This device has been transferred from Ampleon to Rochester Electronics.
UHF push-pull power MOS transistor
Silicon N-channel enhancement mode vertical D-MOS push-pull transistor designed for communications transmitter applications in the UHF frequency range. The transistor is encapsulated in a 4-lead, SOT268A balanced flange package, with two ceramic caps. The mounting flange provides the common source connection for the transistors.
Features and benefits
- High power gain
- Easy power control
- Gold metallization ensures excellent reliability
- Good thermal stability
- Designed for broadband operation
Applications
- UHF range
- Vertical D-MOS transistor designed for communications transmitter applications
Parametrics
| Symbol | Parameter | Conditions | Min | Typ/Nom | Max | Unit |
|---|---|---|---|---|---|---|
| frange | frequency range | 100 | 500 | MHz | ||
| PL(1dB) | nominal output power at 1 dB gain compression | 80 | W | |||
| Test signal: CW | ||||||
| Gp | power gain | PL = 80 W; VDS = 28 V | 11 | 13 | dB | |
| ηD | drain efficiency | VDS = 28 V; f = 500 MHz; IDq = 80 mA | 50 | 60 | % | |
| PL | output power | 80 | W | |||
Package / Packing
| Type number | Package | Outline version | Reflow-/Wave soldering |
Packing | Product status | Marking |
Orderable part number, (Ordering code (12NC)) |
|---|---|---|---|---|---|---|---|
| BLF546 | CDFM4 (SOT268A) |
sot268a_po | Bulk Pack | Transferred | Standard Marking |
BLF546,112 (9340 024 30112) |
Pinning info
| Pin | Symbol | Description | Simplified outline | Graphic symbol |
|---|---|---|---|---|
| 1 | D1 | drain1 |
|
|
| 2 | G1 | gate1 | ||
| 3 | G2 | gate2 | ||
| 4 | D2 | drain2 | ||
| 5 | S | source |
Ordering & availability
| Type number | Ordering code (12NC) | Orderable part number | Distributor | Buy online | Samples |
|---|---|---|---|---|---|
| BLF546 | 9340 024 30112 | BLF546,112 | Rochester Electronics | Buy | Not available |
Ordering & availability
| Type number | Ordering code (12NC) | Orderable part number | Distributor | Buy online | Samples |
|---|---|---|---|---|---|
| BLF546 | 9340 024 30112 | BLF546,112 | Rochester Electronics | Buy | Not available |
Documentation
| Title | Type | Date | |
|---|---|---|---|
| UHF push-pull power MOS transistor | Data sheet | 2015-11-30 | |
| Mounting and soldering of RF transistors in air cavity packages | Application note | 2024-05-23 | |
| RF power solutions for ISM, broadcast, navigation and safety radio applications | Brochure | 2024-10-25 | |
| RF power application reports for ISM, broadcast, navigation and safety radio applications | Brochure | 2024-10-08 | |
| Packages for RF power transistors | Leaflet | 2024-10-25 |
No documentation available.