BLF369
Download datasheetMulti-use VHF power LDMOS transistor
General purpose 500 W LDMOS RF power transistor for pulsed and continuous wave applications in the HF/VHF band up to 500 MHz.
Features and benefits
- Advanced flange material for optimum thermal behavior and reliability
- Excellent ruggedness
- High power gain
- Designed for broadband operation (HF/VHF band)
- Source on underside eliminates DC isolators, reducing common-mode inductance
- Easy power control
- Integrated ESD protection
- Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances
Applications
- Pulsed applications up to 500 MHz
- Communication transmitter applications in the HF/VHF/UHF band
- Industrial applications up to 500 MHz
Parametrics
| Symbol | Parameter | Conditions | Min | Typ/Nom | Max | Unit |
|---|---|---|---|---|---|---|
| frange | frequency range | 10 | 500 | MHz | ||
| PL(1dB) | nominal output power at 1 dB gain compression | 500 | W | |||
| Test signal: CW | ||||||
| Gp | power gain | PL = 500 W; VDS = 32 V | 17 | 18 | dB | |
| ηD | drain efficiency | PL = 500 W; VDS = 32 V; f = 225 MHz; IDq = 1000 mA | 55 | 60 | % | |
| PL | output power | 500 | W | |||
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)) |
|---|---|---|---|---|---|---|
| BLF369 | SOT800 (SOT800-2) |
sot800-2_po | Bulk Pack | Withdrawn | Standard Marking |
BLF369,112 (934059725112) |
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 |
Ordering & availability
| Type number | 12NC | OPN | Distributor | Buy online | Samples |
|---|---|---|---|---|---|
| BLF369 | 934059725112 | BLF369,112 | RFMW | Buy | Not available |
Documentation
| Title | Type | Date | |
|---|---|---|---|
| Multi-use VHF 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 | 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 |
Design support
| Title | Type | Date | |
|---|---|---|---|
| Printed-Circuit Board (PCB) BLF369 (Data sheet) | Design support | 2012-02-24 |