. january 2008 rev 7 1/7 7 2N3055 mj2955 complementary power transistors features low collector-emitter saturation voltage complementary npn - pnp transistors applications general purpose audio amplifier description the devices are manufactured in epitaxial-base planar technology and are suitable for audio, power linear and switching applications. table 1. device summary figure 1. internal schematic diagram to-3 1 2 order code marking package packaging 2N3055 2N3055 to-3 tray mj2955 mj2955 www.st.com
absolute maximun rating 2N3055 mj2955 2/7 1 absolute maximun rating table 2. absolute maximum rating note: for pnp type voltage and current values are negative symbol parameter value unit npn 2N3055 pnp mj2955 v cbo collector-emitter voltage (i e = 0) 100 v v cer collector-emitter voltage (r be = 100 ? ) 70 v v ceo collector-emitter voltage (i b = 0) 60 v v ebo collector-base voltage (i c = 0) 7v i c collector current 15 a i b base current 7 a p tot total dissipation at t c 25c 115 w t stg storage temperature -65 to 200 c t j max. operating junction temperature 200 c
2N3055 mj2955 electrical characteristics 3/7 2 electrical characteristics (t case = 25c; unless otherwise specified) table 3. electrical characteristics symbol parameter test conditions min. typ. max. unit i cex collector cut-off current (v be = -1.5 v) v ce = 100 v v ce = 100 v t c = 150 o c 1 5 ma ma i ceo collector cut-off current (i b = 0) v ce = 30 v 0.7 ma i ebo emitter cut-off current (i c = 0) v eb = 7 v 5ma v ceo(sus) (1) 1. pulsed : pulse duration = 300 s, duty cycle 1.5% note: for pnp type voltage and current values are negative collector-emitter sustaining voltage (i b = 0) i c = 200 ma 60 v v cer(sus) (1) collector-emitter sustaining voltage (r be = 100 ? ) i c = 200 ma 70 v v ce(sat) (1) collector-emitter saturation voltage i c = 4 a i b = 400 ma i c = 10 a i b = 3.3 a 1 3 v v v be (1) base-emitter voltage i c = 4 a v ce = 4 v 1.8 v h fe (1) dc current gain i c = 4 a v ce = 4 v i c = 10 a v ce = 4 v 20 5 70
package mechanical data 2N3055 mj2955 4/7 3 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
2N3055 mj2955 package mechanical data 5/7 dim. mm. min. typ max. a11.00 1 3 .10 b0. 9 71.15 c 1.50 1.65 d 8 . 3 2 8 . 9 2 e1 9 .00 20.00 g 10.70 11.10 n 16.50 17.20 p 25.00 26.00 r 4.00 4.0 9 u 38 .50 39 . 3 0 v 3 0.00 3 0. 3 0 to- 3 mechanical data 0015 9 2 3 c
revision history 2N3055 mj2955 6/7 4 revision history table 4. document revision history date revision changes 11-oct-1999 6 29-jan-2007 7 content reworked to improve readability, no technical changes
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