KWM-37881
KWM-37881 is Dot Matrix LED Display manufactured by Lucky Light Electronic.
DESCRIPTION:
The KWM-37881 series is 38.00mm (1.496") height 8 x 8 dot matrix display. This series is suitable for use in single/multi-line message display, large area graphics display and electronic games. All devices are available as either mon row anode or mon row cathode.
4.70- 7=32.90(1.102) 38.0(1.496)
PACKAGE DIMENSIONS
COL 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
PIN1
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. o
4.70- 7=32.90(1.102) 38.0(1.496)
φ3.70(0.146)
..
10.3(0.406)
4.50(0.177) 2.54- 7=17.78(0.700)
φ0.5(0.020) 28.20(1.110)
INTERNAL CIRCUIT DIAGRAM
ROW CATHODE
COL 1 ROW
PIN NO. 9 14 8 12 1 7 2 5 PIN NO. 13
ROW ANODE
COL 1 ROW
PIN NO. 9 14 8 12 1 7 2 5
PIN NO. 13
1 2
1 2 3 4 5 6 7 8
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
3 4 5 6 7 8
PART NO. SELECTION AND APPLICATION INFORMATION (RATINGS AT 25 C AMBIENT)
Chip Part No. Raw Material Ga P Ga As P/Ga P Ga Al As Ga P Ga P Ga As P/Ga P Ga P Emitted Color Bright Red Hi-Eff Red Super Red Green Super Green Yellow Bright Red Hi-Eff Red Super Red Green Super Green Yellow mon Cathode mon Anode C.C or C.A Wave Length λρ (nm) 700 635 660 565 570 585 700 635 660 565 570 585 Absolute Maximum Ratings ∆λ Pd If Electro-optical Characteristic...
