KSR2105 Datasheet PDF and Replacements, Transistor Equivalent Finder, Cross Reference

KSR2105 Datasheet. Specs and Replacement

Type Designator: KSR2105 📄📄

SMD Transistor Code: R55

Material of Transistor: Si

Polarity: Pre-Biased-PNP

Built in Bias Resistor R1 = 4.7 kOhm

Built in Bias Resistor R2 = 10 kOhm

Typical Resistor Ratio R1/R2 = 0.47

Absolute Maximum Ratings

Maximum Collector Power Dissipation (Pc): 0.2 W

Maximum Collector-Base Voltage |Vcb|: 50 V

Maximum Collector-Emitter Voltage |Vce|: 50 V

Maximum Emitter-Base Voltage |Veb|: 10 V

Maximum Collector Current |Ic max|: 0.1 A

Max. Operating Junction Temperature (Tj): 150 °C

Electrical Characteristics

Transition Frequency (ft): 200 MHz

Collector Capacitance (Cc): 5.5 pF

Forward Current Transfer Ratio (hFE), MIN: 30

Noise Figure, dB: -

Package: SOT23

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KSR2105 Substitution

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KSR2105 datasheet

..1. Size:53K fairchild semi

ksr2105.pdf pdf_icon

KSR2105 Switching Application (Bias Resistor Built In) Switching circuit, Inverter, Interface circuit, Driver Circuit 3 Built in bias Resistor (R1=4.7K , R2=10K ) Complement to KSR1105 2 SOT-23 1 1. Base 2. Emitter 3. Collector Equivalent Circuit C Marking R1 B R55 R2 PNP Epitaxial Silicon Transistor E Absolute Maximum Ratings Ta=25 C unless otherwise noted ... See More ⇒

8.1. Size:52K fairchild semi

ksr2101.pdf pdf_icon

KSR2101 Switching Application (Bias Resistor Built In) Switching circuit, Inverter, Interface circuit, Driver Circuit 3 Built in bias Resistor (R1 =4.7K , R2=4.7K ) Complement to KSR1101 2 SOT-23 1 1. Base 2. Emitter 3. Collector Equivalent Circuit C Marking R1 B R51 R2 PNP Epitaxial Silicon Transistor E Absolute Maximum Ratings Ta=25 C unless otherwise noted... See More ⇒

8.2. Size:53K fairchild semi

ksr2107.pdf pdf_icon

KSR2107 Switching Application (Bias Resistor Built In) Switching circuit, Inverter, Interface circuit, Driver Circuit 3 Built in bias Resistor (R1=22K , R2=47K ) Complement to KSR1107 2 SOT-23 1 1. Base 2. Emitter 3. Collector Equivalent Circuit C Marking R1 B R57 R2 PNP Epitaxial Silicon Transistor E Absolute Maximum Ratings Ta=25 C unless otherwise noted ... See More ⇒

8.3. Size:52K fairchild semi

ksr2104.pdf pdf_icon

KSR2104 Switching Application (Bias Resistor Built In) Switching circuit, Inverter, Interface circuit, Driver Circuit 3 Built in bias Resistor (R1=47K , R2=47K ) Complement to KSR1104 2 SOT-23 1 1. Base 2. Emitter 3. Collector Equivalent Circuit C Marking R1 B R54 R2 PNP Epitaxial Silicon Transistor E Absolute Maximum Ratings Ta=25 C unless otherwise noted ... See More ⇒