SILICON EPIBASE PNP DARLINGTON TRANSISTOR BDS21SMD • High DC Current Gain • Hermetic Ceramic Surface Mount Package • Designed For General Purpose Amplifiers and Low Speed Switching Applications • Screening Options Available ABSOLUTE MAXIMUM RATINGS (TC = 25°C unless otherwise stated) VCBO VCEO VEBO IC IB PD TJ Tstg Collector – Base Voltage Collector – Emitter Voltage Emitter – Base Voltage Continuous Collector Current Base Current TC = 25°C Total Power Dissipation at Derate Above 25°C Junction Temperature Range Storage Temperature Range -80V -80V -5V -5A -0.1A 35W 0.2W/°C -65 to +200°C -65 to +200°C THERMAL PROPERTIES Symbols Parameters RθJC Thermal Resistance, Junction To Case Min. Typ. Max. Units 5 °C/W ** This datasheet supersedes document 7603 Semelab Limited 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 Limited Coventry Road, Lutterworth, Leicestershire, LE17 4JB Telephone +44 (0) 1455 556565 Fax +44 (0) 1455 552612 Email: [email protected] Website: http://www.semelab-tt.com Document Number 8218 Issue 1 Page 1 of 2 SILICON EPIBASE PNP DARLINGTON TRANSISTOR BDS21SMD ELECTRICAL CHARACTERISTICS (TC = 25°C unless otherwise stated) Symbols ICBO Parameters Test Conditions Collector-Cut-Off Current VCB = -80V IE = 0 VCB = -60V IE = 0 Min. Typ Max. -0.2 -1.0 TC = 150°C ICEO Collector-Cut-Off Current VCE = -40V IB = 0 -0.5 IEBO Emitter-Cut-Off Current VEB = -5V IC = 0 -2 IC = -0.5A VCE = -3V 1000 IC = -3A VCE = -3V 1000 IC = -3A IB = -12mA -2 IC = -5A IB = -20mA -4 Base-Emitter Saturation Voltage IC = -5A IB = -20mA -2.8 Base-Emitter On Voltage IC = -3A VCE = -3V -3.5 IC = -0.5A VCE = -4V hFE Forward-current transfer ratio (1) (1) VCE(sat) VBE(sat) VBE(on) (1) (1) Collector-Emitter Saturation Voltage Units mA V DYNAMIC CHARACTERISTICS Transition Frequency Notes (1) Pulse Width ≤ 300us, δ ≤ 2% MHz 0.89 (0.035) min. MECHANICAL DATA 3.70 (0.146) 3.41 (0.134) Pad 2 – Collector 4.14 (0.163) 3.84 (0.151) 3.60 (0.142) Max. 3 2 9.67 (0.381) 9.38 (0.369) SMD1 (TO-276AB) Underside View 3.70 (0.146) 3.41 (0.134) 1 10.69 (0.421) 10.39 (0.409) 0.76 (0.030) min. Dimensions in mm (inches) Pad 1 – Base 8 f = 2MHz 11.58 (0.456) 11.28 (0.444) 16.02 (0.631) 15.73 (0.619) fT 0.50 (0.020) 0.26 (0.010) Pad 3 - Emitter Semelab Limited Coventry Road, Lutterworth, Leicestershire, LE17 4JB Telephone +44 (0) 1455 556565 Fax +44 (0) 1455 552612 Email: [email protected] Website: http://www.semelab-tt.com Document Number 8218 Issue 1 Page 2 of 2