this is information on a product in full production. october 2012 doc id 15295 rev 3 1/8 8 2N2905AHR hi-rel pnp bipolar transistor 60 v, 0.6 a datasheet ? production data features hi-rel pnp bipolar transistor linear gain characteristics escc qualified european preferred part list - eppl radiation level: lot specific total dose contact marketing for specified level description the 2N2905AHR is a silicon planar epitaxial pnp transistor in a to-39 package. it is specifically designed for aerospace hi-rel applications, and escc qualified in accordance with the 5202-002 specification. in case of discrepancies between this datasheet and escc detailed specification, the latter prevails. figure 1. internal schematic diagram bv ceo 60 v i c (max) 0.6 a h fe at 10 v - 150 ma > 100 operating temperature range -65c to +200c to-39 table 1. device summary order codes package lead finish marking type eppl packaging 2N2905AHR to-39 gold solder dip 520200201 520200202 escc flight yes strip pack 2N2905AHR to-39 gold 2n2905at1 engineering model strip pack www.st.com
electrical ratings 2N2905AHR 2/8 doc id 15295 rev 3 1 electrical ratings table 2. absolute maximum ratings symbol parameter value unit v cbo collector-base voltage (i e = 0) -60 v v ceo collector-emitter voltage (i b = 0) -60 v v ebo emitter-base voltage (i c = 0) -5 v i c collector current -0.6 a p tot total dissipation at t amb 25 c total dissipation at t c 25 c 0.6 3 w w t stg storage temperature -65 to 200 c t j max. operating junction temperature 200 c table 3. thermal data symbol parameter value unit r thjc r thja thermal resistance junction-case __ max thermal resistance junction-ambient __ max 58 291 c/w c/w
2N2905AHR electrical characteristics doc id 15295 rev 3 3/8 2 electrical characteristics t case = 25 c unless otherwise specified. table 4. electrical characteristics symbol parameter test conditions min. typ. max. unit i cbo collector-base cut-off current (i e = 0) v cb = -50 v v cb = -50 v, t c = 150 c -10 -10 na a v (br)cbo collector-base breakdown voltage (i e = 0) i c = -10 a -60 v v (br)ceo (1) 1. pulsed duration = 300 s, duty cycle 1.5% collector-emitter breakdown voltage (i b = 0) i c = -10 ma -60 v v (br)ebo emitter-base breakdown voltage (i c = 0) i e = -10 a -5 v v ce(sat) (1) collector-emitter saturation voltage i c = -150 ma, i b = -15 ma -0.4 v v be(sat) (1) base-emitter saturation voltage i c = -150 ma, i b = -15 ma -1.3 v h fe (1) dc current gain i c = -0.1 ma, v ce = -10 v i c = -1 ma, v ce = -10 v i c = -150 ma, v ce = -10 v i c = -500 ma, v ce = -10 v 75 100 100 50 300 h fe small signal current gain v ce = -20 v, i c = -50 ma f = 100 mhz 2 c cbo output capacitance (i e = 0) v cb = -10 v 100 khz f 1 mhz 8pf t on tu r n - o n t i m e v cc = -30 v, i c = -150 ma i b1 = -15 ma 45 ns t off turn-off time v cc = -30 v, i c = -150 ma i b1 = -i b2 = -15 ma 300 ns
electrical characteristics 2N2905AHR 4/8 doc id 15295 rev 3 2.1 electrical characteristics (curves) 2.2 test circuit figure 6. resistive load switching test circuit 1. fast electronic switch 2. non-inductive resistor figure 2. dc current gain (v ce =1 v) figure 3. dc current gain (v ce =10 v) figure 4. collector emitter saturation voltage figure 5. base emitter saturation voltage (h fe =10) ! - v ! - v ! - v ! - v
2N2905AHR package mechanical data doc id 15295 rev 3 5/8 3 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.
package mechanical data 2N2905AHR 6/8 doc id 15295 rev 3 figure 7. to-39 drawing table 5. to-39 mechanical data dim. mm min. typ. max. a - 12.70 14.20 b0.400.49 c0.580.74 d6.006.40 e8.158.25 f9.109.20 g4.935.23 h0.850.95 i0.750.85 l 42 48
2N2905AHR revision history doc id 15295 rev 3 7/8 4 revision history table 6. document revision history date revision changes 14-jan-2009 1 initial release 05-jan-2010 2 modified table 1 on page 1 04-oct-2012 3 minor text changes. section 2.1: electrical characteristics (curves) has been added.
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