resistors TLRH metal plate chip type low resistance resistors EU features • SMD Type of small size, low resistance resistor for current detection • Carrier metal plate inside, resistor of high radiation of heat structure (3AW) • High reliability and performance with low T.C.R. • Automatic mounting machines are applicable • Body color: Black protective top coating, 2A: no marking; 3AW 4 digit marking • Products with lead-free terminations meet EU RoHS requirements • AEC-Q200 Qualified dimensions and construction Size Code (Inch) 2A TLRH 2A (0805) L W TLRH 3AW (2512) Sn Plating L .079±.008 (2.00±0.20) .248±.008 (6.30±0.20) Dimensions inches (mm) W d .049±.008 (1.25±0.20) .126±.008 (3.20±0.20) .014±.008 (0.35±0.20) .030±.008 (0.75±0.20) t .010±.006 (0.25±0.15) .020±.008 (0.50±0.20) Inner Electrode t d Resistive Ni Plating Element Protective Coating 3AW L W Sn Plating Inner Electrode t Ni Plating d Protective Resistive Coating Element Carrier Metal Plate Insulation ordering information New Part # TLRH Type 3AW Power Rating 2A: 0.25W 3AW: 2.0W T Terminal Surface Material T: Sn TE Packaging 2A: TD: 7" 4mm pitch punched paper 3AW: TE: 7" punched plastic 33L0 Nominal Resistance ±1%: 4 digits Example 33L0: 33mΩ R100: 100mΩ 2A: no marking F Tolerance F: ±1% For further information on packaging, please refer to Appendix A. Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 62 11/30/14 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com resistors TLRH metal plate chip type low resistance resistors applications and ratings Part Designation Power Rating T.C.R. (x10-6/K) TLRH 2A Resistance Range (Ω) F: ±1% (E12) 0.25W ±75 10m~100m* TLRH 3AW 2.0W ±50 24m~270m ±75 10m~22m Tolerance Rated Terminal Part Temperature F: ±1% +105°C Operating Temperature Range -65°C~+155°C -65°C~+170°C * Contact factory for values other than E12 environmental applications Derating Curve Temperature Rise TLRH 2A 60 40 2A 20 0 -80 -60 -40 -20 -65 0 20 40 60 80 100 120 140 160 180 155 170 105 Terminal Part Temperature (°C) For resistors operated at a terminal part temperature of described for each size or above, a power rating shall be derated in accordance with the derating curve. Please refer to “Introduction of the derating curve based on the terminal part temperature” on the beginning of our catalog before use. 1 2A (100mΩ) 100 3AW 75 50 1 2A (10mΩ) 2 2A (10mΩ) 25 0 2 2A (100mΩ) 0 25 50 75 Resistance T.C.R. Overload (Short time) Resistance to Soldering Heat Rapid Change of Temperature Moisture Resistance Endurance at 105°C and Less of Terminal Part Temperature 100 75 1 3AW 50 2 3AW 1 25 0 100 0 25 50 75 2 100 % Rated Power % Rated Power Regarding the temperature rise, the value of the temperature varies per conditions and board for use since the temperature is measured under our measuring conditions. Please contact factory prior to use. Performance Characteristics Parameter TLRH 3AW Temperature Rise (°C) 80 Temperature Rise (°C) % Rated Power 100 Requirement ∆ R% Limit Typical Within specified — tolerance Within specified — T.C.R. 2A: ±0.01% ±0.5% 3AW: ±0.2% ±0.5% ±0.1% 2A: ±0.2% ±0.5% 3AW: ±0.1% ±0.1% ±0.5% 2A: ±0.2% ±1% 3AW: ±0.3% Test Method 25°C +25°C/+100°C Rated power x 2.5 for 5 seconds 260°C ±5°C, 10 seconds ~ 12 seconds -55°C (15min.)/+150°C (15min.) 1000 cycles 85°C ±2°C, 85% RH, 1000 hours, 10% Bias Terminal Part Temperature: 105°C, 1000 hours, 1.5 hours ON/0.5 hour OFF cycle Low Temperature Exposure ±0.5% 2A: ±0.05% 3AW: ±0.02% -65°C, 96 hours High Temperature Exposure ±1% 2A: ±0.5% 3AW: ±0.2% 2A: +155°C, 1000 hours 3AW: +170°C, 1000 hours Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 11/16/14 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 63