K Series, Water Clear LED, 4251 K Series T 1 3/4, 5mm Round, Ultra Bright 0.5 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 min 1.0±.2 5.9±.3 8.6±.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 Part No. Emitted Color λ Absolute Maximum Ratings ∆λ Pd If (mA) Ir E/O Characteristics Iv (mcd) @If=20mA Vr Vf (V) @ If=20mA 2Θ1/2 (nM) (nM) (mW) dc 1/10 duty @ 1 khz @Vr=5V (µA) (V) 2mA Min Typ Min Typ (Deg) KRC4251-5 Red 632 20 120 25 200 10 5 138 1500 2460 2.0 2.4 10 KRC4251-6 Red 632 20 120 25 200 10 5 167 1810 3100 2.0 2.4 10 KYC4251-5 Yellow 591 15 120 25 200 10 5 163 1720 2790 2.0 2.4 10 KYC4251-6 Yellow 591 15 120 25 200 10 5 189 2150 3440 2.0 2.4 10 KYC4251-7 Yellow 591 15 120 25 200 10 5 - 2860 3720 2.0 2.4 10 KOC4251-5 Orange 621 18 120 25 200 10 5 186 1960 3350 2.0 2.4 10 KOC4251-6 Orange 621 18 120 25 200 10 5 216 2450 4080 2.0 2.4 10 KOC4251-7 Orange 621 18 120 25 200 10 5 - 3260 4240 2.0 2.4 10 KDC4251-5 DeepRd 650 20 120 25 200 10 5 - 1090 1480 2.0 2.4 10 KYOC4251-5 YelOrng 611 17 120 25 200 10 5 - 1840 3070 2.0 2.4 10 KYOC4251-6 YelOrng 611 17 120 25 200 10 5 - 2300 3760 2.0 2.4 10 KYOC4251-7 YelOrng 611 17 120 25 200 10 5 - 3060 3980 2.0 2.4 10 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