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| Part Number | KSD1221YTU | KSD1221GTU | KSD1221OTU |
|---|---|---|---|
| Manufacturer | onsemi | onsemi | onsemi |
| Product Status | Obsolete | Obsolete | Obsolete |
| Transistor Type | NPN | NPN | NPN |
| Current - Collector (Ic) (Max) | 3 A | 3 A | 3 A |
| Voltage - Collector Emitter Breakdown (Max) | 60 V | 60 V | 60 V |
| Vce Saturation (Max) @ Ib, Ic | 1V @ 300mA, 3A | 1V @ 300mA, 3A | 1V @ 300mA, 3A |
| Current - Collector Cutoff (Max) | 100µA (ICBO) | 100µA (ICBO) | 100µA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 500mA, 5V | 150 @ 500mA, 5V | 60 @ 500mA, 5V |
| Power - Max | 1 W | 1 W | 1 W |
| Frequency - Transition | 3MHz | 3MHz | 3MHz |
| Operating Temperature | 150°C (TJ) | 150°C (TJ) | 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Package / Case | TO-251-3 Short Leads, IPak, TO-251AA | TO-251-3 Short Leads, IPak, TO-251AA | TO-251-3 Short Leads, IPak, TO-251AA |
| Supplier Device Package | I-PAK | I-PAK | I-PAK |
