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ALUMINIUM ENCLOSED POWER RESISTORS Type TJT Series Key Features Key Features Excellent Heat transfer and small dimensions Good Electrical Stability, reliability and mechanically very rigid Wide Range of Resistance values available The TJT series is a range of high quality, high stability Aluminium housed low profile Power resistors designed for direct heat sink attachment. A wide range of resistance values is available in 150W to 500W when fitted to a standard heatsink Custom Terminations, Mounting Arrangements possible Ideal for custom terminations and mounting arrangements, the TJT series is RoHS compliant Characteristics – Electrical Non Inductive version available Parameter Tolerance Temperature Coefficient Insulation Resistance - Short time overload - Load Life Operating Temperature Dielectric Strength Power Derating Series TJT150 TJT250 TJT300 TJT500 1773309-6 Rev. D 07/2022 Power rating on Std Heat sink (W) 150 250 300 500 Test Compliance ±5% < ± 100 PPM/°C Dry/Normal 5x rated voltage for 5 secs Rated Power (1.5Hr ON – 1.5Hr OFF) for 1000 hours From -25°C to 250°C 1500VAC rms for 1 minute > 5 MΩ ΔR < ± % + . 5Ω ΔR < ± 1% Power rating in free air (W) Resistance Range Ω 75 125 150 250 1R0 – 1K0 1R0 - 1K5 1R0 – 1K7 1R0 – 3K0 Dimensions in millimetres unless otherwise specified Dielectric Strength (VAC) 1500 1500 1500 1500 Dimensions Shown for reference purposes only. Specifications subject to change No breakdown or flashover Linearly from 100% at 25°C to 0 at 260°C Standard Heatsink Area (CM²) 930 930 1600 1600 Thick (mm) 3 3 3 3 For Email, phone or live chat, go to: www.te.com/help ALUMINIUM ENCLOSED POWER RESISTORS Surface Temperature Vs Power Series TJT150 TJT250 TJT300 TJT500 L max (mm) 120 180 210 330 P1 (mm) 100 160 190 310 P2 (mm) N/A N/A 95 155 Marking – Laser marking from August 2022 (previously Inkjet) How To Order TJT Common Part 150 Power Rating TJT 1773309-6 Rev. D 07/2022 Dimensions in millimetres unless otherwise specified 150 – 150W 250 – 250W 300 – 300W 500 – 500W 1R0 Resistance Value J Tolerance 1 ohm 1R0 1K ohm 1000 ohms 1K0 Dimensions Shown for reference purposes only. Specifications subject to change J – 5% For Email, phone or live chat, go to: www.te.com/help