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| 型号： | LF-301VK |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 3/4页 |
| 文件大小： | 60K |
| 描述： | DISPLAY 7SEG 8MM 1DGT RED CC SMD |
| 产品目录绘图： | LF-301 Series Top LF-301 Series |
| 标准包装： | 1 |
| 系列： | LF-301 A/K |
| 数字/字母数： | 1 |
| 尺寸/尺寸： | 0.51" L x 0.27" W x 0.20" H（13mm x 6.8mm x 5mm） |
| 数字/Alpha 尺寸： | 0.31"（8mm） |
| 显示器类型： | 7 段显示 |
| 共用引脚： | 共阴极 |
| 颜色： | 红 |
| 正向电压： | 2V |
| 电流 - 测试： | 10mA |
| Millicandela 等级： | 10mcd |
| 波长 - 峰值： | 650nm |
| 功率耗散（最大）： | 320mW |
| 封装/外壳： | 10-SMD |
| 产品目录页面： | 2937 (CN2011-ZH PDF) |
| 其它名称： | 511-1570-6 |
LF-301
A/
K
Series
LED displays
Rev.B 3/3
』Electrical and optical characteristic curves
LF-301MA
LF-301MK
LF-301VA
LF-301VK
Fig.1 Forward Current - Forward Voltage
0.11 1.5 2 2.5 3
1
10
100
Ta=25°C
Forward Voltage:VF(V)
Forward Current:I
F
(mA)
Fig.2 Relative Luminous Intensity - Forward Current
0.011
0.10
1.00
10.00
10
100
Relative Luminous Intensity
Forward Current:IF(mA)
Ta=25°C
Fig.3 Relative Luminous Intensity - Case Temperature
Fig.4 Ratio of Maximum Tolerable Peak Current - Pulse Duration
( Ι
)
0.4-25 -15 -5 5 15 25 35 45 55 65 75
0.6
1.2
1.4
1.6
Case Temparature (°C)
IF=10mA
Relative Luminous Intensity
0.8
1
LF-301MA
LF-301MK
1
1 10 100 1000 10000 100000
Pulse Duration : tw(μs)
30Hz
100Hz
300Hz
1kHz
3kHz
10kHz
30kHz
100kHz
300kHz
Ratio of Maximum Tolerable peak
Current to Maximum Forward Current
( )
I
F
peak Max.
I
F
Max.
10
Fig.5 Ratio of Maximum Tolerable Peak Current - Pulse Duration
( ΙΙ
)
11 10 100 1000 10000
10
Pulse Duration : tw(μs)
100Hz
200Hz
500Hz
1kHz
2kHz
5kHz
10kHz
20kHz
50kHz
Ratio of Maximum Tolerable peak
Current to Maximum Forward Current
( )
I
F
peak Max.
I
F
Max.
LF-301VA
LF-301VK
Fig.6 Derating
0%
-25 -15 -5 5 15 25 35 45 55 65 75 85
20%
40%
60%
80%
100%
120%
Forward Current (%)
Ambient Temperature(°C)
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