SH Vishay Sfernice Heatsink Encased Wirewound Power Resistors Industrial Applications FEATURES 50 Watt at + 25 C High power characteristics RoHS COMPLIANT Utilize heatsink capability Good mechanical protection Industrialized product Built for high power dissipation applications, these components have very good overall characteristics for industrial use under harsh environmental conditions. DIMENSIONS in millimeters MODEL AND SH5 SH10 SH25 SH50 STYLE SH A 28.5 1.5 35 1.5 49 1.3 70.2 1.4 B 0.2 12.5 15.9 19.8 21.4 M A D 0.2 11.3 14 18.3 39.7 D F N E 0.5 16.3 19 28 50 F 6.8 1.5 7.9 1.5 11.1 1.5 11 1.2 8.5 2 G 1 11 14 15.5 H H 0.7 6.2 7.9 9.9A 10.7 J G B J 0.5 16.4 20.6 27.5 29.4 K 0.1 2.4 2.4 3.2 3.2 L max. 8.9 11 15 15 K M 0.5 4.3 5.6 8 8 L N 0.3 1.6 2 2.4 2.4 E P P min. 2.1 2.1 2.1 2.1 Q Q 25.3 1.5 30.6 1.5 44.6 1.3 66.5 1.4 Weight in g 3 8.8 16.5 30.8 ELECTRICAL SPECIFICATIONS VISHAY SFERNICE MODEL AND STYLE SH5 SH10 SH25 SH50 25 C 10 W 12.5 W 25 W 50 W 2 Chassis mounted resistors: 413 cm for SH5 and SH10 at 2 536 cm for SH25 and SH50 70 C 8 W 10 W 20 W 40 W 25 C 4 W 6 W 9 W 12 W Unmounted resistors at 70 C 3.2 W 4.8 W 7.2 W 9.6 W 0.1 0.1 0.1 0.1 Ohmic Value 3.3 k 15 k 33 k 51 k Tolerance 5 % Rated Maximum Voltage 160 V 250 V 550 V 1285 V Dielectric Strength VRMS 800 V 1000 V 2000 V 2000 V 4 4 Insulation Resistance > 10 M > 3.10 M Temperature Coefficient 50 ppm/C Rn > 50 Climatic Category 55/200/56 Temperature Limits - 55 C + 200 C www.vishay.com For technical questions, contact: sfer vishay.com Document Number: 50014 54 Revision: 07-Dec-06 Power RatingSH Heatsink Encased Wirewound Power Resistors Vishay Sfernice Industrial Applications PERFORMANCE TESTS CONDITIONS TYPICAL DRIFTS Momentary Overload 5 Pn/5 s 0.5 % max. + 0.05 - 55 C + 200 C Climatic Sequence 1 % max. + 0.05 5 cycles Nominal power Pn Load Life 1 % max. + 0.05 1000 h at 25 C POWER RATING CHART 100 75 50 25 0 0 50 100 150 200 250 275 300 350 AMBIENT TEMPERATURE IN C TEMPERATURE RISE 200 150 100 50 0 0 10 20 30 40 50 60 70 RATED POWER IN WATTS (Mounted on heatsink chassis) PACKAGING Bag of 10 units MARKING SFERNICE trademark, model, style, nominal resistance (in ), tolerance (in %), manufacturing date. ORDERING INFORMATION SH 25 10 k 5 % BA10 e1 MODEL STYLE OHMIC VALUE TOLERANCE PACKAGING LEAD (Pb)-FREE SAP PART NUMBERING GUIDELINES SH 25 10001 J S03 MODEL STYLE OHMIC VALUE TOLERANCE PACKAGING Document Number: 50014 For technical questions, contact: sfer vishay.com www.vishay.com Revision: 07-Dec-06 55 S H 5 0 S H 5 S H 1 0 S H 2 5 % RATED POWER H O T S P O T T E M P E R A T U R E I N C