characteristics - electrical 0805 1206 rated power @ 70? (w): 0.1 0.125 resistance range (ohms) min: 1101 10 max: 9.1 4m7 9.1 4m7 selection series e24 tolerance (%): ?5 or 0/-30 code letter: l p temperature coefficient (ppm/?): -200/+500 200 -200/+500 200 operating temperature range (?): -55 to +125 climatic category: 55/125/56 limiting element voltage (v): 150 200 insulation resistance dry min (m ohms): 1000 style l w h a d c d 0805 2.0 0.1 1.25 0.10 0.55 0.1 0.71 0.1 0.66 0.1 0.4 0.2 0.4 0.2 1206 3.2 0.15 1.6 0.15 0.55 0.1 0.95 0.1 1.30 0.1 0.5 0.25 0.5 0.25 trimmable chip resistors type tcr series literature no. 1773287 issued: 04-05 dimensions are shown for reference purposes only. dimensions are in millimetres unless otherwise specified. specifications subject to change. www.tycoelectronics.com passives.tycoelectronics.com key features tcr chip resistors are suitable for most applications, including high frequency operation, owing to the short lead structure and low capacitance. the tcr series of chip resistors is designed to be used in circuits where variable resistors might otherwise be used. the resistance film and the coating have been specified to permit yag laser trimming. case sizes 0805 and 1206. type tcr series precious metal terminations are screen printed onto a ceramic base and fired. the resistive element is screen printed and fired and the passivation layer added. the pre-scribed tile is broken into strips, the end plating is fired on and the strips broken into individual components. final termination is made by electroplating. dimensions marking tcr series resistors are not marked. mounting the resistors are suitable for processing on automatic insertion equipment. storage unopened reels should be stored within a temperature range of +5 ? to +25 ?, separated from any dust, chemicals and solvent based materials. non-adherence to this procedure could effect the solderability of this product. power derating curve 0 20 40 60 80 100 120 125 100 80 60 40 20 0 rated power (%) ambient temperature (?)
trimmable chip resistors type tcr series literature no. 1773287 issued: 04-05 dimensions are shown for reference purposes only. dimensions are in millimetres unless otherwise specified. specifications subject to change. www.tycoelectronics.com passives.tycoelectronics.com how to order orders for these components should include the following information:- type, tolerance code letter and value e.g. tcr0805l470k. performance characteristics the evaluation of the performance characteristics is carried out with reference to iec specifications qc 400 000 and qc 400 600 test ref long term tests (5% + 0.1 ohm) 4.23 climatic sequence 4.24 damp heat, steady state 4.25.1 endurance at 70? 4.25.3 endurance at 125? test ref short term tests (1% + 0.05 ohm) 4.13 overload 4.32 adhesion 4.33 bond strength of end face plating 4.19 rapid change of temperature 4.18 resistance to soldering heat
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