type rox series the resistive element comprises a metal oxide film deposited on a ceramic former. the element is protected by a flameproof coating which will withstand overload conditions without flame or mechanical damage. they are recommended for use in applica- tions such as line protection etc key features high power with small size for space saving excellent long term stability complete flameproof construction high surge/overload capability controlled temperature capability solvent resistant coat and code special lead formations possible characteristics - electrical roxo5 rox1 rox2 roxo5s rox1ss rox1s rox2s rox3s rox5s rated power @ 70c (w): 0.5 1 2 0.5 1 1 2 3 5 resistance range (ohms) min: 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 max: 330k 470k 560k 100k 200r 270k 470k 560k 560k tolerance and code letter: 2% (g) / 5% (j) 1% (f) available on request temp. coefficient max (ppm/c): 350 selection series: e24 limiting element voltage (v): 250 350 350 250 350 350 350 350 500 maximum overload voltage (v): 400 600 600 400 400 600 600 600 800 max intermittent overload 500 750 750 500 500 750 750 750 1500 voltage (v): operating temp. range (c): -55 to +235 climatic category: 55/235/56 dielectric strength (v): 250 350 350 250 350 350 350 350 500 insulation resistance (mohms): 1,000 standard range leaded standard range pre-formed "s" range leaded "s" range pre-formed style d max l max l+/-3 d+/-0.05 rox05 3.5 10 28 0.54 rox1 5 12 25 0.7 rox2 5.5 16 28 0.7 style p1 0.5 p2 2 h1 h2 h max roxo5 12.5 12.5 7.5 1.5 3.5 1 2.0 rox1 15 15 7.5 1.5 3.5 1 2.0 rox2 20 20 7.5 2.0 3.5 1 3.0 style p1 0.5 p2 2 h1 h2 h max roxo5s 10 10 7.5 1.5 3.5 1 2.0 rox1ss 10 10 7.5 1.5 3.5 1 2.0 rox1s 12.5 12.5 7.5 0.5 3.5 1 2.0 rox2s 15 15 7.5 1.5 3.5 1 2.9 rox3s 20 20 7.5 2.0 3.5 1 3.0 rox5s 30 30 7.5 2.0 3.5 1 3.0 style d max l max l+/-3 d+/-0.05 rox05s 2.5 7.5 28 0.54 rox1ss 2.5 7.5 28 0.54 rox1s 3.5 10 28 0.54 rox2s 5 12 25 0.7 rox3s 5.5 16 28 0.7 rox5s 8 25 38 0.75 l d d dimension ??refers to loose packaged product only mounting the resistors are suitable for processing on automatic insertion equipment and cutting and bending machines. marking the resistors are marked with a four-band colour code in accordance with iec 62. grey base colour for standard range, sea blue colour for "s" range. dimensions literature no. 1773271 issued: 06-08 dimensions are shown for reference purposes only. dimensions are in millimetres unless otherwise specified. specifications subject to change. tycoelectronics.com passives.tycoelectronics.com flame-proof power metal oxide film resistors type rox series
performance characteristics heat rise chart the evaluation of the performance characteristics is carried out with reference to iec specifications qc 400 000 and qc 400 100. test ref long term tests (5% + 0.1 ohm) 4.23 climatic sequence 4.24 damp heat, steady state 4.25.1 endurance at 70c 4.25.3 endurance at 235c test ref short term tests (1% + 0.05 ohm) 4.13 overload 4.16 robustness of terminations 4.18 resistance to soldering heat 4.19 rapid change of temperature 4.22 vibration packaging new style quantity per std tape component reference ammo pack spacing *s 1 spacing c 0.5 rox05 2,000 52 5 rox1 1,000 52 5 rox2 1,000 63 10 rox05s 2,000 52 5 rox1ss 2,000 52 5 rox1s 2,000 52 5 rox2s 1,000 52 5 rox3s 1,000 63 10 rox5s 500 63 10 * other tape spacings available on request other packaging styles are available on request power derating curve -60 -40 -20 0 20 40 60 80 100 120 140 160 180 200 220 240 -55 70 125 235 100 80 60 40 20 0 percent rated load (%) ambient temperature (c) rox 1w~5w how to order rox 1 j 100r bl common part 1 - 1s 2 - 2s 3 - 3s style g - 2% j - 5% (f - 1% available on request) tolerance value rox - flame-proof power metal oxide film resistor 100 ohm (100 ohms) 100r 1k0 (1000 ohms) 1k0 100 k ohm (100,000 ohms) 100k preform bl - preformed leads literature no. 1773271 issued: 06-08 dimensions are shown for reference purposes only. dimensions are in millimetres unless otherwise specified. specifications subject to change. tycoelectronics.com passives.tycoelectronics.com flame-proof power metal oxide film resistors type rox series rox 0.5w 0 25 50 75 100 4w, 5w 3w 2w 1w 1/2w 250 200 150 100 50 0 temperature rise (c) rated load (%)
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