automotive and industrial control circuits
- Line driving, level shifting, and general-purpose amplification in consumer electronics

SOT-23 (SC-70-3) surface-mount package.