bux77a?220m bux78a?220m semelab plc reserves the right to change test conditions, parameter limits and package dimensions without notice. information f urnished by semelab is believed to be both accurate and reliable at the time of going to press. however semelab assumes no responsibility for any errors or omi ssions discovered in its use. semelab encourages customers to verify that datasheets are current before placing orders. semelab plc. telephone +44(0)1455 556565. fax +44(0)1455 552612. e-mail: sales@semelab.co.uk website: http://www.semelab.co.uk document number 5339 issue 1 absolute maximum ratings (t case = 25c unless otherwise stated) bux77a bux78a npn pnp v cbo collector ? base voltage (i e = 0) v ceo(sus) collector ? emitter voltage (i b = 0) v ebo emitter ? base voltage (i c = 0) i c collector current i b base current p tot total power dissipation at t case 25c t stg storage temperature range t j operating junction temperature range 100v ?100v 80v ?80v 6v ?6v 8a 2a 50w ?65 to 200c ?55 to 175c mechanical data dimensions in mm npn and pnp silicon planar epitaxial transistors 16.5 (0.65) 1.5(0.53) 10.6 (0.42) 12.70 (0.50 min) 2.54 (0.1) bsc 3.70 dia. nom 1 2 3 0.8 (0.03) 2.70 (0.106) 1.0 (0.039) 4.6 (0.18) 10.6 (0.42) to220m (to-257ab) - isolated metal package pin 1 ? base pin 2 ? collector pin 3 ? emitter features hermetic to220 isolated metal package screening options available applications: all semelab hermetically sealed products can be processed in accordance with the requirements of bs, cecc and jan,jantx, jantxv and jans specifications
bux77a?220m bux78a?220m semelab plc reserves the right to change test conditions, parameter limits and package dimensions without notice. information f urnished by semelab is believed to be both accurate and reliable at the time of going to press. however semelab assumes no responsibility for any errors or omi ssions discovered in its use. semelab encourages customers to verify that datasheets are current before placing orders. semelab plc. telephone +44(0)1455 556565. fax +44(0)1455 552612. e-mail: sales@semelab.co.uk website: http://www.semelab.co.uk document number 5339 issue 1 parameter test conditions min. typ. max. unit collector cut-off current (i b = 0) collector cut-off current (i e = 0) emitter cut-off current (i c = 0) collector ? emitter (i b = 0) sustaining voltage collector ? emitter voltage (v be = 0) collector ? emitter saturation voltage base ? emitter voltage (i c = 0) base ? emitter saturation voltage dc current gain small signal current gain rise time storage time fall time turn ? on time turn ? off time v ce = 60v v ce = 80v v ce = 80v t case = 150 c v eb = 4v i c = 50ma i c = 2ma i c = 5a i b = 0.5a i e = 1ma i c = 5a i b = 0.5a i c = 0.5a v ce = 5v i c = 2a v ce = 5v i c = 5a v ce = 5v i c = 1a v ce = 5v t case = ? 40 c i c = 0.5a v ce = 5v f = 20mhz i c = 5a v cc = 40v i b1 = ? i b2 = 0.5a 10 0.5 150 0.5 80 100 1 6 1.3 70 50 250 30 25 1.5 0.2 2.0 0.2 0.4 2.5 a a a v v v v v ? ? s i ceo i cbo i ebo v ceo(sus)* v ces v ce(sat)* v ebo v be(sat)* h fe* h fe t r t s t f t on t off electrical characteristics (t case = 25 c unless otherwise stated) note: for pnp device, voltage and current values are negative. *pulsed : pulse duration = 300 s , duty cycle = 1.5% thermal data r thj-case thermal resistance junction ? case 2.5 c/w max.
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