mcr10 resistors 1/4 thick film rect angular low resist ance series mcr10 (2012 size (0805 size) : 1 / 4w ) z f eatu r es 1) pow e r rating of 1 / 4w 2) highly reliable chip resistor ruthenium oxide dielectric of fers superior resist ance to the element s. 3) electrodes not corroded by soldering t h ick film makes the electrodes very strong. 4 ) d e s i gn a nd sp ec ific at io ns ar e s u b j ect t o c h a n g e w i t h o u t not ic e. ca ref u ll y ch eck the s p e c if icat i on sh e e t bef or e u s i n g o r ordering it. z ra tings 0.25w (1 / 4w) ? 55 c to + 155 c at 70 c item conditions specifications rated power rated voltage operating temperature nominal resistance see table 1. limiting element voltage 1.58v(10 ? ) 0 20 40 60 80 100 ? 55 0 7 0 100 155 ambient temperature ( c) power load (%) fig.1 the voltage rating is calculated by the following equation. if the value obtained exceeds the limiting element voltage, the voltage rating is equal to the maximum operating voltage. e: rated voltage (v) p: rated power (w) r: nominal resistance ( ? ) e= p r power must be derated according to the power derating curve in figure 1 when ambient temperature exceeds 70 c .
mcr10 resistors 2/4 f( 1%) j ( 5%) 0.15 r 10 (e24) (e24) (e24) (e24) 250 0.1 r 0.13 (e24) 400 200 0.047 r 0.091 (e24) 500 300 0.1 r 0.13 400 200 0.15 r 1.0 250 500 300 0.047 r 0.091 table 1 resistance tolerance resistance range ( ? ) special specification l l s l l s resistance temperature coefficient (ppm/ c) z before using component s in circuit s w here they w ill be ex posed to transient s such as pulse loads (short?duration, high? lev e l l oads), be cert ain to ev aluate the component in the mounted st ate. in addi tion, the reliability and performance of th is component cannot be guaranteed if it is used w i th a steady st ate v o lt age that is greater than it s rated v o lt age. z ch aracteristics item test conditions (jis c 5201-1) resistor type guaranteed value resistance variation of resistance with temperature solderability damp heat, steady state endurance at 70 c endurance rapid change of temperature bend strength of the end face plating resistance to solvent resistance to soldering heat overload (2.0% + 0.005 ? ) (1.0% + 0.005 ? ) (3.0% + 0.005 ? ) j : 5% f : 1% see table.1 no remarkable abnormality on the appearance. a new uniform coating of minimum of 95% of the surface being immersed and no soldering damage. without mechanical damage such as breaks. jis c 5201-1 4.5 jis c 5201-1 4.8 measurement : + 25 / ? 55 / + 25 / + 125 c load voltage : a measuring method : measure upper termination by 4 proves. jis c 5201-1 4.18 soldering condition : 260 5 c duration of immersion : 10 1s. jis c 5201-1 4.24 40 c, 93%rh test time : 56days (3.0% + 0.005 ? ) (3.0% + 0.005 ? ) (0.5% + 0.005 ? ) (1.0% + 0.005 ? ) (1.0% + 0.005 ? ) jis c 5201-1 4.25.1 70 c, rated voltage 1.5h : on ? 0.5h : off test time : 1,000h jis c 5201-1 4.25.3 155 c test time : 1,000h to 1,048h jis c 5201-1 4.29 23 c 5 c , immersion cleaning, 5 0.5min. solvent : 2-propanol jis c 5201-1 4.19 test temp. : ? 55 c to + 125 c 5cyc jis c 5201-1 4.33 jis c 5201-1 4.17 rosin-ethanol (25%wt) soldering condition : 235 5 c duration of immersion : 2.0 0.5s. jis c 5201-1 4.13 rated voltage (current) 2.5, 2s. upper termination prove
mcr10 resistors 3/4 z ex te rna l dime ns ions (unit : mm) no. material resistive element silver thick film electrode nickel electrode sn electrode alumina substrate overcoating 0.4 0.2 1.25 0.1 0.55 0.1 0.4 0.2 2.0 0.1 1 2 3 4 5 6 1 2 4 5 6 3 z packag in g 0 2 0 4 0 6 0 8 0 2 0 4 0 6 0 8 c ab d ab c d 13 0.2 p 0 p 2 p 1 e f w t 2 d 0 a 0 b 0 label reel taping eiaj et-7200b compliant thick paper mount (underside paper tape) chip resistor square punchout hole heat crimp cover/tape 180 0 ? 1.5 60 +1 0 13 +1.0 0 1.5 +0.1 0 1.65 + 0.2 ? 0.1 2.4 + 0.2 ? 0.1 (unit: mm) (unit: mm) wf e a 0 b 0 d 0 p 0 p 1 p 2 t 2 8.00.3 3.50.05 1.750.1 4.00.1 4.00.1 2.00.05 max. 1.1
mcr10 resistors 4/4 z pa rt de s i gna tion special part number part no. mc 1 r nominal resistance ezh 5 , 000 paper tape (4mm pitch) 180mm (7in.) 0 e z h j l resistance tolerance 1% 5% f j 10 less than (class f) 1 less than (class j) 0.1 less than l s mcr10 packaging specifications code reel ( 180) : jeita et-7200b : standard product part no. resistance tolerance code packaging specifications reel basic ordering unit(pcs) j( 5%) f( 1%) fl,fs,js jl : : 4 digits 3 digits resistance code, 3 or 4 digits. resistance tolerance + special p/n resistance code
appendix appendix1-rev1.1 the products listed in this document are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. notes no technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of rohm co.,ltd. the contents described herein are subject to change without notice. the specifications for the product described in this document are for reference only. upon actual use, therefore, please request that specifications to be separately delivered. application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. rohm co.,ltd. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by rohm co., ltd. is granted to any such buyer. products listed in this document are no antiradiation design. about export control order in japan products described herein are the objects of controlled goods in annex 1 (item 16) of export trade control order in japan. in case of export from japan, please confirm if it applies to "objective" criteria or an "informed" (by miti clause) on the basis of "catch all controls for non-proliferation of weapons of mass destruction.
|
