| PartNumber | SD1274-01 | SD1275 | SD1274 |
| Description | RF Bipolar Transistors RF Transistor | RF Bipolar Transistors NPN 13.6V 160MHz | RF TRANS NPN 16V M135 |
| Manufacturer | Advanced Semiconductor, Inc. | STMicroelectronics | - |
| Product Category | RF Bipolar Transistors | RF Bipolar Transistors | - |
| RoHS | Y | Y | - |
| Transistor Type | Bipolar Power | Bipolar Power | - |
| Technology | Si | Si | - |
| Transistor Polarity | NPN | NPN | - |
| DC Collector/Base Gain hfe Min | 20 | 20 | - |
| Collector Emitter Voltage VCEO Max | 18 V | 16 V | - |
| Emitter Base Voltage VEBO | 4 V | 4 V | - |
| Continuous Collector Current | 4 A | 8 A | - |
| Minimum Operating Temperature | - 65 C | - 65 C | - |
| Maximum Operating Temperature | + 200 C | + 150 C | - |
| Mounting Style | Screw Mount | SMD/SMT | - |
| Package / Case | SOT-123 | M135 | - |
| Packaging | Tray | Bulk | - |
| Operating Frequency | 175 MHz | - | - |
| Type | RF Bipolar Power | RF Bipolar Power | - |
| Brand | Advanced Semiconductor, Inc. | STMicroelectronics | - |
| Pd Power Dissipation | 65 W | 70 W | - |
| Product Type | RF Bipolar Transistors | RF Bipolar Transistors | - |
| Subcategory | Transistors | Transistors | - |
| Series | - | SD1275 | - |
| Configuration | - | Single | - |
| Collector Base Voltage VCBO | - | 36 V | - |
| DC Current Gain hFE Max | - | 20 at 250 mA at 5 V | - |
| Height | - | 19.05 mm | - |
| Length | - | 9.78 mm | - |
| Width | - | 9.78 mm | - |
| Maximum DC Collector Current | - | 8 A | - |
| Factory Pack Quantity | - | 40 | - |