rwm www.vishay.com vishay sfernice revison: 31-oct-13 1 document number: 50008 for technical questions, contact: sferfixedresisto rs@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 enamelled wirewound power resistors axial leads as a result of more than 50 years of experience and continuous improvements the rwm series of resistors features proven reliability in ac or dc applications. the high quality of the rwm resides mainly in the use of a proprietary vishay sfernice enamel fired at high temperature and free from any compound liable to corrode the resistive wire. features ? high dissipation up to 30 w (25 c) ? fire proof ? excellent endurance typical drift 1.5 % after 1000 h ? conformal vitreous enamel ? all welded construction ? low ohmic values 0.1 ? available ? termination: sn/ag/cu ? material categorization: for definitions of compliance please see www.vishay.com/doc?99912 the performance of this series of professional resistors fully ? meets the requirements of the following specifications: ? - nf c 83-210-001 ? - cecc 40201-001 ? - bs - cecc 40201-002 note ? undergoes european quality insurance system (cecc) dimensions in millimeters rwm 4 x 10 rwm 4 x 22 rwm 5 x 26 rwm 6 x 22 rwm 8 x 26 rwm 6 x 34 rwm 8 x 34 rwm 8 x 45 rwm 10 x 45 rwm 10 x 64 rwm 10 x 65 a 12 1 22.1 1 24.7 1 18 1 24.7 1 33.7 1 33.7 1 45.8 2 45.8 2 63.8 1 63.8 1 ? b 5.5 1 5.5 1 7.4 1.5 6.5 1 7.4 1.5 7.4 1.5 7.4 1.5 9.4 1.5 9.4 1.5 9.4 1.5 9.4 1.5 weight in g1232.2344881414 standard electrical specifications model size resistance range ? rated power p 25 c w limiting element voltage v tolerance % rwm 4 x 10 0410 0.1 to 10k 3 120 1, 2, 5 rwm 4 x 22 0422 0.1 to 16k 5 300 1, 2, 5 rwm 5 x 26 0526 0.1 to 27k 7 350 1, 2, 5 rwm 6 x 22 0622 0.1 to 39k 7 350 1, 2, 5 rwm 8 x 26 0826 0.1 to 27k 8 500 1, 2, 5 rwm 6 x 34 0634 0.33 to 36k 8 500 1, 2, 5 rwm 8 x 34 0834 0.33 to 36k 11 650 1, 2, 5 rwm 8 x 45 0845 0.47 to 62k 11 650 1, 2, 5 rwm 10 x 45 1045 0.47 to 62k 25 800 1, 2, 5 rwm 10 x 64 1064 0.68 to 100k 25 800 1, 2, 5 rwm 10 x 65 1065 0.68 to 100k 30 800 1, 2, 5 25 min a 25 min. ? 0.8 0.1 ? b
rwm www.vishay.com vishay sfernice revison: 31-oct-13 2 document number: 50008 for technical questions, contact: sferfixedresisto rs@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 note ? undergoes european quality insurance system (cecc) overload heavy overloads can be endured in the form of short pulses < 0.1 s. particular requirem ents should be submitted to vishay sfernice, specifying peak voltage, cycle and environmental conditions. recommendations for use since these components are high dissipation power resistors, customers are advise d to use a high melting point solder. for low ohmic values, the measurement becomes critical and the connecting wires resistance is to be included. the value is measured at 5 mm from the resistor body. group mounting ? in a still atmosphere, a distance between axes equal to five times the resistors diameter is recommended. cabinet mounting ? unventilated box: dissipation should be reduced (see dimensional drawing). ? forced ventilation: if conditions are appropriate, dissipation may be doubled or even trebled. ? in any case: the surface tempe rature at the hottest point should not exceed 450 c. these aspects should be considered by the end user. technical specifications vishay sfernice series and style rwm 4 x 10 rwm 4 x 22 rwm 5 x 26 rwm 6 x 22 rwm 8 x 26 rwm 6 x 34 rwm 8 x 34 rwm 8 x 45 rwm 10 x 45 rwm 10 x 64 rwm 10 x 65 designations cecc 40201-001 rb59 rb61 rb57 rb57 rb60 rb60 rb58 rb58 - - - cecc ? 40201-002 jb hb - kb - lb - mb - - - power rating at + 70 c 2.6 w 4.5 w 6 w 6 w 7 w 7 w 9.5 w 9.5 w 21 w 21 w 25.8 w at + 25 c 3 w 5 w 7 w 7 w 8 w 8 w 11 w 11 w 25 w 25 w 30 w with surface temp. ? ? + 450 c 5.5 w 7 w 10 w 10 w 10 w 12 w 14 w 20 w 25 w 25 w 30 w ohmic range in relation to tolerance 5 % e24 series 0.1 ? 10 k ? 0.1 ? 16 k ? 0.1 ? 27 k ? 0.1 ? 39 k ? 0.1 ? 27 k ? 0.33 ? 36 k ? 0.33 ? 36 k ? 0.47 ? 62 k ? 0.47 ? 62 k ? 0.68 ? 100 k ? 0.68 ? 100 k ? qualified ohmic range ? nf c 83-210 0.1 ? 10 k ? 0.1 ? 6.8 k ? 0.15 ? 10 k ? 0.15 ? 39 k ? - 0.33 ? 15 k ? - 0.47 ? 33 k ? --- limiting element voltage 120 v 300 v 350 v 350 v 500 v 500 v 650 v 650 v 800 v 800 v 800 v critical resistance 4.8 k ? - 18.8 k ? 17.5 k ? - 31 k ? -38 k ? 25.6 k ? 25.6 k ? 21.3 k ? performance cecc 40201 - en 140-201 typical drifts tests conditions requirements short time overload 10 p r during 10 s 25 c ambient (2 % + 0.1 ? ) (0.5 % + 0.05 ? ) temperature cycling ? (5 cycles) - 55 c + 200 c (1 % + 0.05 ? ) (0.5 % + 0.05 ? ) humidity (steady state) 56 days 40 c ambient - r.h. 95 % (5 % + 0.1 ? ) (0.5 % + 0.05 ? ) terminal strength tensile test: 20 n 2 successive bending 2 full rotations of 180 (1 % + 0.05 ? ) (0.1 % + 0.05 ? ) load life 1000 h at p r 90/30 cycle 25 c ambient (5 % + 0.1 ? ) (1.5 % + 0.05 ? ) electrical specifications tolerance standard 5 % (ni 10 %) on request 1 % and 2 % (ni 5 %) temperature coefficient + 75 ppm/c typical dielectric withstanding voltage nf en140000 500 v rms - 1 min - 10 ma inductance non inductive (ayrton-perry) winding available
rwm www.vishay.com vishay sfernice revison: 31-oct-13 3 document number: 50008 for technical questions, contact: sferfixedresisto rs@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 power rating typical temperature rise marking vishay sfernice trademark, model and style, cecc style, if applicable (except for the smallest model due to lack of space: (4 x 10 or rb 59), ohmic value, resistance to lerance, manufacturing date (year - month). ambient temperatur e in c 0 25 100 200 300 350 0 25 50 75 100 116 rated power in % 400 500 300 200 100 0 rated power in w 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 4 x 22 5 x 26 - 6 x 22 6 x 34 8 x 34 8 x 45 4 6 x 0 1 8 x 26 5 4 x 0 1 5 6 x 0 1 4 x 10 optional hot spot temperature in c ordering information rwm 4 x 10 xxx 1u2 5 % am500 e1 model style ni optional non inductive winding special design method n optional ohmic value custom items are subject to extra charge and minimum order. please see price list. tolerance packaging lead (pb)-free global part number information global model size option ohmic value tolerance packaging special lead (pb)-free rwm d x l: 0410 0422 0526 0826 0634 0845 1045 1064 1065 blank or n (non inductive winding) the first thre e digits are significant figures and the last digit specifies the number of zeros to follow. r designates decimal point. 48r7 = 48.7 ? 1r20 = 1.2 ? 1002 = 10 000 ? r330 = 0.33 ? ... f = 1 % g = 2 % j = 5 % k = 10 % size 0410, 0422, 0526, 0826, 0622: r15 = reel (1000 pieces) size 0845, 1045, 1064, 1065: b25 = box (50 pieces) size 0634: s09 = bag (50 pieces) other packaging existing as applicable ex: ad7 sn(99), ag(0.3), cu(0.7): e1 410 1r2 j 1 m r 0 w 0r5 1 e
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