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| Part Number | KSD1589OTU | KSD1589YTU | KSD1589RTU | KSD1588OTU | 
|---|---|---|---|---|
| Manufacturer | onsemi | Fairchild Semiconductor | onsemi | onsemi | 
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | 
| Transistor Type | NPN - Darlington | NPN - Darlington | NPN - Darlington | NPN | 
| Current - Collector (Ic) (Max) | 5 A | 5 A | 5 A | 7 A | 
| Voltage - Collector Emitter Breakdown (Max) | 100 V | 100 V | 100 V | 60 V | 
| Vce Saturation (Max) @ Ib, Ic | 1.5V @ 3mA, 3A | 1.5V @ 3mA, 3A | 1.5V @ 3mA, 3A | 500mV @ 500mA, 5A | 
| Current - Collector Cutoff (Max) | 1µA (ICBO) | 1µA (ICBO) | 1µA (ICBO) | 10µA (ICBO) | 
| DC Current Gain (hFE) (Min) @ Ic, Vce | 3000 @ 3A, 2V | 5000 @ 3A, 2V | 2000 @ 3A, 2V | 80 @ 3A, 1V | 
| Power - Max | 1.5 W | 1.5 W | 1.5 W | 2 W | 
| Frequency - Transition | - | - | - | - | 
| Operating Temperature | 150°C (TJ) | 150°C (TJ) | 150°C (TJ) | 150°C (TJ) | 
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | 
| Package / Case | TO-220-3 Full Pack | TO-220-3 Full Pack | TO-220-3 Full Pack | TO-220-3 Full Pack | 
| Supplier Device Package | TO-220F-3 | TO-220F-3 | TO-220F-3 | TO-220F-3 |