BLF879PS
Download datasheetThis device has been transferred from Ampleon to Flip Electronics.
UHF power LDMOS transistor
A 500 W LDMOS RF power transistor for broadcast transmitter applications and industrial applications. The excellent ruggedness of this device makes it ideal for digital and analog transmitter applications.
Features and benefits
- Excellent ruggedness
- Optimum thermal behavior and reliability, Rth(j-c) = 0.15 K/W
- High power gain
- High efficiency
- Designed for broadband operation (470 MHz to 860 MHz)
- Internal input matching for high gain and optimum broadband operation
- Excellent reliability
- Easy power control
- Compliant to Directive 2002/95/EC, regarding RoHS
Applications
- Communication transmitter applications in the UHF band
- Industrial applications in the UHF band
Parametrics
| Symbol | Parameter | Conditions | Min | Typ/Nom | Max | Unit |
|---|---|---|---|---|---|---|
| frange | frequency range | 470 | 860 | MHz | ||
| PL(1dB) | nominal output power at 1 dB gain compression | 500 | W | |||
| Test signal: CW | ||||||
| Gp | power gain | VDS = 42 V; f1 = 860 MHz; f2 = 860.1 MHz | 20 | 21 | dB | |
| ηD | drain efficiency | VDS = 42 V; IDq = 1.3 A; f1 = 860 MHz; f2 = 860.1 MHz | 43 | 47 | % | |
| PL(AV) | average output power | f1 = 860 MHz; f2 = 860.1 MHz | 200 | W | ||
| IMD3 | third-order intermodulation distortion | VDS = 42 V; IDq = 1.3 A; f1 = 860 MHz; f2 = 860.1 MHz | -33 | -29 | dBc | |
Package / Packing
| Type number |
Package type, (Package outline) |
Outline version | Packing | Product status | Marking |
Orderable part number, (Ordering code (12NC)) |
|---|---|---|---|---|---|---|
| BLF879PS | ACC-1230 (SOT539B) |
sot539b_po | Bulk Pack | Transferred | Standard Marking |
BLF879PS,112 (9340 670 74112) |
Pinning info
| Pin | Symbol | Description | Simplified outline | Graphic symbol |
|---|---|---|---|---|
| 1 | D1 | drain1 |
|
|
| 2 | D2 | drain2 | ||
| 3 | G1 | gate1 | ||
| 4 | G2 | gate2 | ||
| 5 | S | source |
Ordering & availability
| Type number | Ordering code (12NC) | Orderable part number | Distributor | Buy online | Samples |
|---|---|---|---|---|---|
| BLF879PS | 9340 670 74112 | BLF879PS,112 | Flip Electronics | Buy | Not available |
Documentation
| Title | Type | Date | |
|---|---|---|---|
| UHF power LDMOS transistor | Data sheet | 2015-12-07 | |
| Mounting and soldering of RF transistors in air cavity packages | Application note | 2025-02-03 | |
| RF power solutions for ISM, broadcast, navigation and safety radio applications | Brochure | 2025-06-03 | |
| RF power application reports for ISM, broadcast, navigation and safety radio applications | Brochure | 2025-06-12 | |
| Packages for RF power transistors | Leaflet | 2025-06-20 |
Design support
| Title | Type | Date | |
|---|---|---|---|
| Printed-Circuit Board (PCB) BLF879P (Data sheet) | Design support | 2012-02-24 | |
| Model Library for Cadence AWR Microwave Office® | Simulation model | 2023-01-02 | |
| Model Library Manual for Cadence AWR Microwave Office® | Simulation model | 2023-01-02 | |
| Simulation Example for Cadence AWR Microwave Office® | Simulation model | 2023-01-02 |