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EXB2HV472JX Datasheet(PDF) 5 Page - Panasonic Semiconductor |
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EXB2HV472JX Datasheet(HTML) 5 Page - Panasonic Semiconductor |
5 / 6 page Chip Resistor Array Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. Preheating Peak Heating Time b b dd d d dd d cc c c c c a f f a b d b cc dd Temperature Time Preheating 140 °C to 160 °C 60 s to 120 s Main heating Above 200 °C 30 s to 40 s Peak 235 ± 5 °C max. 10 s Temperature Time Preheating 150 °C to 180 °C 60 s to 120 s Main heating Above 230 °C 30 s to 40 s Peak max. 260 °C max. 10 s ■ Recommended Soldering Conditions Recommendations and precautions are described below. ● Recommended soldering conditions for reflow For soldering (Example : Sn/Pb) For lead-free soldering (Example : Sn/Ag/Cu) Safety Precautions ·We do not recommend flow soldering, because a solder bridge may form. ● Flow soldering Type Dimensions Unit (mm) abcd f 28V 0.40 0.525 0.25 0.25 1.40 N8V 0.45 to 0.50 0.35 to 0.38 0.25 0.25 1.40 to 2.00 Type Dimensions Unit (mm) abcd f 2HV 1.00 0.425 0.25 0.25 2.00 (Not to scale) (Not to scale) The following are precautions for individual products. Please also refer to the precautions common to Fixed Resistors shown on page ER3 of this catalog. 1. Take measures against mechanical stress during and after mounting of Chip Resistor Array (hereafter called the resistors) so as not to damage their electrodes and protective coatings. Be careful not to misplace the resistors on the land patterns. Otherwise, solder bridging may occur. 2. If a transient load (heavy load in a short time) like a pulse is expected to be applied, check and evaluate the operations of the resistors when installed in your products before use. Never exceed the rated power. Otherwise, the performance and/or reliability of the resistors may be impaired. 3. Do not use halogen-based or other high-activity flux. Otherwise, the residue may impair the resistors' performance and/or reliability. 4. When soldering with a soldering iron, never touch the resistors' bodies with the tip of the soldering iron. When using a soldering iron with a high temperature tip, finish soldering as quickly as possible (within three seconds at 350 °C max.). 5. As the amount of applied solder becomes larger, the mechanical stress applied to the resistors increases, causing problems such as cracks and faulty characteristics. Avoid applying an excessive amounts of solder. 6. Do not apply shock to the resistors or pinch them with a hard tool (e.g. pliers and tweezers). Otherwise, the resistors' protective coatings and bodies may be chipped, affecting their performance. 7. Avoid excessive bending of printed circuit boards in order to protect the resistors from abnormal stress. · Reflow soldering shall be performed a maximum of two times. · Please contact us for additional information when used in conditions other than those specified. · Please measure the temperature of the terminals and study every kind of solder and printed circuit board for solderability before actual use. Mar. 2005 |
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