| Part Number | KSC1674OTA | KSC1674RTA | 
|---|---|---|
| Manufacturer | Fairchild Semiconductor | onsemi | 
| Category | Transistors - Bipolar (BJT) - RF | Transistors - Bipolar (BJT) - RF | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Transistor Type | NPN | NPN | 
| Voltage - Collector Emitter Breakdown (Max) | 20V | 20V | 
| Frequency - Transition | 600MHz | 600MHz | 
| Noise Figure (dB Typ @ f) | 3dB ~ 5dB @ 100MHz | 3dB ~ 5dB @ 100MHz | 
| Gain | - | - | 
| Power - Max | 250mW | 250mW | 
| DC Current Gain (hFE) (Min) @ Ic, Vce | 70 @ 1mA, 6V | 40 @ 1mA, 6V | 
| Current - Collector (Ic) (Max) | 20mA | 20mA | 
| Operating Temperature | 150°C (TJ) | 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-92-3 | TO-92-3 |