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| Datasheet File OCR Text: |
| RESISTORS FIG.1 DMR 16 RESISTOR SECTION 1 POWER RATINGS Resistors shall have a power rating based on continuous full-load operation at an ambient temperature of 70C. For temperature in excess of 70C, the load shall be derated as shown in the figure 1. TABLE 1 RATINGS Rated Power Max. Working Voltage Max. Overload Voltage Rated ambient temp. Operating Temp. Range Resistance tolerance Resistance range 0.4W at 70C 200V 400V 70C -55C to +155C 1% 10 to 1M VOLTAGE RATINGS Resistors shall have a rated direct-current (DC) continuous working voltage or an approximate sine-wave root-mean-square (RMS) alternating-current (AC) continuous working voltage at commercial-line frequency and waveform corresponding to the power rating, as determined from the following formula: RCWV = P X R CONSTRUCTION No. Name 1 Basic Body 2 Resistor 3 End Cap 4 Lead Wire 5 Joint 6 Coating 7 Colour Code Material Rod type ceramics Metal Film Steel (Tin plated Iron surface) Annealed Copper wire (electrosolder plated surface) By welding Insulated resin (colour - apple green) Epoxy resin SECTION 4 DMR SELECTION GUIDE Where: RCWV = rated DC or RMS AC continuous working voltage at commercial-line frequency and waveform (Volt) P = Power rating (Watt) R = Nominal resistance (Ohm) In no case shall the rated DC or RMS AC continuous working voltage be greater than the applicable maximum value. NOMINAL RESISTANCE Effective figures of nominal resistance shall be in accordance with E-24 series, and resistance tolerance shall be shown by table 1. ORDERING INFORMATION DMR 16 Type 16 = 0.4W T Taping BD= Tape and reel T = Tape and ammo 75R Value in ohms Please note taping specification is available on page 134. 130 Fax: 01371 875075 www.dubilier.co.uk Tel: 01371 875758 RESISTORS SPECIFICATION PERFORMANCE TEST ShortTimeOverload DielectricWithstandingVoltage TemperatureCoefficientofResistance InsulationResistance Solderability ResistancetoSolvent TerminalStrength PulseOverload LoadLifeinHumidity LoadLife TemperatureCycling ResistancetoSolderingHeat TEST METHOD JIS-C-52025.5 2.5TimesRCWVfor5seconds JIS-C-52025.7 inV-Blockfor60seconds JIS-C-52025.2 -55Cto155C JIS-C-52025.6 inV-Block JIS-C-52026.5 260Cfor5Seconds JIS-C-52026.9 Trichloroethanefor1Min.withUltrasonic DirectLoadfor10Sec.inTheDirectionofTerminalLeads JIS-C-52025.8 4TimesRCWV10000Cycles(1Sec.on,25Sec.off) JIS-C-52027.9 402C,90~95%RHatRCWVfor1000hrs. (1.5Hrs.on,0.5Hrs.off) JIS-C-52027.10 70CatRCWVfor1000Hrs.(1.5Hrs.on,0.5Hrsoff) JIS-C-52027.4 -55CRoomTemp.155CRoomTemp.for5Cycles JIS-C-52026.4 350C10Cfor30.5seconds DMR 16 RESISTOR APPRAISE (0.25%+0.05) byType byType >10000M 95%Min.Coverage NoDeteriorationof coatings&markings >2.5kg(24.5N) (2%+0.05) (1.5%+0.05) (1.5%+0.05) (0.25%+0.05) (0.25%+0.05) OUTLINE DRAWING SECTION 4 131 L (max.) D (max.) d+ 0.05 3.3+0.4 1.8+0.3 0.5mm H2 28 Fax: 01371 875075 www.dubilier.co.uk Tel: 01371 875758 |
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