BLS8G2731L-400P
Download datasheetLDMOS S-band radar power transistor
400 W LDMOS power transistor for S-band radar applications in the frequency range from 2.7 GHz to 3.1 GHz.
Features and benefits
- High efficiency
- Excellent ruggedness
- Designed for S-band operation
- Excellent thermal stability
- Easy power control
- Integrated dual sided ESD protection enables excellent off-state isolation
- High flexibility with respect to pulse formats
- Internally matched for ease of use
- Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances (RoHS)
Applications
- S-band radar applications in the frequent range 2.7 GHz to 3.1 GHz
Parametrics
| Symbol | Parameter | Conditions | Min | Typ/Nom | Max | Unit |
|---|---|---|---|---|---|---|
| frange | frequency range | 2700 | 3100 | MHz | ||
| PL(1dB) | nominal output power at 1 dB gain compression | 400 | W | |||
| Test signal: Pulsed RF | ||||||
| Gp | power gain | PL = 400 W; VDS = 32 V [0] | 10.3 | 13 | dB | |
| RLin | input return loss | PL = 400 W; VDS = 32 V [0] | -8 | dB | ||
| ηD | drain efficiency | PL = 400 W; VDS = 32 V [0] | 43 | 47 | % | |
| Pdroop(pulse) | pulse droop power | PL = 400 W [0] | 0 | 0.5 | dB | |
| tr | rise time | PL = 400 W [0] | 5 | 50 | ns | |
| tf | fall time | PL = 400 W; VDS = 32 V [0] | 5 | 50 | ns | |
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)) |
|---|---|---|---|---|---|---|
| BLS8G2731L-400P | ACC-1230 (SOT539A) |
sot539a_po | Bulk Pack | Withdrawn | Standard Marking |
BLS8G2731L-400PU (9340 682 21112) |
Discontinuation information
Pinning info
| Pin | Symbol | Description | Simplified outline | Graphic symbol |
|---|---|---|---|---|
| 1 | D1 | drain1 |
|
|
| 2 | D2 | drain2 | ||
| 3 | G1 | gate1 | ||
| 4 | G2 | gate2 | ||
| 5 | S | source |
Documentation
| Title | Type | Date | |
|---|---|---|---|
| LDMOS S-band radar power 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 | |
|---|---|---|---|
| Printed-Circuit Board (PCB) BLS8G2731L(S)-400P (Data sheet) | Design support | 2015-05-29 |