NFSA172 datasheet(2/16 Pages) NICHIA

2 / 16 page

NICHIA STS-DA1-1257A <Cat.No.101130>

SPECIFICATIONS

(1) Absolute Maximum Ratings

Item

Symbol

Absolute Maximum Rating

Unit

Forward Current

250

Pulse Forward Current

IFP

350

Allowable Reverse Current

Power Dissipation

875

Operating Temperature

Topr

-40 ～ 100

°C

Storage Temperature

Tstg

-40 ～ 100

°C

Junction Temperature

150

°C

* Absolute Maximum Ratings at TS=25°C.

* IFP conditions with pulse width ≤ 10 ms and duty cycle ≤ 10%.

(2) Initial Electrical/Optical Characteristics

Item

Symbol

Condition

Typ.

Unit

Forward Voltage

IF=150mA

3.2

Luminous Flux

Φv

IF=150mA

0.57

Chromaticity Coordinate

IF=150mA

0.42

* Characteristics at TS=25°C.

* Luminous Flux value is traceable to the CIE 127:2007-compliant national standards.

* The Chromaticity Coordinates are derived from the CIE 1931 Chromaticity Diagram.

RANKS

Item

Rank

Min.

Max.

Unit

Forward Voltage

2.65

3.50

P11

30.3

36.0

P10

25.5

30.3

21.4

25.5

Luminous Flux

18.0

21.4

Color Rank

Rank L3

0.576

0.549

0.562

0.589

0.407

0.425

0.438

0.411

* Ranking at TS=25°C.

* Tolerance of measurements of the Forward Voltage is ±0.05V.

* Tolerance of measurements of the Luminous Flux is ±7%.

* Tolerance of measurements of the Chromaticity Coordinate is ±0.01.

* Basically, a shipment shall consist of the LEDs of a combination of the above ranks. The percentage of each rank

in the shipment shall be determined by Nichia.

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