BLF881
Download datasheetThis device has been transferred from Ampleon to Flip Electronics.
UHF power LDMOS transistor
A 140 W LDMOS RF power transistor for broadcast transmitter applications and industrial applications. The transistor can deliver 140 W from HF to 1 GHz. The excellent ruggedness and broadband performance of this device makes it ideal for digital transmitter applications.
Features and benefits
- Easy power control
- Excellent reliability
- Integrated ESD protection
- High power gain
- High efficiency
- Excellent ruggedness
- 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 | 1 | 1000 | MHz | ||
PL(1dB) | nominal output power at 1 dB gain compression | 140 | W | |||
Test signal: CW | ||||||
Gp | power gain | VDS = 50 V | 20 | 21 | dB | |
ηD | drain efficiency | VDS = 50 V; f = 860 MHz; IDq = 0.5 A | 45 | 49 | % | |
PL(PEP) | peak envelope power | VDS = 50 V | 140 | W | ||
IMD3 | third-order intermodulation distortion | VDS = 50 V; IDq = 0.5 A | -34 | -30 | dBc |
Package / Packing
Type number | Package | Outline version | Packing | Product status | Marking |
Orderable part number, (Ordering code (12NC)) |
---|---|---|---|---|---|---|
BLF881 | SOT467C (SOT467C) |
sot467c_po | Bulk Pack | Transferred | Standard Marking |
BLF881,112 (9340 639 47112) |
Pinning info
Pin | Symbol | Description | Simplified outline | Graphic symbol |
---|---|---|---|---|
1 | D | drain | ||
2 | G | gate | ||
3 | S | source |
Ordering & availability
Type number | Ordering code (12NC) | Orderable part number | Distributor | Buy online | Samples |
---|---|---|---|---|---|
BLF881 | 9340 639 47112 | BLF881,112 | Flip Electronics | Buy | Not available |
Documentation
Title | Type | Date | |
---|---|---|---|
UHF power LDMOS transistor | Data sheet | 2015-12-07 | |
174 MHz to 230 MHz DVB-T power amplifier with the BLF881 | Application note | 2015-12-07 | |
Mounting and soldering of RF transistors in air cavity packages | Application note | 2024-05-23 | |
RF power solutions for ISM, broadcast, navigation and safety radio applications | Brochure | 2024-10-25 | |
RF power application reports for ISM, broadcast, navigation and safety radio applications | Brochure | 2024-10-08 | |
Packages for RF power transistors | Leaflet | 2024-10-25 |
Design support
Title | Type | Date | |
---|---|---|---|
Printed-Circuit Board (PCB) BLF881(S) (Data sheet) | Design support | 2012-02-24 | |
Printed-Circuit Board (PCB) BLF881(S) (AN10945) | Design support | 2012-02-24 | |
BLF881(S) Model for ADS (Keysight Advanced Design System) | Simulation model | 2023-05-24 |