2STL1525 Low voltage high performance NPN power transistor Features ■ Very low collector-emitter saturation voltage ■ High current gain characteristic ■ Fast switching speed Applications ■ Emergency lighting ■ LED drive ■ Motherboard and hard disk drive ■ Mobile equipment ■ DC-DC converter, voltage regulation TO-92MOD Figure 1. TO-92MOD-AP Internal schematic diagram Description The device is a NPN transistor manufactured using new “PB-HCD” (power bipolar high current density) technology. The resulting transistor shows exceptional high gain performances coupled with very low saturation voltage. Table 1. Device summary Order codes Marking Package Packaging 2STL1525 2STL1525 TO-92MOD Bag 2STL1525-AP 2STL1525 TO-92MOD-AP Ammopack December 2010 Doc ID 16054 Rev 2 1/8 www.st.com 8 Electrical ratings 1 2STL1525 Electrical ratings Table 2. Absolute maximum ratings Symbol Value Unit VCEX Collector-emitter voltage (VBE = -1.5 V) 95 V VCEO Collector-emitter voltage (IB = 0) 25 V VEBO Emitter-base voltage (IC = 0) 5 V Collector current 5 A Collector peak current (tP < 5 ms) 10 A Base current 1 A 1.5 W -65 to 150 °C 150 °C Value Unit 83 °C/W IC ICM IB PTOT Total dissipation at Tamb = 25 °C TSTG Storage temperature TJ Table 3. Symbol RthJA 2/8 Parameter Max. operating junction temperature Thermal data Parameter Thermal resistance junction-ambient __max Doc ID 16054 Rev 2 2STL1525 2 Electrical characteristics Electrical characteristics Tcase = 25 °C unless otherwise specified. Table 4. Symbol Electrical characteristics Parameter Test conditions Min. Typ. Max. Unit ICBO Collector cut-off current (IE = 0) VCB = 50 V 0.1 µA IEBO Emitter cut-off current (IC = 0) VEB = 4 V 0.1 µA Collector-emitter breakdown voltage (VBE = -1.5 V) IC = 1 mA 95 V IC = 10 mA 25 V Emitter-base breakdown voltage (IC = 0) IE = 100 µA 5 V DC current gain IC = 0.5 A IC = 3 A IC = 5 A VCE = 2 V VCE = 2 V VCE = 5 V V(BR)CEX Collector-emitter V(BR)CEO (1) breakdown voltage (IB = 0) V(BR)EBO hFE (1) 150 100 500 150 220 500 mV mV 1.2 V VCE(sat) (1) Collector-emitter saturation voltage IC = 3 A IC = 3.5 A IB = 300 mA IB = 40 mA VBE(sat) (1) Base-emitter saturation voltage IC = 3 A IB = 300 mA CCBO Collector-base capacitance (IE = 0) VCB = 10 V, f = 1 MHz 20 pF fT Transition frequency VCE = 10 V 120 MHz ton toff Resistive load Turn-on time Turn-off time IC = 1.5 A VCC = 10 V IB1 = -IB2 = 150 mA 60 450 ns ns IC = 50 mA 1. Pulse test: pulse duration ≤ 300 µs, duty cycle ≤ 2% Doc ID 16054 Rev 2 3/8 Package mechanical data 3 2STL1525 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. Table 5. TO-92MOD mechanical data mm. Dim. Min. Max. A 4.7 5.1 A1 1.730 2.030 b 0.4 0.6 b1 0.9 1.1 c 0.4 0.5 D 5.8 6.2 D1 4.0 E 8.4 e 8.8 1.5 e1 2.9 3.1 L 13.8 14.2 K h 4/8 Typ. 1.6 0.0 Doc ID 16054 Rev 2 0.380 2STL1525 Package mechanical data Figure 2. TO-92MOD drawing mechanical data 8190862_B Doc ID 16054 Rev 2 5/8 Package mechanical data 2STL1525 TO-92MOD-AP ammopack dimension 8231868_B 6/8 Doc ID 16054 Rev 2 2STL1525 4 Revision history Revision history Table 6. Document revision history Date Revision Changes 31-Jul-2009 1 Initial release. 01-Dec-2010 2 Document status promoted from preliminary data to datasheet. Updated package mechanical data Table 5 on page 4 and Figure 2 on page 5. Doc ID 16054 Rev 2 7/8 2STL1525 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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