KW4-521
KW4-521 is LED Numeric Display Four Digit manufactured by Lucky Light Electronic.
DESCRIPTION:
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PACKAGE DIMENSIONS
10 o
The KW4-521 series is 0.52 inch (13.20mm) height four digit display. All devices are available as either mon anode or mon cathode.
7.60 1.35 13.20(0.52")
+
PIN1 12.70 12.70 50.80 7.00 12.70
ABSOLUTE MAXIMUM RATINGS: (Ta=25 C)
Parameter Max Reverse Voltage per segment 5V Reverse Current per segment (Vr = 5V) 100µA Derating Linear from 25o C per segment 0.4m A/ o C Operating Temperature Range -40o C To 85o C Storage Temperature Range -40o C To 100o C Soldering Temperature 1.6mm(1/16") from body for 5 sec. at 260o C
NOTES : 1. All dimensions are in millimeters (inches). 2. Tolerance is +0.25mm(0.010) unless otherwise specified. 3. Specifications are subject to change without notice. 4. NP: No Pin. 5. NC: No Connect.
DIG.1 o
φ0.50 15.24 2.54- 5=12.70 DIG.2 DIG.3 F E D DIG.4 A G B C DP
INTERNAL CIRCUIT DIAGRAM
2 DIG.1 3 DIG.2 6 DIG.3 10 DIG.4
G DP A
G DP A
G DP A
G DP
7 12 4
TESTING CONDITION FOR EACH PARAMETER :
Parameter Forward Voltage Peak Emission Wave Length Spectral Line Half-Width Reverse Current Average Luminous Intensity Symbol Vf λρ ∆λ Ir Iv Unit V nm nm µA µ cd Test Condition If=20m A If=20m A If=20m A Vr=5V If=10m A
2 DIG.1
3 DIG.2
6 DIG.3
10 DIG.4
G DP A
G DP A
G DP A
G...
