BULB128D-BT4 high voltage fast-switching npn power transistor n stmicroelectronics preferred salestype n npn transistor n high voltage capability n low spread of dynamic parameters n minimum lot-to-lot spread for reliable operation n very high switching speed n integrated antiparallel collector-emitter diode applications: n electronic ballasts for fluorescent lighting n flyback and forward single transistor low power converters description the device is manufactured using high voltage multi epitaxial planar technology for high switching speeds and medium voltage capability. it uses a cellular emitter structure with planar edge termination to enhance switching speeds while maintaining the wide rbsoa. the device is designed for use in lighting applications and low cost switch-mode power supplies. ? internal schematic diagram september 2003 absolute maximum ratings symbol parameter value unit v ces collector-emitter voltage (v be = 0) 700 v v ceo collector-emitter voltage (i b = 0) 400 v v ebo emitter-base voltage (i c = 0, i b = 2 a, t p < 10 m s, t j < 150 o c) v (br)ebo v i c collector current 4 a i cm collector peak current (t p < 5 ms) 8 a i b base current 2 a i bm base peak current (t p < 5 ms) 4 a p tot total dissipation at t c = 25 o c70w t stg storage temperature -65 to 150 o c t j max. operating junction temperature 150 o c 1 3 d 2 pak (to-263) ordering code marking shipment BULB128D-BT4 bulb128db tape & reel 1/7
thermal data r thj-case r thj-amb thermal resistance junction-case max thermal resistance junction-ambient max 1.78 62.5 o c/w o c/w electrical characteristics (t case = 25 o c unless otherwise specified) symbol parameter test conditions min. typ. max. unit i ces collector cut-off current (v be = 0 v) v ce = 700 v v ce = 700 v t c = 125 o c 100 500 m a m a i ceo collector cut-off current (i b = 0) v ce = 400 v 250 m a v (br)ebo emitter-base breakdown voltage (i c = 0) i e = 10 ma 9 18 v v ceo(sus) * collector-emitter sustaining voltage (i b = 0) i c = 100 ma l = 25 mh 400 v v ce(sat) * collector-emitter saturation voltage i c = 0.5 a i b = 0.1 a i c = 1 a i b = 0.2 a i c = 2.5 a i b = 0.5 a i c = 4 a i b = 1 a 0.5 0.7 1 1.5 v v v v v be(sat) * base-emitter saturation voltage i c = 0.5 a i b = 0.1 a i c = 1 a i b = 0.2 a i c = 2.5 a i b = 0.5 a 1.1 1.2 1.3 v v v h fe * dc current gain i c = 10 ma v ce = 5 v i c = 2 a v ce = 5 v 10 12 32 v f forward voltage drop i f = 2 a 2.5 v t s t f inductive load storage time fall time v cc = 200 v i c = 2 a i b1 = 0.4 a v be(off) = -5 v r bb = 0 w l = 200 m h (see fig.1) 0.6 0.1 m s m s t s t f resistive load storage time fall time v cc = 250 v i c = 2 a i b1 = 0.4 a i b2 = -0.4 a t p = 300 m s (see fig.2) 2 0.2 2.9 m s m s * pulsed: pulse duration = 300 m s, duty cycle 1.5 % BULB128D-BT4 2/7
safe operating areas dc current gain collector emitter saturation voltage derating curve dc current gain base emitter saturation voltage BULB128D-BT4 3/7
inductive fall time inductive storage time resistive load fall time resistive load storage time reverse biased soa BULB128D-BT4 4/7
figure 1: inductive load switching test circuits. figure 2: resistive load switching test circuits. 1) fast electronic switch 2) non-inductive resistor 3) fast recovery rectifier 1) fast electronic switch 2) non-inductive resistor BULB128D-BT4 5/7
dim. mm inch min. typ. max. min. typ. max. a 4.40 4.60 0.173 0.181 a1 2.49 2.69 0.098 0.106 a2 0.03 0.23 0.001 0.009 b 0.70 0.93 0.027 0.036 b2 1.14 1.70 0.044 0.067 c 0.45 0.60 0.017 0.023 c2 1.23 1.36 0.048 0.053 d 8.95 9.35 0.352 0.368 d1 8.00 0.315 e 10.00 10.40 0.393 0.409 e1 8.50 0.334 g 4.88 5.28 0.192 0.208 l 15.00 15.85 0.590 0.624 l2 1.27 1.4 0.050 0.055 l3 1.40 1.75 0.055 0.068 m 2.40 3.2 0.094 0.126 r 0.40 0.016 v2 0 o 8 o 0 o 8 o p011p6/g to-263 (d 2 pak) mechanical data - weight : 1.38 g (typ.) - the planaty of the slug must be within 30 m m BULB128D-BT4 6/7
information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsib ility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectroni cs. specifi cation mentio ned in this publication are subject to change without notice. this publication supersedes and replaces all in formation previou sly supplied. stmicroe lectron ics products are not authorized for use as critical components in life support devices or systems without express written approval of stmicroelectron ics. the st logo is a trademark of stmicroelectronics. all other names are the property of their re spective owners. ? 2003 stmicroelectronics C all rights reserved stmicroelectronics group of companies australia - belgium - brazil - canada - c hina - czech repu blic - fin land - f rance - germany - hong kong - india - israel - italy - japan - malay sia - malta - morocco - singapore - spain - sweden - switzerland - united kingdom - united states. http://www.st.com BULB128D-BT4 7/7
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