RWM Vishay Sfernice Enamelled Wirewound Power Resistors Axial Leads FEATURES * High dissipation up to 30 W (25 C) * Fire proof RoHS * Excellent endurance typical drift 1.5 % after COMPLIANT 1000 h * Conformal vitreous enamel * All welded construction * Low ohmic values 0.1 available * Termination: Sn/Ag/Cu * Compliant to RoHS directive 2002/95/EC 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 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. DIMENSIONS in millimeters 25 min A 25 min. OB O 0.8 0.1 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 CECC 40201-001 RB59 RB61 RB57 RB57 RB60 RB60 RB58 RB58 - - - CECC 40201-002 JB HB - KB - LB - MB - - - at + 70 C 2.6 W 4.5 W 6W 6W 7W 7W 9.5 W 9.5 W 21 W 21 W 25.8 W at + 25 C 3W 5W 7W 7W 8W 8W 11 W 11 W 25 W 25 W 30 W 5.5 W 7W 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 - 31 k - 38 k Designations Power Rating Dimensions in mm Weight in g With Surface Temp. + 450 C - 18.8 k 17.5 k 12 1 22.1 1 24.7 1 OB 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 1 2 3 18 1 25.6 k 25.6 k 21.3 k A 2.2 24.7 1 33.7 1 33.7 1 45.8 2 45.8 2 63.8 1 63.8 1 3 4 4 8 8 14 14 Note Undergoes European Quality Insurance System (CECC) * www.vishay.com 88 For technical questions, contact: sfer@vishay.com Document Number: 50008 Revision: 16-Oct-09 RWM Enamelled Wirewound Power Resistors Axial Leads Vishay Sfernice PERFORMANCE CECC 40201 - EN 140-201 TYPICAL DRIFTS TESTS CONDITIONS REQUIREMENTS Short Time Overload 10 Pr during 10 s 25 C ambient (2 % + 0.1 ) (0.5 % + 0.05 ) Temperature Cycling - 55 C + 200 C (1 % + 0.05 ) (0.5 % + 0.05 ) 56 days 40 C ambient - R.H. 95 % (5 % + 0.1 ) (0.5 % + 0.05 ) Tensile test: 20 N 2 successive bending 2 full rotations of 180 (1 % + 0.05 ) (0.1 % + 0.05 ) 1000 h at Pr 90'/30' cycle 25 C ambient (5 % + 0.1 ) (1.5 % + 0.05 ) Humidity (Steady State) Terminal Strength Load Life OVERLOAD Heavy overloads can be endured in the form of short pulses < 0.1 s. Particular requirements 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 advised to use a high melting point solder. Group Mounting In a still atmosphere, a distance between axes equal to five times the resistor's 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 temperature at the hottest point should not exceed 450 C. These aspects should be considered by the end user. 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. ELECTRICAL SPECIFICATIONS Tolerance Standard 5% On request 1 % and 2 % Temperature Coefficient + 75 ppm/C typical Dielectric Withstanding Voltage NF EN140000 Inductance Document Number: 50008 Revision: 16-Oct-09 500 VRMS - 1 min - 10 mA Non inductive (Ayrton-Perry) winding available For technical questions, contact: sfer@vishay.com www.vishay.com 89 RWM Enamelled Wirewound Power Resistors Axial Leads Vishay Sfernice POWER RATING TYPICAL TEMPERATURE RISE 75 50 25 45 x 10 64 x 10 65 200 100 0 350 300 200 100 25 45 10 x 300 0 0 10 4x 26 22 -6 x2 2 8x 26 6x 8 34 x 34 400 x 5x RATED POWER IN % 100 8 4x HOT SPOT TEMPERATURE IN C 500 116 Optional 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 AMBIENT TEMPERATURE IN C RATED POWER IN W 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 tolerance, manufacturing date (year - month). ORDERING INFORMATION RWM 4 x 10 MODEL STYLE XXX 1U2 5% AM500 e1 NI OPTIONAL SPECIAL DESIGN OHMIC VALUE TOLERANCE PACKAGING LEAD (Pb)-FREE Non Inductive Winding Method N Optional Custom items are subject to extra charge and minimum order. Please see price list. GLOBAL PART NUMBER INFORMATION R W GLOBAL MODEL RWM M 0 4 1 0 1 R 2 0 J R 1 5 E LEAD (Pb)-FREE SIZE OPTION OHMIC VALUE TOLERANCE PACKAGING SPECIAL d x L: 0410 0422 0526 0826 0634 0845 1045 1064 1065 Blank The first three digits are significant figures and the last digit specifies the number of zeros to follow. R designates decimal point. F=1% G=2% J=5% K = 10 % Size 0410, 0422, 0526, 0826, 0622: R15 = Reel (1000 pieces) As applicable Ex: AD7 or N (Non inductive winding) 48R7 = 48.7 1R20 = 1.2 1002 = 10 000 R330 = 0.33 ... 1 Sn(99), Ag(0.3), Cu(0.7): E1 Size 0845, 1045, 1064, 1065: B25 = Box (50 pieces) Size 0634: S09 = Bag (50 pieces) Other packaging existing www.vishay.com 90 For technical questions, contact: sfer@vishay.com Document Number: 50008 Revision: 16-Oct-09 Legal Disclaimer Notice Vishay Disclaimer ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, "Vishay"), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other disclosure relating to any product. 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It is the customer's responsibility to validate that a particular product with the properties described in the product specification is suitable for use in a particular application. Parameters provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All operating parameters, including typical parameters, must be validated for each customer application by the customer's technical experts. Product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein. Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining applications or for any other application in which the failure of the Vishay product could result in personal injury or death. Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 11-Mar-11 www.vishay.com 1