参数资料
型号: QEB421TR
厂商: Fairchild Optoelectronics Group
文件页数: 2/3页
文件大小: 0K
描述: LED IR EMITTING 880NM 2-PLCC T/R
标准包装: 2,000
电流 - DC 正向(If): 100mA
辐射强度(le)最小值@正向电流: 4mW/sr @ 100mA
波长: 880nm
正向电压: 1.5V
视角: 120°
方向: 顶视图
安装类型: 表面贴装
封装/外壳: 2-PLCC
包装: 带卷 (TR)
QEB421
SURFACE MOUNT INFRARED
LIGHT EMITTING DIODE
TYPICAL PERFORMANCE CURVES
Fig. 1 Normalized Radiant Intensity vs. Forward Current
10
Normalized to:
I F = 100 mA Pulsed
10 2
Fig. 2 Forward Current vs. Forward Voltage
I F Pulsed
tpw = 100 us
1
tpw =100 us
Duty Cycle = 0.1%
T A = 25?C
10 1
Duty Cycle = 0.1%
T A = 25?C
10 0
0.1
10 -1
0.01
10 -2
0.001
1
10
100
1000
10 -3
0.8
1.0
1.2
1.4
1.6
IF - FORWARD CURRENT (mA)
Fig.3 Radiation Diagram
3
2
V F - FORWARD VOLTAGE (V)
Fig. 4 Forward Voltage vs. Ambient Temperature
I F Pulsed
t pw = 100 us
Duty Cycle = 0.1%
110
100
90
80
70
I F = 50 mA
I F = 100 mA
130
120
60
50
140
150
160
170
40
30
20
10
1
I F = 20 mA
180
1.0
0.8
0.6
0.4
0.2
0.0
0.2
0.4
0.6
0.8
0
1.0
0
-40
-20
0
20
40
60
80
100
T A - TEMPERATURE (?C)
Fig. 5 Spectral Response (TBD)
www.fairchildsemi.com
2 OF 3
2/26/01
DS300385
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