1733 Reader's Spreads pg1-203:document 1/27/09 4:11 PM Page 131 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 Resistive Element B C C 8±1mm 5±1mm d 13±1mm P BPR26 .512±.04 (13.0±1.0) .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) Lead Wire 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) d P Lead Wire Twin Style Ceramic Case Cement P .335±.04 (8.5±1.0) A A Dimensions inches (mm) B C d A .197±.04 (5.0±1.0) Resistive Element B C A 8±1mm 5±1mm d P P Lead Wire 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 10: 10W 55: 5W+5W 77: 7W+7W Lead Wire Diameter 6: ø0.6mm 8: ø0.8mm Blank Termination Material C: SnCu F Packaging Nil: Straight lead F: Forming FT: Radial taping (BPR26FT, BPR58FT only) R10 J 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. Tolerance J: ±5% K: ±10% 7/23/08 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 133 resistors BPR 1733 Reader's Spreads pg1-203:document 1/27/09 4:11 PM Page 132 PMS 300 neg. Black neg. BPR resistors 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 0.01, 0.1Ω - 1.0Ω 0.01Ω - 1.0Ω BPR108 10W ––– 0.05Ω, 0.1Ω - 1.0Ω BPR55 5W+5W BPR77 7W+7W 0.05Ω, 0.1Ω 0.22Ω - 0.47Ω 0.03Ω - 0.47Ω ±350 Rated Ambient Temperature Operating Temperature Range +70°C -40°C to +200°C standard resistance 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 38 26, 28 Resistance 58 108 55 77 J: ±5% K: ±10% J: ±5% K: ±10% J: ±5% K: ±10% J: ±5% K: ±10% J: ±5% K: ±10% J: ±5% K: ±10% ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ –– –– –– –– –– –– –– –– –– –– –– –– ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ : Available Blank : Please consult –– : Not available Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 134 12/30/08 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 1733 Reader's Spreads pg1-203:document 1/27/09 4:11 PM Page 133 rectangular type metal plate resistors environmental applications Derating Curve 100 % Rated Power 80 60 40 20 0 -40 0 160 80 120 70 Ambient Temperature (°C) 40 200 240 235 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 Limit Within regulated tolerance Within specified T.C.R. ±2.0% ±2.0% ±5.0% ±5.0% ±3.0% No evidence of damage to protective coating and marking ∆R Typical 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 0.012Ω over) ±1.0% ±1.0% ±3.0% ±3.0% ±2.0% — Rated power x 2.5 for 5 seconds 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. 12/01/05 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 135 resistors BPR