2SB1731 General purpose amplification(-30V,-1.5A) Datasheet llOutline SOT-323T Parameter Value V -30V CEO I -1.5A C TUMT3 llFeatures llInner circuit 1) Collector current is large.(1.5A) 2) V -370mV CE(sat) at I = -1A / I = -50mA C B 3) Complementary NPN Types : 2SD2672 llApplication LOW FREQUENCY AMPLIFIER llPackaging specifications Package Taping Reel size Tape width Quantity Part No. Package Marking size code (mm) (mm) (pcs) SOT-323T 2SB1731 2021 TL 180 8 3000 FL (TUMT3) www.rohm.com 1/6 20190527 - Rev.003 2019 ROHM Co., Ltd. All rights reserved. 2SB1731 Datasheet llAbsolute maximum ratings (T = 25C) a Parameter Symbol Values Unit V Collector-base voltage -30 V CBO V Collector-emitter voltage -30 V CEO V Emitter-base voltage -6 V EBO I -1.5 A C Collector current *1 I -3 A CP *2 P 0.4 W D Power dissipation *3 P 0.8 W D Junction temperature T 150 j T Range of storage temperature -55 to +150 stg llElectrical characteristics (T = 25C) a Values Parameter Symbol Conditions Unit Min. Typ. Max. Collector-base breakdown BV I = -10A -30 - - V CBO C voltage Collector-emitter breakdown BV I = -1mA -30 - - V CEO C voltage BV Emitter-base breakdown voltage I = -10A -6 - - V EBO E I Collector cut-off current V = -30V - - -100 nA CBO CB I Emitter cut-off current V = -6V - - -100 nA EBO EB Collector-emitter saturation voltage V I = -1A, I = -50mA - -200 -370 mV CE(sat) C B h DC current gain V = -2V, I = -100mA 270 - 680 - FE CE C V = -2V, I = 100mA, CE E Transition frequency f - 280 - MHz T f = 100MHz V = -10V, I = 0A, CB E C Output capacitance - 13 - pF ob f = 1MHz *1 Pw=1ms Single Pulse *2 Each terminal mounted on a reference land. *3 Mounted on a ceramic board(25250.8 mm). www.rohm.com 2/6 2019 ROHM Co., Ltd. All rights reserved. 20190527 - Rev.003