Power LDMOS transistor
A 170 W LDMOS transistor for broadcast, avionics and non-cellular communication applications. The excellent ruggedness of this device makes it ideal for digital and analog transmitter applications in the frequency range from HF to 1400 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
- Broadcast transmitter applications
- Avionics applications up to 1400 MHz
- Non-cellular communication applications
Parametrics
| Symbol | Parameter | Conditions | Min | Typ/Nom | Max | Unit |
|---|---|---|---|---|---|---|
| frange | frequency range | 1 | 1400 | MHz | ||
| PL(1dB) | nominal output power at 1 dB gain compression | 170 | W | |||
| Test signal: Pulsed CW | ||||||
| VDS | drain-source voltage | PL = 170 W [0] | 50 | V | ||
| Gp | power gain | PL = 170 W [0] | 22.5 | 23.8 | dB | |
| RLin | input return loss | PL = 170 W [0] | -12 | -9 | dB | |
| ηD | drain efficiency | PL = 170 W [0] | 69 | 73 | % | |
Package / Packing
| Type number | Package | Outline version | Packing | Product status | Marking |
Orderable part number, (Ordering code (12NC)) |
|---|---|---|---|---|---|---|
| BLP981 | TO270 (TO-270-2F-1) |
to270_2f-1 | TR13; 500-fold; 24 mm; dry pack | Active | Standard Marking |
BLP981Z (9349 610 24515) |
| TR7; 100-fold; 24 mm; dry pack | Active | Standard Marking |
BLP981XY (9349 610 24538) |
Pinning info
| Pin | Symbol | Description | Simplified outline | Graphic symbol |
|---|---|---|---|---|
| 1 | D | drain |
|
|
| 2 | G | gate | ||
| 3 | S | source [1] |
Ordering & availability
| Type number | Ordering code (12NC) | Orderable part number | Distributor | Buy online | Samples |
|---|---|---|---|---|---|
| BLP981 | 9349 610 24515 | BLP981Z | RFMW | Buy | Not available |
| BLP981 | 9349 610 24538 | BLP981XY | DigiKey | Buy | Request samples |
| RFMW | Buy |
Documentation
| Title | Type | Date | |
|---|---|---|---|
| Power LDMOS transistor | Data sheet | 2024-12-16 | |
| Mounting and soldering of RF transistors in overmolded plastic packages | Application note | 2025-02-03 | |
| RF power solutions for ISM, broadcast, navigation and safety radio applications | Brochure | 2025-02-12 | |
| 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) BLP981 (Data sheet) | Design support | 2025-01-13 | |
| BLP981 Model for ADS (Keysight Advanced Design System) | Simulation model | 2025-02-27 |