ST901T STD901T High voltage NPN Darlington transistor for ignition coil Features High voltage special Darlington structure Very rugged bipolar technology High DC current gain TAB TAB 3 1 Application DPAK 3 1 High ruggedness electronic ignition for small engines 2 TO-220 Description The device is a high voltage NPN transistor in monolithic special Darlington configuration designed for applications such as electronic ignition for small engines (scooters, lawnmowers, chainsaws). Figure 1. Internal schematic diagram C (2, TAB) B (1) E Table 1. (3) Device summary Order code Marking Packages Packaging ST901T 901T TO-220 Tube STD901T D901T DPAK Tape and reel February 2011 Doc ID 4510 Rev 5 1/12 www.st.com 12 Contents ST901T, STD901T Contents 1 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 Electrical characteristics (curves) ............................ 5 3 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2/12 Doc ID 4510 Rev 5 ST901T, STD901T 1 Electrical ratings Electrical ratings Table 2. Absolute maximum ratings Symbol Parameter Value Unit VCES Collector-emitter voltage (VBE = 0) 500 V VCEO Collector-emitter voltage (IB = 0) 350 V VEBO Emitter-base voltage (IC = 0) 5 V Collector current 4 A Collector peak current (tp < 5 ms) 8 A Base current 0.5 A IBM Base peak current (tp < 5 ms) 2.5 A Ptot Total dissipation at TC = 25 C for ST901T 100 W Ptot Total dissipation at TC = 25 C for STD901T 35 W Tstg Storage temperature -65 to 150 C 150 C Value Unit IC ICM IB TJ Table 3. Symbol Max. operating junction temperature Thermal data Parameter Rthj-case Thermal resistance junction-case max for ST901T 1.25 C/W Rthj-case Thermal resistance junction-case max for STD901T 3.57 C/W Doc ID 4510 Rev 5 3/12 Electrical characteristics 2 ST901T, STD901T Electrical characteristics (Tcase = 25C unless otherwise specified). Table 4. Symbol Electrical characteristics Parameter Test conditions Typ. Max. Unit ICES Collector cut-off current VCE = 500 V (IE = 0) VCE = 500 V Tcase=125 C 100 500 A A ICEO Collector cut-off current VCE = 350 V (IB = 0) VCE = 350 V Tcase = 125 C 100 500 A A IEBO Emitter cut-off current (IC = 0) 10 A Collector-emitter VCEO(sus)(1) sustaining voltage (IB = 0 ) VEB = 5 V IC = 10 mA 350 V VCE(sat)(1) Collector-emitter saturation voltage IC = 2 A IB = 20 mA 2 V VBE(sat)(1) Base-emitter saturation voltage IC = 2 A IB = 20 mA 1.8 V DC current gain IC = 2 A IC = 4 A VCE = 2 V VCE = 2 V Functional test VCC = 24 V L = 4 mH Inductive load storage time fall time L = 4 mH VCC = 12 V Vclamp = 250 V IC = 2 A IB(on) = 20 mA VBE(off) = -3 V hFE ts tf 1. Pulse test: pulse duration 300 s, duty cycle 2 % 4/12 Min. Doc ID 4510 Rev 5 Vclamp = 350 V 1800 500 3800 4 A 15 1.5 s s ST901T, STD901T 2.1 Electrical characteristics Electrical characteristics (curves) Figure 2. Collector-emitter saturation voltage (hFE = 100) AM08502v1 VCE(sat) (V) 1.4 Figure 3. Base-emitter saturation voltage (hFE = 100) AM08503v1 VBE(sat) (V) TJ = -40 C 1.8 TJ = -40 C 1.2 1.6 1 1.4 0.8 1.2 TJ = 25 C TJ = 125C TJ = 25 C 0.6 1 TJ = 125 C 0.4 0.1 Figure 4. IC 10 (A) 1 DC current gain (VCE = 2 V) 0.8 0.1 Figure 5. IC (A) 1 DC current gain (VCE = 5 V) AM08504v1 AM08508v1 h FE 10000 h FE TJ = 25 C TJ = 125 C TJ = 25 C TJ = 125 C 1000 1000 TJ = -40 C TJ = -40 C 100 0.1 1 IC (A) 100 Doc ID 4510 Rev 5 0.1 1 IC (A) 5/12 Package mechanical data 3 ST901T, STD901T Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK(R) packages, depending on their level of environmental compliance. ECOPACK(R) specifications, grade definitions and product status are available at: www.st.com. ECOPACK is an ST trademark. 6/12 Doc ID 4510 Rev 5 ST901T, STD901T Package mechanical data Table 5. TO-220 type A mechanical data mm Dim. Min. Typ. Max. A 4.40 4.60 b 0.61 0.88 b1 1.14 1.70 c 0.48 0.70 D 15.25 15.75 D1 1.27 E 10 10.40 e 2.40 2.70 e1 4.95 5.15 F 1.23 1.32 H1 6.20 6.60 J1 2.40 2.72 L 13 14 L1 3.50 3.93 L20 16.40 L30 28.90 P 3.75 3.85 Q 2.65 2.95 Doc ID 4510 Rev 5 7/12 Package mechanical data Figure 6. ST901T, STD901T TO-220 type A drawing 0015988_typeA_Rev_S 8/12 Doc ID 4510 Rev 5 ST901T, STD901T Package mechanical data Table 6. DPAK (TO-252) mechanical data mm Dim. Min. Typ. Max. A 2.20 2.40 A1 0.90 1.10 A2 0.03 0.23 b 0.64 0.90 b4 5.20 5.40 c 0.45 0.60 c2 0.48 0.60 D 6.00 6.20 D1 E 5.10 6.40 6.60 E1 4.70 e 2.28 e1 4.40 4.60 H 9.35 10.10 L 1 L1 2.80 L2 0.80 L4 0.60 1 R V2 0.20 0 8 Doc ID 4510 Rev 5 9/12 Package mechanical data Figure 7. ST901T, STD901T TO-252 (DPAK) drawings 0068772_G 10/12 Doc ID 4510 Rev 5 ST901T, STD901T 4 Revision history Revision history Table 7. Document revision history Date Revision Changes 14-Oct-2004 1 First release. 15-Jan-2005 2 DC current gain range has been modified. 25-Feb-2005 3 Added four drawings on page 3. 13-Oct-2005 4 Updated package mechanical data 11-Feb-2011 5 Inserted new order code STD901T Doc ID 4510 Rev 5 11/12 ST901T, STD901T 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. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. 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