If you are wondering what the black dots on the top of the Dialight 599 SMD LED indicate in the image below, and how to identify the polarity of the part, please refer to the answers provided below.
- The anode and cathode polarity markings can only be identified from the bottom of the LED. (As shown in the datasheet)
-
According to the supplier’s explanation, the black dot area is a solder‑resistant region. This area protects the copper traces and provides electrical insulation.
For more details, please refer to the document attached.
599-1AXX-147F 0402 SMD LED notes.pdf (176.3 KB)
Applicable Part Numbers
| DigiKey Part Number | Manufacturer Part Number |
|---|---|
| 350-599-0410-127FTR-ND,350-599-0410-127FCT-ND,350-599-0410-127FDKR-ND | 599-0410-127F |
| 350-4349-2-ND,350-4349-1-ND,350-4349-6-ND | 5990040007F |
| 350-4346-2-ND,350-4346-1-ND,350-4346-6-ND | 5990010007F |
| 350-4353-2-ND,350-4353-1-ND,350-4353-6-ND | 5990110007F |
| 350-4356-2-ND,350-4356-1-ND,350-4356-6-ND | 5990140007F |
| 350-4361-2-ND,350-4361-1-ND,350-4361-6-ND | 5990220007F |
| 350-4347-2-ND,350-4347-1-ND,350-4347-6-ND | 5990020007F |
| 350-4364-2-ND,350-4364-1-ND,350-4364-6-ND | 5990260007F |
| 350-4363-2-ND,350-4363-1-ND,350-4363-6-ND | 5990240007F |
| 350-4348-2-ND,350-4348-1-ND,350-4348-6-ND | 5990030007F |
| 350-5991A90147FTR-ND,350-5991A90147FCT-ND,350-5991A90147FDKR-ND | 5991A90147F |
| 350-4355-2-ND,350-4355-1-ND,350-4355-6-ND | 5990130007F |
| 350-5990010137FTR-ND,350-5990010137FCT-ND,350-5990010137FDKR-ND | 5990010137F |
| 350-5991A10147FTR-ND,350-5991A10147FCT-ND,350-5991A10147FDKR-ND | 5991A10147F |
| 350-5990090137FTR-ND,350-5990090137FCT-ND,350-5990090137FDKR-ND | 5990090137F |
| 350-5991A80147FTR-ND,350-5991A80147FCT-ND,350-5991A80147FDKR-ND | 5991A80147F |
| 350-5990080137FTR-ND,350-5990080137FCT-ND,350-5990080137FDKR-ND | 5990080137F |
| 350-599-0460-127FTR-ND,350-599-0460-127FCT-ND,350-599-0460-127FDKR-ND | 599-0460-127F |
| 350-4352-2-ND,350-4352-1-ND,350-4352-6-ND | 5990091007F |
| 350-4359-2-ND,350-4359-1-ND,350-4359-6-ND | 5990191007F |
| 350-599-0440-127FTR-ND,350-599-0440-127FCT-ND,350-599-0440-127FDKR-ND | 599-0440-127F |
| 350-4366-2-ND,350-4366-1-ND,350-4366-6-ND | 5990291007F |
| 350-4351-2-ND,350-4351-1-ND,350-4351-6-ND | 5990081007F |
| 350-4358-2-ND,350-4358-1-ND,350-4358-6-ND | 5990181007F |
| 350-4365-2-ND,350-4365-1-ND,350-4365-6-ND | 5990281007F |
| 350-4350-2-ND,350-4350-1-ND,350-4350-6-ND | 5990060007F |
| 350-4357-2-ND,350-4357-1-ND,350-4357-6-ND | 5990160007F |
| 350-4354-2-ND,350-4354-1-ND,350-4354-6-ND | 5990120007F |
| 350-4362-2-ND,350-4362-1-ND,350-4362-6-ND | 5990230007F |
| 350-599-0411-127FTR-ND,350-599-0411-127FCT-ND,350-599-0411-127FDKR-ND | 599-0411-127F |
| 350-599-0461-127FTR-ND,350-599-0461-127FCT-ND,350-599-0461-127FDKR-ND | 599-0461-127F |
| 350-599-0490-127FTR-ND,350-599-0490-127FCT-ND,350-599-0490-127FDKR-ND | 599-0490-127F |
| 350-599-0480-127FTR-ND,350-599-0480-127FCT-ND,350-599-0480-127FDKR-ND | 599-0480-127F |
| 350-5991090147FTR-ND,350-5991090147FCT-ND,350-5991090147FDKR-ND | 5991090147F |
| 350-5990140137FTR-ND,350-5990140137FCT-ND,350-5990140137FDKR-ND | 5990140137F |
| 350-5991160147FTR-ND,350-5991160147FDKR-ND,350-5991160147FCT-ND | 5991160147F |
| 350-5990160137FTR-ND,350-5990160137FCT-ND,350-5990160137FDKR-ND | 5990160137F |
| 350-5991040147FTR-ND,350-5991040147FCT-ND,350-5991040147FDKR-ND | 5991040147F |
| 350-5991030147FTR-ND,350-5991030147FCT-ND,350-5991030147FDKR-ND | 5991030147F |
| 350-5991060147FTR-ND,350-5991060147FCT-ND,350-5991060147FDKR-ND | 5991060147F |
| 350-5991140147FTR-ND,350-5991140147FCT-ND,350-5991140147FDKR-ND | 5991140147F |
| 350-5990130137FTR-ND,350-5990130137FCT-ND,350-5990130137FDKR-ND | 5990130137F |
| 350-5991130147FTR-ND,350-5991130147FCT-ND,350-5991130147FDKR-ND | 5991130147F |
| 350-5990110137FTR-ND,350-5990110137FCT-ND,350-5990110137FDKR-ND | 5990110137F |
| 350-5991110147FTR-ND,350-5991110147FCT-ND,350-5991110147FDKR-ND | 5991110147F |
| 350-5991080147FTR-ND,350-5991080147FCT-ND,350-5991080147FDKR-ND | 5991080147F |
| 350-5991010147FTR-ND,350-5991010147FCT-ND,350-5991010147FDKR-ND | 5991010147F |
| 350-5990R60137FTR-ND,350-5990R60137FCT-ND,350-5990R60137FDKR-ND | 5990R60137F |
| 350-5990R30137FTR-ND,350-5990R30137FCT-ND,350-5990R30137FDKR-ND | 5990R30137F |
| 350-5990R10137FTR-ND,350-5990R10137FCT-ND,350-5990R10137FDKR-ND | 5990R10137F |
| 350-5990P60137FTR-ND,350-5990P60137FCT-ND,350-5990P60137FDKR-ND | 5990P60137F |
| 350-5990R40137FTR-ND,350-5990R40137FCT-ND,350-5990R40137FDKR-ND | 5990R40137F |
| 350-5990P40137FTR-ND,350-5990P40137FCT-ND,350-5990P40137FDKR-ND | 5990P40137F |
| 350-5990P30137FTR-ND,350-5990P30137FCT-ND,350-5990P30137FDKR-ND | 5990P30137F |
| 350-5990P10137FTR-ND,350-5990P10137FCT-ND,350-5990P10137FDKR-ND | 5990P10137F |
| 350-5990P20137FTR-ND,350-5990P20137FCT-ND,350-5990P20137FDKR-ND | 5990P20137F |
| 350-5990190137FTR-ND,350-5990190137FCT-ND,350-5990190137FDKR-ND | 5990190137F |
| 350-5991A60147FTR-ND,350-5991A60147FCT-ND,350-5991A60147FDKR-ND | 5991A60147F |
| 350-5992100147FTR-ND,350-5992100147FCT-ND,350-5992100147FDKR-ND | 5992100147F |
| 350-5991190147FTR-ND,350-5991190147FCT-ND,350-5991190147FDKR-ND | 5991190147F |
| 350-5992000147FTR-ND,350-5992000147FCT-ND,350-5992000147FDKR-ND | 5992000147F |
| 350-5990Q60137FTR-ND,350-5990Q60137FCT-ND,350-5990Q60137FDKR-ND | 5990Q60137F |
| 350-5990Q10137FTR-ND,350-5990Q10137FCT-ND,350-5990Q10137FDKR-ND | 5990Q10137F |
| 350-5990Q30137FTR-ND,350-5990Q30137FCT-ND,350-5990Q30137FDKR-ND | 5990Q30137F |
| 350-5990R90137FTR-ND,350-5990R90137FCT-ND,350-5990R90137FDKR-ND | 5990R90137F |
| 350-5990Q40137FTR-ND,350-5990Q40137FCT-ND,350-5990Q40137FDKR-ND | 5990Q40137F |
| 350-5990P90137FTR-ND,350-5990P90137FCT-ND,350-5990P90137FDKR-ND | 5990P90137F |
| 350-5991180147FTR-ND,350-5991180147FCT-ND,350-5991180147FDKR-ND | 5991180147F |
| 350-5990030137FTR-ND,350-5990030137FCT-ND,350-5990030137FDKR-ND | 5990030137F |
| 350-5990040137FTR-ND,350-5990040137FCT-ND,350-5990040137FDKR-ND | 5990040137F |
| 350-5991A40147FTR-ND,350-5991A40147FCT-ND,350-5991A40147FDKR-ND | 5991A40147F |
| 350-5990Q90137FTR-ND,350-5990Q90137FCT-ND,350-5990Q90137FDKR-ND | 5990Q90137F |
| 350-5992100137FTR-ND,350-5992100137FCT-ND,350-5992100137FDKR-ND | 5992100137F |
| 350-5990180137FTR-ND,350-5990180137FCT-ND,350-5990180137FDKR-ND | 5990180137F |
| 350-5992P00137FTR-ND,350-5992P00137FCT-ND,350-5992P00137FDKR-ND | 5992P00137F |
| 350-5990P80137FTR-ND,350-5990P80137FCT-ND,350-5990P80137FDKR-ND | 5990P80137F |
| 350-5991A30147FTR-ND,350-5991A30147FCT-ND,350-5991A30147FDKR-ND | 5991A30147F |
| 350-5990Q80137FTR-ND,350-5990Q80137FCT-ND,350-5990Q80137FDKR-ND | 5990Q80137F |
| 350-5990R80137FTR-ND,350-5990R80137FCT-ND,350-5990R80137FDKR-ND | 5990R80137F |
| 350-5990060137FTR-ND,350-5990060137FCT-ND,350-5990060137FDKR-ND | 5990060137F |
| 350-5992Q00137FTR-ND,350-5992Q00137FCT-ND,350-5992Q00137FDKR-ND | 5992Q00137F |
| 350-5992R00137FTR-ND,350-5992R00137FCT-ND,350-5992R00137FDKR-ND | 5992R00137F |
| 350-5990720147FTR-ND,350-5990720147FCT-ND,350-5990720147FDKR-ND | 5990720147F |
| 350-5990760147FTR-ND,350-5990760147FCT-ND,350-5990760147FDKR-ND | 5990760147F |
| 350-5990740147FTR-ND,350-5990740147FCT-ND,350-5990740147FDKR-ND | 5990740147F |
| 350-5990710147FTR-ND,350-5990710147FCT-ND,350-5990710147FDKR-ND | 5990710147F |
| 350-5991T40247FTR-ND,350-5991T40247FCT-ND,350-5991T40247FDKR-ND | 5991T40247F |
| 350-5990780147FTR-ND,350-5990780147FCT-ND,350-5990780147FDKR-ND | 5990780147F |
| 350-5990790147FTR-ND,350-5990790147FCT-ND,350-5990790147FDKR-ND | 5990790147F |
| 350-5991T30247FTR-ND,350-5991T30247FCT-ND,350-5991T30247FDKR-ND | 5991T30247F |
| 350-5991T70247FTR-ND,350-5991T70247FCT-ND,350-5991T70247FDKR-ND | 5991T70247F |
| 350-5990Q30247FTR-ND,350-5990Q30247FCT-ND,350-5990Q30247FDKR-ND | 5990Q30247F |
| 350-5990K90107FTR-ND,350-5990K90107FCT-ND,350-5990K90107FDKR-ND | 5990K90107F |
| 350-5992000137FTR-ND,350-5992000137FCT-ND,350-5992000137FDKR-ND | 5992000137F |
| 350-5991T00247FTR-ND,350-5991T00247FCT-ND,350-5991T00247FDKR-ND | 5991T00247F |
| 350-5991T10247FTR-ND,350-5991T10247FCT-ND,350-5991T10247FDKR-ND | 5991T10247F |
| 350-5990Q40247FTR-ND,350-5990Q40247FCT-ND,350-5990Q40247FDKR-ND | 5990Q40247F |
| 350-5990Q80247FTR-ND,350-5990Q80247FCT-ND,350-5990Q80247FDKR-ND | 5990Q80247F |
| 350-5990Q70247FTR-ND,350-5990Q70247FCT-ND,350-5990Q70247FDKR-ND | 5990Q70247F |
| 350-5990K20107FTR-ND,350-5990K20107FCT-ND,350-5990K20107FDKR-ND | 5990K20107F |
| 350-5990K40107FTR-ND,350-5990K40107FCT-ND,350-5990K40107FDKR-ND | 5990K40107F |
| 350-5990K60107FTR-ND,350-5990K60107FCT-ND,350-5990K60107FDKR-ND | 5990K60107F |
| 350-5990K10107FTR-ND,350-5990K10107FCT-ND,350-5990K10107FDKR-ND | 5990K10107F |
| 350-5990K80107FTR-ND,350-5990K80107FCT-ND,350-5990K80107FDKR-ND | 5990K80107F |
| 350-4360-2-ND,350-4360-1-ND,350-4360-6-ND | 5990210007F |
| 350-5990Q10147FTR-ND,350-5990Q10147FCT-ND,350-5990Q10147FDKR-ND | 5990Q10147F |
| 350-5990Q60147FTR-ND,350-5990Q60147FCT-ND,350-5990Q60147FDKR-ND | 5990Q60147F |
| 350-5990Q40147FTR-ND,350-5990Q40147FCT-ND,350-5990Q40147FDKR-ND | 5990Q40147F |
| 350-5990Q30147FTR-ND,350-5990Q30147FCT-ND,350-5990Q30147FDKR-ND | 5990Q30147F |
| 350-5990050227FTR-ND,350-5990050227FCT-ND,350-5990050227FDKR-ND | 5990050227F |
| 350-5990040227FTR-ND,350-5990040227FCT-ND,350-5990040227FDKR-ND | 5990040227F |
| 350-5990H90147FTR-ND,350-5990H90147FCT-ND,350-5990H90147FDKR-ND | 5990H90147F |
| 350-5990070227FTR-ND,350-5990070227FCT-ND,350-5990070227FDKR-ND | 5990070227F |
| 350-5990H10147FTR-ND,350-5990H10147FCT-ND,350-5990H10147FDKR-ND | 5990H10147F |
| 350-5990Q90147FTR-ND,350-5990Q90147FCT-ND,350-5990Q90147FDKR-ND | 5990Q90147F |
| 350-5990Q80147FTR-ND,350-5990Q80147FCT-ND,350-5990Q80147FDKR-ND | 5990Q80147F |
| 350-5992Q01147FTR-ND,350-5992Q01147FCT-ND,350-5992Q01147FDKR-ND | 5992Q01147F |
| 350-5990090227FTR-ND,350-5990090227FCT-ND,350-5990090227FDKR-ND | 5990090227F |
| 350-5990H80147FTR-ND,350-5990H80147FCT-ND,350-5990H80147FDKR-ND | 5990H80147F |
| 350-5992H00147FTR-ND,350-5992H00147FCT-ND,350-5992H00147FDKR-ND | 5992H00147F |
| 350-5990001227FTR-ND,350-5990001227FCT-ND,350-5990001227FDKR-ND | 5990001227F |
| 350-5990B11337FTR-ND,350-5990B11337FCT-ND,350-5990B11337FDKR-ND | 5990B11337F |
| 350-5991Q70237FTR-ND | 5991Q70237F |