FIXED CARBON COMPOSITION RESISTORS KAMAYA OHM RC *Features 1. Improved pulse endurance characteristics compared to carbon-film devices. 2. Wide resistance range is available, 1 ohm ~ 22M ohm. 3. Stability Class : 10% *Dimensions d H L H D Unit : mm Style RC1/4 RC1/2 L 6.3 0.7 9.5 +0.8 -0.7 D 2.40.1 3.60.2 H 303 283 d *Unit weight/pc. 0.6 0.05 222mg 422mg 0.7 +0.07 -0.05 *Values for reference Number Description *Part Example Style RC 1/4 Product Type Rated Dissipation 1/4 0.25W 1/2 0.5W 102 J Rated Resistance Tolerance on Rated Resistance J 5% K 10% M 20% E24, 12, 6 Series e.g. : 2R2=2.2 ohm 102=1k ohm B *Packaging B H TB TD Bulk (Straight) Horizontal Forming 52 mm Width Tape (Ammo Box) 52 mm Width Tape (Reel) *Refer to Tape and Packaging information on pages 64. 58 Product specifications contained in this catalogue are subject to change at any time without notice. Please confirm specifications with your order. RoHS KAMAYA OHM FIXED CARBON COMPOSITION RESISTORS RC *Ratings Style Combination of Rated Resistance Range and Temperature Coefficient of Resistance Rated Dissipation Limiting Element Rated Resistance Tolerance on Rated Resistance and at 70C Voltage Temperature Coefficient of Resistance % Rated Resistance Range Perferred Number Series for Resistors W V Range at -55 C at +125 C RC1/4 0.25 250 1 ohm~5.6M ohm RC1/2 0.5 350 1 ohm~22M ohm +6.5 ~0 +10 ~0 +13 ~0 +15 ~0 +20 ~0 1 ohm ~ 1k ohm 1.1k ohm ~ 10k ohm 11k ohm ~100k ohm 110k ohm ~ 1M ohm 1.1M ohm ~ 22M ohm +1~ -5 0~ -6 0~ -7.5 0~ -10 0~ -15 Isolation Voltage V J ( 5%) : E24 K ( 10%) : E12 M( 20%) : E6 Category Temperature Range C 100 -55~+125 500 Note1. Rated Voltage = (Rated Dissipation)x(Rated Resistance). (d.c. or a.c. r.m.s. Voltage) Note2. Limiting Element Voltage can only be applied to resistors when the resistance value is equal to or higher than the critical resistance value. Note3. Critical Resistance Value is the resistance value at which the rated voltage is equal to the limiting element voltage. *Storage Temperature 2015C, Humidity 60%R.H. Max, Recommendation Storing Term 6 months after shipped from factory. *Derating Curve The derated values of dissipation for temperatures in excess of 70C shall be indicated by the following Curve. *Climatic Category 55/125/56 Lower Category Temperature -55C Upper Category Temperature +125C Duration of the Damp heat, Steady-State Test 56 days *Performance Characteristics Description Percentage of the rated dissipation(%) 100 Area of recommended operation 0 -55 70 125 Ambient Temperature(C) JIS C 5201-1 : 1998 Requirements Test Methods Clause 4.7 V-block method RC1/4 100Va.c.,60s RC1/2 500Va.c.,60s Measuring temperature : +20C/-55C/ +20C/+125C/+20C Voltage proof No breakdown or flashover Variation of resistance with temperature See Ratings Table Overload R(2%+0.1 ohm) No visible damage, legible marking Clause 4.13 The applied voltage shall be 2.5 times of the rated voltage or twice of the limiting element voltage, whichever is the less Severe, 5s. R(2%+0.1 ohm) No visible damage Clause 4.16.2 10N for 510s R(2%+0.1 ohm) No visible damage Clause 4.16.3 5N twice R(2%+0.1 ohm) No visible damage Clause 4.16.4 180C, 2 rotation Solderability In accordance with Clause 4.17.4.5 Clause 4.17 235C, 5s Resistance to soldering heat R(3%+0.1 ohm) No visible damage, legible marking Clause 4.18 After immersion into the flux, the immersion into solder shall be carried out 4mm from the body at 350C for 3.5s. Rapid change of temperature R(2%+0.1 ohm) No visible damage Clause 4.19 5 cycles between -55C and +125C. Climatic sequence R(10%+0.5 ohm) Insulation resistance : R100M ohm No visible damage Clause 4.23 Dry/Damp heat(12+12h cycle), first cycle./ Cold/Damp heat(12+12h cycle), remaining cycle./ D.C.Load. Damp test, steady state R(10%+0.5 ohm) Insulation resistance : R100M ohm No visible damage, legible marking Clause 4.24 40C, 95%R.H., 56 days, test a) , b) and c) of Clause 4.24.2.1 Endurance at 70C R(10%+0.5 ohm) No visible damage Insulation resistance : R1G ohm Clause 4.25.1 Rated voltage, 1.5h "ON", 0.5h "OFF", 70C, 1,000h. Endurance at the upper category temperature R(10%+0.5 ohm) No visible damage Insulation resistance : R1G ohm Clause 4.25.3 125C, no-load, 1,000h. Tensile Robustness Bending of terminations Torsion Clause 4.8 Product specifications contained in this catalogue are subject to change at any time without notice. Please confirm specifications with your order. RoHS 59 KAMAYA OHM FIXED CARBON COMPOSITION RESISTORS RC *Typical Characteristics *Surge Resistance Characteristics Charging and discharging a 2,000 pF capacitor for 100 cycles. 10 10 0 a R/R(%) R/R(%) 0 b -10 -30 0 2 4 c -10 c RC1/4 a : 1.2M ohm b : 33k ohm c : 1k ohm -20 a b RC1/2 a : 1.2M ohm b : 10k ohm c : 1k ohm -20 6 8 10 12 -30 14 0 2 4 6 8 10 12 Voltage(kV) 14 Voltage(kV) *Relationship between Load Ratio and Category Temperature *Endurance at 70C 0 0 Load FactorP/Ph=1.25 -5 R/R(%) R/R(%) 0 0.25 1.0 0.75 0.5 -10 -15 -1 RC1/4 -2 RC1/2 100k ohm n=50 2,500 hours 30 RC1/2 220k ohm in an atomosphere of 70C -3 50 70 90 110 130 0 100 500 1000 Ambient Temperrature(C) Testing Time(Hrs.) *Variation with Time *Frequency Characteristics Condition : 5~35C , 45~85% R.H. 3 a : RC1/4 100k ohm b : RC1/4 1k ohm c : RC1/2 1M ohm 100 1 a b Rac/Rdc(%) R/R(%) 2 c 0 75 50 a a : RC1/4 b : RC1/2 b 25 -1 0 2 4 6 8 10 0 12 0.1 0.5 1 5 10 50 100 (MHz . M ohm) Variation with Time(month) *Reliability Test "Typical characteristics indicate the mean values of R/R etc." Endurance in humidity Samples : RC1/4J,100 ohm,1k ohm,10k ohm,100k ohmx150 each. Total 2,400. Conditions : Direct current voltage equivalent to the following load ratings in cycles on "ON" for 1.5h and "OFF" for 0.5h for a total of 5,000h in an atmosphere of 40C, 90 to 95%R.H. Criterion (%) R/R 5 10 60 Load Ratio P/Pn (%) 0 20 60 100 Total Total Total Testing Time T(Hrs. ) Number of Failures r(pcs.) 2.984X106 2.990X106 2.997X106 2.992X106 1.196X107 1.20X107 6 4 2 3 15 0 Failure Ratio 0.201 0.134 0.067 0.100 0.125 0.0055 CL(60%) 0.244 0.176 0.104 0.139 0.138 0.007 Product specifications contained in this catalogue are subject to change at any time without notice. Please confirm specifications with your order. RoHS Average Lifetime (60% reliability level) (Hrs.) 4.098x105 5.682x105 9.615x105 7.194x105 7.209x105 1.299x107