NXP Semiconductors MHT2012N-2450

Overview

MHT2012N-2450 from NXP Semiconductors is a 12.5 W CW RF LDMOS integrated power amplifier optimized for the 2450 MHz ISM band. It delivers 30.0 dB power gain, 51.4% PAE, and 12.7 W output at 2450 MHz under 28 Vdc bias with IDQ1 = 15 mA and IDQ2 = 75 mA. Its primary circuit role is as a high-efficiency driver stage in microwave energy systems requiring robust thermal performance and load mismatch tolerance.

For engineers reviewing the MHT2012N-2450 datasheet, MHT2012N-2450 pinout, MHT2012N-2450 application, or MHT2012N-2450 equivalent, this page provides verified technical context, validated pin functions, real-world RF energy use cases, and two confirmed alternative parts with documented functional trade-offs for industrial heating, medical ablation, and consumer cooking designs.

Technical Context

The MHT2012N-2450 integrates two cascaded LDMOS transistor stages in a single PQFN 8×8 mm package, with on-chip input and interstage 50 Ω matching. Its quiescent current temperature compensation circuit dynamically adjusts VGS1/VGS2 to maintain stable IDQ across –40°C to +150°C case temperature.

It supports up to 32 Vdc operating voltage and withstands 10:1 VSWR at all phase angles under 32 Vdc and 14 dBm overdrive at 2450 MHz - confirming ruggedness for unregulated RF energy loads. The exposed backside source terminal enables low-thermal-resistance mounting (RθJC = 4.3°C/W for Stage 2).

Key Specifications

Pinout & Package

Packaged in a 24-lead PQFN 8 × 8 mm plastic package with exposed source pad (backside thermal slug). Pin numbering follows standard top-down view per Figure 2; exposed backside is electrically connected to source terminals of both stages.

Key Features

Applications

Equivalent & Alternatives

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

Compared with CGH40010F, MHT2012N-2450 offers integrated matching and thermal control at higher output power but less frequency reconfigurability; compared with MHT1012N, it delivers double the CW output with identical board integration - making it optimal for full-power ISM-band energy delivery where thermal stability is non-negotiable.

Availability

MHT2012N-2450 is available at Aetrix Electronics and suitable for industrial heating, medical ablation, consumer cooking, and portable RF diathermy applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for MHT2012N-2450 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 specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in RF power technologies.

The MHT2012N-2450 belongs to NXP's RF LDMOS Integrated Power Amplifier product line, designed specifically for high-efficiency, thermally robust, and ruggedized RF energy delivery in ISM-band industrial, medical, and consumer systems.

FAQ

What is the maximum DC supply voltage rating for the MHT2012N-2450?

The MHT2012N-2450 is rated for continuous operation up to +32 Vdc on VDD, with absolute maximum drain-source voltage of +65 Vdc. This headroom supports transient overvoltage conditions in switching power supplies and enables stable operation across wide input voltage tolerances in industrial power systems. The MHT2012N-2450 maintains specified RF performance up to 32 Vdc, as validated in Table 1 and load-pull testing.

Does the MHT2012N-2450 require external input matching components?

No - the MHT2012N-2450 features on-chip input and interstage 50 Ω matching, allowing direct connection to standard 50 Ω RF sources without external matching networks. This is confirmed in the Features section and validated in the reference circuit (Figure 7), where only DC blocking and decoupling capacitors are used at RFin. The MHT2012N-2450 thus reduces layout complexity and improves repeatability across production units.

How does the quiescent current temperature compensation function in the MHT2012N-2450?

The MHT2012N-2450 integrates an on-die thermal tracking circuit that automatically adjusts VGS1 and VGS2 bias voltages to maintain stable IDQ1 (15 mA) and IDQ2 (75 mA) across –40°C to +150°C case temperature. This function is implemented without external sensors or feedback loops, as detailed in Application Notes AN1977 and AN1987. The MHT2012N-2450 thereby prevents thermal runaway and ensures consistent RF performance in uncooled or cyclically heated environments.

What is the thermal resistance from junction to case for the MHT2012N-2450?

The MHT2012N-2450 has a measured thermal resistance of 4.3°C/W from junction to case for Stage 2 under 28 Vdc, 12.5 W, 2450 MHz conditions (Table 2). This value is achieved via the exposed backside source pad, which must be soldered to a thermally conductive PCB plane or heatsink. The MHT2012N-2450's low RθJC enables reliable operation at 150°C junction temperature without forced air cooling in properly designed thermal interfaces.

Can the MHT2012N-2450 operate reliably under high VSWR conditions?

Yes - the MHT2012N-2450 is characterized for unconditional stability and 10:1 VSWR tolerance at all phase angles when biased at 32 Vdc with 14 dBm input overdrive at 2450 MHz (Table 7). This ruggedness is intrinsic to its LDMOS structure and on-die protection, allowing the MHT2012N-2450 to sustain full RF output into highly reflective loads common in microwave heating cavities and medical applicators without degradation or latch-up.