BLF2043F
Download datasheetThis device has been transferred from Ampleon to Rochester Electronics.
UHF power LDMOS transistor
Silicon N-channel enhancement mode lateral D-MOS transistor encapsulated in a 2-lead flange package (SOT467C) with a ceramic cap.
Features and benefits
- High power gain
- Easy power control
- Excellent ruggedness
- Source on mounting base eliminates DC isolators, reducing common mode inductance
- Designed for broadband operation (HF to 2.2 GHz)
Applications
- Communication transmitter applications in the UHF frequency range
- Broadband applications (HF to 2.2 GHz)
Parametrics
| Symbol | Parameter | Conditions | Min | Typ/Nom | Max | Unit |
|---|---|---|---|---|---|---|
| frange | frequency range | 1 | 2200 | 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 | 11 | dB | ||
| ηD | drain efficiency | PL = 10 W; VDS = 26 V; f = 2200 MHz; IDq = 85 mA | 30 | % | ||
| PL(PEP) | peak envelope power | 10 | W | |||
Package / Packing
| Type number |
Package type, (Package outline) |
Outline version | Packing | Product status | Marking |
Orderable part number, (Ordering code (12NC)) |
|---|---|---|---|---|---|---|
| BLF2043F | SOT467 (SOT467C) |
sot467c_po | Reel 11¼" Q1/T1 in LargePack | Transferred | Standard Marking |
BLF2043F,135 (934056375135) |
| Bulk Pack | Transferred | Standard Marking |
BLF2043F,112 (934056375112) |
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 | 2015-11-30 | |
| 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 | 2026-04-17 | |
| RF power application reports for ISM, broadcast, navigation and safety radio applications | Brochure | 2026-04-17 | |
| Packages for RF power transistors | Leaflet | 2026-04-17 |
No documentation available.