BD441 NPN power transistor Features ■ NPN transistor Applications ■ Linear and switching industrial equipment Description This device is manufactured in planar technology with “base island” layout. The resulting transistor shows exceptional high gain performance coupled with very low saturation voltage. The PNP type is BD442. Table 1. 3 2 1 SOT-32 Figure 1. Internal schematic diagram Device summary Order code Marking Package Packaging BD441 BD441 SOT-32 Tube May 2008 Rev 5 1/9 www.st.com 9 Absolute maximum ratings 1 Absolute maximum ratings Table 2. Absolute maximum ratings Symbol Parameter Value Unit VCBO Collector-base voltage (IE = 0) 80 V VCES Collector-emitter voltage (VBE = 0) 80 V VCEO Collector-emitter voltage (IB = 0) 80 V VEBO Emitter-base voltage (IC = 0) 5 V Collector current 4 A Collector peak current (tp < ms) 7 A Base current 1 A PTOT Total dissipation at Tcase = 25 °C 36 W Tstg Storage temperature -65 to 150 °C 150 °C IC ICM IB TJ 2/9 BD441 Max. operating junction temperature BD441 2 Electrical characteristics Electrical characteristics (Tcase = 25 °C; unless otherwise specified) Table 3. Symbol Electrical characteristics Parameter Test conditions Min. Typ. Max. Unit ICBO Collector cut-off current (IE = 0) VCB = 80 V 0.1 mA ICES Collector cut-off current (VBE = 0) VCE = 80 V 0.1 mA IEBO Emitter cut-off current (IC = 0) VEB = 5 V 1 mA VCEO(sus)(1) Collector-emitter I = 100 mA sustaining voltage (IB = 0) C Collector-emitter saturation voltage IC = 2 A, IB = 0.2 A VBE(1) Base-emitter voltage IC =10 mA, VCE = 5 V IC = 2 A, VCE =1 V hFE(1) DC current gain IC = 10 mA, VCE =5 V IC = 500 mA, VCE =1 V IC = 2 A, VCE =1 V VCE(sat)(1) 80 V 0.8 V 1.5 V V 0.58 15 40 15 130 140 1. Pulsed duration = 300 ms, duty cycle ≥ 1.5%. 3/9 Electrical characteristics 2.1 4/9 BD441 Electrical characteristic (curves) Figure 2. DC current gain Figure 3. DC current gain Figure 4. Collector-emitter saturation voltage Figure 5. Base-emitter saturation voltage Figure 6. Base-emitter on voltage Figure 7. Resistive load switching time BD441 Electrical characteristics Figure 8. 2.2 Resistive load switching time Test circuit Figure 9. Resistive load switching test circuit 1) Fast electronic switch 2) Non-inductive resistor 5/9 Package mechanical data 3 BD441 Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com 6/9 BD441 Package mechanical data 7/9 Revision history BD441 4 Revision history Table 4. 8/9 Revision history Date Revision Changes 01-Dec-2000 1 Initial Release 11-Feb-2003 2 Minor text changes 03-Apr-2007 3 The document has been reformatted. 16-Jul-2007 4 Figure 2, 3, 4, 5, 6, 7, 8 and figure 9 added. 20-May-2008 5 Removed part number BD439 BD441 Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. 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