G E SOLID STATE O1 DE Pjaa7soa1 OO17608 0 T 3875081 G E SOLID STATE O1E 17608 Bb 7-29-15" i. Pro Electron Power Transistors File Number 1172 BUX21 Silicon N-P-N * Switching Transistor For Switching Applications in Industrial and Commercial Equipment TERMINAL DESIGNATIONS c (FLANGE) Features: Voeqg 200V : le 0 40 A ; P2CS-27516 @ P;250W JEDEC TO-204AA The RCA-BUX21 is a silicon n-p-n power transistor featur- ing fast switching speeds, low saturation voltage, and high safe-operating-area (SOA) ratings. It is specially designed for converters, inverters, pulse-width-modulated regulators, and a variety of power switching circuits. The RCA-BUX2 transistor Is supplied in a steel JEDEC TO-204AA hermetic package. MAXIMUM RATINGS, Absolute-Maximum Values: BUX21 Vepo stceesaseereasens 250 Vv Vceo(SUS).. es. eesees ee 200 Vv Vcex(sus) Veet -1.5V woe see es Feet beet t tener rer ee nore eeerenaseeteutensenseeetees peneessenaes 250 Vv Vcer(sus) Rae = 100 2 occ ccc cece ect c ete cece te tee vedseev actus seretaepeeecevevereunesusenes 240 v VEBO cht cen censor eeeen . 7 Vv Coceeeeeeceeneenernees 40 A lon ees seeeretenns 50 A la vcarecveccveceareenes 8 A Py At Te Up to 25C and Voge up tO 20V wiccseccercecesvevseutenees daeeenee lee neeenee seeas 250 Ww Ta Tag sevesteececceneneesecteeeaees bee e bee ee nee neb ene e eae rnesneeneaeegeneentesenees ~85 to +200 C Th At distances > 1/16 In. (1.58 mm) from case for 10$ MAK. 1... cee cece see e een ecneeeceres 200 C 613arena G E SOLID STATE OL De sa7soa1 oo17e07 2 3875081 GE SOLID STATE ~91e 17609 OT 837/S ih Pro Electron Power Transistors - BUX21 ELECTRICAL CHARACTERISTICS, at Case Temperature (Tc) = 25C unless otherwise specified TEST CONDITIONS LIMITS CHARACTERISTIC VOLTAGE | CURRENT BUX21 UNITS Vde Adc VceiVee le Ig | Min.] Typ.| Max. lcEO 160 | - - 0 _ - 3 t 250 |-1.5 - - - - 3 CEV mA Tg = 125C 250 j-1.5 | -| - | - | 12 lEBO a 0 ~/[- 7-71 VcEolsus)b - |- 0.23 ; 2008) | v ViprieBo 16 =0.05A -~|- 0 -j| 7]/-q]- Vegtsat) - |- 254 3| - |4.2 |1.5 v = - 12a 1,2 - |0.2 |06 Vcelsat) ~|- asa} 3] lo7 {15 2} - 12a - 20} | 60 hE 4]- 258 -| 10; -| - . 'S/p 140 | - - - {lois} - | - A t= 18, nonrepetitive 20 | - - - (12.5 | ~ - 'T f = 10 MHz 15] - 2 - 8] - - MHz ton yoo" | 25 3] |03 |1.2 t, Var= _ cc=} _ - (ig, =!B,) inv 25 3 1.0 |1.8 t Vv Hs = cc*) _ - (lp, = Ig.) 100 V 25 3 0.2 | 0.4 RgJc - - _ -{|- | 0.7 | CAW 4 Pulsed, pulse duration = 300 ys, duty factor 2%, 6 CAUTION: Sustaining Voltages Veeolsus) MUST NOT be measured on a curver tracer. NORMALIZED TRANSIENT THERMAL RESISTANCE CASE TEMPERATURE (Tc) *C ' 0 PULSE WIDTH (tp) s g2ch-sosa? 9203-20035 Fig. 1 -- Dissipation and ts derating curve. Fig. 2 Typical thermal-response characteristic. 614G E SOLID STATE 3875081 G E SOLID STATE BS OTE O1 DE za7soai OOL?biO 4 i oe mt tee ma O1E 17610 pnp T-3B3-/5" COLLECTOR CURRENT {Ic )A bits CASE TEMPERATURE( Te }= 25% (CURVES MUST BE DERATED LINEARLY WITH INCREASE I 6 4% 2 4 66 860 = 466 81000 COLLECTOR-TO-EMITTER VOLTAGE [Vo_g) v Fig. 3 Maximum operating areas (To = 25C). S2CM- 31448 Pro Electron rower rransistors BUX21 2 &t < o % 3 z = F b z w = a o g Os lo COLLECTOR CURRENT (Ic) =A 9208-31432 Fig. 4 Typical de beta characteristics. 40 Valrgs16/10 y y : 7 es val A ad oat ale, 1eupenaryre ee | a8] S case LT Len ag pee a BS od a a e y Lt e Lee 4 0.4 og 0 | to COLLECTOR CURRENT (Ig)A 9209-31454 460 Fig. 6 Typical basq-to-emitter saturation voltage characteristics, oS > ae = a w ea z 2 & S 2 Fa a rs ui e E z uy, @ 7 & 2 o a a a 8 ' lo too COLLEGTOR CURRENT (Ig)A 9205~ 31493 Fig. Typical collector-to-emitter saturation voltage characteristics. CASE TEMPERATURE (Tc) 25C < % a : a e 3 B 8 a as 8 COLLECTOR-TO -EMITTER VOLTAGE (Voce) V 92CS-31456 Fig. 7 Typical output characteristics. 615GE SOL OLID STATE OL DEM 3675081 oO17L1. g i "3875081 G E SOLID STATE O1E 17611 pn TSSISS Pro Electron Power Transistors *BUX21 CASE TEMPERATURE (Tc) 25C COLLECTOR -TO- EMITTER VOLTAGE (Vg) * IO a i M = 0 5 2 3 3 B i - t 2 8 33 L & 2 a a a 5 : v < q s a COLLECTOR CURRENT (Ic)A ezcs-y1458 COLLECTOR CURRENT (Tg) e2ca-31487 Fig. 8 Typical small-signal forward-current trans- Fig. 9 Typical clamped turn-off time fer ratio characteristics. characteristics. CASE TEMPERATURE (To) #128#C IgrIg/i0 Tarte, VooroV TEMPERATURE (Tp) # 125C Ig*Ig/10 "Tp. Voc" s0 RISE, STORAGE,AND FALL TIMES (trot gute) ae i I = : 2s 8 2 & 4 z & 2 < e 4 w @ COLLECTOR GUARENT (2)A 9205-31496 COLLECTOR CURRENT {I]A 8209-31460 Fig. 10 Typical saturated-switching-time Fig, 11 Typical-switching-time characteristics at Characteristics as a function of Te= 125C as a function of collector collector current, current. CASE TEMPERATURE (Tc) 25C FREQUENCY (f} 0.1 MN3 INPUT CAPACITANCE (Cibo) pF 6 a BASE QUTPUT CAPACITANCE (Cobo) pF ' ie) 100 400 iow te 10% I (PEAK) COLLECTOR -TO~8ASE VOLTAGE (Vgg)V OR EMITTER-TO-BASE VOLTAGE (Veg} 928-30309RI 9268-31459 Fig. 13 Oscilloscope display for normalized Fig. 12 Typical common-base input (Cina) OF measurement of clamped inductive output (C o4,) capacitance characteristics. switching tima (tJ.GE ~ ope + SOLID STATE D1 3875081 G E SOLID O1E STATE DE 3875081 OOL7bL2 2 i 17612 DBD T S33-/5 Pro Electron Power Transistors Te1 > 90% de % = eee [| - Tgp--|----~---~ Ic t Vodeo x yoso% I ! Bp to % ZQO% tyr AB | yeX- yeBc yeyez 92C8-S038tRI tyansition * X-W NOTE: TRANSITION TIME FROM 90% a, TO 90% 'e, MUST , BE LESS THAN 0.6 ys. Fig. 14 Phase relationship between input and oulput currents showing reference points for specification of switching times. NC AOJ FOR Tai es os ion Y6l Ry 4.0730 W fs HON IND HOW IND * aT aw aa o7, 5 25 aH Swi Ig CURRENT [ +4 a PROBE Y 02s40u 0.00uF== 2 (84933 > 3 Ig CURRENT 2180.9 ca7n SON < Vee AS.Le SPECKIEO}~ > inode 233K BUX21 Q1,Q2 * 2N6354 Q3 * 2N3762 a4,Q5, Q6,Q7 CA3725 QUAD TRANSISTOR ARRAY * THIS CONNECTION SHOULO BE MACE AS 2.2 ae CLOSE AS POSSIBLE TO + L--AAA- aT COLLECTOR OF 0005 pF a2 TRANSISTOR UNDER TEST < & & KELVIN SENSING Sean CONNECTION 2 aL won NOTE: BATTERY SYMBOLS Voc . Vp sVaos zt s0 uF 1 LARA Veccuamey INDICATE RIGOROUSLY FILTERED ava VOLTAGE SOURCES AT THE CIRCUIT TERMINALS 20v gza TO ACCOMODATE THE FAST 9) AND ty TIMES vw yy AND HIGH CURRENTS PRESENT IN THE CIRCUIT. Lele cous Vaz we NOTE: SWI CLOSED FOR tr, tye tf, SWI OPEN FOR te. MIN ADU FOR Igo 920M 31462 FREQ* 500Hz Fig. 15 Circuit for measuring switching times. 617