T8T Snubberless™, logic level and standard 8 A Triacs Features A2 ■ Medium current Triac ■ High static and dynamic commutation ■ Low thermal resistance with clip bonding ■ Packages is RoHS (2002/95/EC) compliant ■ 600 V VRM ■ UL certified (ref. file E81734) G A1 A1 A2 Applications ■ Value sensitive application ■ General purpose ac line load switching ■ Motor control circuits in power tools ■ Small home appliances, lighting ■ Inrush current limiting circuits ■ Overvoltage crowbar protection G TO-220AB insulated (T8xxT-6I) Table 1. Description Available in through-hole, the T8T series of Triacs can be used as on/off or phase angle control function in general purpose ac switching where high commutation capability is required. Device summary Order code Symbol Value T810T-6I IGT 3Q logic level 10 mA T820T-6I T835T-6I IGT 3Q Snubberless 20 / 35 mA T825T-6I IGT 4Q standard 25 mA This series can be designed-in in many value sensitive appliances thanks to the parameters guidance provided in the following pages. Provides insulation rated at 2500 V rms (TO-220AB insulated package). TM: Snubberless is a trademark of STMicroelectronics September 2011 Doc ID 16192 Rev 3 1/9 www.st.com 9 Characteristics T8T 1 Characteristics Table 2. Absolute ratings (limiting values; Tj = 25 °C, unless otherwise specified) Symbol IT(RMS) ITSM I ²t dI/dt VDSM / VRSM IGM PG(AV) Tstg Tj 2/9 Parameter Value Unit Tc = 97 °C 8 A F = 50 Hz tp = 20 ms 60 F = 60 Hz tp = 16.7 ms 63 tp = 10 ms 26 A² s On-state rms current (full sine wave) Non repetitive surge peak on-state current (full cycle, Tj initial = 25 °C) I²t Value for fusing A Critical rate of rise of on-state current IG = 2 x IGT tr ≤ 100 ns F = 60 Hz Tj = 125 °C 50 A/µs Non repetitive surge peak off-state voltage tp = 10 ms Tj = 25 °C VDRM/VRRM + 100 V Peak gate current tp = 20 µs Tj = 125 °C 4 A Tj = 125 °C 1 W Storage junction temperature range - 40 to + 150 °C Operating junction temperature range - 40 to + 125 °C Average gate power dissipation Doc ID 16192 Rev 3 T8T Characteristics Table 3. Electrical characteristics (Tj = 25 °C, unless otherwise specified) T8xxT Symbol IGT (1) Test conditions Quadrant Unit T810T T820T T825T T835T 10 20 25 35 I - II - III VD = 12 V, RL = 30 Ω MAX. mA IV 40 VGT VD = VDRM, RL = 30 Ω, Tj = 25 °C ALL MAX. 1.3 V VGD VD = VDRM, RL = 3.3 kΩ, Tj = 125 °C ALL MIN. 0.2 V IH (2) IT = 500 mA MAX. I - III IL IV IG = 1.2 IGT VD = 67% VDRM, gate open Tj = 125 °C Tj = 150 °C(3) 30 40 20 35 40 50 40 25 40 70 70 100 750 500 2000 50 500 300 1000 V/µs 5.4 Tj = 125 °C (dV/dt)c = 10 V/µs 2 Without snubber 4.5 3.4 8 MIN. A/ms 2.5 (dV/dt)c = 0.1 V/µs (dV/dt)c = 10 V/µs mA mA MIN. (dV/dt)c = 0.1 V/µs (di/dt)c (2) 25 MAX. II dV/dt (2) 15 Tj = 150 °C(3) 1 Without snubber 2 2 6.5 1. Minimum IGT is guaranted at 5% of IGT max. 2. For both polarities of A2 referenced to A1. 3. Derating information for excess temperature above Tj max. Table 4. Static characteristics Symbol VT (1) VTO (1) RD (1) IDRM IRRM Test conditions Value Unit ITM = 11.3 A, tp = 380 µs Tj = 25 °C MAX. 1.60 V Threshold voltage Tj = 125 °C MAX. 0.87 V Dynamic resistance Tj = 125 °C MAX. 60 mΩ 5 µA Tj = 25 °C VDRM = VRRM MAX. Tj = 125 °C Tj = 150 °C(2) VD = 0.9 x VDRM 1 mA TYP. 1.9 1. For both polarities of A2 referenced to A1. 2. Derating information for excess temperature above Tj max. Doc ID 16192 Rev 3 3/9 Characteristics Table 5. T8T Thermal resistance Symbol Parameter Value Unit Rth(j-c) Junction to case (AC) 2.8 °C/W Rth(j-a) Junction to ambient (DC) 60 °C/W Figure 1. Maximum power dissipation versus Figure 2. rms on-state current P(W) 10 IT(RMS)(A) 10 9 α = 180° 9 α = 180° 8 On-state rms current versus case temperature 8 7 7 6 6 5 5 4 4 3 3 2 2 180° 1 1 IT(RMS)(A) 0 0 1 2 Figure 3. 2.5 3 TC(°C) 0 4 5 6 7 0 8 On-state rms current versus ambient temperature (free air convection) 25 Figure 4. IT(RMS)(A) 1.0E+00 50 75 100 125 Relative variation of thermal impedance versus pulse duration K = [Zth / Rth] Zth(j-c) α = 180° 2.0 Zth(j-a) TO-220AB 1.5 1.0E-01 1.0 TO-220AB 0.5 Ta(°C) 0.0 0 Figure 5. 100 25 50 75 100 125 On-state characteristics (maximum values) 1.0E-02 1.0E-03 Figure 6. ITM(A) 70 Tp(s) 1.0E-02 1.0E-01 1.0E+00 1.0E+01 1.0E+02 1.0E+03 Surge peak on state current versus number of cycles ITSM(A) 60 t = 20 ms Non repetitive Tj initial = 25 °C 50 One cycle 40 10 30 Repetitive Tc = 97 °C 20 VTM(V) 1 0 4/9 Tjmax: Vto = 0.87 V Rd =6 0 mΩ 1 2 10 Number of cycles 0 3 4 5 1 Doc ID 16192 Rev 3 10 100 1000 T8T Characteristics Figure 7. 1000 Non repetitive surge peak on-state Figure 8. current for a sinusoidal ITSM(A), I²t (A²s) 3.0 Relative variation of gate trigger current and gate trigger voltage versus junction temperature IGT, VGT[Tj] / IGT, VGT[Tj = 25 °C] typical values Tj initial = 25 °C 2.5 ITSM dl /dt limitation: 50 A / µs IGT Q3 IGT Q1-Q2 2.0 1.5 100 1.0 IGT Q1-Q2-Q3 I²t 0.5 tp(ms) pulse with width tp<10 ms, and corresponding value of I²t 10 0.01 0.10 Figure 9. 2.0 1.00 10.00 Tj(°C) 0.0 -50 -25 0 25 50 75 100 125 Relative variation of holding Figure 10. Relative variation of static dV/dt current and latching current versus immunity versus junction junction temperature temperature IH, IL[Tj] / IH, IL[Tj = 25 °C] 7 typical values dV / dt [Tj] / dV / dt [Tj = 125 °C] VD = VR = 402 V 6 1.5 5 4 1.0 3 IL 2 0.5 IH 1 Tj(°C) 0.0 -50 -25 0 25 50 75 100 125 Figure 11. Relative variation of critical rate of decrease of main current versus junction temperature 6 Tj(°C) 0 (dl / dt)c [Tj] / (dl / dt)c [Tj = 125 °C] 25 50 75 100 125 Figure 12. Relative variation of leakage current versus junction temperature 1.0E+00 IDRM/IRRM [Tj; VDRM / VRRM] / IDRM/IRRM [Tj = 125 °C; 600 V] VDRM = VRRM = 600 V 5 4 VDRM = VRRM = 400 V 1.0E-01 3 2 VDRM = VRRM = 200 V 1.0E-02 1 for different values of blocking voltage Tj(°C) 0 25 50 75 100 125 1.0E-03 25 Doc ID 16192 Rev 3 Tj(°C) 50 75 100 125 5/9 Ordering information scheme 2 T8T Ordering information scheme Figure 13. Ordering information scheme T TRIAC Current 8=8A Sensitivity 10 = 10 mA 20 = 20 mA 25 = 25 mA 35 = 35 mA Application specific Voltage 6 = 600 V Package I = TO-220AB-Ins. 6/9 Doc ID 16192 Rev 3 8 10 T - 6 I T8T 3 Package mechanical data Package mechanical data ● Epoxy meets UL94, V0 ● Lead-free packages In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. Table 6. TO-220AB Insulated dimensions Dimensions Ref. Millimeters Min. A 15.20 a1 C B ØI F A Max. Min. Typ. 15.90 0.598 3.75 Max. 0.625 0.147 a2 13.00 14.00 0.511 0.551 B 10.00 10.40 0.393 0.409 b1 0.61 0.88 0.024 0.034 b2 1.23 1.32 0.048 0.051 C 4.40 4.60 0.173 0.181 c1 0.49 0.70 0.019 0.027 c2 2.40 2.72 0.094 0.107 e 2.40 2.70 0.094 0.106 F 6.20 6.60 0.244 0.259 ØI 3.75 3.85 0.147 0.151 I4 15.80 16.40 16.80 0.622 0.646 0.661 L 2.65 2.95 0.104 0.116 l2 1.14 1.70 0.044 0.066 l3 1.14 1.70 0.044 0.066 b2 L Typ. Inches I4 l3 c2 a1 l2 a2 M b1 c1 e M Doc ID 16192 Rev 3 2.60 0.102 7/9 Ordering information 4 Ordering information Table 7. 5 Ordering information Order code Marking T810T-6I T810T-6I T820T-6I T820T-6I T825T-6I T825T-6I T835T-6I T835T-6I Package Weight Base qty Delivery mode TO-220AB-Ins. 2.3 g 50 Tube Revision history Table 8. 8/9 T8T Document revision history Date Revision Changes 10-Sep-2009 1 First issue. 18-Jan-2010 2 Updated pag.1. 20-Sep-2011 3 Updated: Features. 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