Features High luminus intensity utput Oval Shape Well defined spatial radiatin Wide viewing angle (2θ 1/2 ) : 7 / 4 The prduct itself will remain within RHS cmpliant versin ESD-withstand vltage: up t 4KV Descriptins The series is specially designed fr applicatins requiring higher brightness. The LED lamps are available with different clrs, intensities, epxy clrs, etc. Superir perfrmance in utdr envirnment Applicatins Status indicatrs. Cmmercial use. Advertising Signs. Back lighting. Device Selectin Guide LED Part N. Chip Material Emitted Clr Lens Clr Stpper 6374/R2DA-AJNB/MS N AlGaInP Hyper red Red Diffused 6374/R2DA-AJNB/P/MS Yes Everlight Electrnics C., Ltd. http\\:www.everlight.cm Rev 1 Page: 1 f 7 Device Number : DLE-637-15 Prepared date: 12-13-25 Prepared by: Flrix Chen
Package Dimensins Stpper Type N Stpper Type Ntes: Stpper tlerance is +.2/-.1mm. Other dimensins are in millimeters, tlerance is.25mm except being specified. Prtruded resin under flange is 1.5mm Max LED. Bare cpper ally is expsed at tie-bar prtin after cutting. Everlight Electrnics C., Ltd. http\\:www.everlight.cm Rev 1 Page: 2 f 7 Device Number : DLE-637-15 Prepared date: 12-13-25 Prepared by: Flrix Chen
Abslute Maximum Rating (T a =25 ) Parameter Symbl Abslute Maximum Rating Unit Frward Current I F 5 ma Pulse Frward Current (Duty1/1@ 1KHz) I FP 16 ma Operating Temperature T pr -4 ~ +85 Strage Temperature T stg -4 ~ +1 Electrstatic Discharge ESD 4K V Sldering Temperature T sl 26 ±5 Pwer Dissipatin P d 125 mw Zener Reverse Current Iz 1 ma Ntes: Sldering time 5 secnds. Electr-Optical Characteristics (T a =25 ) Parameter Symbl Min. Typ. Max. Unit Cnditin Luminus Intensity I V 9 1125 mcd Viewing Angle 2θ 1/2 -- X:7Y:4 -- deg Peak Wavelength λ p -- 632 -- Dminant Wavelength λ d -- 624 -- nm I F =2mA Spectrum Half width Δλ -- 2 -- Frward Vltage V F -- 2. 2.6 V Reverse Current I R -- -- 1 μa V R =5V Zener Reverse Vltage Vz 5.2 -- -- V Iz=5mA Rank Cmbinatin (I F =2mA) Rank J K L Luminus Intensity 9~1125 1125~1425 1425~18 *Measurement Uncertainty f Luminus Intensity: ±15% Rank 1 2 3 4 Unit:mcd Frward Vltage 1.8~2. 2.~2.2 2.2~2.4 2.4~2.6 *Measurement Uncertainty f Frward Vltage: ±.1V Unit:V Rank 1 2 3 Dminant Wavelength 618~622 622~626 626~63 *Measurement Uncertainty f Dminant Wavelength ±nm Unit:nm *The quantity rati f the ranks is decided by EVERLIGHT. Everlight Electrnics C., Ltd. http\\:www.everlight.cm Rev 1 Page: 3 f 7 Device Number : DLE-637-15 Prepared date: 12-13-25 Prepared by: Flrix Chen
Typical Electr-Optical Characteristics Curves Relative Intensity vs. Wavelength Frward Current vs. Frward Vltage 5 Relative Intensity(a.u.).8.6.4.2 Frward Current(mA) 4 3 2 1. 45 5 55 6 65 7 Wavelength(nm) 1.5 2. 2.5 3. 3.5 Frward Vltage(V) Relative Luminus Intensity(a.u.) Frward Current(mA) 2. 1.5.5. 25 3 35 4 45 5 55 6 65 7 6 5 4 3 2 1 Relative Intensity vs. Ambient Temp. Ambient Temperature Ta( O C) Frward Current vs. Ambient Temp. Relative Luminsity(a.u.) Relative Luminus Intensity(a.u.).5 2.5 2. 1.5.5 Relative Intensity vs. Frward Current. 1 2 3 4 5 Frward Current(mA) Radiatin Characteristics 9 6 3 X-X Y-Y 1 2 3 4 5 6 7 8 2 4 6 8 1 Ambient Temperature Ta( O C) Radiatin Angle.5 9 Everlight Electrnics C., Ltd. http\\:www.everlight.cm Rev 1 Page: 4 f 7 Device Number : DLE-637-15 Prepared date: 12-13-25 Prepared by: Flrix Chen
Packing Quantity Specificatin 1.5PCS/1Bag,5Bags/1Bx 2.1Bxes/1Cartn Label Frm Specificatin CPN: P/N: EVERLIGHT QTY: LOT NO: CAT: HUE: REF: RHS CPN: Custmer s Prductin Number P/N : Prductin Number QTY: Packing Quantity CAT: Ranks f Luminus and Frward Vltage HUE: Ranks f Dminant Wavelength REF: Reference LOT N: Lt Number MADE IN TAIWAN: Prductin Place MADE IN TAIWAN Everlight Electrnics C., Ltd. http\\:www.everlight.cm Rev 1 Page: 5 f 7 Device Number : DLE-637-15 Prepared date: 12-13-25 Prepared by: Flrix Chen
Ntes 1. Abve specificatin may be changed withut ntice. EVERLIGHT will reserve authrity n material change fr abve specificatin. 2. When using this prduct, please bserve the abslute maximum ratings and the instructins fr using utlined in these specificatin sheets. EVERLIGHT assumes n respnsibility fr any damage resulting frm use f the prduct which des nt cmply with the abslute maximum ratings and the instructins included in these specificatin sheets. 3. These specificatin sheets include materials prtected under cpyright f EVERLIGHT crpratin. Please dn t reprduce r cause anyne t reprduce them withut EVERLIGHT s cnsent. 4. Belw the zener reference vltage Vz, all the current flws thrugh LED and as the vltage rises t Vz, the zener dide breakdwn." If the vltage tries t rise abve Vz current flws thrugh the zener branch t keep the vltage at exactly Vz. 5. When the LED is cnnected using serial circuit, if either piece f LED is n light up but current can t flw thrugh causing thers t light dwn. In new design, the LED is parallel with zener dide. if either piece f LED is n light up but current can flw thrugh causing thers t light up. Everlight Electrnics C., Ltd. http\\:www.everlight.cm Rev 1 Page: 6 f 7 Device Number : DLE-637-15 Prepared date: 12-13-25 Prepared by: Flrix Chen
6. Sldering Cnditin Careful attentin shuld be paid during sldering. When sldering, leave mre then 3mm frm slder jint t case, and sldering beynd the base f the tie bar is recmmended. Aviding applying any stress t the lead frame while the LEDs are at high temperature particularly when sldering. Recmmended sldering cnditins: Hand Sldering DIP Sldering Temp. at tip f irn 4 Max. (3W Max.) Preheat temp. 1 Max. (6 sec Max.) Sldering time 3 sec Max. Bath temp. 265 Max. Distance 3mm Min.(Frm slder jint t case) Bath time. Distance 5 sec Max. 3mm Min. EVERLIGHT ELECTRONICS CO., LTD. Tel: 886-2-2267-2, 2267-9936 Office: N 25, Lane 76, Sec 3, Chung Yang Rd, Fax: 886-2267-6244, 2267-6189, 2267-636 Tucheng, Taipei 236, Taiwan, R.O.C http:\\www.everlight.cm Everlight Electrnics C., Ltd. http\\:www.everlight.cm Rev 1 Page: 7 f 7 Device Number : DLE-637-15 Prepared date: 12-13-25 Prepared by: Flrix Chen