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See Product Specifications
| Part Number: | MS1261 | 
| Category: | Discrete Semiconductor Products | 
| Subcategory: | Transistors - Bipolar (BJT) - RF | 
| Manufacturer: | Microsemi Corporation | 
| Packaging: | Bulk | 
| Product Status: | Obsolete | 
| Transistor Type: | NPN | 
| Voltage - Collector Emitter Breakdown (Max): | 18V | 
| Frequency - Transition: | 175MHz | 
| Noise Figure (dB Typ @ f): | - | 
| Gain: | 12dB | 
| Power - Max: | 34W | 
| DC Current Gain (hFE) (Min) @ Ic, Vce: | 20 @ 250mA, 5V | 
| Current - Collector (Ic) (Max): | 2.5A | 
| Operating Temperature: | 200°C (TJ) | 
| Mounting Type: | Chassis, Stud Mount | 
| Package / Case: | M122 | 
| Supplier Device Package: | M122 |