CGH40045 45 W, DC - 4 GHz RF Power GaN HEMT Description Crees CGH40045 is an unmatched, gallium nitride (GaN) high electron mobility transistor (HEMT). The CGH40045, operating from a 28 volt rail, offers a general purpose, broadband solution to a variety of RF and microwave applications. GaN HEMTs offer high efficiency, high gain and wide bandwidth capabilities making the CGH40045 ideal for linear and compressed amplifier circuits. The transistor is available in a flange and pill package. Package Types: 440193 & 440206 PNs: CGH40045F & CGH40045P Features Applications Up to 4 GHz Operation 2-Way Private Radio 16 dB Small Signal Gain at 2.0 GHz Broadband Amplifiers 12 dB Small Signal Gain at 4.0 GHz Cellular Infrastructure 55 W Typical P Test Instrumentation SAT 55% Efficiency at P Class A, AB, Linear amplifiers suitable for OFDM, SAT 28 V Operation W-CDMA, EDGE, CDMA waveforms Large Signal Models Available for ADS and MWO Rev 4.1 - March 2020 4600 Silicon Drive Durham, NC 27703 wolfspeed.comCGH40045 2 Absolute Maximum Ratings (not simultaneous) at 25C Case Temperature Parameter Symbol Rating Units Conditions Drain-Source Voltage V 120 Volts 25C DSS Gate-to-Source Voltage V -10, +2 Volts 25C GS Storage Temperature T -65, +150 C STG Operating Junction Temperature T 225 C J Maximum Forward Gate Current I 15 mA 25C GMAX 1 Maximum Drain Current I 6 A 25C DMAX 2 Soldering Temperature T 245 C S Screw Torque 40 in-oz 3 Thermal Resistance, Junction to Case R 2.8 C/W 85C JC 3,4 Case Operating Temperature T -40, +150 C C Notes: 1 Current limit for long term, reliable operation 2 Refer to the Application Note on soldering at wolfspeed.com/rf/document-library 3 Measured for the CGH40045F at P = 56 W DISS 4 See also, the Power Dissipation De-rating Curve on Page 8 Electrical Characteristics (T = 25C) C Characteristics Symbol Min. Typ. Max. Units Conditions 1 DC Characteristics Gate Threshold Voltage V -3.8 -3.0 -2.3 V V = 10 V, I = 14.4 mA GS(th) DC DS D Gate Quiescent Voltage V -2.7 V V = 28 V, I = 400 mA GS(Q) DC DS D 2 Saturated Drain Current I 11.6 14.0 A V = 6.0 V, V = 2.0 V DS DS GS Drain-Source Breakdown Voltage V 84 V V = -8 V, I = 14.4 mA BR DC GS D 3 RF Characteristics (T = 25C, F = 2.5 GHz unless otherwise noted) C 0 Small Signal Gain G 12.5 14 dB V = 28 V, I = 400 mA SS DD DQ 4 Power Output P 40 55 W V = 28 V, I = 400 mA SAT DD DQ 5 Drain Efficiency 45 55 % V = 28 V, I = 400 mA, P = P DD DQ OUT SAT No damage at all phase angles, V = 28 V, I = 400 mA, Y DD DQ Output Mismatch Stress VSWR 10 : 1 P = 45 W CW OUT Dynamic Characteristics Input Capacitance C 19.0 pF V = 28 V, V = -8 V, f = 1 MHz GS DS gs Output Capacitance C 5.9 pF V = 28 V, V = -8 V, f = 1 MHz DS DS gs Feedback Capacitance C 0.8 pF V = 28 V, V = -8 V, f = 1 MHz GD DS gs Notes: 1 4 Measured on wafer prior to packaging P is defined as I = 1.08 mA SAT G 2 5 Scaled from PCM data Drain Efficiency = P / P OUT DC 3 Measured in CGH40045F-AMP Rev 4.1 - March 2020 4600 Silicon Drive Durham, NC 27703 wolfspeed.com