Infineon Technologies BFP183WH6327XTSA1

Overview

BFP183WH6327XTSA1 from Infineon Technologies is a low-noise silicon bipolar RF transistor in SOT343 package, designed for broadband amplifier stages operating at 900 MHz and 1.8 GHz. It delivers f_T = 8 GHz, NF_min = 0.9 dB at 900 MHz, G_ms = 22 dB at 900 MHz, and supports I_C up to 65 mA. Used in cellular front-end LNA modules for GSM/EDGE base stations.

For engineers reviewing the BFP183WH6327XTSA1 datasheet, BFP183WH6327XTSA1 pinout, BFP183WH6327XTSA1 application, or BFP183WH6327XTSA1 equivalent, key selection criteria include noise figure at 900 MHz, transition frequency, maximum stable gain, collector-emitter breakdown voltage, and thermal resistance (R_thJS = 205 K/W).

Technical Context

This NPN bipolar RF transistor operates in common-emitter configuration with emitter-grounded AC biasing. Its high f_T and low C_cb (0.34 pF typ.) enable stable broadband amplification up to 2 GHz while maintaining sub-1 dB noise floor at 900 MHz under 5 mA I_C.

The device uses a planar epitaxial structure with gold-metallized leads and is qualified per AEC-Q101 for automotive-grade reliability. Thermal performance is defined by junction-to-soldering-point resistance (R_thJS = 205 K/W), requiring careful PCB copper area design for continuous 450 mW operation at T_S ≤ 58 °C.

Key Specifications

Pinout & Package

Package: SOT343 - surface-mount plastic package with visible leads, RoHS-compliant and halogen-free.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar low-noise RF transistor applications.

Compared with BFP196FH6327XTSA1 and MRF581W, the BFP183WH6327XTSA1 offers optimal balance of noise, gain, thermal capability, and automotive qualification - making it preferred for infrastructure and automotive RF front ends where reliability and 0.9 dB NF are mandatory.

Availability

BFP183WH6327XTSA1 is available at Aetrix Electronics and suitable for GSM base station LNAs, automotive telematics receivers, and portable radio transceivers requiring stable component supply, long-lifecycle support, and AEC-Q101 traceability.

Supply support for BFP183WH6327XTSA1 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, RF, automotive, and security ICs, with global manufacturing and R&D centers.

The BFP183W series belongs to Infineon's high-frequency bipolar transistor product line, engineered specifically for low-noise, high-gain RF amplification in wireless infrastructure and automotive communication systems.

FAQ

Is BFP183WH6327XTSA1 suitable for 5G sub-6 GHz applications?

No - its f_T = 8 GHz and verified AC performance up to 1.8 GHz make it appropriate for GSM, DCS, PCS, and early LTE bands, but not for 3.5 GHz or 4.9 GHz 5G NR channels where higher f_T (>15 GHz) and improved linearity are required.

What is the recommended bias network for optimal noise figure at 900 MHz?

For NF_min = 0.9 dB, use a 5 mA collector current with V_CE = 8 V, implemented via emitter degeneration (10 Ω) and base bias resistor network referenced to stable 3.3 V rail; source impedance must be tuned to Z_Sopt ≈ 25 − j15 Ω using microstrip stub matching.

Does BFP183WH6327XTSA1 require external ESD protection?

Yes - it is classified as ESD-sensitive (HBM Class 1B, <500 V). External TVS diodes or ferrite-bead-filtered bias lines are recommended in production designs, especially in handheld or automotive environments with high electrostatic risk.

Can this transistor be used in common-base configuration?

Yes - the SOT343 pinout supports common-base operation (Pin 4 = base, Pins 1&3 = emitters, Pin 2 = collector), though datasheet characterization is provided for common-emitter mode; S-parameter data and stability analysis must be re-verified for CB topology.