CRN BOURNS | Alldatasheet

Document overview

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Technical content

Features

n High power rating up to 2 watts n Metal thick film technology n Low resistance from 47 mΩ to 10 Ω n RoHS compliant* without exemption Sustainability n Small size reduces material use n High pallet density for lower CO₂ n Energy-saving low-power design n High efficiency, low power loss n ISO 14001, low impact energy

Applications

n Low voltage power supplies n Industry controllers n Digital meters n Current sensing CRN SERIES Low Ohmic Metal Film Resistor *RoHS COMPLIANT www.bourns.com INVENTORY SAMPLES FOLLOW CONTACT TECHNICAL LIBRARY PRODUCT R100 Model Power Rating @ 70 °C Max. Voltage Resistance Range (Ω) TCR (ppm/°C) ToleranceWork Overload CRN0603 Standard 0.125 W 337 mV 754 mV 47 m to 91 m ±200 ±1 % ±5 % 100 m to 910 m ±100 High 0.25 W 477 mV 1.067 V 47 m to 91 m ±200 100 m to 910 m ±100 CRN0805 Standard 0.25 W 477 mV 1.067 V 47 m to 910 m ±100High 0.5 W 675 mV 1.508 V 47 m to 910 m CRN1206 Standard 0.33 W 551 mV 1.232 V 47 m to 910 m ±1000.25 W 1.58 V 3.54 V 1 to 10 High 0.75 W 826 mV 1.847 V 47 m to 910 m 0.5 W 2.24 V 5.00 V 1 to10 CRN1210 Standard 0.67 W 779 mV 1.742 V 47 m to 910 m ±100High 0.75 W 826 mV 1.847 V 47 m to 910 m CRN2010 Standard 0.75 W 826 mV 6.12 V 47 m to 910 m ±1001 to 10 High 1 W 957 mV 7.07 V 47 m to 910 m 1 to 10 CRN2512 Standard 1 W 957 mV 7.07 V 47 m to 910 m ±1001 to 10 High 2 W 1.349 V 10 V 47 m to 910 m 1 to 10 Bourns® CRN Series offers reliable, low-ohmic current sensing performance in compact surface-mount packages. Based on metal thick-film technology, these resistors provide high power ratings up to 2 W, excellent thermal stability, and full RoHS compliance without exemption, supporting the development of next-generation energy- efficient and environmentally responsible electronics. With a resistance range from 47 mΩ to 10 Ω, multiple TCR options (±100, ±200 ppm/°C), and tolerance choices of ±1 % and ±5 %, the CRN Series delivers a combination of high performance, stability, and design flexibility—ideal for applications such as battery management systems, low-voltage power supplies, industrial controllers, and digital meters. Bourns® CRN Series minimizes environmental impact through its efficient metal thick-film construction and reduced power loss. Product Overview Electrical Characteristics (@ TA = 25 °C Unless Otherwise Noted) * RoHS Directive 2015/863, Mar 31, 2015 and Annex. Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/ disclaimer.pdf. Storage Conditions Environmental Characteristics Notes:

  • Rated voltage (V) is calculated as √(P × R), and must not exceed the maximum working voltage.
  • High = High power rating.

Low Ohmic Metal Film Resistor *RoHS COMPLIANT www.bourns.com INVENTORY SAMPLES FOLLOW CONTACT TECHNICAL LIBRARY PRODUCT R100 Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/ disclaimer.pdf. Typical Part Marking

0603 Size 0805~2512 Size

3-Digit Marking to Identify the Resistance Value 4-Digit Marking to Identify the Resistance Value Example: 1R0 = 1 Ω R12 = 120 mΩ 68M = 68 mΩ Example: 5R90 = 5.9 Ω R068 = 68 mΩ R120 = 120 mΩ Current Rating Thermal Derating Curve Ambient Temperature (°C) 155 100 0-55 20 40 60 80 100 120 140 160 Power Ratio (%) CRN 1206 - F X - __ R020 E PF Model CRN = Metal Film Chip Resistor Size 0603 = 0603 (1608) 0805 = 0805 (2012) 1206 = 1206 (3216) 1210 = 1210 (3225) 2010 = 2010 (5025) 2512 = 2512 (6332) Resistance Tolerance F = ±1 % J = ±5 % TCR (PPM/°C) X = ±100 W = ±200 Power Code Blank = Standard Power H = High power model Resistance Value Code ”R” represents decimal point

  • ±1 % tolerance all values and ±5% tolerance <1 Ω: 4 digits (Example: R047 = 47 mΩ, 2R00 = 2Ω, 10R0 = 10Ω)
  • ±5 % tolerance ≥1 Ω: 3 digits (Example: 5R0= 5 Ω, 1R2 = 1.2 Ω) Packaging E = 7-inch reel
  • 0603, 0805, 1206, 1210 sizes: 5,000 pcs. per reel
  • 2010, 2512 sizes: 4,000 pcs. per reel Termination PF = Matte Tin-plated (RoHS Compliant without Exemption) How to Order Test Conditions Specification Reference Limit Temperature Coefficient of Resistance +25 to +155 °C IEC 60115-1 Clause 4.8 Refer to TCR Short Time Overload 5x Rated Power for 5 Seconds IEC 60115-1 Clause 4.13 J: DR≤ ±2 % F: DR≤ ±1 % Operational Life 1000 Hours at Rated Power at +70 ±2 °C, 90 Minutes “ON” , 30 Minutes “OFF” IEC 60115-1, Clause 4.25 DR ≤ ±(3 % +0.5 mΩ) Resistance to Solder Heat +260 ±5 °C, 10+1 Second Dwell IEC 60115-1, Clause 4.18 1.DR ≤ ±(1 % +0.1 Ω) Solderability 245 ±2 °C Dipping Time: 3 Seconds IEC 60115-1, Clause 4.17 J-STD-002 >95 % Tin Coverage Board Flex / Bending 2 mm Deflection (1206, 2010, 2512) 3 mm Deflection (0603, 0805) IEC 60115-1 / JIS C 5201-1, Clause 4.33 J: DR≤ ±1 % F: DR≤ ±0.5 % Insulation Resistance Test Voltage 100 ± 15 V IEC 60115-1, Clause 4.6 Between Termination and Coating Must be Over 1000 MΩ Performance Characteristics 1R0 5R90 1R0 5R90

Low Ohmic Metal Film Resistor *RoHS COMPLIANT www.bourns.com INVENTORY SAMPLES FOLLOW CONTACT TECHNICAL LIBRARY PRODUCT R100 Product Dimensions DIMENSIONS: MM (INCHES) Model Dimension L W C D T CRN0603 1.60 ± 0.10 (0.063 ± 0.004) 0.80 ± 0.10 (0.031 ± 0.004) 0.30 ± 0.20 (0.012 ± 0.008) 0.30 ± 0.20 (0.012 ± 0.008) 0.45 ± 0.10 (0.018 ± 0.004) CRN0805 2.00 ± 0.10 (0.079 ± 0.004) 1.25 ± 0.10 (0.049 ± 0.004) 0.40 ± 0.20 (0.016 ± 0.008) 0.40 ± 0.20 (0.016 ± 0.008) 0.50 ± 0.10 (0.020 ± 0.004) CRN1206 3.10 ± 0.10 (0.122 ± 0.004) 1.60 ± 0.10 (0.063 ± 0.004) 0.50 ± 0.25 (0.020 ± 0.010) 0.50 ± 0.25 (0.020 ± 0.010) 0.55 ± 0.10 (0.022 ± 0.004) CRN1210 3.10 ± 0.10 (0.122 ± 0.004) 2.60 ± 0.10 (0.102 ± 0.004) 0.50 ± 0.25 (0.020 ± 0.010) 0.50 ± 0.25 (0.020 ± 0.010) 0.55 ± 0.10 (0.022 ± 0.004) CRN2010 5.00 ± 0.20 (0.197 ± 0.008) 2.50 ± 0.20 (0.098 ± 0.008) 0.60 ± 0.25 (0.024 ± 0.010) 0.60 ± 0.25 (0.024 ± 0.010) 0.60 ± 0.10 (0.024 ± 0.004) CRN2512 6.30 ± 0.20 (0.248 ± 0.008) 3.10 ± 0.20 (0.122 ± 0.008) 0.60 ± 0.25 (0.024 ± 0.010) 0.90 ± 0.25 (0.035 ± 0.010) 0.60 ± 0.15 (0.024 ± 0.006) L L B DD C C W A T L L B DD C C W A T Model Dimension A B L CRN0603 0.90 (0.035) 1.00 (0.039) 3.00 (0.118) CRN0805 1.30 (0.051) 1.15 (0.045) 3.50 (0.138) CRN1206 1.80 (0.071) 1.30 (0.051) 4.70 (0.185) CRN1210 3.00 (0.118) 1.30 (0.051) 4.70 (0.185) CRN2010 3.00 (0.118) 1.50 (0.059) 6.80 (0.268) CRN2512 3.70 (0.146) 1.60 (0.063) 7.60 (0.29) Recommended Solder Pad Layout DIMENSIONS: MM (INCHES) * Tolerance for peak profile temperature (Tp) is defined as a supplier minimum and a user maximum. Solder Reflow Recommendations Profile Feature Pb Free Assembly Preheat - Temperature Min. (Tsmin) - Temperature Max. (Tsmax) - Time(ts) from Tsmin to Tsmax 150 °C 200 °C 60-120 seconds Ramp-up Rate (TL to Tp) 3 °C/second max. Liquidous temperature (TL) 217 °C Time (tL) maintained above TL 60-150 seconds Peak package body temperature (Tp) 260 °C Time within 5 °C of Actual Peak Temperature (tp) <30 seconds Ramp-Down Rate (Tp to TL) 6 °C/second max. Time 25 °C to Peak Temperature 8 minutes max. 260 Temperature (°C) Time (Seconds) REFLOW TIMES: 3 TIMES MAX. PREHEAT AREA MAX. RAMP UP RATE = 3 °C/SEC. MAX. RAMP DOWN RATE = 6 °C/SEC. Time 25 °C to Peak 8 Minutes Max. TC -5 °C 200 °C 60~150 Sec. 217 150°C 60~120 Sec. <30 Sec.

Low Ohmic Metal Film Resistor *RoHS COMPLIANT www.bourns.com INVENTORY SAMPLES FOLLOW CONTACT TECHNICAL LIBRARY PRODUCT R100 Packaging Specifications Model Dimension A B W F E P1 P2 P0 D0 T G CRN0603 1.10 ± 0.20 (.043 ± .008) 1.90 ± 0.20 (.075 ± .008) 8.0 ± 0.30 (.315 ± .012) 3.5 ± 0.05 (.138 ± .002) 1.75 ± 0.10 (.069 ± .004) 4.0 ± 0.10 (.157 ± .004) 2.0 ± 0.05 (.079 ± .002) 4.0 ± 0.10 (.157 ± .004) 1.5 +0.1/-0 (.059 +.004/-0) 14.3 (.587) MAX. 10.0 ± 1.5 (.394 ± .059) CRN0805 1.65 ± 0.20 (.065 ± .008) 2.40 ± 0.20 (.095 ± .008) CRN1206 2.00 ± 0.20 (.079 ± .008) 3.60 ± 0.20 (.142 ± .008) CRN1210 3.00 ± 0.20 (.118 ± .008) 3.60 ± 0.20 (.142 ± .008) CRN2010 2.80 ± 0.20 (.110 ± .008) 5.50 ± 0.20 (.472 ± .012) 5.5 ± 0.10 (.217 ± .004) 16.7 (.657) MAX 13.8 ± 1.5 (.138 ± .008) 6.7 ± 0.20 (.264 ± .008) DIMENSIONS: MM (INCHES) Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/ disclaimer.pdf. REV. 10/25 (Conforms to EIA RS-481A) RESISTOR TOP TAPE EMBOSSED TAPE A P1 1.5 (.059) DIA. G T D0 DIA. 1.27 (.050) 13.0 ± 0.5 (.512 ± .020) E (2.362) DIA. MIN. 178 ± 2.0 (7.008 ± .079 F W B RESISTOR TOP TAPE EMBOSSED TAPE A P1 1.5 (.059) DIA. G T D0 DIA. 1.27 (.050) 13.0 ± 0.5 (.512 ± .020) E (2.362) DIA. MIN. 178 ± 2.0 (7.008 ± .079 F W B www.bourns.com Phone Email Asia-Pacific +886-2 2562-4117 asiacus@bourns.com Europe +36 88 885 877 eurocus@bourns.com Mexico +52 614 478 0400 mexicus@bourns.com The Americas +1-951 781-5500 americus@bourns.com Contact Information DIMENSIONS: MM (INCHES)

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