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
2.54
1.0±.2
8.6±.3
1.0 min
5.9±.3
26.4 min
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
Absolute Maximum Ratings
E/O Characteristics
∆λ
Iv (mcd)
@If=20mA
Vf (V)
@ If=20mA
Emitted
Color
2Θ1/2
Pd
If (mA)
Ir
Vr
λ
Part No.
@Vr=5V
1/10 duty
(nM)
(nM) (mW)
dc
(V)
2mA
Min
Typ
Min
Typ
(Deg)
@ 1 khz
200
200
200
200
200
200
200
200
200
200
200
200
(µA)
KRC4251-5
KRC4251-6
Red
Red
632
632
591
591
591
621
621
621
20
20
15
15
15
18
18
18
20
17
17
17
120
120
120
120
120
120
120
120
120
120
120
120
25
25
25
25
25
25
25
25
25
25
25
25
10
10
10
10
10
10
10
10
10
10
10
10
5
5
5
5
5
5
5
5
5
5
5
5
138
1500
1810
1720
2150
2860
1960
2450
3260
1090
1840
2300
3060
2460
3100
2790
3440
3720
3350
4080
4240
1480
3070
3760
3980
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
10
10
10
10
10
10
10
10
10
10
10
10
167
KYC4251-5 Yellow
KYC4251-6 Yellow
KYC4251-7 Yellow
KOC4251-5 Orange
KOC4251-6 Orange
KOC4251-7 Orange
163
189
-
186
216
-
-
-
-
-
KDC4251-5 DeepRd 650
KYOC4251-5 YelOrng 611
KYOC4251-6 YelOrng 611
KYOC4251-7 YelOrng 611
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
