2N1870A-2N1874A SILICON CONTROLLED RECTFIERS High-reliability discrete products and engineering services since 1977 FEATURES Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number. Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix. MAXIMUM RATINGS Symbol 2N1870A 2N1871A 2N1872A 2N1873A 2N1874A Unit Repetitive peak off state voltage Ratings VDRM 30 60 100 150 200 V Repetitive peak reverse voltage VRRM 30 60 100 150 200 V DC on state current 100°C ambient 100°C case IT 250 1.25 mA A Repetitive peak on state current ITRM Up to 30 A Peak one cycle surge (non-repetitive) on state current ITSM 15 A Peak gate current IGM 250 mA Average gate current IG(AV) 25 mA Reverse gate voltage VGR 5 V Thermal resistance, junction to case RӨJC 20 °C/W TJ, Tstg -65 to 150 °C Operating and storage temperature range ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified) Test Symbol Min. Typ. Max. Units Test Conditions Off-state current IDRM - 0.5 10 µA RGK = 1K, VDRM = +rating Reverse current IRRM - 0.5 10 µA RGK = 1K, VRRM = - rating Gate trigger voltage VGT 0.4 0.55 0.8 V RGS = 100ohms, VD = 5V Gate trigger current IGT - 30 200 µA RGS > 10K ohms, VD = 5V VTM - 1.8 2.5 V ITM = 2A (pulse test) dvc/dt 100 - - V/µs Specified test circuit 25°C tests On-state voltage Off-state voltage – critical rate of rise Reverse gate current IGR - 0.5 10 µA VGRM = 5V, anode open Holding current IH 0.3 - 5.0 mA IG = -150µA, VD = 5V High temperature off state current IDRM - 15 100 µA RGK = 1K, VDRM = + rating High temperature reverse current IRRM - 15 100 µA RGK = 1K, VRRM = - rating High temperature gate non-trigger voltage VGD 0.2 - - V RGS = 100 ohms, VD = 5V IH 0.2 - - mA IG = -150µA, VD = 5V Low temperature gate trigger voltage VGT - - 1.0 V RGK = 100 ohms, VD = 5V Low temperature gate trigger current IGT - - 500 µA RGK > 10K ohms, VD = 5V Low temperature holding current IH - - 15 mA IG = -150µA, VD = 5V 125°C tests High temperature holding current -65 °C tests Voltage ratings apply over the full operating temperature range provided the gate is connected to the cathode through a resistor, 1K or smaller, or other adequate gate bias is used. Rev. 20130116 High-reliability discrete products and engineering services since 1977 2N1870A-2N1874A SILICON CONTROLLED RECTFIERS MECHANICAL CHARACTERISTICS Case: TO-9 Marking: Body painted, alpha-numeric Pin out: See below Rev. 20130116 High-reliability discrete products and engineering services since 1977 2N1870A-2N1874A SILICON CONTROLLED RECTFIERS TRIGGER AND BIAS STABILIZATION GATE TRIGGER CURRENT GATE TRIGGER VOLTAGE HOLDING CURRENT MAXIMUM HOLDING CURRENT (CURRENT BIAS) MAXIMUM HOLDING CURRENT (RESISTOR BIAS) Rev. 20130116 High-reliability discrete products and engineering services since 1977 2N1870A-2N1874A SILICON CONTROLLED RECTFIERS HOLDING CURRENT MINIMUM HOLDING CURRENT (CURRENT BIAS) MINIMUM HOLDING CURRENT (RESISTOR BIAS) CURRENT RATINGS – THERMAL DESIGN ON-STATE CURRENT VS VOLTAGE PEAK CURRENT VS. CASE TEMPERATURE Rev. 20130116 High-reliability discrete products and engineering services since 1977 2N1870A-2N1874A SILICON CONTROLLED RECTFIERS CURRENT RATINGS – THERMAL DESIGN PEAK CURRENT VS. AMBIENT TEMPERATURE AVERAGE CURRENT VS. CASE TEMPERATURE SURGE CURRENT VS. TIME AVERAGE CURRENT VS. AMBIENT TEMPERATURE Rev. 20130116