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BLF574
BLF574
| Part Number | BLF574 |
| Manufacturer | AMPLEON |
| Category | RF Semiconductors > LDMOS RF Power Transistor > UHF Broadcast Power FET |
| Description | LDMOS RF Power Transistor, 470MHz~860MHz, UHF Digital TV Pre-Driver Amplifier Device,SOT-539A Package |
Product Overview
The BLF574 is a cost-effective silicon LDMOS RF power transistor designed by NXP for UHF digital television broadcast equipment covering 470MHz to 860MHz frequency range. Optimized for pre-driver and intermediate amplification stages in TV transmitter systems, this component features stable gain characteristic, high efficiency and excellent ruggedness against load variations. Equipped with standard ceramic flange package for easy screw assembly and efficient heat dissipation with external heatsink, it can work reliably under continuous long-running operation. Widely deployed for digital TV transmit preamp, UHF repeater driver stage, industrial RF equipment and lab RF signal amplification modules.
Key Specifications
| Brand | AMPLEON |
| 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 | BLF574 Marking |
| Frequency Range | 470MHz ~ 860MHz |
| Typical CW Output Power | 30W |
| Operating Drain Voltage | 28V DC |
| Typical Power Gain | 20dB |
| Operating Temperature | -40°C ~ 150°C |
Typical Applications
- UHF Digital TV Transmitter Pre-Driver Amplifier Stage
- DVB-T TV Repeater & Transposer Intermediate Power Module
- Industrial UHF Small Power RF Heating Drive Circuit
- Laboratory Medium Power UHF RF Test Amplifier
- UHF Broadcast Signal Booster Pre-amplifier Unit
- Analog TV Transmitter Intermediate Amplifier Board
- Small UHF Plasma Excitation RF Power Source
- Wireless Communication UHF Medium Power Amplifier
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 BLF574 RoHS compliant?
A: Yes, this product fully complies with RoHS environmental standards.
Q2: Can I apply for product samples for testing?
A: Sample service is available, please submit your request via the Quick Inquiry form.
Q3: What is the package and mounting type?
A: It adopts SOT-539A package and screw fixed installation with external heatsink.
Q4: What channel type is BLF574?
A: It is N-channel LDMOS RF Power MOSFET, standard N-type channel design for UHF RF amplifier circuit.
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