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TCH35P7K50JE Datasheet(PDF) 1 Page - Ohmite Mfg. Co. |
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TCH35P7K50JE Datasheet(HTML) 1 Page - Ohmite Mfg. Co. |
1 / 2 page 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com 148 characteristics tch series 35 Watt TO220 Package Thick Film Power Resistance Range 0.05Ω to 10KΩ (higher values on request sub- ject to derating) Resistance Tolerance: ± 5% standard; ± 1% available on request Temperature Coefficient Referenced to 25°C, ∆R taken at +105°C 10Ω and above: ±50 ppm°C For under 10Ω: 0R6 - 9R9: 100PPM 0R4 - 0R59: 150PPM 0R2 - 0R39: 250PPM 0R1 - 0R19: 500PPM 0R05 - 0R09: 1000PPM Max. Operating Voltage 350V Dielectric Strength 1800 VAC Insulation Resistance 10GΩ min. Momentary Overload 2x rated power for 5 seconds as long as the applied voltage ≤1.5 times the continuous operating voltage, where ∆R ±(0.3% + 0.01Ω) max Terminal Material Copper Terminal Plating Lead Free Solder (97% Tin, 3% Silver) Maximum Torque 0.9 Nm Power Rating 35 Watts @ 25°C case temperature; see derat- ing curve, below Working Temperature Range -55°C to +175°C Solder Process The TCH35 cannot exceed 260°C for more than 10 seconds during soldering process Test Condition Result ∆R Load Life MIL-R-39009, 2000 Hours @ Rated Pwr ±(1.0% +0.01) Ω Thermal Shock MIL-R-STD-202, Method 107, Cond. F ±(0.3% +0.01) Ω max High Freq Vibration MIL-R-STD-202, Method 204, Cond. D ±(0.2% +0.01) Ω max Terminal Strength MIL-R-STD-202, Method 211, Cond. A (Pull Test) 2.4N ±(0.2% +0.01) Ω max Moisture Resistance MIL-R-STD-202, Method 106 ± (0.5% +0.01) Ω max 175 100 Bottom of base plate Temperature, °C 60 20 0 050 100 150 25 75 125 80 40 20/35 16/28 12/21 8/14 4/ 7 0 TAH/TCH TCH TAH Ohmite’s TCH35 TO220 package resistor provides 35W of steady state power when properly used in today’s well defined heat sink applications. These very low induction resistors are built under proprietary processes that deliver more power handling capability than other TO220 package resistors of similar size. Standard terminal forms are provid- ed for manual or automatic insertion. A single screw mounting tab con- nects to the heat sink and should be accompanied by the use of a thermal compound. The TCH35 Series offers a low thermal resistance to the heat sink of <4.28°C/W. Fea tures • 35W Power Rating @ 25°C • Very Low Inductance Design • Single Screw Mounting • Low Thermal Resistance to Heat Sink @ RTH<4.28°C/W • Resistance Element is Electrically Insulated from Metal Heat Sink Mounting Tab applica tions • Switching Power Supplies • Snubbers • High Frequency • Voltage Regulation • Low Energy Pulse Loading Derating (continued) |
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