resistors BPR rectangular type metal plate resistors EU features • Power type current detecting resistors • Flame retardant resistors in ceramic case • Automatic insertion for a 5mm pitch between terminals is applicable (26 type, 58 type) • Low inductance • Space saving • Marking: Alpha/numeric marking • Products with lead-free terminations meet EU RoHS requirements dimensions and construction Single Straight Style Single Forming Style Ceramic Case Cement Ceramic Case Cement Resistive Element B Size Code .157±.04 (4.0±1.0) .024±.04 (0.6±1.0) .354±.04 (9.0±1.0) BPR28 .335±.04 (8.5±1.0) .512±.04 (13.0±1.0) .157±.04 (4.0±1.0) .031±.04 (0.8±1.0) .354±.04 (9.0±1.0) BPR38 .512±.04 (13.0±1.0) .551±.04 (14.0±1.0) .031±.04 (0.8±1.0) .354±.04 (9.0±1.0) BPR58 .709±.04 (18.0±1.0) .551±.04 (14.0±1.0) .031±.04 (0.8±1.0) .354±.04 (9.0±1.0) BPR108 .669±.06 (17.0±1.5) 1.02±.06 (26.0±1.5) .031±.04 (0.8±1.0) .787±.04 (20.0±1.0) BPR55 .669±.06 (17.0±1.5) 1.02±.06 (26.0±1.5) .031±.04 (0.8±1.0) .394±.04 (10.0±1.0) BPR77 .787±.07 (20.0±1.8) 1.02±.06 (26.0±1.5) .031±.04 (0.8±1.0) .394±.04 (10.0±1.0) BPR26 A A 8±1mm 5±1mm d 13±1mm P Lead Wire d P Lead Wire Twin Style Cement Ceramic Case P .512±.04 (13.0±1.0) C C C .335±.04 (8.5±1.0) Resistive Element B Dimensions inches (mm) B C d A .197±.04 (5.0±1.0) Resistive Element B Derating Curve C 100 A % Rated Power 80 d 8±1mm 5±1mm P P Lead Wire 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. 60 40 20 0 ordering information New Part # BPR Type For further information on packaging, please refer to Appendix C. 5 8 C Power Rating 2: 2W 3: 3W 5: 5W Lead Wire Diameter 6: ø0.6mm Termination Material C: SnCu 10: 10W 8: ø0.8mm 55: 5W+5W 77: 7W+7W Blank -40 0 160 80 120 70 Ambient Temperature (°C) 40 F Packaging Nil: Straight lead F: Forming FT: Radial taping (BPR26FT, BPR58FT only) 200 240 235 R10 Nominal Resistance 2 significant figures +1 multiplier. “R” indicates decimal on value <10Ω. All values less than 0.1Ω are expressed in mΩ with “L” as decimal. Ex: 20mΩ - 20L Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 150 J Tolerance J: ±5% K: ±10% 1/17/13 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com rectangular type metal plate resistors applications and ratings Part Designation Power Rating BPR26 2W BPR28 2W BPR38 3W Resistance Range T.C.R. (ppm/°C) Max. J: ±5% (E12) K: ±10% (E12) 0.01Ω 0.1Ω - 0.68Ω 0.01Ω - 0.68Ω BPR58 5W 0.01Ω, 0.1Ω - 1.0Ω 0.01Ω - 1.0Ω BPR108 10W ––– 0.05Ω, 0.1Ω - 1.0Ω BPR55 5W+5W 0.05Ω, 0.1Ω 0.22Ω - 0.47Ω 0.03Ω - 0.47Ω ±350* BPR77 7W+7W * Application range: The straight style of 0.018Ω or over Rated Ambient Temperature Operating Temperature Range +70°C -40°C to +200°C standard resistance 38 26, 28 Resistance J: ±5% 0.01 ❍ 0.012 0.015 0.02* 0.022 0.027 0.03* 0.033 0.039 0.04* 0.047 0.05* 0.068 0.082 0.1 ❍ 0.12 ❍ 0.15 ❍ 0.18 ❍ 0.22 ❍ 0.27 ❍ 0.33 ❍ 0.39 ❍ 0.47 ❍ 0.56 ❍ 0.68 ❍ 0.82 1.00 ❍ : Available 58 K: ±10% J: ±5% K: ±10% J: ±5% ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ Blank : Please consult 108 K: ±10% J: ±5% ❍ –– ❍ –– ❍ –– ❍ –– ❍ –– ❍ –– ❍ –– ❍ –– ❍ –– ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ –– : Not available 55 77 K: ±10% J: ±5% K: ±10% J: ±5% K: ±10% –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ –– –– –– * Non standard ❍ ❍ ❍ ❍ –– –– –– –– –– –– E-12 Decade Value –– –– –– environmental applications Performance Characteristics Parameter Resistance T.C.R. Overload (Short time) Resistance to Solder Heat Moisture Resistance Endurance at 70°C High Temperature Exposure Resistance to Solvent Requirement ∆ R% Limit Typical Within regulated — tolerance Within specified — T.C.R. ±2.0% ±1.0% ±2.0% ±1.0% ±5.0% ±3.0% ±5.0% ±3.0% ±3.0% ±2.0% No evidence of damage to protective coating and marking — Test Method 25°C (Measurement position: 10mm under from the case) +25°C/-55°C and +25°C/+125°C (Application range: the straight style of 0.018Ω over) Rated power x 2.5 for 5 seconds (Application range: 0.05Ω & over) 260°C ± 5°C, 10 seconds ± 1 second 40°C ± 2°C, 90 - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle 70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle +125°C, 100 hours After immersing the sample in I.P.A for 60 seconds ± 10 seconds, the resistor surface should be rubbed with absorbent cotton 10 times Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 12/18/12 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 151 resistors BPR