STFN42

STFN42 High voltage fast-switching NPN power transistor Features ■ High voltage capability ■ Very high switching speed 4 ) s ( ct 3 Applications 2 ■ Electronic ballasts for fluorescent lighting ■ Battery charger 1 u d o SOT-89 r P e Description This device is a high voltage fast-switching NPN power transistor, manufactured using high voltage multi-epitaxial planar technology for high switching speeds. ) (s It employs a cellular emitter structure with planar edge termination to enhance switching speeds, while maintaining a wide RBSOA. t e l o s b O Figure 1. ct u d o Internal schematic diagram C (2, 4) E (3) (1) B r P e t e l o s b O Table 1. Device summary Order code Marking Packages Packaging STFN42 N42 SOT-89 Tape and reel February 2012 Doc ID 12193 Rev 3 1/10 www.st.com 10 Electrical ratings STFN42 Electrical ratings 1 Table 2. Absolute maximum ratings Symbol Parameter Unit VCES Collector-emitter voltage (VBE = 0) 700 V VCEO Collector-emitter voltage (IB = 0) 400 V VEBO Emitter-base voltage (IC = 0) 9 V Collector current 1 A Collector peak current (tP < 5 ms) 2 IC ICM IB Base current 0.5 IBM Base peak current (tP < 5 ms) PTOT Total dissipation at Ta = 25 °C Tstg Storage temperature TJ Thermal data Symbol Rthj-amb e t e l o s b t(s Thermal resistance junction ambient max c u d e t e ol 1 O ) Parameter ) s ( ct A A u d o Max. operating junction temperature Table 3. o r P s b O 2/10 Value Doc ID 12193 Rev 3 Pr A 1.4 W -65 to 150 °C 150 Value Unit 90 °C/W STFN42 2 Electrical characteristics Electrical characteristics (Tcase = 25°C unless otherwise specified). Table 4. Electrical characteristics Symbol Parameter Test conditions ICES Collector cut-off current VCE = 700 V (VBE = 0) VCE = 700 V; IEBO Collector cut-off current VEB = 9 V (IC =0) Collector-emitter VCEO(sus)(1) sustaining voltage (IB =0) VCE(sat) (1) TC= 125 °C IC = 10 mA Collector-emitter saturation voltage 400 IB = 0.05 A IB = 0.125 A hFE tf (1) Base-emitter saturation voltage DC current gain Inductive load Fall time e t e ol s b O IC = 0.5 A IB = 0.05 A IB = 0.125 A IC = 0.4 A VCE = 5 V IC = 0.8 A VCE = 5 V )- t(s c u d IC = 0.25 A 0.2 0.3 0.4 IB = 0.25 A 0.1 0.5 mA mA 0.1 mA ) s ( ct u d o Pr IC = 0.25 A IC = 0.5 A IC = 0.75 A VBE(sat) (1) Min. Typ. Max. Unit 10 5 V 0.5 1 1.5 V V V 1 1.2 V V 30 20 IC = 250 mA IB(on) = -IB(off) = 50 mA L = 200 µH 0.3 µs 1. Pulse test: pulse duration ≤ 300 µs, duty cycle ≤ 2 %. e t e ol o r P s b O Doc ID 12193 Rev 3 3/10 Electrical characteristics 2.1 STFN42 Electrical characteristics (curve) Figure 2. DC current gain (VCE=3 V) Figure 3. DC current gain (VCE=5 V) ) s ( ct Figure 4. Collector emitter saturation voltage Figure 5. r P e t e l o ) (s s b O t c u Figure 6. P e d o r Switching time inductive load t e l o s b O 4/10 Doc ID 12193 Rev 3 u d o Base emitter saturation voltage STFN42 3 Package mechanical data Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK is an ST trademark. ) s ( ct u d o r P e t e l o ) (s s b O t c u d o r P e t e l o s b O Doc ID 12193 Rev 3 5/10 Package mechanical data Table 5. STFN42 SOT-89 mechanical data mm Dim. Min. Typ. A 1.40 1.60 B 0.44 0.56 B1 0.36 0.48 C 0.35 0.44 C1 0.35 0.44 D 4.40 4.60 D1 1.62 1.83 D3 ) s ( ct u d o 0.90 E 2.29 e 1.42 e1 2.92 H 3.94 H1 2.70 K 1° L 0.89 r P e t e l o bs O ) s ( t c R β u d o r P e t e l o s b O 6/10 Max. Doc ID 12193 Rev 3 2.60 1.57 3.07 4.25 3.10 8° 1.20 0.25 90° STFN42 Package mechanical data Figure 7. SOT-89 drawings ) s ( ct u d o r P e t e l o ) (s s b O t c u d o r P e t e l o ?2%6?% s b O Doc ID 12193 Rev 3 7/10 Package mechanical data Figure 8. STFN42 SOT-89 recommended footprint dimension in millimeters ) s ( ct u d o r P e t e l o ) (s s b O t c u d o r &OOTPRINT P e t e l o s b O 8/10 Doc ID 12193 Rev 3 STFN42 4 Document revision history Document revision history Table 6. Document revision history Date Revision Changes 16-Mar-2006 1 Initial release. 25-Jan-2011 2 Updated package mechanical data. 08-Feb-2012 3 Mechanical data updated ) s ( ct u d o r P e t e l o ) (s s b O t c u d o r P e t e l o s b O Doc ID 12193 Rev 3 9/10 STFN42 ) s ( ct Please Read Carefully: u d o Information in this document is provided solely in connection with ST products. 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