C F / CFM Series Stackpole Electronics, Inc. Carbon Film Resistor Resistive Product Solutions Features: • General purpose resistor ideal for commercial/industrial applications • Flame retardant coatings standard • Flameproof version available as CFF • Panasert available on selected sizes - contact Stackpole • Auto sequencing/insertion compatible • CFM (mini) ideal choice when size constraints apply • Cut and formed product is available on select sizes - contact Stackpole • Standard lead wire for CF / CFM is copper plated steel, with 100% tin over plate • 100% tin plate on copper wire is available as type CFQ / CFQM • RoHS compliant, lead free and halogen free Electrical Specifications - CF Maximum Maximum Dielectric Ohmic Range (Ω) and Power Rating (W) Type / Code Working Overload Withstanding TCR (ppm/ºC) per Ohmic Range Tolerance @ 70ºC Voltage (V) (1) Voltage (V) Voltage (V) 2% 5% CF18 0.125 250 500 350 < 10 Ω = ±400 ppm/ºC 10 - 1 M 1 - 22 M CF14 0.25 350 600 350 10 Ω to 9.99K Ω = 0 ~ -400 ppm/ºC 1 - 1 M 1 - 22 M CF12 0.5 350 700 600 10 K Ω to 99K Ω = 0 ~ -500 ppm/ºC 10 - 1 M 1 - 22 M CF1 1 500 1000 600 100 K Ω to 999K Ω = 0 ~ -850 ppm/ºC 1 - 1 M 1 - 10 M CF2 2 500 1000 600 1M Ω and above = 0 ~ -1500 ppm/ºC 1 - 1 M 1 - 10 M (1) Lesser of √P*R or maximum working voltage. Electrical Specifications - CFM Maximum Maximum Dielectric Ohmic Range (Ω) and Power Rating (W) Type / Code Working Overload Withstanding TCR (ppm/ºC) per Ohmic Range Tolerance @ 70ºC Voltage (V) (1) Voltage (V) Voltage (V) 2% 5% CFM14 0.25 250 500 350 < 10 Ω = ±400 ppm/ºC 1 - 1 M 1 - 10 M 10 Ω to 9.99K Ω = 0 ~ -400 ppm/ºC CFM12 0.5 350 600 350 10 K Ω to 99K Ω = 0 ~ -500 ppm/ºC 1 - 1 M 1 - 10 M 100 K Ω to 999K Ω = 0 ~ -850 ppm/ºC CFM1 1 600 1000 600 1M Ω and above = 0 ~ -1500 ppm/ºC 1 - 1 M 1 - 10 M (1) Lesser of √P*R or maximum working voltage. Mechanical Specifications – CF / CFQ A B C D - Lead Diameter D - Lead Diameter Type / Code Unit Body Length Body Diameter Lead Length (Bulk) CF / CFM CFQ / CFQM 0.130 ± 0.012 0.067 ± 0.012 1.102 ± 0.118 0.016 ± 0.003 0.018 ± 0.003 inches CF18 / CFQ18 3.30 ± 0.30 1.70 ± 0.30 28.00 ± 3.00 0.40 ± 0.08 0.45 ± 0.08 mm 0.236 ± 0.012 0.091 ± 0.012 1.102 ± 0.118 0.022 ± 0.003 0.022 ± 0.003 inches CF14 / CFQ14 6.00 ± 0.30 2.30 ± 0.30 28.00 ± 3.00 0.55 ± 0.08 0.55 ± 0.08 mm 0.335 ± 0.039 0.106 ± 0.020 1.102 ± 0.118 0.022 ± 0.003 0.028 ± 0.004 inches CF12 / CFQ12 8.50 ± 1.00 2.70 ± 0.50 28.00 ± 3.00 0.55 ± 0.08 0.70 ± 0.10 mm 0.433 ± 0.039 0.177 ± 0.020 1.181 ± 0.118 0.031 ± 0.004 0.031 ± 0.004 inches CF1 / CFQ1 11.00 ± 1.00 4.50 ± 0.50 30.00 ± 3.00 0.80 ± 0.10 0.80 ± 0.10 mm 0.591 ± 0.039 0.197 ± 0.020 1.339 ± 0.157 0.031 ± 0.004 0.031 ± 0.004 inches CF2 / CFQ2 15.00 ± 1.00 5.00 ± 0.50 34.00 ± 4.00 0.80 ± 0.10 0.80 ± 0.10 mm 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.

C F / CFM Series Stackpole Electronics, Inc. Carbon Film Resistor Resistive Product Solutions Mechanical Specifications – CFM / CFQM A B C D - Lead Diameter D - Lead Diameter Type / Code Unit Body Length Body Diameter Lead Length (Bulk) CF / CFM CFQ / CFQM 0.130 ± 0.012 0.067 ± 0.012 1.102 ± 0.118 0.016 ± 0.003 0.018 ± 0.003 inches CFM14 / CFQM14 3.30 ± 0.30 1.70 ± 0.30 28.00 ± 3.00 0.40 ± 0.08 0.45 ± 0.08 mm 0.236 ± 0.012 0.091 ± 0.012 1.102 ± 0.118 0.022 ± 0.003 0.022 ± 0.003 inches CFM12 / CFQM12 6.00 ± 0.30 2.30 ± 0.30 28.00 ± 3.00 0.55 ± 0.08 0.55 ± 0.08 mm 0.354 ± 0.020 0.138 ± 0.020 1.102 ± 0.118 0.028 ± 0.002 0.028 ± 0.002 inches CFM1 / CFQM1 9.00 ± 0.50 3.50 ± 0.50 28.00 ± 3.00 0.70 ± 0.05 0.70 ± 0.05 mm Performance Characteristics Test Test Method Typical Result Test Limit 1 Ω ~ 91K Ω 100K Ω ~ 910K Ω 1M Ω ~ 22M Ω 1 Ω ~ 91K Ω 100K Ω ~ 910K Ω 1M Ω ~ 22M Ω Current Noise MIL-STD 202, Method 308 0.15μ V/V 0.32μ V/V 0.54μ V/V 0.2μ V/V 0.4μ V/V 0.6μ V/V Short Time Overload JIS C5201-1, IEC60115-1, 4.13 < ± 0.25% ≤ ± (0.75% + 0.05 Ω) Resistance to Solder Heat JIS C5201-1, IEC60115-1, 4.18 < ± 0.3% ≤ ± (0.50% + 0.05 Ω) Rapid Change of Temperature JIS C5201-1, IEC60115-1, 4.19 < ± 0.3% ≤ ± (1.00% + 0.05 Ω) Endurance at 70 °C JIS C5201-1, IEC60115-1, 4.25.1 < ± 1% R < 100K Ω: ≤ ± (2.0% + 0.05 Ω) Terminal Strength MIL-STD 202, Method 211 < ± 0.2% ≤ ± (0.50% + 0.05 Ω) Damp Heat (Steady state) JIS C5201-1, IEC60115-1, 4.24 < ± 1.5% R < 100K Ω: ≤ ± (3.0% + 0.05 Ω) Operating temperature range is -55C to +155C Power Derating Curve: -55ºC 70ºC 100 80 %) ( d 60 a o L r we 40 o P 20 155ºC 0 -60 0 20 40 60 80 100 120 140 160 180 Ambient Temperature (ºC) 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.

C F / CFM Series Stackpole Electronics, Inc. Carbon Film Resistor Resistive Product Solutions Recommended Solder Profiles 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 – 100% Matte Tin / RoHS Compliant Terminations 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 – 100% Matte Tin / RoHS Compliant Terminations 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 * Recommended Lead Free Resistor Reflow Profile 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.

C F / CFM Series Stackpole Electronics, Inc. Carbon Film Resistor Resistive Product Solutions Single Pulse Power: CF, CFM Series One-Pulse Limitation Characteristics 10K CF2 1140W W) CF1, CFM1 570W es ( 1K CCFF1M21 2 4, 3C0FW14 285W g a CFM14, CF18 115W att W d 100 e pli Ap se 10 ul P 1 1μ 10μ 100μ 1m 10m 100m 1 Pulse Duration (sec) Typical performance for reference only. Repetitive Pulse Data: 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. Vp = K √P x R x T / t lp = K √P / R x T / t Pp = K2 x P x T / t 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: 0.8 [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), please decrease power rating according to “Power Derating Curve” Note 5: Please assure sufficient margin for use period and conditions for “Pulse limiting voltage” Note 6: If the pulse waveform is not square wave, please judge after transform the waveform into square wave according to the “Waveform Transformation to 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.

C F / CFM Series Stackpole Electronics, Inc. Carbon Film Resistor 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 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.

C F / CFM Series Stackpole Electronics, Inc. Carbon Film Resistor Resistive Product Solutions Current Noise: 0.8 ) V / V µ 0.6 e ( c oi 0.4 N nt re 0.2 r u C 0 1K 10K 100K 1M 10M Nominal Resistance (Ω) Packaging Specifications Type / Code Class Tape A Max (1). B Max C D (2) Unit 0.250 2.508 13.504 0.197 ± 0.020 2.063 ± 0.079 inches CF18 / CFQ18 I 6.35 63.70 343.00 5.00 ± 0.50 52.40 ± 2.00 mm 0.250 2.638 13.504 0.197 ± 0.020 2.063 ± 0.079 inches CF14 / CFQ14 I 6.35 67.00 343.00 5.00 ± 0.50 52.40 ± 2.00 mm 0.250 2.736 13.504 0.197 ± 0.020 2.063 ± 0.079 inches CF12 / CFQ12 I 6.35 69.50 343.00 5.00 ± 0.50 52.40 ± 2.00 mm 0.250 2.972 13.504 0.197 ± 0.020 2.063 ± 0.079 inches CF1 / CFQ1 I 6.35 75.50 343.00 5.00 ± 0.50 52.40 ± 2.00 mm 0.250 3.130 13.504 0.394 ± 0.020 2.063 ± 0.079 inches CF2 / CFQ2 I 6.35 79.50 343.00 10.00 ± 0.50 52.40 ± 2.00 mm 0.250 2.508 13.504 0.197 ± 0.020 2.063 ± 0.079 inches CFM14 / CFQM14 I 6.35 63.70 343.00 5.00 ± 0.50 52.40 ± 2.00 mm 0.250 2.638 13.504 0.197 ± 0.020 2.063 ± 0.079 inches CFM12 / CFQM12 I 6.35 67.00 343.00 5.00 ± 0.50 52.40 ± 2.00 mm 0.250 2.736 13.504 0.197 ± 0.020 2.063 ± 0.079 inches CFM1 / CFQM1 I 6.35 69.50 343.00 5.00 ± 0.50 52.40 ± 2.00 mm Dimension "E": This is a non-critical dimension that does not have a tolerance in the standard. Range of diameters is from 0.547 inches (13.90 mm) to 1.500 inches (38.10 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 (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 as option "N" packaging code. Contact Stackpole for more details. 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.

C F / CFM Series Stackpole Electronics, Inc. Carbon Film Resistor Resistive Product Solutions Radial Lead Taping Specifications (Pana-Sert PCF14) Symbol Description PANA-SERT Unit Symbol Description PANA-SERT Unit 0.256 ± 0.020 inches 0.433 max. inches A Resistor body length L Cutout Length (1) 6.50 ± 0.50 mm 11.00 max. mm 0.098 ± 0.020 inches 0.500 ± 0.039 inches C Height of bending P Resitor pitch (1) 2.50 ± 0.50 mm 12.70 ± 1.00 mm 0.091 ± 0.008 inches 0.500 ± 0.012 inches D Resistor body diameter P Sprocket-hole pitch (1) 2.30 ± 0.20 mm 0 12.70 ± 0.30 mm 0.157 ± 0.012 inches Sprocket-hole center to 0 . 1 5 2 ± 0.028 inches D Sprocket-hole diameter P 0 4.00 ± 0.30 mm 1 lead center 3.85 ± 0.70 mm 0.197 ± 0.039 inches Sprocket-hole center to 0 . 2 5 0 ± 0.051 inches F Resistor lead spacing P 5.00 ± 1.00 mm 2 resistor center (1) 6.35 ± 1.30 mm 0.748 ± 0.039 inches Thickness 0 . 0 2 8 ± 0 . 0 0 8 inches H Height to bottom of resistor T 19.00 ± 1.00 mm (chipboard and tape) 0.70 ± 0.20 mm 0.630 ± 0.020 inches 0.709 + 0.039 / -0.020 inches H Height to lead clinch W Chipboard width (1) 0 16.00 ± 0.50 mm 18.00 + 1.00 / -0.50 mm 1.122 max. inches 0.49 min. inches H Height of resistor W Hold-down tape width 1 28.50 max. mm 0 12.50 min. mm 0 ± 0.079 (0 ± 5º) inches 0.354 + 0.030 / -0.020 inches h Resistor alignment W Sprocket-hole position 0 ± 2.00 (0 ± 5º) mm 1 9.00 + 0.75 / -0.50 mm 0 ± 0.079 (0 ± 5º) inches 0.118 max. inches h Resistor alignment W Hold-down tape position 1 0 ± 2.00 (0 ± 5º) mm 2 3.00 max. mm 0.079 max. inches I Lead protrusion 2.00 max. mm Rev Date: 10/22/2020 7 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.

C F / CFM Series Stackpole Electronics, Inc. Carbon Film Resistor Resistive Product Solutions Surface Temperature Rise Measurement Point Standard Color Codes Color Band Description 1 2 3 4 5 Band Precision General Purpose 1st Band Nominal Nominal PRECISION - Have three significant-figure bands, a 2nd Band Nominal Nominal multiplier band and a tolerance band. Tolerances 1% or 3rd Band Nominal Multiplier less. 4th Band Multiplier Tolerance 5th Band Tolerance - GENERAL PURPOSE -Have two significant-figure bands, a multiplier band and a tolerance band. Tolerances 2% or greater. Nominal Multiplier Tolerance (%) Black 0 1 - Brown 1 10 1 Red 2 100 2 Orange 3 1 K - Yellow 4 10 K - Green 5 100 K 0.5 Blue 6 1000 K 0.25 Violet 7 - 0.1 Gray 8 - - White 9 0.001 - Silver - 0.01 10 Gold - 0.1 5 Rev Date: 10/22/2020 8 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.

C F / CFM Series Stackpole Electronics, Inc. Carbon Film Resistor 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 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 Package / Standa rd Lead-Free L e a d - F r e e Lead-Free Termination Effective Date Product Description Termination Series RoHS Mfg. Effective Date Composition Code Series Type Compliant (Std Product Series) (YY/WW) CF Carbon Film Leaded Resistor Axial YES 100% Matte Sn Jan-04 (Taiwan, China) 04/01 CFM Mini-Carbon Film Leaded Resistor Axial YES 100% Matte Sn Jan-04 (Taiwan, China) 04/01 “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 1 2 3 4 5 6 7 8 9 10 C F 1 2 J T 1 0 0 K Product Series Power Rating Tolerance Packaging Resistance Value Code Description Code W Code Tol Code Description Product Code Quantity Four characters with CF Standard 18 0.125 G 2% CF18, CFQ18, CFM14, CFQM14, the multiplier used CFF Flameproof 14 0.25 J 5% CF14, CFQ14, CFM12, CFQM12, 5000 as the decimal CFM Mini 12 0.5 CF12, CFQ12, PCF14, PCFM12 holder. T Tape and Reel PCF Panasert CF14 1 1 CFM1/CFQM1 2500 10 ohm = 10R0 PCFM Panasert CF12 2 2 CF1/CFQ1 2000 10.2 Kohm = 10K2 CFQ Tin plating on copper wire CF2/CFQ2 1000 1 Mohm = 1M00 CFQM Tin plating (mini) CF18, CFQ18, CFM14, CFQM14, 5000 Tin plating on copper wire CF14, CFQ14, CFM12, CFQM12 PCFQ Panasert A Ammo CF12, CFQ12, CFM1, CFQM1, 2000 PCF14, PCFM12, CF1, CFQ1 CF2 1000 B(*) Bulk All Sizes 1000 (*) Bulk packaging may be subject to 25Kpc MOQ Rev Date: 10/22/2020 9 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.