| Part Number | 2N4401RA | 2N5401RA | 
|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | 
| Category | Transistors - Bipolar (BJT) - Arrays | Transistors - Bipolar (BJT) - Arrays | 
|   |   | |
| Product Status | Active | Active | 
| Transistor Type | NPN | PNP | 
| Current - Collector (Ic) (Max) | 600mA | 600mA | 
| Voltage - Collector Emitter Breakdown (Max) | 40V | 150V | 
| Vce Saturation (Max) @ Ib, Ic | 750mV @ 50mA, 500mA | 500mV @ 5mA, 50mA | 
| Current - Collector Cutoff (Max) | 100nA | 50µA (ICBO) | 
| DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 150mA, 1V | 60 @ 10mA, 5V | 
| Power - Max | 625mW | 625mW | 
| Frequency - Transition | 250MHz | 400MHz | 
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | 
| Mounting Type | Through Hole | Through Hole | 
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) Formed Leads | TO-226-3, TO-92-3 (TO-226AA) Formed Leads | 
| Supplier Device Package | TO-92 (TO-226) | TO-92 (TO-226) |