WRC2AJT51R0

WRC Series Stackpole Electronics, Inc. Conformal Coated Welded Wirewound Resistor Resistive Product Solutions Features: • • • • • • • Conformal coating Flameproof construction Cut and formed product is available on select sizes - contact Stackpole for details 100% RoHS compliant and lead free without exemption Halogen free REACH compliant Bulk packaging available – contact Stackpole for package quantities Electrical Specifications Type / Code Size Power Rating (W) @ 85°C WRC1S WRC1 WRC2A WRC3A WRC4A WRC5A WRC3B WRC4B WRC5B 0309 0410 0416 0416 0416 0416 0617 0617 0617 1 1 2 3 4 5 3 4 5.5 Maximum Working (V) Dielectric Withstanding (RMS) (V) TCR (ppm/ºC) √P*R 700 -80 ppm/ºC ~ +900 ppm/ºC Ohmic Range (Ω) and Tolerance 5% 0.1 - 100 0.1 - 470 0.1 - 680 0.01 - 680 Mechanical Specifications A B C D Body Length Body Width Lead Length (Bulk) (1) Lead Diameter 0.354 max 0.138 max 1.102 ± 0.079 0.024 ± 0.002 WRC1S 9.00 max 3.50 max 28.00 ± 2.00 0.60 ± 0.05 0.394 max 0.161 max 1.102 ± 0.079 0.028 ± 0.002 WRC1 10.00 max 4.10 max 28.00 ± 2.00 0.72 ± 0.05 0.492 max 0.217 max 1.102 ± 0.118 0.028 ± 0.002 WRC2A, WRC3A WRC4A, WRC5A 12.50 max 5.50 max 28.00 ± 3.00 0.72 ± 0.05 0.630 max 0.236 max 1.102 ± 0.118 0.028 ± 0.002 WRC3B, WRC4B WRC5B 16.00 max 6.00 max 28.00 ± 3.00 0.72 ± 0.05 (1) See "Resistor Packaging Specification Document" for lead length dimension for tape and reel packaged product. Type / Code Unit inches mm inches mm inches mm inches mm Performance Characteristics Test Moisture Resistance Thermal Shock Load Life @ 70ºC - 1000 hours Shock and Vibration Resistance to Soldering Heat Short Time Overload Operating temperature range for 1S and 1 is -55°C to + 200°C Operating temperature range for 2A, 3A, 4A and 5A is -55°C to +225°C Operating temperature range for 3B, 4B and 5B is -55°C to +250°C Rev Date: 11/23/2020 This specification may be changed at any time without prior notice Please confirm technical specifications before you order and/or use. 1 Test Results ± 5% + 0.05 Ω ± 2% + 0.05 Ω ± 5% + 0.05 Ω ± 1% + 0.05 Ω ± 2% + 0.05 Ω ± 3% + 0.05 Ω www.seielect.com marketing@seielect.com WRC Series Stackpole Electronics, Inc. Conformal Coated Welded Wirewound 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: 11/23/2020 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 WRC Series Stackpole Electronics, Inc. Conformal Coated Welded Wirewound Resistor Resistive Product Solutions Recommended Lead Free Resistor Reflow Profile Packaging Specifications Type / Code A max (1) B max C D (2) Tape Unit WRC1S 2.756 70.00 11.933 303.10 0.197 ± 0.020 5.00 ± 0.50 2.047 ± 0.079 52.00 ± 2.00 0.236 ± 0.039 6.00 ± 1.00 inches mm WRC1 2.756 70.00 11.933 303.10 0.197 ± 0.020 5.00 ± 0.50 2.047 ± 0.079 52.00 ± 2.00 0.236 ± 0.039 6.00 ± 1.00 inches mm WRC2, WRC2A, WRC3A WRC4A, WRC5A 2.756 70.00 11.933 303.10 0.197 ± 0.020 5.00 ± 0.50 2.047 ± 0.079 52.00 ± 2.00 0.236 ± 0.039 6.00 ± 1.00 inches mm WRC3B, WRC4B WRC5B 2.756 70.00 11.933 303.10 0.197 ± 0.020 5.00 ± 0.50 2.047 ± 0.079 52.00 ± 2.00 0.236 ± 0.039 6.00 ± 1.00 inches mm (1) Reference value only. The "A" dimension shall be governed by the overall length of the taped component. The distance between flanges shall be 0.059 inches (1.50 mm) to 0.315 inches (8.00 mm) greater than the overall component. (2) The given dimension "D" expresses the standard width spacing. A 26 mm narrow spacing is available a option "N" packaging code 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. Rev Date: 11/23/2020 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 WRC Series Stackpole Electronics, Inc. Conformal Coated Welded Wirewound Resistor Resistive Product Solutions RoHS Compliance Status Standard Product Series WRC 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) Conformal Coated Welded Wirewound Resistor Axial YES 100% Matte Sn Always Always “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 Easter 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. 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 1 2 3 4 5 6 7 8 9 10 11 W R C 2 A J A 3 0 0 R Product Series Conformal Coated WRC Welded Wirewound Size Code W 1S 1 1 1 2A 2 3A 3 4A 4 5A 5 3B 3 4B 4 5B 5.5 Tolerance Code Tol J 5% Code Description T Tape & Reel A Ammo Rev Date: 11/23/2020 This specification may be changed at any time without prior notice Please confirm technical specifications before you order and/or use. 4 Packaging Size Quantity 1S 5000 1, 2A, 3A, 4A, 5A 2000 3B, 4B, 5B 1000 1S, 1 2000 2A, 3A, 4A, 5A, 3B, 4B, 5B 1000 Resistance Value Four characters with the multiplier used as the decimal holder. "L" used as multiplier -3 of 10 for any value under 0.1 ohm. 0.01 ohm = 10L0 0.1 ohm = R100 1 ohm = 1R00 10 ohm = 10R0 www.seielect.com marketing@seielect.com