BCR129E6327HTSA1

Overview

The BCR129E6327HTSA1 is an NPN silicon digital transistor in a SOT-23 package. It features a built-in bias resistor (R1) of 10 kΩ, with a typical value range of 7 to 13 kΩ. The device supports a maximum collector-emitter voltage (VCEO) of 50 V and a continuous collector current (IC) of 100 mA. DC current gain (hFE) ranges from 120 to 630 at IC = 5 mA. Transition frequency (fT) is typically 150 MHz. Total power dissipation is rated at 200 mW for junction temperatures up to 102°C. Operating temperature spans from -65°C to +150°C.

Feature Summary

• Integrated single NPN transistor with a fixed internal base bias resistor
• Designed for switching, inversion, and interface applications
• Qualified according to AEC-Q101 automotive standards

Applications

• Switching circuits
• Inverter circuits
• Interface circuits
• Driver circuits

Procurement Notes

Verify the specific ordering suffix E6327HTSA1 against official Infineon documentation to confirm packaging details and RoHS compliance status. Ensure that the component meets the required AEC-Q101 qualification if used in automotive contexts. Cross-reference the datasheet revision date to validate electrical characteristics before finalizing procurement specifications.

Selection Notes

Select this component when a single NPN digital switch with a 10 kΩ base resistor is required. Verify that the 100 mA collector current and 50 V voltage ratings exceed circuit demands. Consider the 200 mW power dissipation limit relative to ambient thermal conditions. Confirm SOT-23 footprint compatibility during PCB layout design.

Part Context

This part belongs to the BCR129 series of NPN silicon digital transistors manufactured by Infineon Technologies. The series includes variants such as BCR129S and BCR129W, which offer different pin configurations and package types like SOT-363 and SOT-323. The E6327HTSA1 suffix specifically denotes the standard SOT-23 surface-mount package configuration.

Replacement Considerations

Check for direct equivalents within the BCR129 series or other NPN digital transistors with similar 10 kΩ input resistance. Verify pinout compatibility for SOT-23 packages. Ensure replacement parts meet the same AEC-Q101 qualification and electrical limits for voltage and current.

FAQ

What is the function of the internal resistor in the BCR129?

The BCR129 contains a built-in bias resistor (R1) of 10 kΩ connected to the base, simplifying drive circuit design by eliminating the need for an external base resistor.

Is the BCR129 qualified for automotive applications?

Yes, the BCR129 series is qualified according to the AEC-Q101 standard for stress test qualification of integrated circuits.

What is the maximum collector current rating?

The maximum continuous collector current (IC) for the BCR129 is 100 mA.