2N4272 BIPOLAR NPN SILICON TRANSISTOR MECHANICAL DATA Dimensions in mm (inches) 8.51 (0.34) 9.40 (0.37) 7.75 (0.305) 8.51 (0.335) 6.10 (0.240) 6.60 (0.260) FEATURES 12.70 (0.500) min. 0.89 max. (0.035) * GENERAL PURPOSE NPN TRANSISTOR 0.41 (0.016) 0.53 (0.021) dia. * HERMETICALLY SEALED METAL PACKAGE * JAN LEVEL SCREENING OPTIONS 5.08 (0.200) typ. 2.54 (0.100) 2 1 * CECC LEVEL SCREENING OPTIONS 3 0.74 (0.029) 1.14 (0.045) 0.71 (0.028) 0.86 (0.034) 45 TO-39 (TO-205AD) METAL PACKAGE) Underside View PIN 1 - Emitter PIN 2 - Base PAD 3 - Collector ABSOLUTE MAXIMUM RATINGS (Tcase = 25C unless otherwise stated) VCBO Collector - Base Voltage 180V VCEO Collector - Emitter Voltage 140V VEBO Emitter - Base Voltage IC Continuous Collector Current 2.5A Ptot Power Dissipation 10W RJC Thermal Resistance Junction to Case TJ,Tstg Operating and Storage Temperature 6V 15C/W -55 to 175C Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab encourages customers to verify that datasheets are current before placing orders. Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk Document Number 5630 Issue 1 2N4272 ELECTRICAL CHARACTERISTICS (TC = 25C unless otherwise stated) Parameter Test Conditions Min. Typ. Max. Unit V(BR)CBO Collector - Base Breakdown Voltage IC = 100A IE = 0 180 V(BR)CEO Collector - Emitter Breakdown Voltage IC = 10mA IB = 0 140 V(BR)EBO Emitter - Base Breakdown Voltage IE = 100A IC = 0 6 ICBO Collector - Base Cut-off Current VCB = 175V IE = 0 100 A ICEO Collector - Emitter Cut-off Current VCE = 10V IB = 0 10 mA VCE(sat) Collector - Emitter Saturation Voltage IC = 500mA IB = 50mA 0.6 VBE Base - Emitter Voltage IC = 1A VCE = 10V 1.1 hFE Static Forward Current Transfer Ratio IC = 1A VCE = 10V 20 V 140 V -- Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab encourages customers to verify that datasheets are current before placing orders. Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk Document Number 5630 Issue 1