BF257CSM4

BF257CSM4 MECHANICAL DATA Dimensions in mm (inches) SILICON PLANAR NPN HIGH VOLTAGE TRANSISTOR IN A CERAMIC SURFACE MOUNT PACKAGE 1.40 ± 0.15 (0.055 ± 0.006) 0.25 ± 0.03 (0.01 ± 0.001) 5.59 ± 0.13 (0.22 ± 0.005) 0.64 ± 0.08 (0.025 ± 0.003) 0.23 rad. (0.009) 3 2 1.27 ± 0.05 (0.05 ± 0.002) 3.81 ± 0.13 (0.15 ± 0.005) 4 1 0.23 min. (0.009) FEATURES • High Voltage • Ceramic Surface Mount 1.02 ± 0.20 (0.04 ± 0.008) 2.03 ± 0.20 (0.08 ± 0.008) LCC3 PAD 1 = COLLECTOR PAD 2 = N/C PAD 3 = EMITTER PAD 4 = BASE • Screening Options Available ABSOLUTE MAXIMUM RATINGS VCBO VCEO VEBO IC ICM Ptot Tstg Tj Collector - Base Voltage (IE = 0 ) Collector - Emitter Voltage (IB = 0) Emitter Base Voltage (IC = 0) Collector Current Collector Peak Current Total Power Dissipation at Tcase £ 50°C Storage Temperature Junction Temperature 160V 160V 5V 100mA 200mA 5W -55 to 200°C 200°C Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab encourages customers to verify that datasheets are current before placing orders. Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk Document Number 2666 Issue 1 BF257CSM4 Thermal Data Rth j-case Rth j-amb Thermal resistance junction - case Thermal resistance junction - ambient Unless otherwise specified) max max 30°C/W 175°C/W Electrical Characteristics(Tamb = 25°C Parameter V(BR)CEO* V(BR)CBO V(BR)EBO ICBO VCE(sat)* hFE* ft Cre Collector–Emitter Breakdown Voltage Collector – Base Breakdown Voltage Emitter - Base Breakdown Voltage Collector Cutoff Current DC Current Gain Transition Frequency Reverse Capacitance = 1% Test Conditions IC = 10mA IC = 100mA IC = 0 VCB =100V IC = 30mA IC = 15mA IC = 0 f = 1MHz IB = 0 IE = 0 IE = 100mA IE = 0 IB = 6mA IB = 10V VCE = 10V VCE = 30V Min. 160 160 5 Typ. Max. Unit V 50 1 25 90 3 nA V — MHz pF Collector – Emitter Saturation Voltage IC = 30mA * Pulsed test tp = 300ms , d Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab encourages customers to verify that datasheets are current before placing orders. Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk Document Number 2666 Issue 1