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参数资料
| 型号： | IR91-21C/TR7 |
| 厂商： | EVERLIGHT ELECTRONICS CO LTD |
| 元件分类： | 红外LED |
| 英文描述： | 1.9 mm, 1 ELEMENT, INFRARED LED, 940 nm |
| 封装： | ROHS COMPLIANT, MINIATURE, PLASTIC, SMD, 2 PIN |
| 文件页数： | 7/10页 |
| 文件大小： | 207K |
| 代理商： | IR91-21C/TR7 |
Everlight Electronics Co., Ltd.
http:\\www.everlight.com
Rev 2
Page: 6 of 10
Device No：DTR-091-005
Prepared date：04-11-2007
Prepared by：JAINETSAI
IR91-21C/TR7
Precautions For Use
1. Over-current-proof
Customer must apply resistors for protection , otherwise slight voltage shift will cause big
current change ( Burn out will happen ).
2. Storage
2.1 Do not open moisture proof bag before the products are ready to use.
2.2 Before opening the package, the LEDs should be kept at 30℃ or less and 90%RH or less.
2.3 The LEDs should be used within a year.
2.4 After opening the package, the LEDs should be kept at 30℃ or less and 70%RH or less.
2.5 The LEDs should be used within 168 hours (7 days) after opening the package.
2.6 If the moisture absorbent material (silica gel) has faded away or the LEDs have exceeded the
storage time, baking treatment should be performed using the following conditions.
Baking treatment : 60±5℃ for 24 hours.
3. Soldering Condition
3.1 Pb-free solder temperature profile
3.2 Reflow soldering should not be done more than two times.
3.3 When soldering, do not put stress on the LEDs during heating.
3.4 After soldering, do not warp the circuit board.
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