Power LDMOS transistor
A 135 W LDMOS transistor for non cellular communication and industrial applications. The excellent ruggedness of this device makes it ideal for mobile NCC and ISM applications in the frequency range from HF to 1300 MHz.
Features and benefits
- Designed for broadband operation
- High efficiency
- Integrated dual sided ESD protection
- Excellent ruggedness
- High power gain
- Excellent reliability
- Easy power control
- Excellent stability
- For RoHS compliance see the product details on the Ampleon website
Applications
- Non cellular communication applications
- Industrial, scientific and medical applications
Parametrics
| Symbol | Parameter | Conditions | Min | Typ/Nom | Max | Unit |
|---|---|---|---|---|---|---|
| frange | frequency range | 10 | 1300 | MHz | ||
| PL(1dB) | nominal output power at 1 dB gain compression | 135 | W | |||
| Test signal: Pulsed RF | ||||||
| VDS | drain-source voltage | PL = 135 W [0] | 32 | V | ||
| Gp | power gain | PL = 135 W [0] | 19.3 | 20.3 | dB | |
| RLin | input return loss | PL = 135 W [0] | -9 | -6 | dB | |
| ηD | drain efficiency | PL = 135 W [0] | 63 | 67 | % | |
Package / Packing
| Type number | Package | Outline version | Reflow-/Wave soldering |
Packing | Product status | Marking |
Orderable part number, (Ordering code (12NC)) |
|---|---|---|---|---|---|---|---|
| BLF944P | CDFM4 (SOT1228A) |
sot1228a_po | Tray; 20-fold; non-dry pack | Active | Standard Marking |
BLF944PU (9349 606 51112) |
Pinning info
| Pin | Symbol | Description | Simplified outline | Graphic symbol |
|---|---|---|---|---|
| 1 | D1 | drain 1 |
|
|
| 2 | D2 | drain 2 | ||
| 3 | G1 | gate 1 | ||
| 4 | G2 | gate 2 | ||
| 5 | S | souce |
Ordering & availability
| Type number | Ordering code (12NC) | Orderable part number | Distributor | Buy online | Samples |
|---|---|---|---|---|---|
| BLF944P | 9349 606 51112 | BLF944PU | DigiKey | Buy | Request samples |
| RFMW | Buy |
Ordering & availability
| Type number | Ordering code (12NC) | Orderable part number | Distributor | Buy online | Samples |
|---|---|---|---|---|---|
| BLF944P | 9349 606 51112 | BLF944PU | DigiKey | Buy | Request samples |
| RFMW | Buy |
Documentation
| Title | Type | Date | |
|---|---|---|---|
| Power LDMOS transistor | Data sheet | 2023-09-07 | |
| Measurement results of BLF944P in board #AR232026 tested over 30-520 MHz at 28 V | Report | 2023-05-03 | |
| 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 |
Design support
| Title | Type | Date | |
|---|---|---|---|
| Printed-Circuit Board (PCB) BLF944P (Data sheet) | Design support | 2023-09-19 | |
| BLF944P Model for ADS (Keysight Advanced Design System) | Simulation model | 2023-09-19 |