BD241A-A NPN power transistor Features . This device is qualified for automotive application NPN transistor Applications ) s ( ct u d o Audio, general purpose switching and amplifier transistors r P e 1 2 3 TO-220 Description The devices are manufactured in Planar technology with "Base Island" layout. The resulting transistor shows exceptional high gain performance coupled with very low saturation voltage. t e l o Figure 1. ) (s s b O Internal schematic diagram t c u d o r P e t e l o s b O Table 1. Device summary Order code Marking Package Packaging BD241A-A BD241A TO-220 Tube July 2007 Rev 1 1/9 www.st.com 9 Absolute maximum ratings 1 BD241A-A Absolute maximum ratings Table 2. Absolute maximum ratings Symbol Parameter Collector-emitter voltage (RBE = 100) 70 V VCEO Collector-emitter voltage (IB = 0) 60 V VEBO Emitter-base voltage (IC = 0) 5 V Collector current 3 A Collector peak current (tp < ms) 5 Base current 1 PTOT Total dissipation at Tcase = 25C 40 Tstg Storage temperature ICM IB TJ P e Max. operating junction temperature ) (s t c u d o r P e t e l o s b O ) s ( ct du ro t e l o 2/9 Unit VCER IC s b O Value A A W -65 to 150 C 150 C BD241A-A 2 Electrical characteristics Electrical characteristics (Tcase = 25C; unless otherwise specified) Table 3. Electrical characteristics Symbol Parameter Test Conditions Max. Unit VCE = rated VCEO 0.2 mA Collector cut-off current for BD241A VCE =30V 0.3 mA (IB = 0) for BD241C VCE =60V 0.3 Emitter cut-off current (IC = 0) VEB =5V Collector cut-off current ICES (V BE = 0) ICEO IEBO Collector-emitter VCEO(sus)(1) sustaining voltage (IB = 0) (s) 1 d o r IC =30mA for BD241A for BD241C P e 60 100 t e l o IC =3A _ IB =0.6A VBE(1) Base-emitter voltage IC =3A hFE(1) DC current gain bs O ) Typ. t c u Collector-emitter saturation voltage VCE(sat)(1) Min. VCE =4V IC =1A VCE =4V 25 IC =3A VCE =4V 10 mA mA V V 1.2 V 1.8 V s ( t c 1. Pulsed duration = 300 ms, duty cycle 1.5%. 2.1 u d o Electrical characteristic (curves) r P e Figure 2. t e l o Safe operating area Figure 3. Derating curve s b O 3/9 Electrical characteristics Figure 4. Figure 6. BD241A-A DC current gain Figure 5. Collector-emitter saturation voltage DC current gain Figure 7. ) s ( ct Base-emitter saturation voltage u d o r P e t e l o ) (s Figure 8. od Base-emitter on voltage r P e t e l o s b O 4/9 t c u s b O Figure 9. Resistive load switching time BD241A-A Electrical characteristics Figure 10. Resistive load switching time 2.2 ) s ( ct Test circuits u d o r P e Figure 11. Resistive load switching test circuit t e l o ) (s s b O t c u d o r 1) Fast electronic switch 2) Non-inductive resistor P e t e l o s b O 5/9 Package mechanical data 3 BD241A-A Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK(R) 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 ) s ( ct u d o r P e t e l o ) (s t c u d o r P e t e l o s b O 6/9 s b O BD241A-A Package mechanical data TO-220 Mechanical data mm. DIM. MIN. TYP MAX. A 4.40 4.60 b 0.61 0.88 b1 1.14 1.70 c 0.49 0.70 D 15.25 15.75 D1 ) s ( ct 1.27 E 10 e 2.40 10.40 2.70 e1 4.95 5.15 F 1.23 H1 6.20 J1 2.40 L 13 L1 3.50 u d o 6.60 16.40 L30 28.90 3.75 Q 2.65 ) s ( ct let o s b L20 oP r P e 1.32 -O 2.72 14 3.93 3.85 2.95 u d o r P e t e l o s b O 7/9 Revision history 4 BD241A-A Revision history Table 4. Revision history Date Revision 10-Jul-2007 1 Changes Initial Release ) s ( ct u d o r P e t e l o ) (s t c u d o r P e t e l o s b O 8/9 s b O BD241A-A ) s ( ct Please Read Carefully: u d o Information in this document is provided solely in connection with ST products. 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