Resistors Surface Mounted Resistors CR Series Available to EN140401 & IECQ-CECC40401 release 100% high temperature and overload screened versions available for high reliability applications Terminations available for wire bonding or soldering Availa ble in sizes down to 0503 Resistance range 1 ohm to 100M ohms Tolerances down to 0.1% Solde r terminations have a nickel barrier layer Shorti ng Links available AllAll Pb-Pb-frfreeee partsparts ccomplyomply withwith EUEU DirDirectivectivee 2011/65/EU2011/65/EU amended amended b yb y(EU) (EU) 2015/863 2015/863 (R (RoHS3)oHS3) Electrical Data Electrical Data Commercial CR0503 CR0603 CR0805 CR1005 CR1206 CR2010 CR2512 Notes Power rating at 70 C watts 0.063 0.1 0.125 0.125 0.25 0.5 1.0 Resistance range ohms 1R to 10M 1R to 100M 1R to 1M Limiting element voltage volts 50 75 100 150 200 400 500 TCR -55 to +155 C ppm/ C <10R: 200, 10R-1M0: 100, >1M0:250 Resistance tolerance % 0.1, 0.25, 0.5, 1, 2, 5 See table of value ranges Ambient temperature range C -55 to 155 EN140401-802 Requirements RR2012M RR3216M Power rating at 70 C watts 0.25 0.125 Resistance rang e ohms 1R5 to 10M 1R5 to 10M Limiting element voltag e volts 100 200 TCR - 55 C t o + 125 C ppm/ C <10R: 200, 10R1M0: 100, >1M0: 200 Resistance t olerance % <10R: 5, 10R1M0: 1, 2, 5, >1M0: 5 See table of value ranges Ambient t emperature r ange C -55 to 155 IECQ-CECC 40401-004 Requirements CR0805 CR1206 Power rating at 70 C watts 0.125 0.25 Resistance range ohms 1R to 10M Limiting element voltage volts 100 200 TCR -55C to +125 C ppm/ C <10 ohms 200: 10 to 1M 100: >1M 200 TCR +20C to +70 C ppm/ C <10 ohms 200: 10 to 1M 50: >1M 100 Resistance tolerance % 0.5, 1, 2, 5 See table of value ranges Ambient temperature range C -55 to +125 IECQ-CECC 40 401-008 Requirements CR0603 CR0805 CR1206 CR2010 CR2512 Power rating at 70 C watts 0.1 0.125 0.25 0.5 1.0 Resistance rang e ohms 1R to 10M 1R to 10M 1R to 1M 1R to 1M Limiting element voltag e volts 75 100 200 400 500 TCR -55C to +155 C ppm/ C <10R: 200, 10R-1M0: 100, >1M0:250 Resistance t olerance % 0.1, 0.25, 0.5, 1, 2, 5 See table of value ranges 0.5, 1, 2, 5 Ambient t emperature r ange C -55 to 155 IECQ-CECC 40401-003 CR0805 CR1206 Requirements Power rating at 70 C watts 0.063 0.125 Resistance rang e ohms 1R to 3M 1R to 5M Limiting element voltag e volts 100 200 TCR - 55 C t o + 125 C ppm/ C <5 ohms 500: 5 to 10 ohms 350: 10 to 3M ohms 100: >3M ohms 250 Resistance t olerance % 0.25, 0.5, 1, 2, 5 See table of value ranges Ambient t emperature r ange C -55 to 125 These tables indicate the EN140401 & CECC40401 specification requirements, and these are met or exceeded by the corresponding CR series products. Values E24 & E96 preferred Any value to order Thermal impedanc e C/watt 800 550 360 290 200 80 70 Mounted on custom designed PCBs Zero-ohm rating A 1 1.5 2 3 Zero-ohm residual resistance m <20 General Note BI Technologies IRC Welwyn TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics own data and is considered accurate at time of going to print. www.ttelectronics.com/resistors TT Electronics plc 04.21Surface Mounted Surface Mounted Resistors Resistors Welwyn Components CR Series Surface Mounted CR Series Resistors Welwyn Components CR Series Physical Data Physical Data Dimensions (mm) & Weight (mg) Dimensions of Standard Styles (mm) & Weight (g) Physical Data Wrap around Wrap around Dimensions of Standard Styles (mm) & Weight (g) Style L W T max C Wt 1 A B Wrap around Style L W T max A B C Wt T Style L W T max A B C Wt C 0503 1.250.1 0.63.1 0.5 Not available 0.200.1 1.5 T 0503 1.250.2 0.63.15 0.5 Not available 0.200.1 0.005 A C A 0503 1.250.2 0.63.15 0.5 Not available 0.200.1 0.005 B C 0603 1.60.1 0.80.1 0.55 0.30.15 0.6 min 0.30.15 2.2 B L C W A L 0805 2.00.2 1.250.15 0.6 0.30.15 0.9 min 0.30.1 0.009 A W 0805 2.00.2 1.250.15 0.6 0.30.15 0.9 min 0.30.1 0.009 T T 0805 2.00.15 1.250.15 0.6 0.30.15 0.9 min 0.30.1 W rap-around terminations4.7 W rap-around terminations 1005 2.50.3 1.250.2 0.7 0.40.15 0.015 Not available (3 faces) 1005 2.50.3 1.250.2 0.7 0.40.15 0.015 Not available (3 faces) L W 1005 2.50.2 1.250.2 0.71206 3.20.2 1.60.Not a2vailable0.7 0.40.2 1.80.40.15 min 0.40.15 6.50.020 L 1206 3.20.2 1.60.2 0.7 0.40.2 1.8 min 0.40.15 0.020 W Planar terminations 2010 5.10.3 2.50.2 0.7 0.60.3 3.0 min N/A 0.036 Alternative styles for 1206 3.20.2 1.60.2 0.7 0.40.2 1.7 min 0.40.15 8.5 surface mounting resistors Planar terminations 2010 5.10.3 2.50.2 0.7 0.60.3 3.0 min N/A 0.036 2512 6.50.3 3.20.2 0.7 0.60.3 4.4 min N/A 0.055 Alternative styles for 2010 5.10.3 2.50.2 0.8 0.60.3 3 min 0.60.25 36 surface mounting resistors 2512 6.50.3 3.20.2 0.7 0.60.3 4.4 min N/A 0.055 This dimension determines the number of conductors which may pass under the surface mounted device. 2512 6.50.3 3.20.2 0.8 0.60.3 4.4min 0.60.25 55 This dimension determines the number of conductors which may pass under the surface mounted device. Construction Solderability Thick film resistor material, overglaze and organic protection Wrap-around terminations have an electroplated nickel barrier are screen printed on a 96% alumina substrate. and solder coating, this ensures excellent leach resistance Construction Solderability properties and solderability. They will withstand immersion in Terminations solder at 260C for 30 seconds. Thick film resistor material, overglaze and organic protection Wrap-around terminations have an electroplated nickel barrier Planar (or single-sided) termination is gold and suitable for are screen printed on a 96% alumina substrate. and solder coating, this ensures excellent leach resistance wire-bonding wrap-around is suitable for soldering. Marking properties and solderability. They will withstand immersion in All relevant information recorded on the primary package or reel. Terminations solder at 260C for 30 seconds. Performance Data Planar (or single-sided) termination is gold and suitable for EN140401-802 IECQ-CECC 40401-008 IECQ-CECC 40401-004 IECQ-CECC 40401-003 Actual wire-bonding wrap-around is suitable for soldering. Marking Requirements Requirements Requirements Requirements Maximum Typical All relevant information recorded on the primary package or reel. Load at rated power: 1000 hours at 70C R% 3M3 2 0.25 1 1 2 2 >3M3 3 Performance Data Shelf life: 12 months at room temp. R% - - - 0.1 0.02 - Derating from rated power at 70 C Zero at 125C Zero at 155 C Zero at 125 C Zero at 125C EN140401-802 IECQ-CECC 40401-008 IECQ-CECC 40401-004 IECQ-CECC 40401-003 Actual Overload R% 0603, 0805:1 0.5 2 1 0.1 1 1206:0.5 Requirements Requirements Requirements Requirements Maximum Typical Dry Heat: 1000 hours at UCT R% 3M3 2 to 10M 1 0.2 1 2 1 Load at rated power: 1000 hours at 70C R% 3M3 2 0.25 >3M3 3 >10M 2 >10M 1 1 1 2 2 Long term damp heat R% 2 2 2 1 0.25 1 >3M3 3 Temperature rapid change R% 0.5 0.5 1 0.25 0.05 0.25 Shelf life: 12 months at room temp. R% - - - 0.1 0.02 - Resistance to solder heat R% 0.25 0.5 0.5 2 0.25 0.05 Derating from rated power at 70 C Zero at 155 C Zero at 1250603:150, 0805:200,C Zero at 125C Voltage pZero at 125Croof volts 0503:100, 0603:300, 284 1206:300, 2010:400, 0805:200, 1206:300 All others: 500 2512:500 Overload R% 0603, 0805:1 0.5 2 1 0.1 1 1206:0.5 Note: An 0.01 ohm addition to be added to the performance of all resistors <10 ohms Dry Heat: 1000 hours at UCT R% 3M3 2 to 10M 1 0.2 1 1 2 Value Ranges (ohms) >3M3 3 >10M 2 >10M 1 Tolerance % Long term damp heat R% 2 2 2 1 0.25 1 Size 5 2 1 0.5 0.25 0.1 Temperature rapid change R% 0.5 0.5 1 0.25 0.05 0.25 0503 1 to 10M 1 to 10M 10 to 10M 100 to 1M N/A N/A 1 to 10M 1 to 10M 1 to 10M 100 to 1M N/A N/A Resistance to solder heat R%0603 0.5 0.5 2 0.25 0.05 0.25 0805 1 to 100M 1 to 50M 1 to 20M 10 to 10M 100 to 1M 100 to 1M 0603:150, 0805:200, Voltage proof volts 0503:100, 0603:300, 1005 1 to 100M 1 to 50M 1 to 20M 10 to 10M 100 to 1M 100 to 1M 284 1206:300, 2010:400, 0805:200, 1206:300 All others: 500 2512:500 1206 1 to 100M 1 to 50M 1 to 25M 10 to 10M 100 to 1M 100 to 1M 2010 1 to 1M 1 to 1M 1 to 1M 10 to 10M 100 to 1M N/A Note: An 0.01 ohm addition to be added to the performance of all resistors <10 ohms 2512 1 to 1M 1 to 1M 1 to 1M 10 to 10M 100 to 1M N/A Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK Value Ranges (ohms) Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info welwyn-tt.com Website: www.welwyn-tt.com Tolerance % Size 5 2 1 0.5 0.25 0.1 0503 1 to 10M 1 to 10M 10 to 10M 100 to 1M N/A N/A 1 to 10M 1 to 10M 1 to 10M 100 to 1M N/A N/A 0603 0805 1 to 100M 1 to 50M 1 to 20M 10 to 10M 100 to 1M 100 to 1M 1005 1 to 100M 1 to 50M 1 to 20M 10 to 10M 100 to 1M 100 to 1M 1206 1 to 100M 1 to 50M 1 to 25M 10 to 10M 100 to 1M 100 to 1M 2010 1 to 1M 1 to 1M 1 to 1M 10 to 10M 100 to 1M N/A 2512 1 to 1M 1 to 1M 1 to 1M 10 to 10M 100 to 1M N/A Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info welwyn-tt.com Website: www.welwyn-tt.com General Note BI Technologies IRC Welwyn TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics own data and is considered accurate at time of going to print. www.ttelectronics.com/resistors TT Electronics plc 04.21