WVM5FB28R2

LVM / NVM / WVM Series Stackpole Electronics, Inc. Ceramic Housed Vertical Mount Resistor Resistive Product Solutions Features: • • • • • • • • Flameproof inorganic construction High temperature potting compound LVM – Low resistance wire or ribbon element NVM – Non-inductively Ayrton Perry winding WVM – Precision wirewound element 100% RoHS compliant and lead free without exemption Halogen free REACH compliant Electrical Specifications Power Rating Voltage Rating Type / Code TCR (ppm/°C) (W) (V) @ 70ºC LVM5 5 ± 50 ppm to ± 400 ppm √ P*R LVM7 7 depending on value LVM10 10 NVM5 5 350 < 1 Ω = ± 90 ppm NVM7 7 500 1 Ω to 10 Ω = ± 50 ppm NVM10 10 700 > 10 Ω = ± 20 ppm WVM5 5 350 < 1 Ω = ± 90 ppm WVM7 7 500 1 Ω to 10 Ω = ± 50 ppm WVM10 10 700 > 10 Ω = ± 20 ppm Maximum Working Voltage is limited by √ P*R unless specified otherwise. Resistance Temperature Coefficient Standard Ohmic Range (Ω) and Tolerance 0.5% - 1% 5% 0.01 - 0.1 0.02 - 0.15 0.02 - 0.15 0.1 - 2.4 K 0.1 - 3.9 K 0.1 - 3.9 K - 10% - 0.1 - 5 K 0.1 - 8 K 0.1 - 8 K Mechanical Specifications LVM: WVM: Type/Code LVM5, NVM5, WVM5 LVM7, NVM7, WVM7 LVM10, NVM10, WVM10 A 0.382 9.70 0.382 9.70 0.480 12.19 ± ± ± ± ± ± B 0.039 0.99 0.039 0.99 0.039 0.99 0.988 25.10 1.520 38.61 1.374 34.90 ± ± ± ± ± ± C 0.059 1.50 0.059 1.50 0.059 1.50 0.520 13.21 0.520 13.21 0.634 16.10 ± ± ± ± ± ± D 0.039 0.99 0.039 0.99 0.039 0.99 0.201 5.11 0.201 5.11 0.299 7.59 ± ± ± ± ± ± Lead Diameter 0.059 1.50 0.059 1.50 0.059 1.50 0.031 0.79 0.036 0.91 0.036 0.91 ± ± ± ± ± ± 0.002 0.05 0.002 0.05 0.002 0.05 Lead Length 0.138 3.51 0.138 3.51 0.138 3.51 ± ± ± ± ± ± Unit 0.020 inches 0.51 mm 0.020 inches 0.51 mm 0.020 inches 0.51 mm Performance Characteristics Test Moisture Resistance Thermal Shock Load Life @ 70C - 1000 hours Resistance to Soldering Heat Short Time Overload - 5 X Pn for 5 seconds Dielectric Withstanding Voltage Operating temperature range is -55ºC to +275ºC Rev Date: 11/30/2020 This specification may be changed at any time without prior notice Please confirm technical specifications before you order and/or use. Test Result ± 5% ± 2% ± 5% ± 2% ± 2% ± 2% 1 www.seielect.com marketing@seielect.com LVM / NVM / WVM Series Stackpole Electronics, Inc. Ceramic Housed Vertical Mount Resistor Resistive Product Solutions Power Derating Curve: Recommended Solder Profile This information is intended as a reference for solder profiles for Stackpole resistive components. These profiles should be compatible with most soldering processes. These are only recommendations. Actual numbers will depend on board density, geometry, packages used, etc., especially those cells labeled with “*”. 100% Matte Tin / RoHS Compliant Terminations Soldering iron recommended temperatures: 330°C to 350°C with minimum duration. Maximum number of reflow cycles: 3. Wave Soldering Description Maximum Recommended Preheat Time 80 seconds 70 seconds Temperature Diff. 140°C 120°C Solder Temp. 260°C 250°C Dwell Time at Max. 10 seconds 5 seconds Ramp DN (°C/sec) N/A N/A Temperature Diff. = Defference between final preheat stage and soldering stage. Minimum 60 seconds 100°C 240°C * N/A Convection IR Reflow Description Maximum Recommended Minimum Ramp Up (°C/sec) Dwell Time > 217°C Solder Temp. Dwell Time at Max. Ramp DN (°C/sec) 3°C/sec 150 seconds 260°C 30 seconds 6°C/sec 2°C/sec 90 seconds 245°C 15 seconds 3°C/sec * 60 seconds * 10 seconds * Rev Date: 11/30/2020 This specification may be changed at any time without prior notice Please confirm technical specifications before you order and/or use. 2 www.seielect.com marketing@seielect.com LVM / NVM / WVM Series Stackpole Electronics, Inc. Ceramic Housed Vertical Mount Resistor Resistive Product Solutions Recommended Lead Free Resistor Reflow Profile RoHS Compliance Stackpole Electronics has joined the worldwide effort to reduce the amount of lead in electronic components and to meet the various regulatory requirements now prevalent, such as the European Union’s directive regarding “Restrictions on Hazardous Substances” (RoHS 3). As part of this ongoing program, we periodically update this document with the status regarding the availability of our compliant components. All our standard part numbers are compliant to EU Directive 2011/65/EU of the European Parliament as amended by Directive (EU) 2015/863/EU as regards the list of restricted substances. RoHS Compliance Status Standard Product Series LVM NVM WVM Description Package / Termination Type Standard Series RoHS Compliant Lead-Free Termination Composition Lead-Free Mfg. Effective Date (Std Product Series) Lead-Free Effective Date Code (YY/WW) Radial YES 100% Matte SN Jan-06 06/01 Radial YES 100% Matte Sn Always Always Radial YES 100% Matte Sn Jan-06 06/01 Ceramic Housed Vertical Mount Low Resistance Resistor (Ribbon Element) Ceramic Housed Vertical Mount Wirewound Resistor (Standard WW) Ceramic Housed Vertical Mount Wirewound Resistor (Precision Wirewound) “Conflict Metals” Commitment We at Stackpole Electronics, Inc. are joined with our industry in opposing the use of metals mined in the “conflict region” of the eastern Democratic Republic of the Congo (DRC) in our products. Recognizing that the supply chain for metals used in the electronics industry is very complex, we work closely with our own suppliers to verify to the extent possible that the materials and products we supply do not contain metals sourced from this conflict region. As such, we are in compliance with the requirements of Dodd-Frank Act regarding Conflict Minerals. Rev Date: 11/30/2020 This specification may be changed at any time without prior notice Please confirm technical specifications before you order and/or use. 3 www.seielect.com marketing@seielect.com LVM / NVM / WVM Series Stackpole Electronics, Inc. Ceramic Housed Vertical Mount Resistor Resistive Product Solutions Compliance to “REACH” We certify that all passive components supplied by Stackpole Electronics, Inc. are SVHC (Substances of Very High Concern) free and compliant with the requirements of EU Directive 1907/2006/EC, “The Registration, Evaluation, Authorization and Restriction of Chemicals”, otherwise referred to as REACH. Contact us for complete list of REACH Substance Candidate List. Environmental Policy It is the policy of Stackpole Electronics, Inc. (SEI) to protect the environment in all localities in which we operate. We continually strive to improve our effect on the environment. We observe all applicable laws and regulations regarding the protection of our environment and all requests related to the environment to which we have agreed. We are committed to the prevention of all forms of pollution. How to Order L Product Series Code Description LVM Ribbon Element Non-inductive NVM WVM Precision WW V Power Rating Size W 5 5 7 7 10 10 M 5 Tolerance Code Tol D 0.5% 1% F J 5% K 10% Rev Date: 11/30/2020 This specification may be changed at any time without prior notice Please confirm technical specifications before you order and/or use. J B Code Description B Bulk 4 R 1 0 Packaging Size Quantity LVM5, NVM5, WVM5 1000 LVM7, NVM7, WVM7 800 LVM10, NVM10, WVM10 500 0 Resistance Value Four characters with the multiplier used as the decimal holder. "L" used as multiplier of 10-3 0.01 ohm = 10L0 0.1 ohm = R100 100 ohm = 100R 5 Kohm = 5K00 www.seielect.com marketing@seielect.com