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| PartNumber | KST5551MTF | KST5551 | KST5551-MTF |
| Description | Bipolar Junction Transistor, NPN Type, SOT-23 | ||
| Manufacturer | FAIRCHILD | FAIRCHILD | - |
| Product Category | Transistors (BJT) - Single | Transistors (BJT) - Single | - |
| RoHS | Details | Details | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOT-23 | SOT-23 | - |
| Transistor Polarity | NPN | NPN | - |
| Configuration | Single | Single | - |
| Collector Emitter Voltage VCEO Max | 160 V | 160 V | - |
| Collector Base Voltage VCBO | 180 V | 180 V | - |
| Emitter Base Voltage VEBO | 6 V | 6 V | - |
| Collector Emitter Saturation Voltage | 0.2 V | 0.2 V | - |
| Maximum DC Collector Current | 0.6 A | 0.6 A | - |
| Gain Bandwidth Product fT | 300 MHz | 300 MHz | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Brand | Fairchild Semiconductor | Fairchild Semiconductor | - |
| Continuous Collector Current | 0.6 A | 0.6 A | - |
| DC Collector/Base Gain hfe Min | 80 | 80 | - |
| DC Current Gain hFE Max | 250 | 250 | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Packaging | Reel | Reel | - |
| Pd Power Dissipation | 350 mW | 350 mW | - |
| Part # Aliases | KST5551MTF_NL | KST5551MTF_NL | - |
| Unit Weight | 0.002116 oz | 0.002116 oz | - |