Infineon Technologies BCR198SH6327XTSA1

Overview

BCR198SH6327XTSA1 from Infineon Technologies is a PNP silicon digital transistor with integrated bias resistors (R1 = R2 = 47 kΩ), designed for switching, inverting, interface, and driver circuits in automotive and industrial control modules. It features V_CEO = 50 V, I_C = 100 mA, V_CE(sat) ≤ 0.3 V at I_C = 10 mA/I_B = 0.5 mA, h_FE ≥ 70, and AEC-Q101 qualification.

For engineers reviewing the BCR198SH6327XTSA1 datasheet, BCR198SH6327XTSA1 pinout, BCR198SH6327XTSA1 application, or BCR198SH6327XTSA1 equivalent, this part serves as a space-optimized, RoHS-compliant, dual-transistor matched pair in SOT363 for level-shifting and logic interfacing in compact PCB layouts.

Technical Context

This device integrates two electrically isolated PNP transistors with tightly matched characteristics in a single SOT363 package, enabling differential signaling or complementary switching without external matching components. Its built-in R1/R2 bias network simplifies base drive design and eliminates discrete resistor placement.

The transistor operates with guaranteed V_CEO and V_CBO of 50 V, supports continuous collector current up to 100 mA, and maintains stable h_FE ≥ 70 across –40°C to 125°C ambient, making it suitable for automotive body electronics where thermal robustness and functional safety are required.

Key Specifications

Pinout & Package

SOT363 (SC-88) 6-pin surface-mount package with dual-transistor layout and internal isolation. Pin 1 = B1, Pin 2 = E1, Pin 3 = C2, Pin 4 = E2, Pin 5 = B2, Pin 6 = C1.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar PNP digital transistor applications.

Compared with BCR198WH6327XTSA1 and BC857B,215, the BCR198SH6327XTSA1 uniquely delivers dual matched switching in a single RoHS-compliant SOT363 footprint with factory-trimmed bias resistors-reducing layout area by 40% and eliminating resistor placement errors in high-volume automotive production.

Availability

BCR198SH6327XTSA1 is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC input stages, and USB-C power path management requiring stable component supply and AEC-Q101 compliance.

Supply support for BCR198SH6327XTSA1 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 is a German semiconductor manufacturer specializing in power management, automotive electronics, and industrial control ICs, with global manufacturing and quality certification infrastructure.

The BCR198S series belongs to Infineon's automotive-qualified digital transistor product line, engineered specifically for space-constrained, high-reliability switching in body control units and sensor interface modules.

FAQ

What is the maximum allowable junction temperature for BCR198SH6327XTSA1?

The absolute maximum junction temperature (T_j) is 150°C, as specified in the Absolute Maximum Ratings table. Operation above this limit risks permanent degradation of the silicon die and integrated resistors. Thermal design must ensure T_j remains below 150°C under worst-case ambient and power dissipation conditions, using the provided R_thJS ≤ 140 K/W value.

Can BCR198SH6327XTSA1 be used in linear amplifier configurations?

No - this device is optimized for digital switching operation, not analog amplification. Its h_FE is specified only at I_C = 5 mA/V_CE = 5 V, and the integrated bias resistors fix the base-emitter operating point. Linear use would result in unpredictable gain, distortion, and thermal instability due to lack of external bias control.

Is the SOT363 package lead-free and compatible with standard reflow profiles?

Yes - the BCR198SH6327XTSA1 uses a Pb-free (RoHS-compliant) SOT363 package qualified for standard lead-free reflow soldering (JEDEC J-STD-020). Peak temperature tolerance is 260°C for 10 seconds, and the device meets moisture sensitivity level MSL3 per JEDEC J-STD-033.

How does the R1/R2 ratio tolerance affect switching performance?

The R1/R2 ratio is guaranteed between 0.9 and 1.1, ensuring balanced base drive across both transistors. This tight ratio maintains matched turn-on thresholds and propagation delays (<5 ns typical difference), critical for synchronous dual-channel operation in timing-sensitive applications like PWM-driven LED arrays or dual relay drivers.