BLF3G21-30
Download datasheetThis device has been transferred from Ampleon to Rochester Electronics.
BLF3G21-30
Download datasheetThis device has been transferred from Ampleon to Rochester Electronics.
UHF power LDMOS transistor
30 W LDMOS power transistor for base station applications at frequencies from HF to 2200 MHz.
Features and benefits
- Excellent back-off linearity
- Easy power control
- Excellent ruggedness
- High power gain
- Excellent thermal stability
- Designed for broadband operation (HF to 2200 MHz)
- No internal matching for broadband operation
- ESD protection
Applications
- RF power amplifiers for GSM, PHS, EDGE, CDMA and W-CDMA base stations
- Multicarrier applications in the HF to 2200 MHz frequency range
- Broadcast drivers
Parametrics
| Symbol | Parameter | Conditions | Min | Typ/Nom | Max | Unit |
|---|---|---|---|---|---|---|
| frange | frequency range | 1800 | 2200 | MHz | ||
| PL(1dB) | nominal output power at 1 dB gain compression | 30 | W | |||
| Test signal: CW | ||||||
| Gp | power gain | VDS = 26 V | 12.5 | 13.5 | dB | |
| RLin | input return loss | VDS = 26 V; IDq = 450 mA | -16 | -11 | dB | |
| ηD | drain efficiency | VDS = 26 V; f = 2000 MHz; IDq = 450 mA | 32 | 35 | % | |
| PL(PEP) | peak envelope power | 30 | W | |||
| IMD3 | third-order intermodulation distortion | PL(PEP) < 10 W; VDS = 26 V; IDq = 450 mA | -50 | dBc | ||
| IMD3 | third-order intermodulation distortion | PL(PEP) = 30 W; VDS = 26 V; IDq = 450 mA | -26 | -23 | dBc | |
Package / Packing
| Type number | Package | Outline version | Packing | Product status | Marking |
Orderable part number, (Ordering code (12NC)) |
|---|---|---|---|---|---|---|
| BLF3G21-30 | SOT467C (SOT467C) |
sot467c_po | Bulk Pack | Transferred | Standard Marking |
BLF3G21-30,112 (9340 579 09112) |
Pinning info
| Pin | Symbol | Description | Simplified outline | Graphic symbol |
|---|---|---|---|---|
| 1 | D | drain |
|
|
| 2 | G | gate | ||
| 3 | S | source |
Ordering & availability
| Type number | Ordering code (12NC) | Orderable part number | Distributor | Buy online | Samples |
|---|---|---|---|---|---|
| BLF3G21-30 | 9340 579 09112 | BLF3G21-30,112 | Rochester Electronics | Buy | Not available |
Documentation
| Title | Type | Date | |
|---|---|---|---|
| UHF 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 | 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 | |
|---|---|---|---|
| BLF3G21-30 26 V 450 mA S-parameter data | S-parameter | 2012-06-08 |