BLF640
Download datasheet This product has been discontinued.Click here for discontinuation information.
BLF640
Download datasheetBroadband power LDMOS transistor
10 W LDMOS power transistor for applications at frequencies from HF to 2200 MHz.
Features and benefits
- Easy power control
- Integrated ESD protection
- Excellent ruggedness
- High efficiency
- Excellent thermal stability
- No internal matching for broadband operation
- Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances
Applications
- RF power amplifiers for applications in the HF to 2200 MHz frequency range
- Broadcast drivers
Parametrics
| Symbol | Parameter | Conditions | Min | Typ/Nom | Max | Unit |
|---|---|---|---|---|---|---|
| frange | frequency range | 10 | 2200 | MHz | ||
| PL(1dB) | nominal output power at 1 dB gain compression | 10 | W | |||
| Test signal: 1-c W-CDMA | ||||||
| Gp | power gain | PL(AV) = 2 W; VDS = 28 V | 17.3 | 19.3 | dB | |
| ηD | drain efficiency | PL(AV) = 2 W; VDS = 28 V; 2110 MHz < f < 2170 MHz; IDq = 100 mA | 29 | 31 | % | |
| ACPR | adjacent channel power ratio | PL(AV) = 2 W; VDS = 28 V; 2110 MHz < f < 2170 MHz; IDq = 100 mA | -39 | -36 | dBc | |
Package / Packing
All type numbers in the table below are discontinued.
| Type number | Package | Outline version | Reflow-/Wave soldering |
Packing | Product status | Marking |
Orderable part number, (Ordering code (12NC)) |
|---|---|---|---|---|---|---|---|
| BLF640 | CDIP2 (SOT538A) |
sot538a_po | Bulk Pack | Withdrawn | Standard Marking |
BLF640U (9340 674 71112) |
Discontinuation information
Pinning info
| Pin | Symbol | Description | Simplified outline | Graphic symbol |
|---|---|---|---|---|
| 1 | D | drain |
|
|
| 2 | G | gate | ||
| 3 | S | source |
Documentation
| Title | Type | Date | |
|---|---|---|---|
| Broadband power LDMOS transistor | Data sheet | 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 | |
|---|---|---|---|
| BLF640 Model for ADS (Keysight Advanced Design System) | Simulation model | 2017-04-14 |