Product Overview 2N4921: Medium Power NPN Bipolar Power Transistor For complete documentation, see the data sheet Product Description The Power 3 A, 80 V Bipolar NPN Transistor is designed for driver circuits, switching and amplifier applications. Features • • • • • • Low Saturation Voltage - VCE(sat) = 0.6 Vdc (Max) @ IC = 1.0 Amp Excellent Power Dissipation Due to Thermopad Construction - PD = 30 W @ TC = 25°C Excellent Safe Operating Area Gain Specified to IC = 1.0 Amp Complement of PNP 2N4918, 2N4919, 2N4920 Pb-Free Packages are Available Part Electrical Specifications Product Compliance Status Polarity Type VCE(sat) Max (V) IC Continuo us (A) V(BR)CEO Min (V) hFE Min hFE Max fT Min (MHz) PTM Max (W) Package Type 2N4921G Pb-free Active NPN General Purpose 0.6 1 40 30 150 3 30 TO-2253 Halide free For more information please contact your local sales support at www.onsemi.com Created on: 6/30/2016