| Part Number | BF257 Datasheet |
|---|---|
| Manufacturer | STMicroelectronics |
| Overview | The BF257, BF258 and BF259 are silicon planar epitaxial NPN transistors in Jedec TO-39 metal case. They are particularly designed for videooutput stages in CTV and MTV sets, class A audio output stage. mbol I CB O Parameter Collector Cutoff Current (I E = 0) Collector-base Breakdown Voltage (I E = 0) Collector-emitter Breakdown Voltage (I B = 0) Emittter-base Breakdown Voltage (I C = 0) Collector-emitter Saturation Voltage DC Current Gain Transition Frequency Reverse Capacitance Test Conditions fo. |
BF257 Datasheet and Specifications PDF
The BF257 is a HIGH VOLTAGE VIDEO AMPLIFIERS.
Key Specifications
| Max Operating Temp | 175 °C |
|---|
| Part Number | BF257 Datasheet |
|---|---|
| Description | NPN SILICON HIGH VOLTAGE TRANSISTORS |
| Manufacturer | Continental Device India |
| Overview | SYMBOL Collector Emitter Voltage VCEO Collector Base Voltage VCBO Emitter Base Voltage VEBO Collector Current Continuous IC Peak ICM Total Power Dissipation @ Ta=25ºC PD Derate Above 25º. . |
| Part Number | BF257 Datasheet |
|---|---|
| Description | Bipolar NPN Device |
| Manufacturer | Seme LAB |
| Overview | BF257 Dimensions in mm (inches). 8.51 (0.34) 9.40 (0.37) 7.75 (0.305) 8.51 (0.335) 6.10 (0.240) 6.60 (0.260) 12.70 (0.500) min. (00.0.8395)max. 0.41 (0.016) 0.53 (0.021) dia. 5.08 (0.200) typ. 0.. . |
| Part Number | BF257 Datasheet |
|---|---|
| Description | HIGH VOLTAGE TRANSISTOR |
| Manufacturer | Motorola Semiconductor |
| Overview | MAXIMUM RATINGS Rating Collector-Emitter Voltage Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage Collector Current - Continuous @TaTotal Device Dissipation = 25°C Derate . . |