PT91-21B/TR7 Everlight Electronics Co Ltd, PT91-21B/TR7 Datasheet - Page 6

• Manufacturer Part Number: PT91-21B/TR7
• Description: PHOTOTRANS 1.9MM RND BLACK GWING
• Manufacturer: Everlight Electronics Co Ltd

Specifications of PT91-21B/TR7

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 1080-1393-2

Precautions For Use
1. Over-current-proof
2. Storage
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.
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
Everlight Electronics Co., Ltd.
Device No
Customer must apply resistors for protection , otherwise slight voltage shift will cause big
current change ( Burn out will happen ).
storage time, baking treatment should be performed using the following conditions.
Baking treatment : 60±5℃ for 24 hours.
：
D TT-091-003
Prepared date
http://www.everlight.com
：
0 7-18-2008
Prepared by
Rev 3
PT91-21B/TR7
：
D aniel Yang
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