BCW 66KG E6433

Overview

The BCW 66KG E6433 is a PNP silicon digital transistor manufactured by Infineon Technologies. It is housed in an SMD/SMT SOT-23-3 package and configured as a single unit. The device features a typical input resistance of 10 kOhms and a typical resistor ratio of 1. It supports a maximum collector-emitter voltage (VCEO) of 50 V, with continuous and peak DC collector currents rated at 100 mA. The minimum DC collector/base gain (hFE) is specified as 30. Operating temperatures range from -65°C to +150°C.

Feature Summary

• Integrates a PNP silicon transistor with internal base resistors for simplified circuit design
• Provides high switching performance within a compact surface-mount SOT-23-3 footprint
• Capable of operating reliably across extended industrial temperature ranges up to 150°C

Applications

• General-purpose switching applications
• Driver circuits for low-power loads
• Logic level translation interfaces

Procurement Notes

Verify the exact ordering suffix against official Infineon documentation to ensure correct packaging and tape-and-reel specifications. Confirm current lifecycle status, as availability may vary. Cross-reference the manufacturer part number with authorized distributor databases to validate authenticity and traceability before procurement.

Selection Notes

Select this component when a PNP digital transistor with a 10 kOhm input resistance is required. Ensure the application voltage does not exceed the 50 V collector-emitter rating. Verify that the SOT-23-3 package dimensions fit the PCB layout constraints and that the thermal dissipation requirements are met within the specified operating temperature range.

Part Context

This component belongs to the BCW series of digital transistors from Infineon Technologies. These devices combine bipolar junction transistors with integrated bias resistors to reduce external component count. The specific model utilizes standard silicon technology optimized for general-purpose switching tasks in consumer and industrial electronics.

Replacement Considerations

Consult official Infineon substitution guides for verified equivalents. Do not assume functional compatibility with generic PNP digital transistors without verifying pinout alignment and electrical parameter limits.