Infineon Technologies BFP196WH6327XTSA1

Overview

BFP196WH6327XTSA1 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, and P-1dB = 19 dBm at 0.9 GHz. It operates at I_C = 20–80 mA and V_CE = 8 V in SOT343 package.

For engineers reviewing the BFP196WH6327XTSA1 datasheet, BFP196WH6327XTSA1 pinout, BFP196WH6327XTSA1 application, or BFP196WH6327XTSA1 equivalent, key selection criteria include noise figure at 900/1800 MHz, transducer gain under 50 Ω matching, third-order intercept (IP3 = 32 dBm), thermal resistance (R_thJS = 115 K/W), and AEC-Q101 qualification status.

Technical Context

This NPN bipolar RF transistor uses epitaxial base technology optimized for high f_T and low noise at UHF frequencies. Its SOT343 package features visible leads and supports surface-mount assembly with defined thermal path to PCB soldering point.

It delivers stable small-signal performance across 0.9–1.8 GHz with verified G_ma = 19 dB (900 MHz) and |S₂₁e|² = 13 dB (900 MHz) under matched 50 Ω conditions, while maintaining C_cb = 0.86 pF (typ.) and C_eb = 3.9 pF (typ.) for predictable impedance tuning.

Key Specifications

Pinout & Package

SOT343 (4-pin plastic leadless package) with visible leads; compact 2.1 × 2.0 × 0.95 mm footprint optimized for RF layout and thermal conduction via collector pad.

Key Features

Applications

Equivalent & Alternatives

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

Compared with BFP640FH6327XTSA1 and MMA040407-12, the BFP196WH6327XTSA1 offers optimal balance of noise, gain, and automotive qualification for sub-2 GHz telecom infrastructure-making it preferred for DECT, PCN, and LTE-M repeater designs requiring proven reliability and thermal robustness.

Availability

BFP196WH6327XTSA1 is available at Aetrix Electronics and suitable for DECT base stations, PCN infrastructure amplifiers, and cellular repeater front-ends requiring stable component supply with traceable lot history and full RoHS compliance.

Supply support for BFP196WH6327XTSA1 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 centers and ISO/TS 16949-certified wafer fabs.

The BFP196W series belongs to Infineon's discrete RF transistor product line, engineered specifically for high-reliability, low-noise amplification in licensed and unlicensed UHF bands up to 1.8 GHz.

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 ≈ 15 + j12 Ω. This condition is validated in the datasheet's AC characteristics table and requires external matching network synthesis using measured S-parameters.

Does BFP196WH6327XTSA1 require external neutralization?

No neutralization is required for unconditional stability up to 1.5 GHz when operated within rated I_C (20–80 mA) and V_CE (≤8 V). The device exhibits K > 1 and Δ < 1 across this range per datasheet stability analysis, confirmed by measured S-parameter data at 500 MHz and 1.8 GHz.

Can this transistor be used in Class AB power amplifier configurations?

Yes-it supports Class AB operation at I_C = 50 mA and V_CE = 8 V, delivering P-1dB = 19 dBm and IP3 = 32 dBm. However, thermal derating must be applied above T_A = 69°C per the P_tot vs. T_S curve, and emitter ballasting is recommended for current sharing in parallel configurations.

Is the SOT343 package compatible with standard reflow profiles?

Yes-the Pb-free SOT343 package is qualified for IPC/JEDEC J-STD-020D-compliant lead-free reflow, with peak temperature ≤ 260°C for ≤ 30 seconds. The thermal resistance R_thJS = 115 K/W assumes proper solder joint formation to a 2-layer 1 oz Cu PCB with ≥4 thermal vias under the collector pad.