NXP’s MRF1K50H is a 1,500W LDMOS transistor, following on from the 1,250W MRFE6VP61K25H.
This high ruggedness device, MRF1K50H, is designed for use in high VSWR industrial, scientific and medical applications, as well as radio and VHF TV broadcast, sub-GHz aerospace and mobile radio applications. Its unmatched input and output design allows for wide frequency range use from 1.8 to 500 MHz.
Features
- High Drain-source Avalanche Energy Absorption Capability
- Unmatched Input and Output Allowing Wide Frequency Range Utilization
- Device Can Be Used Single-Ended or in a Push-Pull Configuration
- Characterized from 30 to 50 V for Ease of Use
- Suitable for Linear Application
- Integrated ESD Protection with Greater Negative Gate-Source Voltage Range for Improved Class C Operation
- RoHS Compliant
- Recommended Driver: MRFE6VS25N (25 W)
- Lower Thermal Resistance Part Available:MRF1K50N
- This product is included in our product longevity program with assured supply for a minimum of 15 years after launch.
Typical Applications
- Industrial, Scientific, Medical (ISM)
- Laser generation
- Plasma etching
- Particle accelerators
- MRI and other medical applications
- Industrial heating, welding and drying systems
- Broadcast
- Radio broadcast
- VHF TV broadcast
- Aerospace
- VHF omnidirectional range (VOR)
- HF and VHF communications
- Weather radar
- Mobile Radio
- VHF and UHF base stations
Key Parametrics
Product Specifications
Frequency Min (Min) (MHz) | 1.8 |
Frequency Max (Max) (MHz) | 500 |
Supply Voltage (Typ) (V) | 50 |
P1dB (Typ) (dBm) | 61.8 |
P1dB (Typ) (W) | 1500 |
Output Power (Typ) (W) @ Intermodulation Level at Test Signal | 1500 @ Peak |
Test Signal | Pulse |
Power Gain (Typ) (dB) @ f (MHz) | 23.7 @ 230 |
Efficiency (Typ) (%) | 74 |
Thermal Resistance (Spec)(°C/W) | 0.12 |
Matching | Unmatched |
Class | AB |
Die Technology | LDMOS |
RF Performance Tables
Typical Performance
VDD = 50 Vdc
Frequency (MHz) |
Signal Type | Pout (W) |
Gps (dB) |
ηD (%) |
27 | CW | 1550 CW | 25.9 | 78.3 |
81.36(1) | CW | 1400 CW | 23.0 | 75.0 |
87.5-108(2,3) | CW | 1475 CW | 23.3 | 83.4 |
230(4) | Pulse (100 µsec, 20% Duty Cycle) |
1500 Peak | 23.7 | 74.0 |
Load Mismatch/Ruggedness
Frequency (MHz) |
Signal Type | VSWR | Pin (W) |
Test Voltage |
Result |
230(3) | Pulse (100 µsec, 20% Duty Cycle) |
> 65:1 at all Phase Angles | 13 Peak (3 dB Overdrive) |
50 | No Device Degradation |
1. Data from 81.36 MHz narrowband reference circuit.
2. Data from 87.5-108 MHz broadband reference circuit.
3. The values shown are the center band performance numbers across the indicated frequency range.
4. Data from 230 MHz narrowband production test fixture.
Last News
Testing My Mini 64:1 Half-Wave End-Fed Antenna Transformer.
Testing My Mini 64:1 Half-Wave End-Fed Antenna Transformer. Read more
HamCation QSO Party Set
Orlando HamCation has announced it will sponsor the HamCation QSO Party over the February 13 – 14 weekend (UTC), “to create a fun way for amateurs to... Read more
ARRL on the Purpose of Amateur Radio
For over 100 years amateur radio and ARRL — the National Association for Amateur Radio® — have stood for the development of the science and art of com... Read more
FCC Warns Amateur Radio Operators To Not Commit Crimes [ VIDEO]
“In a bizzare warning issued by the FCC and followed by a warning from the Association for Amateur Radio, The ARRL, ham are warned on a Sunday m... Read more
Amateur & Personal Radio Users Reminded Not to Use Radios in Crimes
Full Title: Warning: Amateur and Personal Radio Services Licensees and Operators May Not Use Radio Equipment to Commit or Facilitate Criminal Act... Read more
SL8SUB – 1st Submarine Flotillas official military amateur radio call sign
Here is a brief information release regarding Radio SL8SUB, the 1st Submarine Flotillas official military amateur radio call sign: The 1st Submarine F... Read more
Smoother FT8 Mode Operation with Constantly Evolving Firmware (IC-705/IC-7300/IC-9700)
Firmware update for the IC-705, IC-7300 and IC-9700* offers smoother FT8 operation. One touch FT8 mode preset, Scroll mode and other updates for each... Read more
My Wife Bought More Radio Gear On Wish and Ali Express
My wife surprised me at the end of 2020 with a new random box of goodies from Wish and AliExpress. Today we unbox some of these ODD radios and radio a... Read more
FTdx10 vs IC-7300 Comparison
This week Jonathan compares the new Yaesu FTdx10 and the Icom IC-7300. What are your comments on either? Read more
The K7RA Solar Update
Tad Cook, K7RA, Seattle, reports: What happened? Solar Cycle 25 seemed well under way, but no new sunspots have emerged since December 23. The last ti... Read more
ICOM IC-705 Review and Full Walk Through
Here’s the complete and detailed review of the ICOM IC-705. If you are already an owner of this unit, this video covers the essentials of the op... Read more
Radials, Radials, Radials! Learn about radials!
In response to an Oggie question, we talk about radials for vertical antennas. Read more
Hamvention 2021 is Officially Cancelled
Much like last year, Hamvention 2021 has announced their cancellation of the Hamfest for 2021. Lots of us are disappointed, but I wanted to share my t... Read more
Dayton Hamvention Cancels 2021 Show
Dayton Hamvention® will not take place for the second year. “Unfortunately, several setbacks in the recovery from the COVID-19 pandemic make necessary... Read more
AMSAT/Vanderbilt RadFXSat-2/Fox 1E Set to Launch
Virgin Orbit’s LauncherOne is a go for launch on Wednesday, January 13, at 1500 UTC, carrying the AMSAT/Vanderbilt RadFXSat-2/Fox-1E CubeSat into spac... Read more
New Amateur VLF Transatlantic Record Set
Very low frequency (VLF) enthusiast Joe Craig, VO1NA, reports that Stefan Schaefer, DK7FC, copied his 50-character message transmitted from Newfoundla... Read more
100 ft Tilting Tower
Raising a 100 ft tower with a winch on a 35 ft pole. Read more
ARRL Life Member Neil Rapp, WB9VPG, is 2021 Carole Perry Educator of the Year
Orlando HamCation® has announced that ARRL Life Member Neil Rapp, WB9VPG, of Bloomington, Indiana, is the 2021 recipient of the Carole Perry... Read more
Above 50MHz
BaoFeng Tech BF-F8HP
BF-F8HP: “BaoFeng’s Only TRI-POWER (1, 4, 8 Watt)” ExClusive Features that separate it from the UV-5R Series: It has 3 Power Levels... Read more
SR10 – Bluetooth® Two-way Radio Adapter
The SR10 is a Bluetooth Two-way Radio Adapter based on Bluetooth 2.1+EDR technology. You can connect various two-way radio devices in the marke... Read more
Dual band Portable Amplifier TC-VU50 ( VHF and UHF )
Product Description Frequency 136-174 and 400-480MHz (Any 10MHZ frequency space or frequency point selectable,such as VHF: 140-150mhz&UH... Read more
Anytone AT-3318UV-A VHF and UHF
Anytone AT-3318UV-A Features: 5 Watts VHF 4 Watts UHF RX & TX 136-174 MHz & 400-520 MHz Can operate VFO mode & Channel mode at the same t... Read more
Handie Talkie Headset (HTH) – Heil Sound
The new Handie Talkie Headset (HTH), from Heil Sound, is a single-sided, lightweight headset designed for use with popular handheld transceivers. The... Read more
BaoFeng DM-5R Dual Band DMR Digital Radio
BaoFeng DM-5R DMR Digital Radio VHF/UHF 136-174/400-480Mhz 2000mAH High Capacity Battery High Power/Low power 21CM Dual Band Antenna 8-Level Stepped F... Read more
Yaesu announced the FT-70DR
Yaesu FT-70DR C4FM FDMA / FM 144/430 MHz DUAL BAND 5W Handheld Transceiver The FT-70DR is a compact System Fusion transceiver providing both conventio... Read more
How to Build your own DMR Digital Radio Code Plug – Ham Radio Q&A
“A DMR radio isn’t any good if it doesn’t have any frequencies or channels programmed into it. Programming your first DMR radio might feel a lit... Read more
Successful VHF QSO between ZS3 and ZD7
Kobus van der Merwe, ZS3JPY reports that between 19:45 and 21:45 UTC on Wednesday 7 November 2018, a QSO took place on 2 metres between St Helena Isla... Read more
50 MHz Contest allowed in DL
With an update of the original 2006 decree the contest ban has been temporalily lifted within the frequency band 50.08-51 MHz, so German amateurs may... Read more
Recent 3000km+ opening on 144 MHz between New Zealand and Australia reported
On the 1st of December 2019, there was an extensive Sporadic-E opening on 144 MHz in the south-eastern part of Australia. While this allowed contacts... Read more
Small APRS Transceiver with MicroAPRS by DB1NTO
Small APRS Transceiver with MicroAPRS by DB1NTO Read full Article from DB1NTO : Read more
Kenwood TM-D710GA
Specifications Covers 144-148 and 430-450 MHz transmit with 118-524 MHz (Band A) 136-524 MHz and 800-1300 MHz (Band B) less cellular receive Dual rece... Read more