WRM0207

WRM0207C-470RFI ETC2 | Alldatasheet

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Technical content

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. © TT electronics plc 09.13

• High reliability
• Predictable pulse handling capability
• Tolerances down to 0.1%
• TCR down to 5 ppm/°C Dimensions (mm) and weight (g) Type L D D1 K Weight max max max min MELF Resistors WRM Series
• High reliability
• Predictable pulse handling capability
• Tolerances down to 0.1%
• TCR down to 5 ppm/°C General Note Welwyn Components reserves the right to make changes in product specification without notice or liability. All information is subject to Welwyn’s own data and is considered accurate at time of going to print. © 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 WRM 0102 WRM 0204 WRM 0207 4.052.0125.0sttawC°07 ta gnitar rewoP M10 – 22RM5 1 – R22 4R7 - 110Ksmhoegnar ecnatsiseR 052002051stlovegatlov tnemele gnitimiL 0, 1005 ,520, 1005 ,52 ,51 ,505 C°/mppRCT 5 ,2 ,0.1 ,5.0 ,52.01 ,1.0%ecnarelot ecnatsiseR Standard values E24 & E96 041002052W/kecnadepmi lamrehT 521+ ot 55-C°egnar erutarepmet tneibmA 01>smhoecnatsiser noitalusnI 10 Electrical Data Physical Data 01. 11 A subsidiary of TT electronics plc Welwyn Components L KL1 DD1 Construction A metal film is deposited onto a high dissipation ceramic former to which tin plated teminating caps are fitted. The resistor is adjusted to value by a helical cut in the film and the body is protected by a lacquer coating. Marking Resistance values are colour coded with four bands, three indicating value and one indicating the multiplier. (Note this describes standard marking, but certain values may still be supplied with the addition of a tolerance band following the multiplier.) Terminations Material Plated steel cap. Solderability The pure tin finish produces ageing free contacts on which low melting solders can be used. Dipped area shall be covered with a smooth and bright solder coating after 3 seconds immersion at 215°C. Solvent Resistance The body protection and marking are resistant to all normal industrial cleaning solvents suitable for printed circuit boards. ,01 ,51

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. © TT electronics plc 09.13 MELF Resistors WRM Series © 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 01.11 Welwyn Components * Resistors to be mounted on a PC-board according to IEC 115-1, clause 4.27.1 Performance Data Test Results ∆ R/R ± 0204 & 0207: 10R - <75R & >100K - 332K 0102: 4R7 - 110K, 0204 & 0207: R22 - <10R & >332K - 10M0204 & 0207: 75R - 100K Endurance* V/Vµ 3 <V/Vµ 52.0 <V/Vµ 50.0 <esion tnerruC htooms a htiw derevoc eb llahs aera deppiDytilibaredloS and bright solder coating of at least 96% 01 . 5.0 <tneiciffeoc egatloV 6/V foorp egatloV No flashover or breakdown ±25ppm – – 10R – 680K TCR and Tolerance Range * TC 10ppm & 5ppm is specified over the temperature range -10°C to +85°C. ecnareloTRCTepyT Reference ±50ppm 4R7 - 110K– – – – –WRM0102 ±50ppm – – 1R – 5M1 10R – 1M6 22R – 332K 43R – 332K ±100ppm R22 – R91 WRM0204 ±25ppm – – 4R7 - 500K 10R – 500K 22R – 402K 43R – 332K ±15ppm – – – 10R – 221K 22R – 221K 43R – 221K ±05ppm – ––– 100R – 100K 100R – 100K 1R-10M R22 – R91 –±100ppm WRM0207 ±15ppm – –– –– –– 10R - 1M 51R1 - 330K 100R - 100K 100R - 10K51R1 - 10K51R1 - 10K

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. © TT electronics plc 09.13 MELF Resistors WRM Series © 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 01.11 Welwyn Components 100 0,1 10 µs 100 µs 1 ms 10 ms 100 ms 1 s 10 s Pulse Duration ti Pulse Load Pmax WRM 0102 WRM 0204 WRM 0207 W 100 0,1 10 µs 100 µs 1 ms 10 ms 100 ms 1 s 10 s Pulse Duration ti Continuous Pulse Load Pmax WRM 0102 WRM 0204 WRM 0207 W Single Pulse Maximum Pulse Load Continuous Pulses Maximum Pulse Load Type WRM 0204 C - 1K0 F I Size TCR Value (use IEC62 code) Note: F or zero-ohm versions order WRM0204C-R00FI or WRM0207C-R00FI Tolerance (use IEC62 code) Packing C 50ppm/ºC T 10ppm/ºC D 25ppm/ºC V 5ppm/ºC Y 15ppm/ºCZ 100ppm/ºC B 0.1% D 0.5% G 2% C 0.25% F 1% J 5% 0102 3000 / reel (7”) I Tape 0204 3000 / reel (7”)* Standard 0207 1500 / reel (7”) Ordering Procedure Example: WRM0204 at 1 kilohm, 1% tolerance and 50ppm/ºC TCR on a reel of 3000 pieces - * High precision parts may be supplied on 1000 piece reels – please enquire Packaging The WRM 0102 and 0204 resistors are supplied reeled on 8mm blister tape. WRM 0207 resistors are supplied on 12mm blister tape. Packaging complies with the requirements of IEC 286-3. MELF Resistors WRM Series © 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 01.11 Welwyn Components 100 0,1 10 µs 100 µs 1 ms 10 ms 100 ms 1 s 10 s Pulse Duration ti Pulse Load Pmax WRM 0102 WRM 0204 WRM 0207 W 100 0,1 10 µs 100 µs 1 ms 10 ms 100 ms 1 s 10 s Pulse Duration ti Continuous Pulse Load Pmax WRM 0102 WRM 0204 WRM 0207 W Single Pulse Maximum Pulse Load Continuous Pulses Maximum Pulse Load Type WRM 0204 C - 1K0 F I Size TCR Value (use IEC62 code) Note: F or zero-ohm versions order WRM0204C-R00FI or WRM0207C-R00FI Tolerance (use IEC62 code) Packing C 50ppm/ºC T 10ppm/ºC D 25ppm/ºC V 5ppm/ºC Y 15ppm/ºCZ 100ppm/ºC B 0.1% D 0.5% G 2% C 0.25% F 1% J 5% 0102 3000 / reel (7”) I Tape 0204 3000 / reel (7”)* Standard 0207 1500 / reel (7”) Ordering Procedure Example: WRM0204 at 1 kilohm, 1% tolerance and 50ppm/ºC TCR on a reel of 3000 pieces - * High precision parts may be supplied on 1000 piece reels – please enquire Packaging The WRM 0102 and 0204 resistors are supplied reeled on 8mm blister tape. WRM 0207 resistors are supplied on 12mm blister tape. Packaging complies with the requirements of IEC 286-3. MELF Resistors WRM Series © 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 01.11 Welwyn Components 100 0,1 10 µs 100 µs 1 ms 10 ms 100 ms 1 s 10 s Pulse Duration ti Pulse Load Pmax WRM 0102 WRM 0204 WRM 0207 W 100 0,1 10 µs 100 µs 1 ms 10 ms 100 ms 1 s 10 s Pulse Duration ti Continuous Pulse Load Pmax WRM 0102 WRM 0204 WRM 0207 W Single Pulse Maximum Pulse Load Continuous Pulses Maximum Pulse Load Type WRM 0204 C - 1K0 F I Size TCR Value (use IEC62 code) Note: F or zero-ohm versions order WRM0204C-R00FI or WRM0207C-R00FI Tolerance (use IEC62 code) Packing C 50ppm/ºC T 10ppm/ºC D 25ppm/ºC V 5ppm/ºC Y 15ppm/ºCZ 100ppm/ºC B 0.1% D 0.5% G 2% C 0.25% F 1% J 5% 0102 3000 / reel (7”) I Tape 0204 3000 / reel (7”)* Standard 0207 1500 / reel (7”) Ordering Procedure Example: WRM0204 at 1 kilohm, 1% tolerance and 50ppm/ºC TCR on a reel of 3000 pieces - * High precision parts may be supplied on 1000 piece reels – please enquire Packaging The WRM 0102 and 0204 resistors are supplied reeled on 8mm blister tape. WRM 0207 resistors are supplied on 12mm blister tape. Packaging complies with the requirements of IEC 286-3. MELF Resistors WRM Series © 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 01.11 Welwyn Components 100 0,1 10 µs 100 µs 1 ms 10 ms 100 ms 1 s 10 s Pulse Duration ti Pulse Load Pmax WRM 0102 WRM 0204 WRM 0207 W 100 0,1 10 µs 100 µs 1 ms 10 ms 100 ms 1 s 10 s Pulse Duration ti Continuous Pulse Load Pmax WRM 0102 WRM 0204 WRM 0207 W Single Pulse Maximum Pulse Load Continuous Pulses Maximum Pulse Load Type WRM 0204 C - 1K0 F I Size TCR Value (use IEC62 code) Note: F or zero-ohm versions order WRM0204C-R00FI or WRM0207C-R00FI Tolerance (use IEC62 code) Packing C 50ppm/ºC T 10ppm/ºC D 25ppm/ºC V 5ppm/ºC Y 15ppm/ºCZ 100ppm/ºC B 0.1% D 0.5% G 2% C 0.25% F 1% J 5% 0102 3000 / reel (7”) I Tape 0204 3000 / reel (7”)* Standard 0207 1500 / reel (7”) Ordering Procedure Example: WRM0204 at 1 kilohm, 1% tolerance and 50ppm/ºC TCR on a reel of 3000 pieces - * High precision parts may be supplied on 1000 piece reels – please enquire Packaging The WRM 0102 and 0204 resistors are supplied reeled on 8mm blister tape. WRM 0207 resistors are supplied on 12mm blister tape. Packaging complies with the requirements of IEC 286-3.