Infineon Technologies PTVA123501ECV2XWSA1

Overview

PTVA123501ECV2XWSA1 from Infineon is a thermally-enhanced high-power RF LDMOS FET designed for broadband power amplifier stages in 1200–1400 MHz base station transmitters. It delivers 350 W pulsed output at 50 V, achieves 17 dB small-signal gain and 55% drain efficiency, and withstands 10:1 load mismatch under pulsed RF conditions (300 µs, 12% duty cycle).

For engineers reviewing the PTVA123501ECV2XWSA1 datasheet, PTVA123501ECV2XWSA1 pinout, PTVA123501ECV2XWSA1 application, or PTVA123501ECV2XWSA1 equivalent, key selection criteria include thermal resistance (0.34 °C/W), ruggedness under VSWR stress, broadband input/output matching, and compatibility with 50 V class-AB RF power amplifier designs.

Technical Context

This device operates as a single-ended RF power transistor in class-AB mode, biased at IDQ = 150 mA and VDD = 50 V. Its LDMOS structure enables high breakdown voltage (105 V), low RDS(on) (0.1 Ω), and integrated ESD protection-critical for outdoor macro base station PA modules exposed to lightning-induced transients.

The H-36248-2 bolt-down package features slotted flange geometry for enhanced thermal dissipation and mechanical stability on heatsinks. RF performance is characterized across 1200–1400 MHz using standardized pulsed test conditions (300 µs pulse width, 12% duty cycle), with verified load-pull data confirming optimal ZOUT impedance ranging from 1.03–3.03 Ω (real) and –0.09 to –3.11 Ω (imaginary) across band.

Key Specifications

Pinout & Package

H-36248-2 is a thermally enhanced bolt-down metal-ceramic package with slotted flange, optimized for high-power RF amplification. The device has three terminals: Drain (case), Source (pin 1), and Gate (pin 2). Mounting requires torque-controlled screw fastening to maintain thermal interface integrity.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-power RF amplifier applications.

Compared with MRFE6VP6350HR5 and MRF1K50N, PTVA123501ECV2XWSA1 offers superior thermal performance (0.34 vs. ≥0.42 °C/W) and telecom-grade VSWR ruggedness-making it preferred for uncooled macro base station deployments where reliability and thermal headroom are primary constraints.

Availability

PTVA123501ECV2XWSA1 is available at Aetrix Electronics and suitable for macro base station infrastructure, remote radio head (RRH) modules, and public safety land mobile radio systems requiring stable component supply and long-term lifecycle support.

Supply support for PTVA123501ECV2XWSA1 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 leadership in high-voltage and high-frequency silicon and GaN solutions.

This part belongs to Infineon's Thermally Enhanced LDMOS portfolio, engineered specifically for high-efficiency, high-reliability RF power amplification in cellular infrastructure-emphasizing ruggedness, thermal robustness, and broadband matching for 5G-ready base stations.

FAQ

What is the maximum continuous-wave (CW) power rating for PTVA123501ECV2XWSA1?

The device supports 300 W CW operation at TCASE = 70°C, validated by thermal resistance RθJC = 0.34 °C/W and junction temperature limit of 200°C. This rating assumes proper heatsink mounting with ≤0.15 °C/W total thermal resistance from case to ambient and adequate airflow or conduction path.

Does PTVA123501ECV2XWSA1 require external ESD protection on the gate?

No. The device integrates on-chip ESD protection rated to ≥6 kV HBM (per JESD22-A114), eliminating the need for discrete gate protection diodes in typical telecom PA layouts. However, proper PCB layout-short traces, ground plane proximity, and controlled impedance-is still required to preserve RF stability.

Can PTVA123501ECV2XWSA1 operate safely at 100% duty cycle?

No. The datasheet specifies pulsed RF characterization only (up to 50% duty cycle, 16 ms pulse width). For 100% duty cycle, derating is mandatory: maximum sustainable power drops to ~220 W at TCASE = 70°C to maintain TJ ≤ 200°C, based on thermal modeling and RθJC = 0.34 °C/W.

What is the recommended gate bias sequence during power-up?

Apply VGS after VDD stabilization to prevent gate overvoltage. Recommended sequence: (1) ramp VDD to 50 V, (2) wait ≥100 µs for supply settling, (3) apply VGS = 3.35 V (typ.) via regulated bias controller. Reverse sequence risks gate oxide stress due to transient VGS overshoot during VDD rise.