BLF645
Download datasheetThis device has been transferred from Ampleon to Flip Electronics.
Broadband power LDMOS transistor
A 100 W LDMOS RF power pushpull transistor for broadcast transmitter and industrial applications. The transistor is suitable for the frequency range HF to 1400 MHz. The excellent ruggedness and broadband performance of this device makes it ideal for digital applications.
Features and benefits
- Integrated ESD protection
- Excellent reliability
- Excellent ruggedness
- High power gain
- High efficiency
- Easy power control
- Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances
Applications
- Communication transmitter applications in the HF to 1400 MHz frequency range
- Industrial applications in the HF to 1400 MHz frequency range
Parametrics
| Symbol | Parameter | Conditions | Min | Typ/Nom | Max | Unit |
|---|---|---|---|---|---|---|
| frange | frequency range | 1 | 1400 | MHz | ||
| PL(1dB) | nominal output power at 1 dB gain compression | 100 | W | |||
| Test signal: CW | ||||||
| Gp | power gain | PL = 100 W; VDS = 32 V | 16.5 | 18 | dB | |
| ηD | drain efficiency | VDS = 32 V; f = 1300 MHz; IDq = 900 mA | 53 | 56 | % | |
| PL | output power | 100 | W | |||
Package / Packing
| Type number | Package | Outline version | Packing | Product status | Marking |
Orderable part number, (Ordering code (12NC)) |
|---|---|---|---|---|---|---|
| BLF645 | SOT540A (SOT540A) |
sot540a_po | Bulk Pack | Transferred | Standard Marking |
BLF645,112 (9340 619 64112) |
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 |
|---|---|---|---|---|---|
| BLF645 | 9340 619 64112 | BLF645,112 | Flip Electronics | Buy | Not available |
Documentation
| Title | Type | Date | |
|---|---|---|---|
| Broadband power LDMOS transistor | Data sheet | 2015-12-07 | |
| BLF645 10 MHz to 600 MHz 120 W amplifier | 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) BLF645 (Data sheet) | Design support | 2012-02-24 | |
| Printed-Circuit Board (PCB) BLF645 (AN10953) | Design support | 2012-02-24 | |
| BLF645 Model for ADS (Keysight Advanced Design System) | Simulation model | 2023-03-17 | |
| 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 |