RNCF1210BTC121K

RNCF Series Stackpole Electronics, Inc. Precision Thin Film Chip Resistor Resistive Product Solutions Features: • • • • • • • • • Precision tolerances to ± 0.01% TCR down to ± 2 ppm/ºC Wide R-value range Lower values may be available Contact Stackpole for tighter tolerances Qualified to AEC-Q200 100% RoHS compliant and lead free without exemption Halogen free REACH compliant Electrical Specifications – Precision Thin Film Chip Resistor Type/Code RNCF0201 Power Rating (W) @ 70ºC 0.05 0.063 (2) Maximum Maximum Working Overload (1) Voltage (V) Voltage (V) 15 50 30 100 RNCF0402 0.1 0.1 50 75 100 150 RNCF0603 0.166 100 150 0.1 100 200 RNCF0805 0.125 150 300 0.25 150 300 0.125 150 300 RNCF1206 0.25 0.33 200 200 400 400 TCR (ppm/ºC) ± 10 ± 15 ± 25 ± 50 ± 10 ± 15 ± 25 ± 50 ± 10 ± 15 ± 25 ± 50 ± 10 ± 15 ± 25 ± 50 ± 25 ± 50 ± 10 ± 15 ± 25 ± 50 ± 10 ± 15 ± 25 ± 50 ± 25 ± 50 ± 10 ± 15 ± 25 ± 50 ± 10 ± 15 ± 25 ± 50 ± 25 ± 50 Ohmic Range (Ω) and Tolerance 0.01% 0.05% 0.1% 0.25% 0.5% 1% 22 - 5K* 22 - 75K 12.1K - 20K - - 4.02 - 4.64, 261K - 511K 49.9 - 12K 49.9 - 100K - 49.9 - 12K 4.7 - 255K 24.9 - 100K 4.7 - 332K 4.7 - 511K 24.9 - 100K 4.7 - 9.88 1 - 9.76, 336K - 1M - 10 - 332K - 517K - 1M - - 505K - 1M 1.02M - 2M 24.9 - 200K 4.7 - 511K 4.7 - 1M 24.9 - 200K 4.7 - 9.88 505K - 1M - 10 - 499K - 1.02M - 1.5M - 1.02M - 2.5M 24.9 - 499K 4.7 - 1M 24.9 - 499K 1 - 9.76 - 10 - 1M * Subject to higher MOQ. (1) Lesser of √ P*R or maximum working voltage. (2) For lower power ratings, contact Stackpole. Rev Date: 8/11/2023 This specification may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 1 www.seielect.com marketing@seielect.com RNCF Series Stackpole Electronics, Inc. Precision Thin Film Chip Resistor Resistive Product Solutions Electrical Specifications – Precision Thin Film Chip Resistor (cont.) Type/Code Power Rating (W) @ 70ºC (2) Maximum Maximum Working Overload Voltage (V) (1) Voltage (V) 0.25 150 300 0.33 200 400 RNCF1210 0.25 150 300 0.33 200 400 RNCF2010 0.5 150 300 RNCF2512 0.75 200 1 200 400 400 TCR (ppm/ºC) ± 25 ± 50 ± 10 ± 15 ± 25 ± 50 ± 25 ± 50 ± 10 ± 15 ± 25 ± 50 ± 10 ± 15 ± 25 ± 50 ± 10 ± 15 ± 25 ± 50 ± 25 ± 50 Ohmic Range (Ω) and Tolerance 0.01% 0.05% 0.1% 0.25% - 0.5% 1% 1.02M - 2.5M 24.9 - 499K 4.7 - 1M 24.9 - 499K 1 - 1M - 1.02M - 3M 24.9 - 499K 4.7 - 1M 24.9 - 499K 1 - 1M 2.05K - 499K 2.05K - 1M - 2.05K - 1M 24.9 - 2K 4.7 - 2K 4.7 - 2K 1 - 2K 24.9 - 2K 4.7 - 2K 101 - 2K 101 - 2K 4.7 - 100 1 - 100 - 2.05K - 3M (1) Lesser of √ P*R or maximum working voltage. (2) For lower power ratings, contact Stackpole. Electrical Specifications – Ultra-Precision Thin Film Chip Resistor Type/Code RNCF0402 Maximum Maximum Power Rating(2) Working Overload (W) (1) Voltage (V) @ 70ºC Voltage (V) 0.1 50 100 RNCF0603 0.1 75 150 RNCF0805 0.125 150 300 RNCF1206 0.25 200 400 RNCF1210 0.33 200 400 0.25 150 300 0.33 200 400 RNCF2010 RNCF2512 0.5 150 300 TCR (ppm/ºC) ±2 ±5 ±2 ±5 ±2 ±5 ±2 ±5 ±2 ±5 ±2 ±2 ±5 ±2 ±5 Ohmic Range (Ω) and Tolerance 0.01% 0.05% 49.9 - 4.99K 0.1% 0.25% 0.5% - 1% 49.9 - 20K 24.9 - 15K 24.9 - 59K 24.9 - 30K 24.9 - 150K 24.9 - 49.9K 24.9 - 300K 24.9 - 49.9K 24.9 - 300K 51K - 100K 24.9 - 49.9K 24.9 - 300K 24.9 - 100K 24.9 - 300K (1) Lesser of √ P*R or maximum working voltage. (2) For lower power ratings, contact Stackpole. Rev Date: 8/11/2023 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 RNCF Series Stackpole Electronics, Inc. Precision Thin Film Chip Resistor Resistive Product Solutions Mechanical Specifications Type/Code Weight (g) (1000 pc.) RNCF0201 0.14 RNCF0402 0.54 RNCF0603 1.83 RNCF0805 4.71 RNCF1206 9.02 RNCF1210 10 RNCF2010 23.61 RNCF2512 38.6 L Body Length 0.023 ± 0.003 0.58 ± 0.07 0.039 ± 0.002 1.00 ± 0.05 0.061 ± 0.004 1.55 ± 0.10 0.079 ± 0.006 2.00 ± 0.15 0.120 ± 0.006 3.05 ± 0.15 0.122 ± 0.006 3.10 ± 0.15 0.193 ± 0.006 4.90 ± 0.15 0.248 ± 0.006 6.30 ± 0.15 W Body Width 0.011 ± 0.002 0.29 ± 0.06 0.020 ± 0.002 0.50 ± 0.05 0.031 ± 0.004 0.80 ± 0.10 0.049 ± 0.006 1.25 ± 0.15 0.061 ± 0.006 1.55 ± 0.15 0.094 ± 0.006 2.40 ± 0.15 0.094 ± 0.006 2.40 ± 0.15 0.122 ± 0.006 3.10 ± 0.15 H Body Height 0.009 ± 0.002 0.23 ± 0.05 0.012 ± 0.002 0.30 ± 0.05 0.018 ± 0.004 0.45 ± 0.10 0.022 ± 0.004 0.55 ± 0.10 0.022 ± 0.004 0.55 ± 0.10 0.022 ± 0.004 0.55 ± 0.10 0.022 ± 0.004 0.55 ± 0.10 0.022 ± 0.004 0.55 ± 0.10 a Top Termination 0.005 ± 0.002 0.12 ± 0.05 0.008 ± 0.004 0.20 ± 0.10 0.012 ± 0.008 0.30 ± 0.20 0.012 ± 0.008 0.30 ± 0.20 0.017 ± 0.008 0.42 ± 0.20 0.016 ± 0.008 0.40 ± 0.20 0.024 ± 0.012 0.60 ± 0.30 0.024 ± 0.012 0.60 ± 0.30 b Bottom Termination 0.006 ± 0.002 0.15 ± 0.05 0.008 ± 0.004 0.20 ± 0.10 0.012 ± 0.008 0.30 ± 0.20 0.016 ± 0.008 0.40 ± 0.20 0.014 ± 0.010 0.35 ± 0.25 0.022 ± 0.010 0.55 ± 0.25 0.020 ± 0.010 0.50 ± 0.25 0.020 ± 0.010 0.50 ± 0.25 Unit inches mm inches mm inches mm inches mm inches mm inches mm inches mm inches mm Performance Characteristics Test Test Method Test Specification Tol. ≤ 0.05% Tol. > 0.05% Test Condition Temperature coefficient of Resistance (T.C.R.) MIL-STD-202 Method 304 As specified. +25 / -55 / +25 / +125 / +25°C Short Time Overload JIS-C-5201-1 4.13 Insulation Resistance MIL-STD-202 Method 302 RCWV * 2.5 or Max. overload voltage whichever is lower for 5 seconds Apply 100 VDC for 1 minute Endurance MIL-STD-202 Method 108A Damp Heat with Load MIL-STD-202 Method 103B Δ R ± 0.05% Δ R ± 0.2% Δ R ± 0.2% for high power rating > 9999M Ω Δ R ± 0.05% Δ R ± 0.2% Δ R ± 0.5% for high power rating 0201 ≤ 7K Ω: Δ R ± 0.2% 0201 > 7K Ω: Δ R ± 0.5% Δ R ± 0.05% Δ R ± 0.3% Δ R ± 0.5% for high power rating Bending Strength JIS-C-5201-1 4.33 Solderability Resistance to Soldering Heat Dielectric Withstand Voltage MIL-STD-202 Method 208H MIL-STD-202 Method 210E MIL-STD-202 Method 301 Δ R ± 0.05% Δ R ± 0.1% 70 ± 2°C, RCWV for 1000 hours with 1.5 hours "ON" and 0.5 hour "OFF" 40 ± 2°C, 90 ~ 95% R.H. RCWV for 1000 hours with 1.5 hours "ON" and 0.5 hour "OFF" Bending amplitude for 10 seconds. 2010 and 2512 sizes: 2 mm Other sizes: 3 mm 245 ± 5°C for 3 seconds 260 ± 5°C for 10 seconds Max. overload voltage for 1 minute 95% min. coverage Δ R ± 0.05% Δ R ± 0.1% by type Δ R ± 0.05% Δ R ± 0.2% Low Temperature Operation JIS-C-5201-1 4.36 1 hour, - 65°C, followed by 45 minutes of RCWV Δ R ± 0.5% for high power rating High Temperature Exposure MIL-STD-202 Method 108 Δ R ± 0.5% +155°C for 1000 hours RCWV (Rated Continuous Working Voltage) = √ P*R or Max. Operating Voltage, whichever is lower. Storage Temperature: 60 ~ 82ºF. Humidity < 80% R.H. Operating temperature range is -55°C to + 155°C Rev Date: 8/11/2023 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 RNCF Series Stackpole Electronics, Inc. Precision Thin Film Chip Resistor Resistive Product Solutions Power Derating Curve: Soldering Condition: (1) Time of IR reflow soldering at maximum temperature point 260°C: 10 seconds (2) Time of wave soldering at maximum temperature point 260°C: 10 seconds (3) Time of soldering iron at maximum temperature point 410°C: 5 seconds Reel Specifications Type/Code RNCF0201 RNCF0402 RNCF0603 RNCF0805 A 7.008 178.00 7.008 178.00 7.008 178.00 7.008 178.00 ± ± ± ± ± ± ± ± B 0.039 1.00 0.039 1.00 0.039 1.00 0.039 1.00 2.362 60.00 2.362 60.00 2.362 60.00 2.362 60.00 ± ± ± ± ± ± ± ± Rev Date: 8/11/2023 This specification may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. C 0.039 1.00 0.039 1.00 0.039 1.00 0.039 1.00 0.531 13.50 0.531 13.50 0.531 13.50 0.531 13.50 4 ± ± ± ± ± ± ± ± W 0.028 0.70 0.028 0.70 0.028 0.70 0.028 0.70 0.374 9.50 0.374 9.50 0.374 9.50 0.374 9.50 ± ± ± ± ± ± ± ± T 0.039 1.00 0.039 1.00 0.039 1.00 0.039 1.00 0.453 11.50 0.453 11.50 0.453 11.50 0.453 11.50 ± ± ± ± ± ± ± ± Unit 0.039 1.00 0.039 1.00 0.039 1.00 0.039 1.00 inches mm inches mm inches mm inches mm www.seielect.com marketing@seielect.com RNCF Series Stackpole Electronics, Inc. Precision Thin Film Chip Resistor Resistive Product Solutions Reel Specifications (cont.) Type/Code A 7.008 178.00 7.008 178.00 7.008 178.00 7.008 178.00 RNCF1206 RNCF1210 RNCF2010 RNCF2512 ± ± ± ± ± ± ± ± B 0.039 1.00 0.039 1.00 0.039 1.00 0.039 1.00 2.362 60.00 2.362 60.00 2.362 60.00 2.362 60.00 ± ± ± ± ± ± ± ± C 0.039 1.00 0.039 1.00 0.039 1.00 0.039 1.00 0.531 13.50 0.531 13.50 0.531 13.50 0.531 13.50 ± ± ± ± ± ± ± ± W 0.028 0.70 0.028 0.70 0.028 0.70 0.028 0.70 0.374 9.50 0.374 9.50 0.531 13.50 0.531 13.50 ± ± ± ± ± ± ± ± T 0.039 1.00 0.039 1.00 0.039 1.00 0.039 1.00 0.453 11.50 0.453 11.50 0.610 15.50 0.610 15.50 ± ± ± ± ± ± ± ± Unit 0.039 1.00 0.039 1.00 0.039 1.00 0.039 1.00 inches mm inches mm inches mm inches mm Packaging Specifications – Paper Tape Type/Code RNCF0201 RNCF0402 RNCF0603 RNCF0805 RNCF1206 RNCF1210 A RNCF0402 RNCF0603 RNCF0805 RNCF1206 RNCF1210 W E ± 0.002 ± 0.05 ± 0.002 ± 0.05 ± 0.002 ± 0.05 ± 0.002 ± 0.05 ± 0.002 ± 0.05 ± 0.002 ± 0.05 P0 0.028 0.70 0.046 1.16 0.075 1.90 0.093 2.37 0.140 3.55 0.134 3.40 ± 0.002 ± 0.05 ± 0.002 ± 0.05 ± 0.002 ± 0.05 ± 0.002 ± 0.05 ± 0.002 ± 0.05 ± 0.002 ± 0.05 P1 0.315 8.00 0.315 8.00 0.315 8.00 0.315 8.00 0.315 8.00 0.315 8.00 ± 0.004 ± 0.10 ± 0.004 ± 0.10 ± 0.004 ± 0.10 ± 0.004 ± 0.10 ± 0.004 ± 0.10 ± 0.004 ± 0.10 P2 0.069 1.75 0.069 1.75 0.069 1.75 0.069 1.75 0.069 1.75 0.069 1.75 0.157 4.00 0.157 4.00 0.157 4.00 0.157 4.00 0.157 4.00 0.157 4.00 ± ± ± ± ± ± ± ± ± ± ± ± 0.079 2.00 0.079 2.00 0.157 4.00 0.157 4.00 0.157 4.00 0.157 4.00 ± ± ± ± ± ± ± ± ± ± ± ± 0.079 2.00 0.079 2.00 0.079 2.00 0.079 2.00 0.079 2.00 0.079 2.00 ± ± ± ± ± ± ± ± ± ± ± ± 0.061 1.55 0.061 1.55 0.061 1.55 0.061 1.55 0.061 1.55 0.063 1.60 Type/Code RNCF0201 B 0.016 0.40 0.028 0.70 0.043 1.10 0.063 1.60 0.079 2.00 0.108 2.75 0.004 0.10 0.004 0.10 0.004 0.10 0.004 0.10 0.004 0.10 0.002 0.05 0.002 0.05 0.002 0.05 0.004 0.10 0.004 0.10 0.004 0.10 0.004 0.10 Rev Date: 8/11/2023 This specification may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 5 0.002 0.05 0.002 0.05 0.002 0.05 0.002 0.05 0.002 0.05 0.002 0.05 F ± 0.002 ± 0.05 ± 0.002 ± 0.05 ± 0.002 ± 0.05 ± 0.020 ± 0.50 ± 0.002 ± 0.05 ± 0.002 ± 0.05 D0 ± ± ± ± ± ± ± ± ± ± ± ± 0.001 0.03 0.002 0.05 0.002 0.05 0.002 0.05 0.002 0.05 0.004 0.10 Unit 0.138 3.50 0.138 3.50 0.138 3.50 0.138 3.50 0.138 3.50 0.138 3.50 ± ± ± ± ± ± ± ± ± ± ± ± T 0.002 0.05 0.002 0.05 0.002 0.05 0.002 0.05 0.002 0.05 0.002 0.05 inches mm inches mm inches mm inches mm inches mm inches mm Unit 0.017 0.42 0.016 0.40 0.024 0.60 0.030 0.75 0.030 0.75 0.030 0.75 ± ± ± ± ± ± ± ± ± ± ± ± 0.001 0.02 0.001 0.03 0.001 0.03 0.002 0.05 0.002 0.05 0.002 0.05 inches mm inches mm inches mm inches mm inches mm inches mm www.seielect.com marketing@seielect.com RNCF Series Stackpole Electronics, Inc. Precision Thin Film Chip Resistor Resistive Product Solutions Peel Force of Top Cover Tape The peel speed shall be about 300 mm / min ± 5% The peel force of top cover tape shall be between 8gf to 60gf Packaging Specifications – Embossed Plastic Tape Type/Code RNCF2010 RNCF2512 A 0.112 2.85 0.134 3.40 Type/Code RNCF2010 RNCF2512 ± ± ± ± B 0.004 0.10 0.004 0.10 0.215 5.45 0.262 6.65 0.002 0.05 0.002 0.05 0.157 4.00 0.157 4.00 P0 0.157 4.00 0.157 4.00 ± ± ± ± ± ± ± ± W 0.004 0.10 0.004 0.10 0.472 12.00 0.472 12.00 0.004 0.10 0.004 0.10 0.079 2.00 0.079 2.00 P1 ± ± ± ± ± ± ± ± E 0.004 0.10 0.004 0.10 0.069 1.75 0.069 1.75 0.002 0.05 0.002 0.05 0.059 1.50 0.059 1.50 P2 ± ± ± ± ± ± ± ± F 0.004 0.10 0.004 0.10 0.217 5.50 0.217 5.50 0.004 0.10 0.004 0.10 0.039 1.00 0.039 1.00 D0 ± ± ± ± ± ± ± ± Unit 0.002 0.05 0.002 0.05 inches mm inches mm 0.008 0.20 0.008 0.20 inches mm inches mm T ± ± ± ± Unit Peel Force of Top Cover Tape The peel speed shall be about 300 mm / min ± 5% The peel force of top cover tape shall be between 20gf to 80gf Rev Date: 8/11/2023 This specification may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 6 www.seielect.com marketing@seielect.com RNCF Series Stackpole Electronics, Inc. Precision Thin Film Chip Resistor Resistive Product Solutions Recommended Pad Layout Type/Code RNCF0201 RNCF0402 RNCF0603 RNCF0805 RNCF1206 RNCF1210 RNCF2010 RNCF2512 A B 0.010 0.25 0.020 0.50 0.031 0.80 0.039 1.00 0.079 2.00 0.079 2.00 0.142 3.60 0.193 4.90 0.012 0.30 0.020 0.50 0.039 1.00 0.039 1.00 0.045 1.15 0.045 1.15 0.055 1.40 0.063 1.60 C 0.016 0.40 0.024 0.60 0.035 0.90 0.053 1.35 0.067 1.70 0.098 2.50 0.098 2.50 0.122 3.10 ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± Unit 0.008 0.20 0.008 0.20 0.008 0.20 0.008 0.20 0.008 0.20 0.008 0.20 0.008 0.20 0.008 0.20 inches mm inches mm inches mm inches mm inches mm inches mm inches mm inches mm 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 is 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. = Difference between final preheat stage and soldering stage. Rev Date: 8/11/2023 This specification may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 7 Minimum 60 seconds 100°C 240°C * N/A www.seielect.com marketing@seielect.com RNCF Series Stackpole Electronics, Inc. Precision Thin Film Chip Resistor Resistive Product Solutions Convection IR Reflow Description Ramp Up (°C/sec) Dwell Time > 217°C Solder Temp. Dwell Time at Max. Ramp DN (°C/sec) Maximum 3°C/sec 150 seconds 260°C 30 seconds 6°C/sec Recommended 2°C/sec 90 seconds 245°C 15 seconds 3°C/sec Minimum * 60 seconds * 10 seconds * 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 RNCF 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) Precision Thin Film Surface Mount Chip Resistor SMD YES 100% Matte Sn over Ni May-04 04/18 Rev Date: 8/11/2023 This specification may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 8 www.seielect.com marketing@seielect.com RNCF Series Stackpole Electronics, Inc. Precision Thin Film Chip Resistor Resistive Product Solutions “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. 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 R N Product Series Code Description Precision Thin RNCF Film Chip Resistors C Size Code 0201 0402 0603 0805 1206 1210 2010 2512 F 0 8 Tolerance (1) Tol Code Value T 0.01% A 0.05% E192, B 0.1% E96, E24 C 0.25% D 0.5% F 1% E96, E24 0 5 D T Packaging Description Size 0201, 0402 7" Reel 0603, 0805 Paper Tape 1206, 1210 7" Reel 2010, 2512 Plastic Tape Code T K 7" Reel All Sizes E 4 Quantity 10000 5000 4000 1000 K TCR Code ppm W 2 Y 5 T 10 S 15 E 25 C 50 D 100 7 5 Resistance Value (2) Four characters with the multiplier used as the decimal holder. 24.9 ohm = 24R9 10 Kohm = 10K0 1 Mohm = 1M00 (1) E192 values are not marked, and may be subject to higher MOQ (2) Values below 10 ohm and above 1 Mohm may be subject to higher MOQ Rev Date: 8/11/2023 This specification may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 9 www.seielect.com marketing@seielect.com