BC856 BC857 BC858 PNP Silicon Planar Epitaxial Transistors Pin configuration: 1. BASE 2. EMITTER 3. COLLECTOR 3 1 2 Unit: inch (mm) Absolute Maximum Ratings (Ta = 25 oC unless specified otherwise) DESCRIPTION Collector Base Voltage Collector Emmitter Voltage (+VBE = 1V) SYMBOL BC856 BC857 BC858 UNITS VCBO 80 50 30 V VCEX 80 50 30 V Collector Emitter Voltage VCEO 65 45 30 V Emitter Base Voltage VEBO 5 Collector Current (DC) IC 100 Collector Current - Peak ICM 200 Emitter Current - Peak IEM 200 mA Base Current - Peak IBM 200 mA Total power dissipation up to Tamb = 60 oC Ptot** 250 mW Storge Temperature Tstg -55 to +150 o Tj 150 o Junction Temperature Thermal Resistance From junction to tab Rth(j-t) 60 From tab to soldering points Rth(t-s) 280 Rth(s-a)** 90 From soldering points to ambient V mA C C K/W **Mounted on a ceramic substrate of 8mm x 10mm x 0.7mm www.rectron.com 1 of 2 BC856 BC857 BC858 Electrical Characteristics (at Ta=25 oC unless otherwise specified) DESCRIPTION Collector Cut Off Current Base Emitter On Voltage Collector Emitter Saturation Voltage Base Emitter Saturation Voltage Knee Voltage SYMBOL TEST CONDITION ICBO VBE(on)* VCE(Sat) VBE(Sat)*** VCEK VCB = 30V, IE = 0 o VCB = 30V, IE = 0, Tj = 150 C IC = 2mA, VCE = 5V 0.6 15 nA 4 uA 0.75 IC = 10mA, VCE = 5V 0.82 IC = 10mA, IB = 0.5mA 0.30 IC = 100mA, IB = 5mA 0.65 IC = 10mA, IB = 0.5mA 0.7 IC = 100mA, IB = 5mA 0.85 IC = 10mA, -IB = Value for which UNITS V V V 0.60 IC = 11mA at -VCE = 1V V IC = 2mA, VCE = 5V DC Current Gain hFE Collector Capacitance CC Transition Frequency Small Signal Current Gain fT | hfe | Noise Figure MIN TYP MAX NF BC856 125 475 BC857/BC858 125 800 BC856A/BC857A/BC858A 125 250 BC856B/BC857B/BC858B 220 475 BC857C/BC858C 420 IE = ie = 0, VCB = 10V, f = 1MHZ 800 pF MHZ 4.5 IC = 10mA, VCB = 5V, f = 100MHZ 100 IC = 2mA, VCE = 5V, f= 1kHZ BC856 BC857/BC858 IC = 0.2mA, VCE = 5V 125 125 500 800 10 dB RS= 2k ohm, f = 1KHZ, B= 200HZ *VBE (on) decreases by about 2mV/K with increase temperature. ***VBE (Sat) decreases by about 1.7mV/K with increase temperature. www.rectron.com 2 of 2