TN2540-G

® TN2540-G SCR FEATURES HIGH SURGE CAPABILITY HIGH ON-STATE CURRENT HIGH STABILITY AND RELIABILITY DESCRIPTION The TN2540 series of Silicon Controlled Rectifiers uses a high performance glass passivated technology. This SCR is designed for power supplies up to 400Hz on resistive or inductive load. A A K G D2PAK ABSOLUTE MAXIMUM RATINGS Symbol IT(RMS) IT(AV) ITSM Parameter RMS on-state current (180° conduction angle) Average on-state current (180° conduction angle) Non repetitive surge peak on-state current (Tj initial = 25°C) I2t dI/dt Tstg Tj Tl I2t Value for fusing Critical rate of rise of on-state current dIG /dt = 1 A/µs. IG = 100 mA Storage junction temperature range Operating junction temperature range Maximum temperature for soldering during 10s Tc= 100°C Tc= 100°C tp = 8.3 ms tp = 10 ms tp = 10ms Value 25 16 314 300 450 100 - 40 to + 150 - 40 to + 125 260 A2s A/µs °C °C Unit A A A Symbol VDRM VRRM Parameter Repetitive peak off-state voltage Tj = 125°C TN2540600G 600 800G 800 Unit V May 1998 - Ed: 5 1/5 TN2540-G THERMAL RESISTANCES Symbol Rth(j-a) Rth(j-c) Parameter Junction to ambient (S=1cm2) Junction to case for D.C Value 45 1.0 Unit °C/W °C/W GATE CHARACTERISTICS PG (AV)= 1W PGM = 10 W (tp = 20 µs) ELECTRICAL CHARACTERISTICS Symbol IGT Test Conditions VD = 12V (DC) RL= 33Ω Tj= 25°C Type MIN MAX VGT VGD IH IL VTM IDRM IRRM dV/dt VD = 12V (DC) RL= 33Ω VD = VDRM RL = 3.3kΩ IT= 200mA IG = 1.2 IGT ITM= 50A tp= 380µs VD = VDRM VR = VRRM VD=67%VDRM Gate open Gate open Tj= 25°C Tj= 125°C Tj= 25°C Tj= 25°C Tj= 25°C Tj= 25°C Tj= 125°C Tj= 125°C MAX MIN MAX MAX MAX MAX MAX MIN Value 3 40 1.3 0.2 50 90 1.5 5 4 500 V V mA mA V µA mA V/µs Unit mA IGM = 4 A (tp = 20 µs) VRGM = 5 V ORDERING INFORMATION Add "-TR" suffix for Tape & Reel shipment TN SCR CURRENT 25 40 - 600 SENSITIVITY G PACKAGES : G: D2PAK VOLTAGE 2/5 TN2540-G Fig. 1: Maximum average power dissipation versus average on-state current . Fig. 2 : Correlation between maximum average power dissipation and maximum allowable temperatures (Tamb and T case) for different thermal resistances heatsink+contact. P(W) α=180° D.C. P(W) 25 20 15 10 5 IT(AV)(A) 0 0 5 10 15 20 25 α=30° α=60° α=120° α=90° Tcase (°C) Rth=3°C/W Rth=2°C/W Rth=1°C/W Rth=0°C/W 25 20 100 105 15 10 5 0 0 110 115 α=180° 120 Tamb(°C) 40 60 80 100 120 140 125 20 Fig. 3: Average and D.C. on-state current versus case temperature. Fig. 4: Relative variation of thermal impedance versus pulse duration. IT(AV)(A) 30 D.C. K=[Zth/Rth] 1.00 Zth(j-c) 25 20 α=180° Zth(j-a) 15 10 5 0 0 25 Tcase(°C) 50 75 100 125 0.10 tp(s) 0.01 1E-3 1E-2 1E-1 1E+0 1E+1 1E+2 5E+2 Fig. 5: Relative variation of gate trigger current and holding current versus junction temperature. Fig. 6: Non repetitive surge peak on-state current versus number of cycles. IGT,IH[Tj]/IGT,IH[Tj=25°C] 2.5 2.0 1.5 1.0 0.5 Tj(°C) 0.0 -40 -20 0 20 40 60 80 100 120 140 IH IGT ITSM(A) 320 280 240 200 160 120 80 40 0 1 Number of cycles 10 100 1000 3/5 Tj initial=25°C F=50Hz TN2540-G Fig. 7: Non repetitive surge peak on-state current for a sinusoidal pulse with width tp