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參數資料
| 型號： | SML-211DTT86G |
| 元件分類： | LED |
| 英文描述： | SINGLE COLOR LED, ORANGE, 1.4 mm |
| 封裝： | 2 X 1.25 MM, 0.80 MM HEIGHT, MINIMOLD PACKAGE-2 |
| 文件頁數： | 7/7頁 |
| 文件大?。?/td> | 548K |
| 代理商： | SML-211DTT86G |
IF peak Max.
IF Max.
21
LED lamps
Determine the pulse drive conditions as follows.
1. Decide what repetition frequency (f) and duty factor
(DF) will be used.
2. Determine the maximum tolerable peak current ratio
from Figure 2.
3. Determine the maximum forward current from
Figure 3.
For example, when Ta = 40
_C or above, the maximum
forward current (IF Max.) decreases.
4. Calculate the maximum tolerable peak current (IF
peak Max.).
Example
If f = 1 kHz, DF = 10%, and Ta = 40
_C, the maximum toler-
able peak current ratio from Figure 2 is 3.0 for red, orange
and yellow, and 2.4 for green.
The maximum forward current IF Max. at Ta = 40
_C is 20
mA for red, orange and yellow, and 25 mA for green.
Therefore, the maximum tolerable peak current under
these conditions is as follows :
FRed, orange and yellow
20 mA
3.0 = 60 mA
. .
FGreen
25 mA
2.4 = 60 mA
. . . . . . . . . . . . . . . . . .
For the repetition frequency, we recommend 1 kHz or
above.
(7)
Decrease of rated current
The maximum rated forward current of LED lamps will
vary depending on the ambient operating temperature.
(Refer to Figure 3)
(8)
Variation of luminous intensity depending on ambi-
ent temperature
ROHM LED lights have a temperature coefficient of
approximately –1% for red and orange, and
* 0.5% for
yellow and green. (Refer to the luminous intensity vs.
case temperature characteristics for each LED type.)
FStorage precautions
Storage in a dry box is best. However, if this is not pos-
sible we recommend the following conditions :
Temperature : 5 to 30
_C
Humidity : 60%RH max.
FRecommended PCB
We recommend the following hole diameters. Note, how-
ever, that these may vary depending on the board materi-
al, degree of integration, and wiring.
FLED lamp product names
The product names of ROHM LED lamps and chip LEDs
are coded as follows :
相關PDF資料 |
PDF描述 |
|---|---|
| SML-211UTT87K | SINGLE COLOR LED, RED, 1.2 mm |
| S1040-0CW-120AM | SINGLE COLOR DISPLAY CLUSTER, COOL WHITE, 53 mm |
| S1040-0UY-014N | SINGLE COLOR DISPLAY CLUSTER, SUPER YELLOW, 53 mm |
| SLR-332VRTH7M | T-1 SINGLE COLOR LED, RED, 3.2 mm |
| SLR-332VCTJ7K | T-1 SINGLE COLOR LED, RED, 3.2 mm |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SML-211DTT86K | 制造商:ROHM Semiconductor 功能描述:LED 0805 LO-CUR. ORG 制造商:ROHM Semiconductor 功能描述:LED, 0805, LO-CUR. ORG 制造商:ROHM Semiconductor 功能描述:LED, ORANGE, 1.25MM X 1.4MM, 2.5MCD, 608NM; Bulb Size:1.25mm x 1.4mm; LED Color:Orange; Luminous Intensity:2.5mcd; Forward Current If:2mA; Forward Voltage:1.8V; LED Mounting:SMD; Lens Shape:Rectangular; Wavelength Typ:608nm ;RoHS Compliant: Yes |
| SML-211UT | 制造商:ROHM 功能描述:RED SM LED 0805 LO CURRENT TRANS CLEAR 2.0X1.25mm 630nm 制造商:ROHM 功能描述:RED SM LED 0805 LO CURRENT TRANS CLEAR 2.0X1.25mm 630nm - free partial T/R at 500. |
| SML-211UTT86 | 功能描述:標準LED-SMD INDIUM RED SMD TRANS LENS RoHS:否 制造商:Vishay Semiconductors 封裝 / 箱體:0402 LED 大小:1 mm x 0.5 mm x 0.35 mm 照明顏色:Red 波長/色溫:631 nm 透鏡顏色/類型:Water Clear 正向電流:30 mA 正向電壓:2 V 光強度:54 mcd 顯示角:130 deg 系列:VLMx1500 封裝:Reel |
| SML-211UTT86-CUT TAPE | 制造商:ROHM 功能描述:SML-211 Series Red 0805 2.5 mcd Clear 1.8 V LED Surface Mount |
| SML-211UTT86K | 制造商:ROHM Semiconductor 功能描述:LED 0805 LO-CUR. RED 制造商:ROHM Semiconductor 功能描述:LED, 0805, RED, 2.5MCD, 620NM 制造商:ROHM Semiconductor 功能描述:LED, RED, 1.25MM X 1.4MM, 2.5MCD, 625NM; Bulb Size:1.25mm x 1.4mm; LED Color:Red; Luminous Intensity:2.5mcd; Forward Current If:2mA; Forward Voltage:1.8V; LED Mounting:SMD; Lens Shape:Rectangular; Wavelength Typ:625nm ;RoHS Compliant: Yes |
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