Infineon Technologies BFP196WE6327HTSA1

Overview

BFP196WE6327HTSA1 from Infineon Technologies is a low-noise silicon bipolar RF transistor designed for broadband amplifier stages in antenna front-ends and telecom infrastructure up to 1.5 GHz, with f_T = 7.5 GHz, NF_min = 1.3 dB at 900 MHz, I_C = 150 mA max, and V_CEO = 12 V - deployed in DECT/PCN power amplifiers and low-distortion receive paths.

For engineers reviewing the BFP196WE6327HTSA1 datasheet, BFP196WE6327HTSA1 pinout, BFP196WE6327HTSA1 application, or BFP196WE6327HTSA1 equivalent, key selection criteria include noise figure at 900 MHz, transducer gain under 50 Ω matching, third-order intercept (IP3 = 32 dBm), and SOT343 thermal resistance (R_thJS = 115 K/W).

Technical Context

This NPN bipolar RF transistor operates in common-emitter configuration with emitter-grounded biasing for optimal noise performance. Its f_T of 7.5 GHz and C_cb = 0.86 pF (typ.) support stable broadband amplification from 100 MHz to 1.8 GHz.

Designed for fixed-bias or emitter-degenerated topologies, it delivers G_ma = 19 dB at 900 MHz and P_-1dB = 19 dBm output compression, with verified linearity via IP3 measurement under 50 Ω terminations across 0.2–12 GHz.

Key Specifications

Pinout & Package

SOT343 (4-pin plastic package) with visible leads, RoHS-compliant and halogen-free. Pin 1 = Emitter, Pin 2 = Collector, Pin 3 = Emitter, Pin 4 = Base - dual-emitter configuration enables balanced input/output or cascode biasing.

Key Features

Applications

Equivalent & Alternatives

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

Compared with BFP181W and MRF581, BFP196WE6327HTSA1 uniquely combines AEC-Q101 qualification, dual-emitter thermal balance, and best-in-class 1.3 dB NF_min, making it optimal for automotive telematics and high-reliability telecom infrastructure.

Availability

BFP196WE6327HTSA1 is available at Aetrix Electronics and suitable for DECT base station amplifiers, GPS/GNSS LNA front-ends, and ISM-band wireless metering receivers requiring stable component supply, traceable lot history, and long-term lifecycle support.

Supply support for BFP196WE6327HTSA1 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, and automotive ICs, with global R&D and manufacturing infrastructure.

The BFP196W series belongs to Infineon's high-frequency bipolar transistor product line, engineered specifically for low-noise, high-linearity RF amplification in 0.8–2.0 GHz wireless infrastructure and consumer connectivity systems.

FAQ

What is the recommended bias condition for minimum noise figure?

For NF_min = 1.3 dB at 900 MHz, operate at I_C = 20 mA and V_CE = 8 V with source impedance Z_S = Z_Sopt ≈ 12 + j15 Ω. This requires an external matching network - not 50 Ω direct connection - and pulse measurement conditions per datasheet Section 3.

Can BFP196WE6327HTSA1 be used in Class AB power amplifier designs?

Yes - it supports Class AB operation at I_C = 50 mA and V_CE = 8 V, delivering G_ma = 19 dB and P_-1dB = 19 dBm at 900 MHz. Thermal design must respect R_thJS = 115 K/W and limit T_S ≤ 69°C for full 700 mW P_tot rating.

Is the dual-emitter configuration internally connected?

No - Pins 1 and 3 are electrically isolated emitters. They are not shorted internally and may be used independently for differential inputs, cascode configurations, or thermal balancing. The datasheet explicitly labels them as separate terminals in the pin configuration diagram.

Does this part require special ESD handling during PCB assembly?

Yes - it is classified as ESD-sensitive (HBM < 100 V). Use grounded wrist straps, dissipative mats, ionized air, and ESD-safe feeders. Avoid contact with bare pins before soldering, and verify reflow profile does not exceed 260°C peak for ≤10 seconds per JEDEC J-STD-020.