Infineon Technologies BCR148E6393HTSA1

Overview

BCR148E6393HTSA1 from Infineon Technologies is an NPN silicon digital transistor with integrated bias resistors (R1 = R2 = 47 kΩ), designed for switching, inverter, and interface driver circuits in automotive and industrial control systems. It features V_CEO = 50 V, I_C = 100 mA, V_CE(sat) ≤ 0.3 V at I_C/I_B = 20, h_FE ≥ 70, and AEC-Q101 qualification.

For engineers reviewing the BCR148E6393HTSA1 datasheet, BCR148E6393HTSA1 pinout, BCR148E6393HTSA1 application, or BCR148E6393HTSA1 equivalent, key selection criteria include built-in resistor matching, thermal resistance (R_thJS ≤ 240 K/W), SOT23 package compatibility, and guaranteed operation up to T_j = 150 °C in automotive-grade environments.

Technical Context

This digital transistor integrates two matched resistors (R1, R2) to enable single-pin base drive without external biasing-reducing PCB footprint and component count in level-shifting and logic interface applications. Its common-emitter configuration supports DC current gain (h_FE) ≥ 70 at I_C = 5 mA and V_CE = 5 V, with tight input voltage thresholds: V_i(on) = 1–3 V and V_i(off) = 0.8–1.5 V.

The device operates across –65 °C to +150 °C storage and junction temperature ranges, with thermal derating defined per substrate temperature (T_S ≤ 102 °C for full 200 mW dissipation). Its f_T ≥ 100 MHz enables reliable high-speed switching in PWM-driven loads and signal conditioning stages.

Key Specifications

Pinout & Package

BCR148E6393HTSA1 is housed in a Pb-free, RoHS-compliant SOT23 package (JEDEC TO-236AB), with standard 3-pin layout optimized for automated placement and reflow soldering. Pin 1 = Base (B), Pin 2 = Emitter (E), Pin 3 = Collector (C).

Key Features

Applications

Equivalent & Alternatives

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

Compared with BC847B,115 and NSV12201T1G, BCR148E6393HTSA1 delivers plug-and-play switching with guaranteed resistor matching, AEC-Q101 validation, and lower V_i(off), making it optimal for safety-critical automotive and industrial control nodes where reliability and design simplicity are prioritized.

Availability

BCR148E6393HTSA1 is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC I/O modules, and smart appliance control systems requiring stable component supply and long-term lifecycle support.

Supply support for BCR148E6393HTSA1 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 ICs, and industrial control solutions, with global manufacturing and quality certification to ISO/TS 16949.

BCR148E6393HTSA1 belongs to Infineon's BCR family of digital transistors-engineered specifically for automotive signal conditioning and robust logic-level interfacing in harsh environments.

FAQ

What is the maximum allowable junction temperature for continuous operation?

The absolute maximum junction temperature (T_j) is 150 °C. Derating begins at substrate temperature (T_S) > 102 °C, where total power dissipation drops linearly from 200 mW to zero at T_S = 150 °C. Operation above 150 °C risks permanent parametric shift or failure.

Can BCR148E6393HTSA1 replace a standard NPN transistor like BC847 in existing designs?

Yes, but only if the circuit relies on internal biasing and does not require adjustable base current. Unlike BC847, BCR148E6393HTSA1 has fixed R1/R2 values and cannot be used in analog amplifier configurations due to its digital-switching optimization and lack of linear-region characterization.

Is the SOT23 package of BCR148E6393HTSA1 compatible with standard pick-and-place equipment?

Yes-the SOT23 outline conforms to JEDEC TO-236AB standards with 0.95 mm lead pitch, 1.3 mm body width, and 2.9 mm length. Land pattern recommendations match IPC-7351B density level 'N', and the device is qualified for standard reflow profiles including J-STD-020D peak temperatures up to 260 °C.

Does BCR148E6393HTSA1 support bidirectional signal translation?

No-it is a unidirectional NPN digital transistor configured for high-side switching only. The internal resistor network connects base to V_CC through R1 and emitter to GND through R2; it lacks symmetrical structure or dual-emitter capability required for true bidirectional level shifting.