RSPF SEI | Alldatasheet

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Technical content

Rev Date: 10/22/2020 1 www.seielect.com This specification may be changed at any time without prior notice . marketing@seielect.com Please confirm technical specifications before you order and/or use. RSPF / RSPL Series Flameproof Power Resistor Stackpole Electronics, Inc. Resistive Product Solutions Features:

  • Robust metal oxide film element
  • Flameproof design
  • Compact size
  • Useful in circuits where duty cycles require power resistors
  • Tin-plated copper leads
  • 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 Electrical Specifications - RSPF Mechanical Specifications Electrical Specifications - RSPL Maximum Maximum Type / Code Working Overload Voltage (V)(1) Voltage (V) RSPF14 0.25 250 500 RSPF12 0.5 400 800 RSPF1 1 500 1000 RSPF2 2 500 1000 RSPF3 3 500 1000 - 200 ~ + 350 10 - 100K 2.2 - 1M Power Rating (W) @ 70ºC TCR (ppm/ºC) Ohmic Range (Ω) and Tolerance 1%, 2% 5% +0.20 / -0 RSPF2 / RSPL2 RSPF3 / RSPL3 Type / Code Unit RSPF12 / RSPL12 RSPF1 / RSPL1 RSPF14 / RSPL14 A B C D Body Length Body Diameter Lead Length (Bulk) Lead Diameter +0.008 / - Maximum Maximum Type / Code Working Overload Voltage (V)(1) Voltage (V) RSPL14 0.25 RSPL12 0.5 RSPL1 1 RSPL2 2 RSPL3 3 (1) Lesser of or maximum working voltage x 2.5 - 200 ~ + 350 - 0.1 - 2 Power Rating (W) @ 70ºC TCR (ppm/ºC) Ohmic Range (Ω) and Tolerance 1%, 2% 5% √ P*R √ P*R √ P*R

Rev Date: 10/22/2020 2 www.seielect.com This specification may be changed at any time without prior notice . marketing@seielect.com Please confirm technical specifications before you order and/or use. RSPF / RSPL Series Flameproof Power Resistor Stackpole Electronics, Inc. Resistive Product Solutions Power Derating Curve: Repetitive Pulse Information: If repetitive pulses are applied to resistors, pulse wave form must be less than “pulse limiting voltage”, “pulse limiting current” or “pulse limiting wattage” calculated by the formula below. Where: Vp: Pulse limiting voltage (V) lp: Pulse limiting current (A) Pp: Pulse limiting wattage (W) P: Power rating (W) R: Nominal resistance (ohm) T: Repetitive period (sec) t: Pulse duration (sec) K: Coefficient: 0.9 [Vr: Rated Voltage (V), Ir: Rated Current (A)] Note 1: If T > 10 → T = 10 (sec), T / t > 1000 → T / t = 1000 Note 2: If T > 10 and T / t > 1000, “Pulse Limiting power (Single pulse) is applied Note 3: If Vp < Vr (lp < lr or Pp < P), Vr (lr, P) is Vp (lp, Pp) Note 4: Pulse limiting voltage (current, wattage) is applied at less than rated ambient temperature. If ambient temperature is more than the rated temperature (70°C), decrease power rating according to “Power Derating Curve” Note 5: Assure sufficient margin for use period and conditions for “pulse limiting voltage” Note 6: If the pulse waveform is not square wave, judge after transform the waveform into square wave according to the “Waveform Transformation to Square Wave”. Performance Characteristics Test Test Results Short Time Overload ± (0.75% + 0.05Ω) Moisture Resistance ± (5% + 0.05Ω) Load Life @ 70ºC - 1000 hours ± (5% + 0.05Ω) Dielectric Withstanding Voltage ± (5% + 0.05Ω) Resistance to Solvent Permanent marking no physical damage or deterioration Operating temperature range is -55ºC to +155ºC Vp = K√P x R x T/t lp = K√P/R x T/t Pp = K2 x P x T/t

Rev Date: 10/22/2020 3 www.seielect.com This specification may be changed at any time without prior notice . marketing@seielect.com Please confirm technical specifications before you order and/or use. RSPF / RSPL Series Flameproof Power Resistor Stackpole Electronics, Inc. Resistive Product Solutions Waveform Transformation to Square Wave 1. Discharge curve wave with time constant “t” → Square wave 2. Damping oscillation wave with time constant of envelope “t” → Square wave 3. Half-wave rectification wave → Square wave 4. Triangular wave → Square wave 5. Special wave → Square wave

Rev Date: 10/22/2020 4 www.seielect.com This specification may be changed at any time without prior notice . marketing@seielect.com Please confirm technical specifications before you order and/or use. RSPF / RSPL Series Flameproof Power Resistor Stackpole Electronics, Inc. Resistive Product Solutions 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. Recommended Lead Free Resistor Reflow Profile Wave Soldering Description Maximum Recommended Minimum Preheat Time 80 seconds 70 seconds 60 seconds Temperature Diff. 140°C 120°C 100°C Solder Temp. 260°C 250°C 240°C Dwell Time at Max. 10 seconds 5 seconds * Ramp DN (°C/sec) N/A N/A N/A Temperature Diff. = Defference between final preheat stage and soldering stage. Convection IR Reflow Description Maximum Recommended Minimum Ramp Up (°C/sec) 3°C/sec 2°C/sec * Dwell Time > 217°C 150 seconds 90 seconds 60 seconds Solder Temp. 260°C 245°C * Dwell Time at Max. 30 seconds 15 seconds 10 seconds Ramp DN (°C/sec) 6°C/sec 3°C/sec *

Rev Date: 10/22/2020 5 www.seielect.com This specification may be changed at any time without prior notice . marketing@seielect.com Please confirm technical specifications before you order and/or use. RSPF / RSPL Series Flameproof Power Resistor Stackpole Electronics, Inc. Resistive Product Solutions RoHS Compliance Stackpole Electronics has joined the worldwide effort to reduce the amount of lead in electronic components and to meet the v arious regulatory requirements now prevalent, such as the European Union’s directive regarding “Restrictions on Hazardous Substance s” (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. “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 poss ible 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. RoHS Compliance Status RSPF Flameproof Power Leaded Resistor Axial YES 99.3/0.7 Sn/Cu Apr-05 05/14 RSPL Flameproof Power Leaded Resistor Low Resistance Axial YES 99.3/0.7 Sn/Cu Apr-05 05/14 Lead-Free Mfg. Effective Date (Std Product Series) Lead-Free Effective Date Code (YY/WW) Standard Product Series

Description

Rev Date: 10/22/2020 6 www.seielect.com This specification may be changed at any time without prior notice . marketing@seielect.com Please confirm technical specifications before you order and/or use. RSPF / RSPL Series Flameproof Power Resistor Stackpole Electronics, Inc. Resistive Product Solutions 1 2 3 4 5 6 7 8 9 10 11 12 R S P F 1 2 J B 1 0 R 0 How to Order Resistance Value RSPF Flameproof Size W Code Tol Value Code Description Size Quantity RSPL Low values 14 0.25 F 1% E96, E24 RSPF14, RSPL14 12 0.5 G 2% RSPF12, RSPL12 1 1 J 5% RSPF1, RSPL1 2 2 RSPF2, RSPL2 3 3 RSPF3, RSPL3 1000 2.2 ohm = 2R20 RSPF14, RSPL14 2000 10 Kohm = 10K0 RSPF12, RSPL12 1 Mohm = 1M00 RSPF1, RSPL1 RSPF2, RSPL2 RSPF3, RSPL3 RSPF14, RSPL14 5000 RSPF12, RSPL12 RSPF1, RSPL1 RSPF2, RSPL2 1000 RSPF3, RSPL3 500 (*) Ammo Product Series Tolerance PackagingPower Rating Four characters with the multiplier used as the decimal holder. 5000 E24 (*) Minimum order quantity of 1000 pieces 2500 2000 T Tape and Reel B Bulk 1000 A