V is h ay I n te r tec h n o l o g y, I n c . Resistors - 3 W Power Capability in 2908 Package I INNOVAT AND TEC O L OGY WSMS2908 N HN power metal strip® resistor O 19 62-2012 3 W Power Metal Strip Meter Shunt Resistor Key Benefits • The WSMS2908 meter shunt has 3 W power capability in 2908 size package • Very low resistance values: –– 100 µΩ, 250 µΩ, 300 µΩ, 430 µΩ, 500 µΩ • Electron-beam welded construction • Standard 5-terminal design for meters that offers 4-terminal Kelvin connections for sensing APPLICATIONS • Current meter shunt • Industrial/consumer: electronic power (kWh) meter –– Single-phase –– Poly-phase • Solar power • Wind turbine Resources • Datasheet: WSMS2908 - http://www.vishay.com/doc?30160 • For technical questions contact [email protected] One of the World’s Largest Manufacturers of Discrete Semiconductors and Passive Components PRODUCT SHEET 1/2 VMN-PT0249-1201 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 V is h ay I n te r tec h n o l o g y, I n c . I INNOVAT WSMS2908 Vishay Dale Vishay Dale O L OGY WSMS2908 WSMS2908 AND TEC N HN power metal strip® resistor O 19 62-2012 Very Low (down Value (down to 0.0001 Very Low Value to 0.0001 Ω) Ω) FEATURES FEATURES • High power tosize resistor • High power to resistor ratiosize ratio WSMS2908 • 5-terminal connection design • 5-terminal connection design • Use for single or multi-phase energy meters • Use for single or multi-phase energy meters Vishay Dale WSMS2908 • Proprietary processing technique produces • Proprietaryextremely processing technique produces low resistance values extremely low resistance values • All welded construction Vishay Dale WSMS2908 WSMS2908 Power Metal Strip•®AllMeter Shunt Resistor, welded construction • Very low inductance (< 5 nH) ® Meter Shunt • Very low inductance (< 5 nH) Power Metal Strip Resistor, Vishay Dale VeryMetal Low Strip Value® (down 0.0001 Vishay Dale • Lowto thermal EMF (< 3 Ω) μV/°C) Power Meter Shunt Resistor, WSMS2908 Very•Low (down toto Ω) Low Value thermal EMF (< 30.0001 μV/°C) • Compliant RoHS directive 2002/95/EC FEATURES VeryMetal Low Value (down 0.0001 Ω)Vishay Dale ® Meter •®Compliant to to RoHS directive 2002/95/EC Power Metal Strip Shunt Resistor, Power Strip Meter Resistor, • High Shunt power to resistor size ratio Very Low Value (down to 0.0001 Ω) FEATURES • 5-terminal connection design Very Low Value (down to 0.0001 Ω) • High power to resistor size ratio DIMENSIONS in inches (millimeters) 0.453 (11.5) 0.118 (3.0) STANDARD ELECTRICAL DIMENSIONS in inches (millimeters) SPECIFICATIONS 0.453 (11.5) POWER RATING STANDARD ELECTRICAL SPECIFICATIONS TOLERANCE GLOBAL SIZE MODEL GLOBAL MODEL POWER RATING SIZE P70 °C WSMS2908 W 2908 WSMS2908 2908 (1) P 70(3.0) °C 0.118 W TOLERANCE 0.315 3.0 (8.0) % 0.157 (4.0) 0.059 (1.5) 0.142 (3.6) • Use for single or multi-phase energy meters FEATURES • design 0.157 (4.0)VALUE connection RESISTANCE RESISTANCE VALUES produces WEIGHT • 5-terminal Proprietary processing 0.142technique (3.6) (1) 0.110 (2.8) • High power toCURRENTLY resistor size ratio RANGE AVAILABLE • 0.059 Use(1.5) for single or multi-phase energy meters (typical) extremely low resistance values % RESISTANCE VALUEΩ RESISTANCE VALUES WEIGHT Ω g/1000 pieces • connection design Proprietary processing technique produces (1) • 5-terminal All welded construction RANGE CURRENTLY AVAILABLE (typical) 90° ± 0.2° 5.0 50μ • 1000μ 250μ, 430μ, 500μ 2100 low100μ, resistance values Use for single or multi-phase energy meters 0.110 (2.8) Ω Ω g/1000 pieces •toextremely Very low inductance (< 5300μ, nH) 0.157 (4.0) Note 3.0 5.0 Other values 0.315 (8.0) may be available, contact factory • • • • • • All welded construction Proprietary processing technique produces Low thermal EMF (< 3430μ, μV/°C) 100μ, 250μ, 300μ, 500μ 2100 extremely low resistance values 90° ±(< 0.2° Very low inductance 5 nH) Compliant to RoHS directive 2002/95/EC All welded construction Low thermal EMF (< 3 μV/°C) Ø 0.165 (Ø 4.2) • Very low inductance (< 5 nH) 2 PLACES • Compliant to RoHS directive 2002/95/EC (20.0) •0.787 Low thermal EMF (< 3 μV/°C) 50μ to 1000μ Note 0.157 (4.0) (1) Other values may be available, contact factory TECHNICAL SPECIFICATIONS CALIBRATION NOTCH STANDARD ELECTRICAL SPECIFICATIONS PARAMETER UNIT Ø 0.165 (Ø 4.2) • Compliant to RoHS directive 2002/95/EC RESISTOR CHARACTERISTICS 2 PLACES 1.142 (29.0) ± 0.010 RESISTANCE VALUE RESISTANCE VALUES POWER RATING TECHNICAL SPECIFICATIONS 0.787 (20.0)TERMINAL TOLERANCE GLOBAL THICKNESS 0.040 (1.0) ± 500 for 100 μΩ, ± 225 for 250 μΩ, (1) STANDARD ELECTRICAL RANGE CURRENTLY AVAILABLE SIZE P70 °C SPECIFICATIONS Temperature Coefficient ppm/°C ALL VALUES CALIBRATION NOTCH Rated Power in % Rated Power in % WEIGHT (typical) ± 175 for 300 μΩ, 430 μΩ, and 500 μΩ % MODEL PARAMETER RESISTOR CHARACTERISTICS 1.142 (29.0) ± 0.010 W UNIT Ω Ω g/1000 pieces RESISTANCE VALUE RESISTANCE VALUES WEIGHT POWER RATING TOLERANCE GLOBAL Operating SIZE Temperature Range - 65 to + 170 (1) DERATING STANDARD ELECTRICAL CURRENTLY AVAILABLE (typical) P3.0 TERMINAL °C THICKNESS 0.040 (1.0) RANGE 70 °C SPECIFICATIONS for 100 μΩ, 100μ, ± 225250μ, for 250 μΩ,430μ, 500μ WSMS2908 2908 50μ±to500 1000μ 300μ, 2100 % TemperatureMODEL Coefficient ppm/°C ALL VALUES5.0 ON DECIMALS 120 W Ω for 300 μΩ, 430 μΩ, andTOLERANCES Ω μΩ g/1000 pieces ± 175 500 XXX ± 0.005 Maximum Current Rating A (P/R)1/2 RESISTANCE VALUE RESISTANCE VALUES WEIGHT POWER RATING TOLERANCE GLOBAL Note 100 CURRENTLY AVAILABLE (1) (typical) SIZE P3.0 70 °C WSMS2908Range 2908 50μRANGE to 1000μ - 65 to100μ, 2100 % (1) MODEL OperatingDERATING Temperature °C factory 5.0 + 170250μ, 300μ, 430μ, 500μ Other values may be available,Wcontact Ω Ω g/1000 pieces TOLERANCES ON DECIMALS 120 80 RESISTOR XXX ± 0.005 RESISTANCE Note Rating 1/2 Maximum Current A (P/R) ELEMENT ELEMENT 2100 ELEMENT 100 2908 3.0 50μ to 1000μ 100μ, 250μ, 300μ, 430μ, 500μ VALUE (1) WSMS2908 Other values may be 60 available, contactINFORMATION factory 5.0 THICKNESS LENGTH MATERIAL GLOBAL PART NUMBER (μΩ) (inches) 80 Note GLOBAL PART NUMBERING: WSMS2908L2500JK (WSMS2908, 0.00025 Ω, ±RESISTOR 5 %) 40 TECHNICAL SPECIFICATIONS RESISTANCE 100 ELEMENT ELEMENT0.040ELEMENT 0.080 (1) Other values may be available, contact factory VALUE 60 THICKNESS LENGTH0.059MATERIAL 0.276 250 PARAMETER UNIT RESISTOR 20 (μΩ) W S M S 2 9 0 8 L 2 5 0 CHARACTERISTICS 0 J K GLOBAL TECHNICAL PART NUMBER INFORMATION SPECIFICATIONS 40 0 100 - 65 - 50 - 25 0 25 50 75 100 125 150 Temperature Coefficient ppm/°C GLOBAL PART NUMBERING: WSMS2908L2500JK (WSMS2908, 0.00025 Ω, ± 175 5 %) PARAMETER UNIT GLOBAL MODEL RESISTANCE VALUE 20 70 TECHNICAL SPECIFICATIONS 250 Ambient Temperature in °C TOLERANCE CODE (inches) 300 0.051 0.040 ± 500 for 100 μΩ, 0.080 ± 225 for 250Mn-Cu μΩ, 430 CHARACTERISTICS 0.038 RESISTOR ± 1750.059 for 300 μΩ, 430 μΩ, and 500 μΩ 0.276 Mn-Cu PACKAGING CODE 500 0.033 0.051 0.276 = Bulk ± 500 forK100 μΩ,pack ± 225 for 250Mn-Cu μΩ, Mn-Cu Mn-Cu 0.276 Mn-Cu 0.315 Mn-Cu 0.315 Mn-Cu SPECIAL WSMS2908 % 5 (Dash number) M S 2 9 L = mΩ 0 ppm/°C L J = ±25.0 300 0 0 - 65 Jto + 170K Operating Temperature Range °C 8 0S Temperature Coefficient PARAMETER UNIT RESISTOR CHARACTERISTICS L1000 Ω175 = Tape and reel - 65 - 50 - 25 0 25 50 75 100 = 0.00010 125 150 430 0.038 0.315 Mn-Cu ± 175 forE300 μΩ, 430 μΩ, and 500 μΩ (Up to 2 digits) Ambient Temperature in °C L2500 = 0.00025 Ω From 1 to 99 as 1/2 70 500 0.033 Mn-Cu PERFORMANCE Maximum Current Rating A (P/R)0.315 L3000 = 0.00030 applicable ± 500 for 100 μΩ, Operating Temperature Range °CΩ - 65 to ±+ 225 170 for 250 μΩ, Temperature Coefficient ppm/°C GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING CODE SPECIAL L4300 = 0.00043 Ω TEST CONDITIONS OF TEST ± 175 for 300 μΩ, 430 μΩ, and 500 μΩ TEST LIMITS L5000 = 0.00050J Ω WSMS2908 L = mΩ 5.0°C%to + 150 °C, 1000 cycles, K= (Dash number) Thermal Shock 15Bulk min atpack each extreme ± 0.5 % ΔR Maximum Current Rating A = ±- 55 (P/R)1/2 PERFORMANCE Operating Temperature °C - 65 to + 170 L1000 = Range 0.00010 Ω E = Tape and reel (Up to 2 digits) Short Time Overload 5 x rated power for 5 s ± 0.5 % ΔR TEST CONDITIONS OF TEST TEST LIMITS L2500 = 0.00025 Ω From 1 to 99 as GLOBAL PART NUMBER INFORMATION Maximum Current Rating (P/R)1/2 Low Operation A - 65 °C for 45 min ± 0.5 % ΔR L3000 = Temperature 0.00030 Thermal Shock - 55Ω°C to + 150 °C, 1000 cycles, 15 min at each extreme ± 0.5 % ΔR applicable = 0.00043 Ω Exposure GLOBAL PARTL4300 NUMBERING: WSMS2908L2500JK (WSMS2908, High Temperature 1000 h at + 170 °C0.00025 Ω, ± 5 %) ± 1.0 % ΔR Short Time Overload 5 x rated power for 5 s ± 0.5 % ΔR L5000 = 0.00050 GLOBAL PART NUMBER INFORMATION ** Please see document “VishayΩMaterial Category+Policy”: www.vishay.com/doc?99902 Bias Humidity 85 °C, 85 % RH, 10 % bias, 1000 h ± 0.5 % ΔR W Low Temperature Operation -S65 °C for W S M 2 45 min9 0 8 L 2 5 0 0 ± 0.5J% ΔR K GLOBAL PART NUMBERING: WSMS2908L2500JK Ω, ± 5 %) www.vishay.com For technical questions, Document±Number: Mechanical Shock 100(WSMS2908, g’s for 6 ms,contact: 50.00025 [email protected] 0.5 % ΔR30160 High Temperature Exposure 1000 h at + 170 °C ± 1.0 % ΔR 42 Revision: 02-Jul-10 GLOBAL PARTVibration NUMBER INFORMATION Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h ± 0.5 % ΔR Bias Humidity +S85 °C, 85 % RH,9 10 % bias, 10008h ± 0.5J% ΔR K W MODEL S M RESISTANCE 2 VALUE 0TOLERANCE L 2 5 PACKAGING 0 0CODE GLOBALPART SPECIAL GLOBAL NUMBERING: WSMS2908L2500JK (WSMS2908, 0.00025 Ω,0.5 ± 5h %) Load Life 1000 h at + 70 °C, CODE 1.5 h “ON”, “OFF” ± 1.0 % ΔR Mechanical Shock 100 g’s for 6 ms, 5 pulses ± 0.5 % ΔR WSMS2908 L = mΩ J = ± 5.0 % K = Bulk pack (Dash Moisture Resistance MIL-STD-202, method 106, 0 % power, 7b not required ± 0.5number) % ΔR ** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902 Vibration W Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h ± 0.5 % ΔR S M L1000 S = 0.00010 2 0 8 L 2 5 E = Tape 0 0 reel J K Ω9 and (Up to 2 digits) Revision 12-Jul-10 Resistors - 3 W Power Capability in 2908 Package ® ® Meter Metal Strip Meter ShuntShunt Resistor, Power MetalStrip Strip Resistor, 3Power W Power Metal Meter Shunt Resistor GLOBAL MODEL www.vishay.com Load Life WSMS2908 42 Moisture Resistance GLOBAL MODEL PRODUCT RESISTANCE VALUE TOLERANCE CODE PACKAGING CODE SPECIAL L2500 =h0.00025 Ω 1.5 h “ON”, From 130160 to 99 as For technical contact: Document Number: 1000 at + questions, 70 °C, 0.5 [email protected] “OFF” ± 1.0 % ΔR L = mΩ J = ± 5.0 % K = Bulk pack (Dash number) L3000 = 0.00030 Ω applicable 02-Jul-10 MIL-STD-202, method 106, 0 % power, 7b not required ± 0.5 % ΔR Revision: L1000 = 0.00010 Ω E = Tape and reel (Up to 2 digits) L4300 = 0.00043 Ω RESISTANCE VALUE TOLERANCE CODE PACKAGING CODE SPECIAL L2500 = = 0.00050 0.00025 Ω Ω From 1 to 99 as L5000 WSMS2908 L = mΩ J = ± 5.0 % K = Bulk pack (Dash number) L3000 = 0.00030 Ω applicable L1000 E = Tape and reel (Up to 2 digits) L4300 = = 0.00010 0.00043 Ω Ω L2500 = 0.00025 Ω From 1 to 99 as L5000 = 0.00050 Ω = 30160 0.00030 Ω applicable Document L3000 Number: For technical questions, contact: [email protected] www.vishay.com SHEET 2/2 VMN-PT0249-1201 L4300 = 0.00043 Ω Revision: 02-Jul-10 43 L5000 = 0.00050 Ω ** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902 Document Number: 30160 For technical questions, contact: [email protected] www.vishay.com www.vishay.com For technical questions, contact: [email protected] Document 30160 TO This document is subject to change without notice. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT Revision: 02-Jul-10 43 Number: 42Please seeSET Revision: 02-Jul-10 ** document “Vishay Material Category Policy”: www.vishay.com/doc?99902 SPECIFIC DISCLAIMERS, FORTH AT www.vishay.com/doc?91000 www.vishay.com For technical questions, contact: [email protected] Document Number: 30160