Silicon Planar Epitaxial Transistors. Especially Suited Driver Stages

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Silicon Planar Epitaxial Transistors. Especially Suited Driver Stages

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BC557, 557B
Silicon Planar Epitaxial Transistors. Especially Suited Driver Stages Audio Amplifiers, Noise Input Stages Tape Recorders, HI-FI Amplifiers, Signal Processing Circuits Television Receivers.
TO-92 Plastic Package
Dimensions
Minimum 4.32 4.45 3.18 0.41 0.35 1.14 12.70
Maximum 5.33 5.20 4.19 0.55 0.50
1.40 1.53 Dimensions Millimetres
Configuration Emitter Base Collector
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31/05/05 V1.0
BC557, 557B
Absolute Maximum Ratings
Parameter Collector-Emitter Voltage Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage Collector Current Continuous Peak Base Current Peak Emitter Current Peak Power Dissipation 25°C Derate above 25°C Storage Temperature Junction Temperature Thermal Resistance Junction Ambient Rth(j-a) °C/W Symbol VCEO VCES VCBO VEBO Tstg Rating +150 mW/°C Unit
Electrical Characteristics 25°C Unless Otherwise Specified)
Parameter Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage Symbol VCEO VCBO VEBO ICBO Collector-Cut Current ICES Test Condition 2mA, 100µA. 100µA, 30V, 150°C 30V, 80V, Rating >5.0 <5.0 Unit
Collector-Cut Current
ICES
125°C 80V, 10µA, 2mA, 100mA, BC557B BC557 BC557B BC557B
<4.0 Typical Typical
Current Gain
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31/05/05 V1.0
BC557, 557B
Electrical Characteristics 25°C Unless Otherwise Specified)
Parameter Symbol Test Condition 10mA, 0.5mA 100mA, 10mA, 0.5mA 100mA, 2mA, 10mA, Rating <0.30 <0.65 Unit
Collector Emitter Saturation Voltage
VCE(Sat)
Base Emitter Saturation Voltage
VBE(sat)
Typical 0.70 Typical 0.90
Base Emitter Voltage Dynamic Characteristics Transition Frequency Collector output Capacitance Emitter Input Capacitance Noise Figure
VBE(on)
0.55 0.70 <0.82
Ccbo
10mA, 100MHz 10V, 1MHz 0.5V, 1MHz 0.2mA, 1kHz 200Hz 2mA, 557B
Typical <6.0
Typical
Small Signal Current Gain
Typical
Input Impedance
2mA, 557B
Voltage Feedback Ratio
2mA, 557B
Typical
X10-4
Admittance
2mA, 557B
umhos
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31/05/05 V1.0
BC557, 557B
Specifications
VCEO maximum VCBO maximum minimum minimum (MHz) Ptot (mW) Package Part Number BC557 BC557B
TO-92
Page
31/05/05 V1.0
BC557, 557B
Notes:
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