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 • Suitable for reflow soldering • Products with lead-free terminations meet EU RoHS requirements. dimensions and construction Size Code 2A L L TLRH 2A Sn Plating Inner Electrode t d UNDER DEVELOP. TLRH 3AW W TLRH 2H Dimensions inches (mm) W d t .079±.008 (2.00±0.20) .248±.008 (6.30±0.20) .049±.008 (1.25±0.20) .126±.008 (3.20±0.20) .014±.008 (0.35±0.20) .030±.008 (0.75±0.20) .010±.006 (0.25±0.15) .020±.008 (0.50±0.20) .200±.008 (5.00±0.20) .100±.008 (2.50±0.20) .020±.008 (0.50±0.20) .020±.008 (0.50±0.20) 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 T Power Rating 2A: 0.25W 3AW: 2.0W Terminal Surface Material T: Sn TE Packaging 2A: TD: 7" 4mm pitch punched paper 3AW: TE: 7" punched plastic 33L0 Nominal Resistance F: 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. 46 7/20/11 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) Resistance Range (Ω) F: ±1% (E12) TLRH 2A 0.25W ±75 10m~100m TLRH 2H 1.0W ±50 33m~250m TLRH 3AW 2.0W ±50 24m~150m ±75 10m~22m Terminal Temp. Under a Rated Load Operating Temperature Range -65°C~+155°C +105°C and less -65°C~+170°C environmental applications Derating Curve Temperature Rise TLRH 2A 3AW 60 40 2A 20 0 -80 1 2A (100mΩ) 100 Temperature Rise (°C) % Rated Power 80 -60 -40 -20 -65 20 40 60 80 100 120 140 160 180 155 170 105 Terminal Temperature (°C) 0 TLRH 3AW 75 50 1 2A (10mΩ) 2 2A (10mΩ) 25 0 2 2A (100mΩ) 0 25 50 75 100 100 Temperature Rise (°C) 100 75 1 3AW 50 2 3AW 1 25 0 0 % Rated Power 25 50 75 2 100 % Rated Power Performance Characteristics Parameter 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 temperature 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 2A, 3AW: 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 temp.: 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. 1/27/12 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 47