This post explains for the transistor.
The Part Number is BF195.
The function of this transistor is NPN Transistor.
Package: TO-92 Type
Manufacturer: Value
Preview images :
1 page
Description
This is NPN Transistor.
File No. Rev. No. : 2049 :A DEVICE SPECIFICATION Page No. TYPE POLARITY APPLICATION PACKAGE : BF194/BF195 : NPN : IF/RF Transistor : TO – 92 C E : 1 of 2
ABSOLUTE MAXIMUM RATINGS: CHARACTERISTIC Collector – Base Voltage Collector – Emitter Voltage Emitter – Base Voltage Total Power Dissipation @ TA = 25°C Collector Current Junction Temperature Storage Temperature THERMAL CHARACTERISTICS Thermal Resistance, junction to Ambient R θJ- A = 0.4°C/mW ELECTRICAL CHARACTERISTICS ( Tamb = 25°C, Unless otherwise specified) CHARACTERISTIC OFF CHARACTERISTICS Collector – Emitter breakdown Voltage (IC = 1.0 mA dc, IB = 0) Collector – Base breakdown voltage (IC = 10 µA dc, IE = 0) Emitter – Base break down voltage (IE = 10 µA dc, IC = 0) ON CHARACTERISTICS DC Current Gain (IC = 1.0 mA dc, VCE = 10.0 V dc) Base – Emitter Voltage (IC =1 mA dc, VCE = 10 V dc) hFE VBE (ON) 38 0.65 200 0.74 BVCEO 20 BVCBO 30 BVEBO 5 SYMBOL MIN MAX SYMBOL RATING VCBO 30 VCEO 20 VEBO 5 PD 250 […]
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage: Vcbo = 30 V
2. Collector to Emitter Voltage: Vceo = 20 V
3. Emitter to Base Voltage: Vebo = 5 V
4. Collector Current: Ic = 30 mA
5. Total Power Dissipation: Pd = 250 mW
6. Junction Temperature: Tj = 125°C
7. Storage Temperature: Tsg = -65 ~ +125°C