
Transistors - Bipolar (BJT) - RF
Transistors - Bipolar (BJT) - RF
Definition:
RF Bipolar Junction Transistors (BJTs) are specialized discrete semiconductor devices designed for high-frequency signal amplification and switching in radio frequency (RF) applications. These transistors leverage the bipolar junction structure (NPN or PNP) to provide excellent gain, linearity, and noise performance in circuits operating at MHz to GHz ranges, making them essential in wireless communication, radar systems, and RF instrumentation.
Product Types:
This category includes:
- Single RF BJTs: Optimized for low-noise amplification (LNA), power amplification (PA), or general RF switching.
- RF Transistor Arrays: Multi-device configurations for balanced or differential circuits.
- Pre-matched RF BJTs: Integrated matching networks for simplified PCB design.
- High-Power RF BJTs: Designed for transmitter stages requiring robust output.
Purchasing Guidance:
1. Frequency Range: Match the transistor s transition frequency (fT) and maximum oscillation frequency (fmax) to your application s operating band.
2. Gain & Noise Figure: Prioritize low-noise models (e.g., <1dB NF) for receivers; opt for high-gain (hFE) variants for signal stages.
3. Power Handling: Ensure the collector current (IC) and power dissipation (Pd) ratings align with your load requirements.
4. Package Type: Select SMD (e.g., SOT-23) for compact designs or through-hole (TO-92) for prototyping.
5. Datasheet Metrics: Verify stability factors (K-factor), S-parameters, and thermal resistance (R JC) for reliable performance.
Ideal for RF engineers, these BJTs balance cost and performance in critical high-frequency designs. Cross-reference part numbers with industry standards (e.g., Infineon, NXP) for compatibility.
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Categories
BFU520AVL
RF TRANS NPN 12V 10GHZ TO236AB
BFR93AR,215
RF TRANS NPN 12V 6GHZ TO236AB
BFP520FE6327
LOW-NOISE SI TRANSISTOR
BFP 182W H6327
RF BIPOLAR TRANSISTOR
MX0912B251Y
MX0912B251Y - NPN SILICON RF POW
ON5040
ON5040 - RF POWER TRANSISTOR (AM
12A02SS-TL-E
BIP PNP 0.8A 12V
BFP720FH6327
RF TRANSISTOR, X BAND, NPN
BFP740FESDH6327
RF TRANSISTOR, X BAND, NPN
BFU550WF
BFU550W - NPN WIDEBAND SILICON R
2N2369
SMALL-SIGNAL BJT
BFR92PE6530HTSA1
RF LOW-NOISE SI TRANSISTOR
2N3799
SMALL-SIGNAL BJT
NSVMMBTH81LT1G
SOT-23 PNP TRANSISTOR 20V
BF799
RF TRANSISTOR, NPN
RZ1214B35YI
RZ1214B35YI - MICROWAVE POWER TR
NESG2101M05-T1-A
NESG2101 - NPN SIGE RF TRANSISTO
NSVMMBTH81LT3G
SOT-23 PNP TRANSISTOR 20V
2SC4901YK-TR-E
2SC4731 - BIPOLAR NPN TRANSISTOR
PBR941
RF SMALL SIGNAL BIPOLAR TRANSIST