WA80 TTELEC | Alldatasheet
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Surface mount ZI-form option Flameproof protection Can replace carbon comp. in many applications Resistance values down to 0.01 ohms Ideal for pulse handling applications General Purpose Cement Coated Wirewound Resistors WA80 Series Dimensions (mm) and Weight (g) PCB Min mounting bend Wt (Note 1) (Note 2) Note 1: 5.4 for values 0R1 Note 2: 7.2 for values 0R1 General Purpose Cement Coated Wirewound Resistors WA80 Series Cost effective Flameproof protection Can replace carbon comp. in many applications Resistance values down to 0.01 ohms Ideal for pulse handling applications 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 WA82 WA83 WA835 WA84 WA85 Power rating at 25°c watt s 1 2.0 2.5 3.0 5 Resistance range ohms 0R068 to 430R 0R05 to 900R 0R05 to 900R 0R01 to 2K2 0R015 to 6K8 Limiting element voltage volts 50 50 75 100 150 Isolation voltage volts 250 250 250 350 500 1<C°/mppRCT Ω 1>053: Ω:200 01 ,5 :R02<%ecnarelot ecnatsiseR ≥20R: 1, 2, 5, 10 Values E24 preferred Thermal impedance °C/wat t 140 110 90 82 54 200 ot 55 -C°egnar erutarepmet tneibmA Electrical Data Physical Data 07.11 A subsidiary of TT electronics plc Welwyn Components LD f d Construction A high quality ceramic substrate is assembled with interference fit end caps to which are welded the termination wires. The resistive element is wound on the substrate and welded to the caps. Cement protection is applied to the resistor body before marking with indelible ink. Terminations Material Hot tin dipped copper wire Strength The terminations meet requirements of IEC 68.2.21. Solderability The terminations meet the requirements of IEC 115-1, Clause 4.17.3.2. ≥ ≥ All Pb-free parts comply with EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3)All Pb-free parts comply with EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3) 10.24 General Note 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 www.ttelectronics.com/resistors BI Technologies IRC Welwyn
Coated Wirewound Resistors Ordering Procedure Example: WA83-470RJI (WA83, 470 ohms ±5%, Pb-free) W A A 8 3 - 4 7 0 R J I 1 2 3 4 Type Value Tolerance Packing WA82 E24 = 3/4 characters F = ±1% I Ammo WA82 5000/box WA83 R = ohms G = ±2% WA83 2500/box WA835 K = kilohms J = ±5% WA835 1500/box WA84 K = ±10% WA84 1000/box WA85 Tape WA85 750/reel 1 2 3 4 10.24 General Note 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 www.ttelectronics.com/resistors BI Technologies IRC Welwyn