Infineon Technologies BFP196E6327HTSA1

Overview

BFP196E6327HTSA1 from Infineon Technologies is a low-noise silicon bipolar RF transistor optimized for broadband amplification 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 SOT143 package. It serves as a low-distortion gain stage in DECT/PCN power amplifiers and receiver LNA paths.

For engineers reviewing the BFP196E6327HTSA1 datasheet, BFP196E6327HTSA1 pinout, BFP196E6327HTSA1 application, or BFP196E6327HTSA1 equivalent, key selection criteria include noise figure at 900 MHz, transducer gain under 50 Ω matching, third-order intercept point (IP3 = 32 dBm), thermal resistance (R_thJS = 105 K/W), and AEC-Q101 qualification status.

Technical Context

This NPN bipolar RF transistor operates in common-emitter configuration with emitter-grounded AC biasing. Its high f_T (7.5 GHz typ.) and low C_cb (0.83 pF typ.) enable stable broadband gain up to 1.8 GHz, while the 1.3 dB NF_min at 900 MHz supports sensitive receive-chain amplification.

Designed for DC-coupled or capacitor-coupled Class-A operation, it delivers G_ma = 16.5 dB at 900 MHz and P_-1dB = 19 dBm under 50 Ω source/load conditions. The SOT143 package features dual emitter terminals for improved thermal and grounding performance in RF layouts.

Key Specifications

Pinout & Package

SOT143 (4-pin plastic surface-mount package) with exposed collector tab for thermal conduction and RF grounding. Pin 1 = Collector, Pin 2 = Emitter, Pin 3 = Base, Pin 4 = Emitter (dual emitter configuration).

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, BFP196E6327HTSA1 offers the best balance of noise performance, thermal capability (700 mW P_tot), and surface-mount manufacturability for volume telecom applications-particularly where dual-emitter grounding and AEC-Q101 compliance are required.

Availability

BFP196E6327HTSA1 is available at Aetrix Electronics and suitable for DECT base stations, PCN handset RF front-ends, and cellular repeater amplifiers requiring stable component supply, RoHS compliance, and AEC-Q101 qualification.

Supply support for BFP196E6327HTSA1 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 manufacturing and R&D centers.

The BFP196 belongs to Infineon's bipolar RF transistor product line, engineered specifically for high-linearity, low-noise amplification in 800 MHz–1.8 GHz wireless infrastructure and consumer telecom equipment.

FAQ

What is the recommended DC bias condition for minimum noise figure?

For NF_min = 1.3 dB at 900 MHz, bias the device at I_C = 20 mA and V_CE = 8 V using a stable current source and bypassed base resistor. Maintain Z_S = Z_Sopt ≈ 50 Ω via input matching network; avoid series base inductance exceeding 0.3 nH to prevent degradation.

Is the SOT143 package lead-free and compatible with standard reflow profiles?

Yes, BFP196E6327HTSA1 uses a fully RoHS-compliant Pb-free finish and passes JEDEC J-STD-020D moisture sensitivity Level 1. It supports peak reflow temperatures up to 260 °C for 30 seconds, with ramp rates ≤ 3 °C/s before and after peak.

Can this transistor be used in Class-AB or switching configurations?

No-BFP196E6327HTSA1 is characterized and qualified only for linear Class-A operation. Its h_FE variation (70–140) and thermal design (R_thJS = 105 K/W) do not support reliable Class-AB biasing or hard-switching duty cycles without significant gain compression or junction overheating.

Where can I find the thermal pad layout guidelines for SOT143?

Thermal pad layout instructions are defined in Infineon Application Note AN077 "Thermal Resistance Calculation," specifying minimum 4 mm² copper area, 4 thermal vias (0.3 mm diameter), and direct connection to inner ground plane for R_thJS ≤ 105 K/W performance.