resistors TLR metal plate current sense resistor EU features • Ultra-low TCR (+75ppm/°C) available • Metal alloy: superior corrosion and heat resistance • Applications include current sensing, voltage division and pulse applications • Ultra low resistance (1mΩ - 20mΩ) • Products with lead-free terminations meet EU RoHS and China RoHS requirements • AEC-Q200 Qualified dimensions and construction Size Code L Protective Coating (3A, 3AW: 1mΩ only) W Resistive Element TLR2B Termination Solder t d Protective Coating Resistance 2m,3m,4m,5m,6m, 7m,8m,9m,10m,11m, 12m,13m,15m, 16m,18m,20m L Dimensions inches (mm) W d .126±.008 .063±.008 .020±.008 .024±.008 (3.20±0.20) (1.60±0.20) (0.50±0.20) (0.60±0.20) .071±.008 .026±.008 (1.80±0.20) (0.65±0.20) 1mΩ d TLR2H 2mΩ - 6mΩ 7mΩ - 10mΩ 1mΩ W .200±.008 .100±.008 .060±.008 (5.00±0.20) (2.50±0.20) (1.50±0.20) .024±.008 .020±.008 (0.60±0.20) (0.50±0.20) .087±.01 (2.20±0.25) .047±.01 .25±.01 .125±.01 (1.20±0.25) .024±.01 (6.35±0.25) (3.18±0.25) .073±.01 (0.62±0.25) (1.85±0.25) 2mΩ TLR3A 3mΩ .047±.01 (1.20±0.25) 4mΩ 1mΩ - 4mΩ TLR3AW t 5mΩ - 8mΩ .087±.01 (2.20±0.25) .25±.01 .125±.01 .047±.01 .024±.01 (6.35±0.25) (3.18±0.25) (1.20±0.25) (0.60±0.25) .030±.01 (0.77±0.25) 9mΩ, 10mΩ ordering information New Part # TLR Type 3A D Power Rating 2B: 0.5W 2H: 1W 3A: 1W 3AW: 2W Termination Material D: SnAgCu For further information on packaging, please refer to Appendix A. TE Packaging TE: 7" 8mm pitch embossed plastic (3A, 3AW) TE: 7" 4mm pitch embossed plastic (2H only) TD: 4mm pitch punched paper (2B only) 2L00 Nominal Resistance F: 4 digits Ex: 2L00: 2mΩ F 75 Tolerance T.C.R. F: ±1% 75ppm/°C Nil: 100ppm/°C Nil: 150ppm/°C Nil: 200ppm/°C Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 46 12/17/12 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com metal plate current sense resistor applications and ratings Part Designation Power Rating @ 70°C T.C.R. (ppm/°C) Max.** Standard Resistance (Ω) Resistance Tolerance Rated Ambient Temperature Terminal Temperature Operating Temperature Range TLR2B 1/2W (.5W) ±75 2m,3m,4m,5m,6m,7m, 8m,9m,10m,11m,12m, 13m,15m,16m,18m,20m F: ±1% +70°C –– -65°C to +155°C TLR2H 1W ±75 1m,2m,3m,4m,5m, 6m,7m,8m,9m,10m F: ±1% +70°C –– -65°C to +155°C TLR3A 1W ±150 ±200 F: ±1% +70°C –– -65°C to +170°C TLR3AW 2W +70°C –– -65°C to +155°C ±75 ±150 * 1mΩ, 2mΩ: Please contact factory for availability 1m, 2m 3m, 4m *3m,4m,5m 6m,7m,8m,9m,10m 1m, 2m*** F: ±1% F: ±1% ** Please contact factory for T.C.R.: ±50ppm/°C *** Contact factory for values less than 1mΩ environmental applications Derating Curve Temperature Rise TLR2B/2H/3A/3AW TLR2B/2H 8mΩ 100 TLR3A/3AW 4mΩ 125 125 1 3AW 3A 60 40 20 0 -80 2B, 2H, 3AW -60 -40 -20 -65 20 40 60 80 100 120 140 180 70 155 170 Ambient Temperature (°C) 0 For resistors operated at an ambient temperature of 70°C or above, a power rating shall be derated in accordance with the above derating curve. 1 2H 75 1 2B 50 2 2H 2 2B 25 0 0 25 50 75 100 % Rated Power 100 Temperature Rise (°C) 100 Temperature Rise (°C) % Rated Power 80 75 1 3A 2 3AW 50 2 3A 25 0 0 25 50 75 100 1 Hot Spot % Rated Power 2 Solder Joint 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. Performance Characteristics Parameter Resistance T.C.R. Resistance to Solder Heat Rapid Change of Temperature Moisture Resistance Biased Humidity Endurance at 70°C High Temperature Exposure Requirement ∆ R ±% Limit Typical Within regulated — tolerance Within specified — T.C.R. ±0.5% ±0.3% ±0.5% ±0.4% ±0.5% ±0.1% ±0.5% ±0.1% ±1.0% ±0.3% ±1.0% ±0.6% Test Method 25°C +25°C/+100°C 260°C ± 5°C, 10 ~ 12 seconds -55°C (15 minutes), +150°C (15 minutes), 1000 cycles MIL-STD-202, Method 106, 0% power, 7a and 7b not required 85°C ± 2°C, 85% RH, 1000 hours, 10% bias 70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle ±155°C (2B, 2H, 3AW), ±170°C (3A), 1000 hours Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 12/17/12 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 47 resistors TLR