High-reliability discrete products and engineering services since 1977 BRX44-BRX49 SILICON CONTROLLED RECTIFIER 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 Characteristics Symbol Peak repetitive forward and reverse blocking voltage(1) (TJ = 25 to 125°C, RGK = 1000Ω) BRX44 BRX45 BRX46 BRX47 BRX49 Value 30 60 100 200 400 VDRM, VRRM Forward current RMS (all conduction angles) IT(RMS) Peak forward surge current (TA = 25°C, ½ cycle, sine wave, 60Hz) ITSM Circuit fusing considerations (TA = 25°C, t = 8.3ms) I2t Forward peak gate power (TA = 25°C) PGM Forward peak gate current (TA = 25°C) (300µs, 120 PPS) IGM Peak reverse gate voltage Units Volts 0.8 Amps Amps 8 A2s 0.15 0.1 Watt Amps 1 VGRM 5 Volts Operating junction temperature range @ rated VRRM and VDRM TJ -40 to +125 °C Storage temperature range Tstg -40 to +150 °C +230 °C Lead solder temperature (<1.5mm from case, 10 sec. max.) Thermal Resistance, junction to case RθJC 75 °C/W Thermal Resistance, junction to ambient RθJA 200 °C/W Note 1: VDRM and VRRM for all types can be applied on a continuous basis. Ratings apply for zero or negative gate voltage; however, positive gate voltage shall not be applied concurrent with negative potential on the anode. Blocking voltages shall not be tested with a constant current source such that the voltage ratings of the devices are exceeded. ELECTRICAL CHARACTERISTICS (TC 25°C, RGK = 1000Ω unless otherwise noted) Characteristic Symbol Peak forward blocking current (VD = rated VDRM @ TC = 125°C) IDRM Peak reverse blocking current (VR = rated VRRM @ TC = 125°C) IRRM Forward “on” voltage(2) (ITM = 1A peak @ TA = 25°C) VTM Gate trigger current (continuous dc)(3) (Anode voltage = 7V, RL = 100Ω, T C = 25°C) IGT Min Max - 100 - 100 - 1.7 - 200 Units µA µA Volts µA . Rev. 20130128 High-reliability discrete products and engineering services since 1977 BRX44-BRX49 SILICON CONTROLLED RECTIFIER ELECTRICAL CHARACTERISTICS (TC 25°C, RGK = 1000Ω unless otherwise noted) Characteristic Gate trigger voltage (continuous dc) (Anode voltage = 7V, RL = 100Ω) (Anode voltage = rated VDRM, RL = 100Ω) TC = 25°C TC = -40°C TC = 125°C Holding current (Anode voltage = 7V, initiating current = 20mA) TC = 25°C TC = -40°C Symbol Min Max Units VGT Volts 0.1 0.8 1.2 - IH mA - 5 10 Note 2: Forward current applied for 1 ms maximum duration, duty cycle ≤ 1%. Note 3: RGK current is not included in measurement. MECHANICAL CHARACTERISTICS Case TO-92 Marking Body painted, alpha-numeric Pin out See below Rev. 20130128 High-reliability discrete products and engineering services since 1977 BRX44-BRX49 SILICON CONTROLLED RECTIFIER Rev. 20130128