MOTOROLA SC {XSTRS/R FF 56h DE Beseresy 0080575 ? a 96D 80575 DBD. T-F3-7 BD234 6367254 MOTOROLA SC (XSTRS/R F) MOTOROLA = SEMICONDUCTOR SEE BD236 = TECHNICAL DATA BD238 . 2 AMPERE SILICON PHE TRANSISTOR POWER TRANSISTOR PNP SILICON . designed for use in 5 to 10 Watt audio amplifiers and drivers utilizing complementary or quasi complementary circuits. 45, 60, 80 VOLTS @ OC Current Gainhe, = 40 (Min) @ Ig= 0.15 Adc 25 WATTS @ BD 234, 236, 238 are compfementary with BD 233, 235, 237 MAXIMUM RATINGS Rating Symbol Type Vaiue Unit BO 234 45 Collector-Emitter Voltage Veo BD 236 60 Vde BD 238 |. 80 BD 234 45 Coltector-Base Voltage Voro BO 236 60 Vide BD 238 80 Emitter-Base Voltage Veo 5 Vde Collector Current ! c 2.0 Adc Base Curent Is 1.0 Adc Totat Device Dissipation Tp =26eC Pp 25 Watts Operating and Storage Junction Ty Tt B55 to +150 c Temperature Range tg THERMAL CHARACTERISTICS ~| B fe >F M Characteristic Symbot Max Unit ~ v t rh + ie a Thermal Resistance, Junction to Case 6 ic 5.0 C/W + yt A real t ' ELECTRICAL CHARACTERISTICS (T, = 26C untess otherwise noted? J J tL He-v 6H Characteriatic Symbol Type = |Min(Max| Unit v Collactor-Emitter Sustaining Voltage BoE" Vde \. tle =0.1 Adc, 'p =0) BD 234 45 | 8 LL BD 236 60 | a | J BD 238 | 80 | ft Collector Cutoff Current lego mAdc Fit (Vog = 45 Vdc, 1, = 0) 80 234 | {0-1 (V-,=60 Vde, I =0) BD 236 | {0.1 Liiseies | scey_] B_ = Yar | ax | Veg =80 Vdc, te =0) BD 238 | |0.1 pias Teor STE ma Emitter Cutoff Current leno mAdc Her tied i bse (Vgg7 6.0 Vdc, 1, =0) {1.0 tar Tear OC current Gain stews (oer | (Ig = 0.15 A Vag =2V) heey 40 | Fae Pear] | "Ti -wwaeronme We=1 A, Voe=2) hre2 25 | Hee ee ATOM AGSATUAUEMIATRL Collector-Emitter Saturation Vaitage Voe(sat) Vdc attest | (ig=1 Ade, 'p =0.1 Adc) 106 Base-Emitter On Voltage VeE( on) Vde CASE 71405 (ig=1 Ade, Veg =2.0 Vde) |13 0-126 Current-Gain-Bandwidth Product MHz (1g = 250 mAdc, Vop 10 Vde,f=1.0 MHz) 3.0 | * Pulse Test: Pulse Width $ 300 ps, Duty Cycle = 2.0% 3-309MOTOROLA SC {XSTRS/R FT qb De Bezeress 0060576 4 I . eS ee a ree 6367254 MOTOROLA SC CXSTRS7R FD neers D 7-33-19 aw eniw ena or BD234, Bo2i6, , BD238 fee ne ee FIGURE 1 ACTIVE-REGION SAFE OPERATING AREA 10 < : z 3 : & 2 5 * The Safe Operating Area Curves indicate |cVee_ limits below \ ye i50C which the device will not enter secondary breakdown. Collector Ss toad lines for specific circuits must fall within the applicable Safe s Area to avoid causing a catastrophic failure. To insure operation 2 below the maximum Ty, power-temperature derating must be ob- Mos served for both steady state and puiss power canditians. oo 8D aD - a1 s 1 a 100 Vgg COLLECTOR- EMITTER VOLTAGE (votts) FIGURE 2 COLLECTOR SATURATION REGION OSA Vee, COLLECTOR-EMITTER VOLTAGE (VOLTS) 02 03 05 10 2.0 30 5.0 10 20 30 50 100 20 FIGURE 3CURRENT GAIN Ig. BASE CURRENT ima} FIGURE 4"ON VOLTAGE LS Vac jun) @lo/h= VOLTAGE (VOLTS) Var@Vce=20 hee, OC CURRENT GAIN, NORMALIZED Olcily= Qo 2030 50 10 2 30 50 100 200300 500 1000 2000 te, COLLECTOR CURRENT (mA) FIGURE 5THERMAL RESPONSE Te, COLLECTOR CURRENT (mal 10 gu a o < e g 03 ot z 02 rE =r z6 Bre = 4.16C/W Max He a4 Bag =3.5C/ Typ ue 9, 55 3007 D CURVES APPLY FOR POWER BE oos PULSE TRAIN SHOWN z= READ TIME At ts eK 1 = z 00 | Typ) ~ Te Pret Grell = 0.02 = D=tlh 001 0.01 002 003 0.05 01 02 03 05 10 20 30 #50 10 2 30 100 200 300 500: 1000 t, TIME OR PULSE WIDTH (ms} 3-310