BC107 BC108 BC109 MECHANICAL DATA Dimensions in mm (inches) GENERAL PURPOSE SMALL SIGNAL NPN BIPOLAR TRANSISTOR 5.84 (0.230) 5.31 (0.209) 12.7 (0.500) min. 5.33 (0.210) 4.32 (0.170) 4.95 (0.195) 4.52 (0.178) 0.48 (0.019) 0.41 (0.016) dia. FEATURES • SILICON NPN • HERMETICALLY SEALED TO18 2.54 (0.100) Nom. • SCREENING OPTIONS AVAILABLE 3 1 2 TO–18 METAL PACKAGE Underside View PIN 1 – Emitter PIN 2 – Base PIN 3 – Collector ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise stated) VCBO VCEO Collector – Base Continuous Voltage BC017 50V BC108, BC109 30V Collector – Emitter Continuous Voltage With Zero Base Current BC107 45V BC108, BC109 VCES VEBO 20V Collector – Emitter Continuous Voltage With Base Shortcircuited to Emitter Emitter – Base Continuous Voltage Reverse Voltage BC107 50V BC108, BC109 30V BC107 6V BC108, BC109 5V IC Continuous Collector Current 100mA ICM Peak Collector Current 200mA Ptot Power Dissipation @ Tamb = 25°C 300mW Tamb Ambient Operating Temperature Range -65 to +175°C Tstg Storage Temperature Range -65 to +175°C Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. e-mail [email protected] Website http://www.semelab.co.uk 3/99 BC107 BC108 BC109 ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise stated) Parameter Typ. Max. Unit BC107 15 VCB = 25V BC108, BC109 15 Collector-Emitter Leakage Current VCB = 45V BC107 4 @Tamb =125°C VCB = 25V BC108, BC109 4 Emitter Cut-off Current VEB = 4V IC = 0 1 VCE = 5V IC = 2mA Group A BC107, BC108 110 220 Group B All Types 180 460 Group C BC108, BC109 380 800 BC107 110 460 BC108 110 800 BC109 180 800 Collector-Base Leakage Current ICBO(1) h21E Min. VCB = 45V ICBO(1) IEBO Test Conditions Static Forward Current Transfer Ratio nA µA µA VBE Base – Emitter Breakdown VCE = 5V IC = 2mA 0.7 V VBE(sat)(1) Base – Emitter Saturation Voltage IB = 0.5mA IC = 10mA 0.83 V VCE(sat)(1) Collector – Emitter Saturation Voltage IB = 0.5mA IC = 10mA 0.25 V fT Transition Frequency VCE = 5V IC = 10mA f = 100MHz VCE = 5V F Noise Factor MHz 150 IC = 0.2mA R = 2kΩ f =1kHz ∆F=200Hz BC109 4 BC107, BC108 10 dB VCE = 5V IC = 2mA f =100kHz BC107, BC108 125 260 Small Signal Forward Current Transfer Group B All Types 240 500 Ratio BC108, BC109 450 900 BC107 125 500 BC108 125 900 BC109 240 900 Group A h21e Group C VCE = 5V IC = 2mA f = 1kHz h11e Common Emitter Input Impedance Group A BC107, BC108 1.6 4.5 Group B All Types 3.2 8.5 Group C BC108, BC109 6.0 15 kΩ VCE = 5V IC = 2mA f = 1kHz h22e Common Emitter Output Admittance C22b Common Base Output Capacitance Rth(j-amb) Thermal Resistance: Junction to Group A BC107, BC108 30 Group B All Types 60 Group C BC108, BC109 110 VCB = 10V f = 1MHz Ambient Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. e-mail [email protected] Website http://www.semelab.co.uk µS 6 pF 500 °C/W 3/99