BLF6G38LS-50
Download datasheetWiMAX power LDMOS transistor
50 W LDMOS power transistor for base station applications at frequencies from 3400 MHz to 3800 MHz.
Features and benefits
- Qualified up to a maximum VDS operation of 32 V
- Suitable for operation in the 3.4 GHz to 3.8 GHz frequency range
- Integrated ESD protection
- Excellent ruggedness
- High efficiency
- Excellent thermal stability
- Designed for broadband operation
- Internally matched for ease of use
- Low gold plating thickness on leads
- Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances (RoHS)
Applications
- RF power amplifiers for base stations and multicarrier applications in the 3400 MHz to 3800 MHz frequency range
Parametrics
| Symbol | Parameter | Conditions | Min | Typ/Nom | Max | Unit |
|---|---|---|---|---|---|---|
| frange | frequency range | 3400 | 3800 | MHz | ||
| PL(3dB) | nominal output power at 3 dB gain compression | 50 | W | |||
| Test signal: NCDMA/IS95 | ||||||
| Gp | power gain | PL(AV) = 9 W; VDS = 28 V | 12.5 | 14 | dB | |
| RLin | input return loss | PL(AV) = 9 W; VDS = 28 V; IDq = 450 mA | -10 | dB | ||
| ηD | drain efficiency | PL(AV) = 9 W; VDS = 28 V; 3400 MHz < f < 3800 MHz; IDq = 450 mA | 20 | 23 | % | |
| PL(AV) | average output power | 9 | W | |||
| PL(M) | peak output power | PL(AV) = 9 W | 65 | 70 | W | |
| ACPR1980k | adjacent channel power ratio (1980 kHz) | PL(AV) = 9 W; VDS = 28 V; 3400 MHz < f < 3800 MHz; IDq = 450 mA [0] | -64 | -62 | dBc | |
| ACPR885k | adjacent channel power ratio (885 kHz) | PL(AV) = 9 W; VDS = 28 V; 3400 MHz < f < 3800 MHz; IDq = 450 mA [0] | -49 | -46 | dBc | |
Package / Packing
All type numbers in the table below are discontinued.
| Type number |
Package type, (Package outline) |
Outline version | Packing | Product status | Marking |
Orderable part number, (Ordering code (12NC)) |
|---|---|---|---|---|---|---|
| BLF6G38LS-50 | ACC-780 (SOT502B) |
sot502b_po | Reel 13" Q1/T1 | Withdrawn | Standard Marking |
BLF6G38LS-50,118 (9340 611 74118) |
| Bulk Pack | Withdrawn | Standard Marking |
BLF6G38LS-50,112 (9340 611 74112) |
Discontinuation information
Pinning info
| Pin | Symbol | Description | Simplified outline | Graphic symbol |
|---|---|---|---|---|
| 1 | D | drain |
|
|
| 2 | G | gate | ||
| 3 | S | source |
Documentation
| Title | Type | Date | |
|---|---|---|---|
| WiMAX power LDMOS transistor | Data sheet | 2015-12-07 | |
| Mounting and soldering of RF transistors in air cavity packages | Application note | 2025-02-03 | |
| Packages for RF power transistors | Leaflet | 2025-06-20 | |
| RF power solutions for Wireless Infrastructure | Brochure | 2025-08-08 |
Design support
| Title | Type | Date | |
|---|---|---|---|
| BLF6G38-50 Model for ADS 2016 (Keysight Advanced Design System) | Simulation model | 2017-03-28 | |
| Printed-Circuit Board (PCB) BLF6G38(LS)-50 (Data sheet) | Design support | 2018-04-13 |