Infineon Technologies BCX5216H6433XTMA1

Overview

BCX5216H6433XTMA1 from Infineon Technologies is a PNP silicon bipolar junction transistor designed for audio frequency driver and output stages in linear and switching applications. It features V_CEO = 60 V, I_C = 1 A continuous, V_CE(sat) ≤ 0.5 V at I_C = 500 mA / I_B = 50 mA, h_FE = 100–250 (at I_C = 150 mA), and SOT-89 surface-mount package. It is RoHS-compliant and AEC-Q101 qualified for automotive-grade reliability.

For engineers reviewing the BCX5216H6433XTMA1 datasheet, BCX5216H6433XTMA1 pinout, BCX5216H6433XTMA1 application, or BCX5216H6433XTMA1 equivalent, key selection criteria include its PNP polarity, 60 V V_CEO, low saturation voltage under high current, thermal resistance R_thJS ≤ 15 K/W, and AEC-Q101 qualification for automotive power control circuits.

Technical Context

This transistor operates as a medium-power PNP switch or linear amplifier with DC current gain (h_FE) specified across three test conditions: 25–100 at I_C = 5 mA, 40–160 at I_C = 150 mA, and 63–250 at I_C = 500 mA (BCX52-16 variant). Its f_T = 125 MHz enables stable operation up to mid-VHF range in tuned circuits.

Thermal design is supported by R_thJS ≤ 15 K/W and a maximum junction temperature of 150 °C. The device sustains pulsed collector currents up to 1.5 A (t_p ≤ 10 ms) and exhibits low leakage: I_CBO ≤ 0.1 µA at 30 V and ≤ 20 µA at 150 °C.

Key Specifications

Pinout & Package

The BCX5216H6433XTMA1 is housed in a plastic SOT-89 surface-mount package with gull-wing leads, optimized for thermal dissipation via the exposed emitter tab (Pin 3) soldered to a large copper area.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar PNP medium-power transistor applications.

Compared with BCX52-16,115 and MMBT5087LT1G, BCX5216H6433XTMA1 uniquely combines AEC-Q101 qualification, 60 V rating, 1 A capability, and SOT-89 thermal performance-making it the only option qualified for automotive power switching above 500 mA.

Availability

BCX5216H6433XTMA1 is available at Aetrix Electronics and suitable for automotive body electronics, industrial relay drivers, and audio amplifier output stages requiring stable component supply, long-term lifecycle support, and AEC-Q101 compliance.

Supply support for BCX5216H6433XTMA1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Infineon Technologies AG is a German semiconductor manufacturer specializing in power management, automotive electronics, and industrial control ICs and discrete devices.

The BCX5216H6433XTMA1 belongs to Infineon's BCX51–BCX53 family of AEC-Q101-qualified PNP transistors engineered for high-reliability automotive and industrial switching and amplification tasks.

FAQ

Is BCX5216H6433XTMA1 pin-compatible with BCX52-16,115?

Yes - both use identical SOT-89 package with Base (Pin 1), Collector (Pin 2), Emitter (Pin 3) pinout and share identical mechanical footprint and solder pad layout per JEDEC MO-220. No PCB redesign is needed for substitution within non-automotive applications.

What is the maximum allowable PCB copper area for thermal relief on Pin 3 (Emitter)?

The emitter tab (Pin 3) must be soldered to ≥ 100 mm² of 2 oz copper on the top layer, thermally connected via ≥ 4 vias (0.3 mm diameter) to an internal ground plane. This achieves the rated R_thJS ≤ 15 K/W; smaller areas increase junction temperature nonlinearly.

Can BCX5216H6433XTMA1 replace BCX53 in a 80 V circuit?

No - BCX5216H6433XTMA1 has V_CEO = 60 V, while BCX53 is rated for 80 V. Operating at 80 V exceeds absolute maximum ratings and risks avalanche breakdown or premature failure, even with transient suppression. Use BCX53-16 variants for 80 V applications.

Does this transistor support PWM switching at 100 kHz?

Yes - with f_T = 125 MHz and low stored charge (Q_RB ≈ 15 nC typical), BCX5216H6433XTMA1 supports clean turn-on/turn-off at 100 kHz in low-duty-cycle (<30 %) switching. For >50 % duty cycle, ensure I_B ≥ 100 mA peak to minimize storage time delay.