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TGHGCR0020FE Datasheet(PDF) 1 Page - Ohmite Mfg. Co. |
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TGHGCR0020FE 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 157 TGHG Series Precision Current Sense Resistors Heat Sink Nickel-plated copper Terminal Nuts American standard 303 stainless steel Standard Resistance Values 0.5mΩ-1Ω, others on request Resistance Tolerances 0.5% (0.0005 thru 0.022Ω), 1%, 5% Temperature Coefficient referenced to 25°C, ∆R taken at -15°C and +105°C, <60ppm/°C; <500ppm/°C for resistance range 27mΩ-49mΩ) Power Rating 100W at 70°C case temperature; 50Amp permanent (higher on request) Dielectric strength 1000VDC, higher value on request Heat Resistance Rth <0.56K/W Protection class acc. to IEC 950/CSA22.2 950/M -89 and EN 60950.88:2 Working Temp. Range -55°C to +155°C Max. Torque for Contacts 1.3Nm 8 (static) Max Torque for Base Plate 1.5 Nm (static) Maximum Cont. Amperage 200 amps depending on ohmic value; only available in 10% Derating 100 Bottom of base plate Temperature, °C 60 20 0 175 80 40 25 100 125 0 50 70 150 100 60 20 0 80 40 G Type: Fea T ure S • Resistance values beginning at 0.5m Ω • Non Inductive • Four terminal Kelvin connection • SOT 227 Package • Four terminals to isolate measurement path from current flow path • Accuracy in a high power package Best results can be reached by using a thermal transfer compound with a heat conductivity of better than 1W/mK THIS PRODUCT IS DESIGNED FOR USE WITH PROPER HEATSINKING. Maximum base plate temperature of the resistor must be monitored and kept within specified limits to es- tablish the power rating. Best technique is to attach a thermocouple to the side of the base plate of the resis- tor. Temperature of plastic housing or heat sink cannot be used to establish rating of the resistor. The TGHG Series uses state of the art technol- ogy to provide highly reliable, non inductive performance. This resis- tor is ideal for many current monitoring and controls applications. c H arac T eri ST ic S (continued) |
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