?2002 fairchild semiconductor corporation rev. b2, december 2002 bc635/637/639 npn epitaxial silicon transistor absolute maximum ratings t a =25 c unless otherwise noted ? pw=5ms, duty cycle=10% electrical characteristics t a =25 c unless otherwise noted symbol parameter value units v cer collector-emitter voltage at r be =1k ? : bc635 : bc637 : bc639 45 60 100 v v v v ces collector-emitter voltage : bc635 : bc637 : bc639 45 60 100 v v v v ceo collector-emitter voltage : bc635 : bc637 : bc639 45 60 80 v v v v ebo emitter-base voltage 5 v i c collector current 1 a i cp peak collector current 1.5 a i b base current 100 ma p c collector power dissipation 1 w t j junction temperature 150 c t stg storage temperature -65 ~ 150 c symbol parameter test condition min. typ. max. units bv ceo collector-emitter breakdown voltage : bc635 : bc637 : bc639 i c =10ma, i b =0 45 60 80 v v v i cbo collector cut-off current v cb =30v, i e =0 0.1 a i ebo emitter cut-off current v eb =5v, i c =0 0.1 a h fe1 h fe2 h fe3 dc current gain : all : bc635 : bc637/bc639 : all v ce =2v, i c =5ma v ce =2v, i c =150ma v ce =2v, i c =500ma 25 40 40 25 250 160 v ce (sat) collector-emitter saturation voltage i c =500ma, i b =50ma 0.5 v v be (on) base-emitter on voltage v ce =2v, i c =500ma 1 v f t current gain bandwidth product v ce =5v, i c =10ma, f=50mhz 100 mhz bc635/637/639 switching and amplifier applications complement to bc636/638/640 1. emitter 2. collector 3. base to-92 1
?2002 fairchild semiconductor corporation rev. b2, december 2002 bc635/637/639 typical characteristics figure 1. static characteristic figure 2. dc current gain figure 3. base-emitter saturation voltage collector-emitter saturation voltage figure 4. base-emitter on voltage figure 5. collector output capacitance 0 1020304050 0 40 80 120 160 200 i b = 0.2 ma i b = 0.4 ma i b = 0.6 ma i b = 0.8 ma i b = 1.0 ma i b = 1.2 ma i b = 1.4 ma i b = 1.6 ma i b = 1.8 ma i c [ma], collector current v ce [v], collector-emitter voltage 1 10 100 1000 10 100 1000 v ce = 2v h fe , dc current gain i c [ma], collector current 1 10 100 1000 0.01 0.1 1 10 i c = 10 i b v ce (sat) v be (sat) v be (sat), v ce (sat)[v], saturation voltage i c [ma], collector current 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1 10 100 1000 v ce = 2v i c [ma], collector current v be [v], base-emitter voltage 110100 1 10 100 f=1mhz c ob [pf], capacitance v cb [v], collector-base voltage
package dimensions bc635/637/639 dimensions in millimeters ?2002 fairchild semiconductor corporation rev. b2, december 2002 to-92
?2002 fairchild semiconductor corporation rev. i1 trademarks the following are registered and unregistered trademarks fairchild semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. disclaimer fairchild semiconductor reserves the right to make changes without further notice to any products herein to improve reliability, function or design. fairchild does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights, nor the rights of others. life support policy fairchild?s products are not authorized for use as critical components in life support devices or systems without the express written approval of fairchild semiconductor corporation. as used herein: 1. life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, or (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. 2. a critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. product status definitions definition of terms datasheet identification product status definition advance information formative or in design this datasheet contains the design specifications for product development. specifications may change in any manner without notice. preliminary first production this datasheet contains preliminary data, and supplementary data will be published at a later date. fairchild semiconductor reserves the right to make changes at any time without notice in order to improve design. no identification needed full production this datasheet contains final specifications. fairchild semiconductor reserves the right to make changes at any time without notice in order to improve design. obsolete not in production this datasheet contains specifications on a product that has been discontinued by fairchild semiconductor. the datasheet is printed for reference information only. fact? fact quiet series? fast ? fastr? frfet? globaloptoisolator? gto? hisec? i 2 c? implieddisconnect? isoplanar? littlefet? microfet? micropak? microwire? msx? msxpro? ocx? ocxpro? optologic ? optoplanar? pacman? pop? power247? powertrench ? qfet? qs? qt optoelectronics? quiet series? rapidconfigure? rapidconnect? silent switcher ? smart start? spm? stealth? supersot?-3 supersot?-6 supersot?-8 syncfet? tinylogic? trutranslation? uhc? ultrafet ? vcx? acex? activearray? bottomless? coolfet? crossvolt ? dome? ecospark? e 2 cmos? ensigna? across the board. around the world.? the power franchise? programmable active droop?
careers | sitema go datasheets, samples, buy technical information applications design center support company investors my f a home >> find products >> product status/pricing/packaging bc639 npn epitaxial silicon transistor features back to top applications back to top contents ? features ? applications ? product status/pricing/packaging ? order samples ? qualification support z complement to bc636/638/640 switchin g and am p lifie r datasheet download this datasheet e - mail this datasheet this page print version product product status pb-free status pricing* package type leads packing method package marking convention** bc639 full production $0.071 to - 92 3 bulk line 1: $y (fairchild logo) & z (asm. plant code) & 3 (3-digit date code) line 2: bc639 line 3: e c b bc639_d26z full production n/a to - 92 3 tape reel line 1: $y (fairchild logo) & z (asm. plant code) & 3 (3-digit date code) line 2: bc639 line 3: e c b bc639_d27z full production n/a to - 92 3 tape reel line 1: $y (fairchild logo) & z (asm. plant code) & 3 (3-digit date code) line 2: bc639 line 3: e c b related links request samples how to order products product change notices (pcns) support sales support quality and reliability design cente r pa g e 1 of 3 product folder - fairch ild p/n bc639 - npn e p itaxial silicon transisto r 16-au g -2007 mhtml:file://c:\temp\bc639 _ l34z.mht
back to top qualification support click on a product for detailed qualification data back to top bc639_d74z full production n/a to - 92 3 ammo line 1: $y (fairchild logo) & z (asm. plant code) & 3 (3-digit date code) line 2: bc639 line 3: e c b bc639_d75z full production n/a to - 92 3 ammo line 1: $y (fairchild logo) & z (asm. plant code) & 3 (3-digit date code) line 2: bc639 line 3: e c b bc639_d81z full production n/a to - 92 3 tape reel line 1: $y (fairchild logo) & z (asm. plant code) & 3 (3-digit date code) line 2: bc639 line 3: e c b bc639_l34z lifetime buy n/a to - 92 3 bulk line 1: $y (fairchild logo) & z (asm. plant code) & 3 (3-digit date code) line 2: bc639 line 3: e c b * fairchild 1,000 piece budgetary pricing ** a sample button will appear if the part is available through fa irchild's on-line samples program. if there is no sample butt on, please contact a fairchild distributor to obtain samples indicates product with pb -free second-level interconne ct. for more information click here. package marking information for product bc639 is available. click here for more information . product bc639 bc639_d26z bc639_d27z bc639_d74z bc639_d75z bc639_d81z bc639_l34z ? 2007 fairchild semiconductor pa g e 2 of 3 product folder - fairch ild p/n bc639 - npn e p itaxial silicon transisto r 16-au g -2007 mhtml:file://c:\temp\bc639 _ l34z.mht
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