BLF578XR
| Part Number | BLF578XR |
| Manufacturer | NXP Semiconductors |
| Category | RF Semiconductors > LDMOS RF Power Transistor > UHF Broadcast Power FET |
| Description | LDMOS RF Power Transistor, 470MHz~860MHz, UHF DVB-T Digital TV High Power Amplifier,SOT-539A Package |
Product Overview
The BLF578XR is high-performance silicon LDMOS power transistor from NXP engineered for UHF digital terrestrial television broadcast applications across 470MHz to 860MHz frequency band. Built with advanced LDMOS wafer fabrication technology, this component delivers high saturated output power, outstanding power added efficiency and superior VSWR ruggedness against unexpected antenna load mismatch. Ceramic flanged power package allows secure screw mounting and effective thermal dissipation via external heatsink for long-term continuous CW operation. It is widely adopted as core power device for digital TV transmitters, UHF signal repeaters, industrial RF heating equipment and high-power laboratory RF test amplifiers.
Key Specifications
| Brand | NXP Semiconductors |
| RoHS | RoHS Compliant |
| EDA / CAD | Symbols, Footprints, 3D Models Available |
| Warranty | 1 Year Standard Warranty |
| Package / Case | SOT-539A Package |
| Mounting Type | Screw Fixed with External Heatsink |
| Surface Marking / Silkscreen | BLF578XR Marking |
| Frequency Range | 470MHz ~ 860MHz |
| Typical CW Output Power | 120W |
| Operating Drain Voltage | 28V DC |
| Typical Power Gain | 16.5dB |
| Operating Temperature | -40°C ~ 150°C |
Typical Applications
- DVB-T UHF Digital TV Broadcast Transmitter Power Amplifier Stage
- UHF Terrestrial TV Signal Repeater & Transposer Equipment
- Industrial UHF Dielectric & Induction RF Heating Power Source
- High Power UHF Laboratory RF Signal Source Amplifier
- Wireless UHF Broadcast Booster High Power RF Modules
- UHF Plasma Generation High Frequency Excitation Power Supply
- Analog & Digital Hybrid TV Transmitter Final Power Stage
- Industrial High Frequency RF Drying Equipment Driver Unit
Order & Shipping Info
Minimum Order Quantity (MOQ): 1 Piece
Shipping Time: Shipped within 1-2 business days
Delivery Time: 3-7 working days worldwide
Shipping Methods: DHL, UPS, FedEx, EMS
Payment Methods: T/T (Bank Transfer), PayPal, Credit Card, Western Union
Technical Support
Frequently Asked Questions
Q1: Is BLF578XR RoHS compliant?
A: Yes, this product fully complies with RoHS environmental standards.
Q2: What channel type is BLF578XR?
A: It is N-channel LDMOS RF Power MOSFET, standard N-type channel design for UHF RF amplifier circuit.
Q3: What is the package and mounting type?
A: It adopts SOT-539A package and screw fixed installation with external heatsink.
Q4: How long is the warranty period?
A: We provide 1 year standard warranty for all products.

