K Series, Water Clear LED,
4251 K Series T 1 3/4, 5mm Round, Ultra Bright
These K series lamps are made with the brightest AlInGaP chips which can be used for super brightness at low current (2mA) or ultra
brightness at standard current (20mA). Please note the long lead is the anode.
5.0±.2
1.0±.2
5.9±.3
8.6±.3
26.4 min
1.0 min
2.54
GENERAL INFORMATION
Operating Temperature Range
Storage Temperature Range
Reflow Soldering Temperature
-30 °C to +85 °C
-55 °C to +100 °C
260 °C for 5 sec max
APPLICATION INFORMATION (ALL RATINGS AT 25 °C AMBIENT)
Peak
Part No.
Emitted
Color
Absolute Maximum Ratings
E/O Characteristics
Vr
(V)
5
5
5
5
5
5
5
5
5
5
5
5
2mA
138
167
163
189
-
186
216
-
-
-
-
-
Iv
(mcd)
@If=20mA
Min
1500
1810
1720
2150
2860
1960
2450
3260
1090
1840
2300
3060
Typ
2460
3100
2790
3440
3720
3350
4080
4240
1480
3070
3760
3980
Vf
(V)
@ If=20mA
Min
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
Typ
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
λ
(nM)
∆λ
(nM)
20
20
15
15
15
18
18
18
20
17
17
17
0.5
Pd
(mW)
120
120
120
120
120
120
120
120
120
120
120
120
If
(mA)
dc
25
25
25
25
25
25
25
25
25
25
25
25
1/10 duty
@ 1 khz
Ir
@Vr=5V
2Θ
1/2
(Deg)
10
10
10
10
10
10
10
10
10
10
10
10
(µA)
10
10
10
10
10
10
10
10
10
10
10
10
KRC4251-5
KRC4251-6
KYC4251-5
KYC4251-6
KYC4251-7
KOC4251-5
KOC4251-6
KOC4251-7
Red
Red
Yellow
Yellow
Yellow
Orange
Orange
Orange
632
632
591
591
591
621
621
621
650
611
611
611
200
200
200
200
200
200
200
200
200
200
200
200
KDC4251-5 DeepRd
KYOC4251-5 YelOrng
KYOC4251-6 YelOrng
KYOC4251-7 YelOrng
Specifications subject to change without notice. Dimensions are in mm±0.3 unless stated otherwise.
IDEA, Inc., 1351 Titan Way, Brea, CA 92821 Ph:714-525-3302, 800-LED-IDEA; Fax: 714-525-3304 0508
J–23