BS108 DMOS Transistors (N-Channel) FEATURES TO-92 .142 (3.6) min. .492 (12.5) .181 (4.6) .181 (4.6) max. ∅ .022 (0.55) ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ High breakdown voltage High input impedance Low gate threshold voltage Low drain-source ON resistance High-speed switching No minority carrier storage time CMOS logic compatible input No thermal runaway No secondary breakdown Specially suited for telephone subsets .098 (2.5) MECHANICAL DATA S D G Dimensions in inches and (millimeters) Case: TO-92 Plastic Package Weight: approx. 0.18 g On special request, this transistor is also manufactured in the pin configuration TO-18. MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 °C ambient temperature unless otherwise specified Symbol Value Unit Drain-Source Voltage VDSS 240 V Drain-Gate Voltage VDGS 240 V Gate-Source Voltage (pulsed) VGS ±20 V Drain Current (continuous) ID 230 mA Power Dissipation at Tamb = 25 °C Ptot 0.831) W Junction Temperature Tj 150 °C Storage Temperature Range TS –65 to +150 °C 1) Valid provided that leads are kept at ambient temperature at a distance of 2 mm from case Inverse Diode Symbol Value Unit Max. Forward Current (continuous) at Tamb = 25 °C IF 0.75 A Forward Voltage Drop (typ.) at VGS = 0, IF = 0.75 A, Tj = 25 °C VF 0.85 V 4/98 BS108 ELECTRICAL CHARACTERISTICS Ratings at 25 °C ambient temperature unless otherwise specified Symbol Min. Typ. Max. Unit Drain-Source Breakdown Voltage at ID = 100 µA, VGS = 0 V(BR)DSS 240 250 – V Gate-Body Leakage Current at VGS = 15 V, VDS = 0 IGSS – – 10 nA IDSS IDSX – – – – 1 25 µA µA Gate-Source Threshold Voltage at VGS = VDS, ID = 1 mA VGS(th) 0.8 1.5 2.5 V Drain-Source ON Resistance at VGS = 2.8 V, ID = 100 mA RDS(ON) – 5.5 8 Ω Thermal Resistance Junction to Ambient Air RthJA – – 1501) K/W Capacitance at VDS = 20 V, VGS = 0, f = 1 MHz Input Capacitance Output Capacitance Feedback Capacitance CiSS COSS CrSS – – – 80 20 5 – – – pF pF pF Switching Times at VGS = 10 V, VDS = 10 V, RD = 100 Ω Turn-On Time Turn-Off Time ton toff – – 5 50 – – ns ns Drain Cutoff Current at VDS = 130 V, VGS = 0 at VDS = 70 V, VGS = 0.2 V 1) Valid provided that leads are kept at ambient temperature at a distance of 2 mm from case RATINGS AND CHARACTERISTIC CURVES BS108 RATINGS AND CHARACTERISTIC CURVES BS108 RATINGS AND CHARACTERISTIC CURVES BS108