BST39 KEXIN | Alldatasheet
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Low current (max. 50 mA) High voltage (max. 300 V). Absolute Maximum Ratings Ta = 25 Parameter Symbol Rating Unit collector-base voltage BST39 400 V (open emitte) BST40 300 V collector-emitter voltage BST39 350 V (open-base ) BST40 250 V emitter-base voltage (open collector) V EBO 5V collector current (DC) I C 100 mA peak collector current I CM 200 mA peak base current I BM 100 mA total power dissipation Tamb 25 * Ptot 1.3 W storage temperature T stg -65 to150 junction temperature T j 150 operating ambient temperature T amb -65 to150 thermal resistance from junction to ambient * R th j-a 96 K/W thermal resistance from junction to soldering point R th j-s 16 K/W * Device mounted on a printed-circuit board, single-sided copper, tinplated, mounting pad for collector 6 cm2. VCBO VCEO
www.kexin.com.cn Electrical Characteristics Ta = 25 unless otherwise specified. Parameter Symbol Testconditons Min Typ Max Unit collector cut-off current I CBO IE =0 ;VCB = 300 V 20 nA emitter cut-off current I EBO IC =0 ;VEB = 5 V 100 nA DC current gain h FE IC =2 0m A ;VCE =1 0V 4 0 collector-emitter saturation voltage V CEsat IC =5 0m A ;IB = 4 mA 500 mV collector capacitance C c IE =i e =0 ;VCB =1 0V ;f=1M H z 2 p F transition frequency f T IC =1 0m A ;VCE =1 0V ;f=1 0 0M H z 7 0 M H z Marking Type Number BST39 BST40 Marking AT1 AT2 BST39; BST40