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CAR6 Scheda tecnica(PDF) 2 Page - Welwyn Components Limited |
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CAR6 Scheda tecnica(HTML) 2 Page - Welwyn Components Limited |
2 / 2 page Figure 1 Construction Ceramic rods are coated with a metal film and plated steel caps are force fitted. A helical cut is used to adjust the film to its final value. Termination wires are welded to the caps and the resistor is protected with a specially formulated epoxy coating. Terminations Material Solder-coated copper wire. Strength The terminations meet the requirements of IEC 68.2.21 Solderability The terminations meet the requirements of IEC 115-1, Clause 4.17.3.2 Ultra Precision Metal Film Resistors CAR series © Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com 179 Issue B · 03.02 Welwyn Components Values 10 ≤ 250k Values > 250k Actual Performance Actual Performance Maximum Typical Maximum Typical Load at rated power : 1000 hrs at 70°C (or 85°C) ∆R % 0.05 0.02 0.25 0.05 Dry heat : 1000 hrs at 155°C ∆R % 0.15 0.08 1 0.2 Shelf life : 12 months at room temperature ∆R % 0.01 0.003 0.04 0.02 Derating from rated power at 70°C (or 85°C) Zero at 155°C Zero at 155°C Short term overload ∆R % 0.01 0.001 0.08 0.01 Climatic ∆R % 0.05 0.02 0.2 0.05 Climatic category 55/155/56 55/155/56 Long term damp heat ∆R % 0.05 0.02 0.2 0.05 Temperature rapid change ∆R % 0.04 0.02 0.25 0.05 Resistance to solder heat ∆R % 0.02 0.003 0.05 0.005 Vibration and bump ∆R % 0.02 0.002 0.06 0.02 Noise (in a decade of frequency) µV/V 0.2 0.03 1 0.1 Voltage coefficient of resistance ppm/V 0.3 <0.05 0.2 <0.05 Marking Type reference, TCR code, resistance value and tolerance code. The resistance value marking conforms to IEC 62. Solvent Resistance The body protection and marking are resistant to all normal industrial cleaning fluids suitable for printed circuits. Performance Data Application Notes Resistors can be supplied matched for tolerance and TCR down to ±0.005% and ±1ppm/°C, respectively, either as separate resistors or pre-assembled and encapsulated within a plastic box. The individual resistors within a set or module can be manufactured with a tolerance of ±0.01% and a TCR of ±5ppm/°C. 52 f1 f2 6 6 5 Body location f1 – f2 ≤ 1.4 mm Packaging CAR5 and CAR6 resistors are supplied taped (on reel or in ammo pack) or loose packed. CAR7 resistors are supplied loose packed. Type CAR5 CAR6 CAR7 Small box 250 125 25 Large box 1000 500 250 Reel 5000 2500 - Ammo Pack 1000 1000 - Standard Quantities Per Pack |
Codice articolo simile - CAR6 |
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Descrizione simile - CAR6 |
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