| Part Number | 2SD24790RA | 2SD21790RA | 
|---|---|---|
| Manufacturer | Panasonic Electronic Components | Panasonic Electronic Components | 
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Transistor Type | NPN - Darlington | NPN | 
| Current - Collector (Ic) (Max) | 2 A | 5 A | 
| Voltage - Collector Emitter Breakdown (Max) | 100 V | 50 V | 
| Vce Saturation (Max) @ Ib, Ic | 1.5V @ 1mA, 1A | 300mV @ 100mA, 2A | 
| Current - Collector Cutoff (Max) | 100nA (ICBO) | 100nA (ICBO) | 
| DC Current Gain (hFE) (Min) @ Ic, Vce | 8000 @ 1A, 10V | 120 @ 500mA, 2V | 
| Power - Max | 1.5 W | 1 W | 
| Frequency - Transition | 150MHz | 80MHz | 
| Operating Temperature | 150°C (TJ) | 150°C (TJ) | 
| Mounting Type | Through Hole | Through Hole | 
| Package / Case | 3-SIP | 3-SIP | 
| Supplier Device Package | MT-3-A1 | MT-2-A1 |