Infineon Technologies BF2030E6814HTSA1

Overview

BF2030E6814HTSA1 from NXP Semiconductors is a silicon N-channel tetrode MOSFET designed for low-noise, high-gain RF input stages up to 1 GHz. It features dual gates (G1/G2), 8 V drain-source voltage rating, 40 mA continuous drain current, and 1.5 dB typical noise figure at 800 MHz - deployed in AGC-controlled front-end amplifiers for automotive radar receivers and UHF TV tuners.

For engineers reviewing the BF2030E6814HTSA1 datasheet, BF2030E6814HTSA1 pinout, BF2030E6814HTSA1 application, or BF2030E6814HTSA1 equivalent, key selection criteria include gate biasing flexibility (VG1S(p) = 0.5 V typ.), gain control range (ΔGp = 50 dB), thermal resistance (Rthchs ≤ 370 K/W), and AEC-Q101 qualification for automotive signal chain use.

Technical Context

This tetrode MOSFET uses independent gate control: G2 sets channel conduction (VG2S = 4 V typical), while G1 provides precise transconductance tuning and AGC response. Its 2.4 pF typical Cg1ss and 1.3 pF Cdss enable stable broadband matching up to 1 GHz without neutralization.

Designed for 5 V operation with Class 2 ESD protection (2000–4000 V HBM), it delivers 23 dB typical power gain at 800 MHz and supports dynamic gain adjustment via analog VG1S sweep (0–4 V), enabling >40 dB linear gain control range under fixed VG2S bias.

Key Specifications

Pinout & Package

SOT143 package: 4-pin plastic surface-mount, 1.3 mm × 1.1 mm footprint, 0.95 mm height, lead-free (RoHS compliant), qualified per AEC-Q101 Grade 2.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-gate RF amplifier applications.

Compared with BFP181 and MRF901, BF2030E6814HTSA1 uniquely integrates analog gain control within a silicon tetrode, enabling compact, low-cost AGC loops without external components - critical for space-constrained automotive and consumer RF modules.

Availability

BF2030E6814HTSA1 is available at Aetrix Electronics and suitable for automotive radar receivers, UHF TV tuners, ISM-band sensor transceivers, and GNSS signal conditioning stages requiring stable component supply with AEC-Q101 compliance and RoHS-conforming packaging.

Supply support for BF2030E6814HTSA1 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

NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT applications, with core expertise in RF, analog, and mixed-signal design.

BF2030E6814HTSA1 belongs to NXP's RF transistor product line, engineered specifically for high-linearity, low-noise, gain-controllable amplification in automotive and broadcast receiver front ends up to 1 GHz.

FAQ

What is the recommended gate 2 bias voltage for optimal noise figure?

The datasheet specifies VG2S = 4 V as the condition for measuring 1.5 dB typical noise figure at 800 MHz. This bias point maximizes transconductance while minimizing channel thermal noise. Deviating below 3.5 V increases NF by ≥0.3 dB; above 4.5 V raises power dissipation without NF improvement.

Can Gate 1 be driven with PWM instead of analog voltage for digital AGC?

No - Gate 1 is not rated for fast switching. The device's IG1SS leakage and G1 input capacitance (2.4 pF) make PWM operation unstable. The datasheet specifies only DC or slowly varying VG1S (≤10 kHz modulation) for reliable gain control; faster signals cause distortion and thermal runaway.

Is thermal derating required when operating at 125 °C case temperature?

Yes - at TS = 125 °C, maximum allowable Ptot drops to 85 mW for BF2030E6814HTSA1 in SOT143, per the Rthchs ≤370 K/W curve. To maintain 200 mW operation, case temperature must stay ≤76 °C; PCB copper area and airflow must be designed accordingly.

Does the "E6814HTSA1" suffix indicate tape-and-reel packaging?

Yes - the "TSA1" suffix denotes tape-and-reel packaging per JEDEC standard: 3,000 units per 180 mm reel. "E6814" is NXP's internal lot and date code; "HT" indicates high-temperature test screening per AEC-Q101 requirements.