Infineon Technologies BSP60E6327

Overview

BSP60E6327 from Infineon Technologies is a PNP silicon Darlington transistor designed for medium-power switching applications, featuring V_CEO = 45 V, I_C = 1 A continuous, V_CE(sat) ≤ 1.3 V at I_C = 500 mA / I_B = 0.55 mA, h_FE ≥ 1000, and SOT223 package with 4-pin configuration (B-C-E-C). It is used in automotive body control modules for relay and lamp driver circuits.

For engineers reviewing the BSP60E6327 datasheet, BSP60E6327 pinout, BSP60E6327 application, or BSP60E6327 equivalent, key selection criteria include guaranteed DC current gain at high collector current, low saturation voltage under defined base drive, thermal resistance to soldering point (R_thJS ≤ 17 K/W), AEC-Q101 qualification status, and complementary NPN pairing with BSP50–BSP52 series.

Technical Context

This Darlington pair integrates two PNP transistors in cascade to achieve high current gain while maintaining single-package simplicity. Its dual-collector configuration (pins 2 and 4 both connected to collector) enables higher power dissipation handling and improved thermal path symmetry in PCB layout.

The device operates with emitter-base breakdown voltage V_(BR)EBO = 5 V and supports pulse currents up to 2 A (t_p ≤ 10 ms). Switching performance is characterized by f_T = 200 MHz at I_C = 100 mA, V_CE = 5 V, enabling use in moderate-speed digital switching rather than RF amplification.

Key Specifications

Pinout & Package

SOT223 package with 4-terminal configuration: thermally enhanced plastic housing, exposed emitter pad (pin 3), and dual collector terminals (pins 2 and 4) for parallel current routing and improved heat spreading.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar PNP Darlington switching applications.

Compared with BCP53-16, BSP60E6327 delivers 4× higher DC gain and 12× lower thermal resistance, enabling simpler drive and smaller thermal solution; versus BSP50E6327, it provides identical performance metrics in inverted polarity, supporting symmetrical dual-transistor system design.

Availability

BSP60E6327 is available at Aetrix Electronics and suitable for automotive lighting control, industrial relay interface, and DC motor brake applications requiring stable component supply and AEC-Q101 compliance.

Supply support for BSP60E6327 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 BSP60 series belongs to Infineon's high-reliability bipolar transistor portfolio, engineered specifically for automotive and industrial switching applications demanding robustness, predictable gain, and thermal stability under sustained load.

FAQ

What is the maximum safe operating temperature for BSP60E6327?

The junction temperature must not exceed 150 °C. With R_thJS ≤ 17 K/W and maximum P_tot = 1.5 W, the soldering point temperature must stay ≤124.5 °C under full load. Derating is required above this ambient or board temperature threshold per the P_tot vs. T_S curve in the datasheet.

Can BSP60E6327 replace a standard PNP transistor like BC807 in the same footprint?

No - although both use SOT223, BSP60E6327 has four pins (B-C-E-C) versus BC807's three-pin (B-C-E) layout. Pin 4 is a second collector, not a dummy pad. PCB land pattern and schematic symbol must reflect the 4-terminal Darlington structure to avoid misconnection or thermal overstress.

Is BSP60E6327 suitable for linear amplifier operation?

No - it is optimized for switching, not analog amplification. The Darlington configuration introduces high V_BE(sat) (~2.0 V), significant storage time, and nonlinear h_FE variation across I_C, making it unsuitable for Class-A or AB audio or precision signal amplification where linearity and low distortion are required.

Does BSP60E6327 require an external base resistor when driven directly from a microcontroller?

Yes - even with high h_FE, a series base resistor is mandatory to limit I_B and prevent damage during saturation. For 3.3 V GPIO driving 500 mA load, a 4.7 kΩ resistor ensures I_B ≈ 0.55 mA while accounting for V_BE(sat) ≈ 2.0 V, matching the test condition for specified V_CE(sat).