BLF1043
Download datasheetThis device has been transferred from Ampleon to Rochester Electronics.
UHF power LDMOS transistor
10 W LDMOS power transistor for base station applications at frequencies from HF to 1000 MHz.
Features and benefits
- Easy power control
- Excellent ruggedness
- High power gain
- Excellent thermal stability
- Designed for broadband operation (HF to 1000 MHz)
- No internal matching for broadband operation
- SMD package
Applications
- RF power amplifiers for GSM, EDGE and CDMA base stations
- Multicarrier applications in the 800 MHz to 1000 MHz frequency range
- Broadcast drivers
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 | 10 | W | |||
| Test signal: CW | ||||||
| Gp | power gain | PL = 10 W; VDS = 26 V | 16.5 | dB | ||
| ηD | drain efficiency | VDS = 26 V; f = 960 MHz; IDq = 85 mA | 38 | % | ||
| IMD3 | third-order intermodulation distortion | VDS = 26 V; IDq = 85 mA | -25 | dBc | ||
Package / Packing
| Type number |
Package type, (Package outline) |
Outline version | Packing | Product status | Marking |
Orderable part number, (Ordering code (12NC)) |
|---|---|---|---|---|---|---|
| BLF1043 | SOT538 (SOT538A) |
sot538a_po | Reel 11¼" Q1/T1 in LargePack | Transferred | Standard Marking |
BLF1043,135 (9340 557 08135) |
| Bulk Pack | Transferred | Standard Marking |
BLF1043,112 (9340 557 08112) |
Pinning info
| Pin | Symbol | Description | Simplified outline | Graphic symbol |
|---|---|---|---|---|
| 1 | D | drain |
|
|
| 2 | G | gate | ||
| 3 | S | source [0] |
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 | |
|---|---|---|---|
| BLF1043 28 V 50 mA S-parameter data | S-parameter | 2012-07-22 |