Siemens BF421
PNP Silicon Transistors
- Max Operating Temp : 150°C
- Min Operating Temp : -65°C
Source:
Octopart
| Part No. | BF421 |
|---|---|
| Datasheet | BF421 Download |
| Manufacturer |  Siemens |
| Description | PNP Silicon Transistors |
| Buy | Stock & Price |
MAXIMUM RATINGS
Parameter Collector-emitter voltage Collector-emitter voltage RBE = 2.7 k Collector-base voltage Emitter-base voltage Collector current Peak base current Junction temperature Storage temperature range Thermal Resistance Junction - ambient Junction - case2) Rth JA Rth JC ≤ ≤ Symbol VCE0 VCER VCB0 VEB0 IC IBM Tj Tstg Values BF 421 – 300 300 Unit BF 423 250 – 250 5 50 100 830 150 – 65 … + 150 mW ˚C mA V Total power dissipation, TC = 88 ˚C Ptot 150 75 K/W 1) 2) For detailed information see chapter Package Outlines. Mounted on Al heat sink 15 mm × 25 mm × 0.5 mm. Semiconductor Group 1 5.91 BF 421 BF 423ELECTRICAL CHARACTERISTICS
at TA = 25 ˚C, unless otherwise specified. Parameter Symbol min. DC characteristics Collector-emitter breakdown voltage IC = 1 mA BF 423 Collector-emitter breakdown voltage IC = 10 µA, RBE = 2.7 k BF 421 Collector-base breakdown voltage IC = 10 µA BF 421 BF 423 Emitter-base breakdown voltage, IE = 10 µA Collector cutoff current VCB = 200 V Collector...
