Part Number:C4H18W500A
Manufacturer:Ampleon
Device Type:GaN (Gallium Nitride), asymmetric Doherty power transistor, 1800–2000 MHz, 500 W peak power, dedicated for 4G/5G macro base station RF final‑stage amplification.
Key Specifications (Tcase=25°C, VDS=48V, W‑CDMA/5G NR signal)
Frequency Range:1800 MHz ~ 2000 MHz (mainstream bands such as n39/n40, B39/B40)
Drain Supply Voltage (VDS):48 V (Typ.), Max 52 V (operating) / 150V (breakdown)
Quiescent Current (IDq):350 mA (Main amp, Typ.)
Average Output Power (PL(AV)):83–85 W (49.2–49.3 dBm)
Peak Output Power (PL(M)):500–550 W (Typ. 500 W)
Power Gain (Gp):15 dB (Typ.)
Drain Efficiency (ηD):59 % (Typ.)
Adjacent Channel Power Ratio (ACPR):−31 dBc (Typ., ≤−50 dBc after linearization)
Input Return Loss (RLin):−16 dB (Typ.)
Package:SOT1258-4 (6-lead, earless flanged, air-cavity plastic)
Thermal Resistance (Junction to Case):0.17–0.19 K/W (at 80–120W power dissipation)
Features:Internal pre-matching, low output capacitance…