2N3055 MJ2955 Complementary power transistors Features ■ Low collector-emitter saturation voltage ■ Complementary NPN - PNP transistors Applications ■ General purpose ■ Audio Amplifier 1 2 Description The devices are manufactured in epitaxial-base planar technology and are suitable for audio, power linear and switching applications. Table 1. Figure 1. Internal schematic diagram Device summary Order code Marking 2N3055 2N3055 MJ2955 MJ2955 January 2008 . TO-3 Rev 7 Package Packaging TO-3 tray 1/7 www.st.com 7 2N3055 MJ2955 Absolute maximun rating 1 Absolute maximun rating Table 2. Absolute maximum rating Symbol Value NPN 2N3055 PNP MJ2955 Unit VCBO Collector-emitter voltage (IE = 0) 100 V VCER Collector-emitter voltage (RBE = 100 Ω) 70 V VCEO Collector-emitter voltage (IB = 0) 60 V VEBO Collector-base voltage (IC = 0) 7 V IC Collector current 15 A IB Base current 7 A 115 W -65 to 200 °C 200 °C PTOT Total dissipation at Tc ≤25°C Tstg Storage temperature TJ Note: 2/7 Parameter Max. operating junction temperature For PNP type voltage and current values are negative 2N3055 MJ2955 2 Electrical characteristics Electrical characteristics (Tcase = 25°C; unless otherwise specified) Electrical characteristics Table 3. Symbol Parameter Test conditions Min. VCE = 100 V ICEX Collector cut-off current (V BE = -1.5 V) ICEO Collector cut-off current (IB = 0) VCE = 30 V IEBO Emitter cut-off current (IC = 0) VEB = 7 V VCE = 100 V o TC = 150 C Typ. Max. Unit 1 5 mA mA 0.7 mA 5 mA Collector-emitter sustaining VCEO(sus)(1) voltage (I = 0) B IC = 200 mA 60 V Collector-emitter sustaining VCER(sus)(1) voltage (R = 100 Ω) BE IC = 200 mA 70 V Collector-emitter saturation voltage IC = 4 A IB = 400 mA IC = 10 A IB = 3.3 A VBE(1) Base-emitter voltage IC = 4 A V CE = 4 V hFE(1) DC current gain IC = 4 A VCE = 4 V 20 IC = 10 A VCE = 4 V 5 VCE(sat)(1) 1 3 V V 1.8 V 70 1. Pulsed : Pulse duration = 300 µs, duty cycle ≤1.5% Note: For PNP type voltage and current values are negative 3/7 Package mechanical data 3 2N3055 MJ2955 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 4/7 2N3055 MJ2955 Package mechanical data TO-3 mechanical data mm. DIM. min. typ max. A 11.00 13.10 B 0.97 1.15 C 1.50 1.65 D 8.32 8.92 E 19.00 20.00 G 10.70 11.10 N 16.50 17.20 P 25.00 26.00 R 4.00 4.09 U 38.50 39.30 V 30.00 30.30 0015923C 5/7 2N3055 MJ2955 Revision history 4 Revision history Table 4. 6/7 Document revision history Date Revision 11-Oct-1999 6 29-Jan-2007 7 Changes Content reworked to improve readability, no technical changes 2N3055 MJ2955 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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