JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD TO-92 Plastic-Encapsulate Transistors BC237 / BC238 / BD239 TRANSISTOR (NPN) FEATURES Amplifier dissipation NPN Silicon TO-92 1. COLLECTOR 2. BASE BC237 z BC238 XXX 1 z BC239 XXX z 1 3. EMITTER XXX 1 Equivalent Circuit BC237,BC238,BC239 'HYLFHFRGH Solid dot=Green molding compound device, if none,the normal device ;;; &RGH ORDERING INFORMATION Part Number Package Packing Method Pack Quantity BC237 TO-92 Bulk 1000pcs/Bag BC237-TA TO-92 Tape 2000pcs/Box BC238 TO-92 Bulk 1000pcs/Bag BC238-TA TO-92 Tape 2000pcs/Box BC239 TO-92 Bulk 1000pcs/Bag BC239-TA TO-92 Tape 2000pcs/Box MAXIMUM RATINGS (Ta =25 ℃ unless otherwise noted) Symbol VCEO VEBO Parameter Value Collector-Emitter Voltage Emitter-Base Voltage BC237 45 BC238/239 25 BC237 6 BC238/239 5 Unit V V IC Collector Current -Continuous 0.1 A PC Collector Power Dissipation 350 mW RθJA Thermal Resistance, Junction to Ambient 357 ℃/W RθJC Thermal Resistance, Junction to Case 125 ℃/W Tj Junction Temperature 150 ℃ T stg Storage Temperature -55~150 ℃ www.cj-elec.com 1 D,Aug,2017 Ta =25 Я unless otherwise specified Parameter Symbol Collector-base breakdown voltage V(BR)CBO Collector-emitter breakdown voltage V(BR)CEO Emitter-base breakdown voltage V(BR)EBO Collector cut-off current ICBO Test conditions IC=100μA, IE=0 IC=2mA, IB=0 IE=100μA, IC=0 BC238/239 30 BC237 45 BC238/239 25 BC237 6 BC238/239 5 VCB=30V,IE=0 BC238/239 Typ V V BC237C/238C/239C 270 120 800 BC239 120 800 BC237A 120 220 BC237B/238B 200 460 BC237C/238C/239C 380 800 VCE=5V, IC=100mA BC237A 120 BC237B/238B 180 BC237C/238C/239C 300 hFE(3) IC=10mA, IB=0.5mA BC237/238/239 0.2 IC=100mA, IB=5mA 0.6 BC237/239 BC238 Base-emitter saturation voltage VBE(sat) Transition frequency VBE fT IC=10mA,IB=0.5mA 0.83 IC=100mA,IB=5mA 1.05 0.7 0.55 VCE=5V, IC=100mA 0.83 VCE=3V,IC=0.5mA,f=100MHz BC237 100 BC238 120 BC239 140 150 200 BC238 150 240 BC239 150 280 VCE=5V,IC=10mA,f=100MHz BC237 Cob VCB=10V, IE=0, f=1MHz Emitter-base capacitance Cib VEB=0.5V, IC=0, f=1MHz V 0.5 VCE=5V, IC=2mA Collector output capacitance V 0.8 VCE=5V, IC=0.1mA Base-emitter voltage nA 90 150 hFE(2) Unit V BC237B/238B BC237 Max 15 BC237A VCE=5V, IC=2mA VCE(sat) 50 BC237 hFE(1) Collector-emitter saturation voltage BC237 VCE=50V, VBE=0 VCE=5V, IC=10μA DC current gain Min V MHz 4.5 8 pF Pf VCE=5V, Ic=0.2mA, 2 4 f=1kHZ, Rs=2KΩ, Δf=200Hz BC237 2 10 BC238 2 10 BC239 2 4 f=1kHZ, Rs=2KΩ Noise figure NF BC239 VCE=5V, Ic=0.2mA, www.cj-elec.com dB DAug TO-92 Package Outline Dimensions Symbol A A1 b c D D1 E e e1 L Φ h Dimensions In Millimeters Min Max 3.300 3.700 1.100 1.400 0.380 0.550 0.360 0.510 4.300 4.700 3.430 4.300 4.700 1.270 TYP 2.440 2.640 14.100 14.500 1.600 0.000 0.380 Dimensions In Inches Min Max 0.130 0.146 0.043 0.055 0.015 0.022 0.014 0.020 0.169 0.185 0.135 0.169 0.185 0.050 TYP 0.096 0.104 0.555 0.571 0.063 0.000 0.015 TO-92 Suggested Pad Layout www.cj-elec.com 3 D,Aug,2017 TO-92 7DSHDQG5HHO ZZZFMHOHFFRP4 D,Aug,2017