Breckland Scientific 2023 Catalogue

Electricity

Resistors & Resistance

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1 POTENTIOMETERS Potentiometers/variable resistors, with linear compact carbon track rotary control. An all plastic body housing which is semi-sealed against dust and moisture. Can be panel mounted with threaded bush M10 thread. Has PCB terminals. Body diameter: 16mm. Body depth: 8mm. Spindle length: 38mm. Spindle diameter: 6mm. Rating at 40°C: 0.25W. Temperature range: -25°C to +70°C. Spindle rotation: 300°. Maximum Voltage: 500V. In packs of 5. Cat No. Description Price Per ECO-200-100 1K Ohm Potentiometer Pack 4.64 5pk ECO-200-150 10K Ohm Potentiometer Pack 4.64 5pk 2 WIREWOUND POTENTIOMETERS High quality wire-wound potentiometer/variable resistors, ideal for loudspeaker volume controls, miniature motor speed controllers, etc. Power rating: 5W; Resistance tolerance: ±20%; Spindle rotation: 300° ±5°; Max. operating voltage: 120V; Breakdown voltage: 200V; Dimensions: Body diameter 24mm, Body depth 11mm, Spindle diameter 6mm , Spindle length: 6.5mm (17mm incl. bush). Cat No. Description Price Per ECO-220-050 Wirewound Potentiometers 5W 100Ω 5.38 ea. ECO-220-100 Wirewound Potentiometers 5W 50Ω 3.64 ea. 3 TELEDELTOS CONDUCTIVE PAPER Suitable for plotting electric fields by means of the equipotential points method. Can also be used for producing home made strip resistors. Supplied either as a single sheet 457mm x 457mm or a pack of 10 sheets each 380mm x 530mm. Cat No. Description Price Per ELR-450-050 Teledeltos Conductive Paper Sheet 4.38 ea. ELR-450-100 Teledeltos Conductive Paper Pack 37.20 10pk 4 RESISTANCE PUTTY Conducts electricity and can be moulded to any shape. Particularly useful in teaching the relationship between cross sectional area and length in relation to the change in resistance. Cat No. Description Price Per ELR-150-100 Resistance Putty 26.53 100g 5 CERAMIC WIREWOUND RESISTORS High power axial wirewound resistors in a flame and moisture resistant ceramic casing. Power rating 7 Watts. Sold as a pack of 10 resistors. Cat No. Description Price Per ECO-380-010 Ceramic Wirewound Resistor Pack 10 Ohm 7W 3.68 10pk 6 AXIAL WIREWOUND RESISTORS High power axial wirewound resistors in a standard resistor format with colour bands. Power rating 5 Watts. Sold as a pack of 10 resistors. Cat No. Description Price Per ECO-390-010 Axial Wirewound Resistor Pack 10 Ohm 5W 2.98 10pk

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Wirewound Potentimeters

Potentiometer

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Teledeltos Conductive Paper

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Resistance Putty

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Ceramic Wirewound Resistor

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Axial Wirewound Resistor

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