KW1-431 SERIES
LED Numeric Display
Single Digit (0.43")
DESCRIPTION:
The KW1-431 series is 0.43 inch (10.80mm) height single digit display
designed for viewing distances of up to six meters.
Both left and right DPs are available.
This series is suitable for use in instruments, point of sales terminals and
electrical appliances.
All devices are available as either common anode or common cathode.
PIN 1
PACKAGE DIMENSIONS
7.00
10
o
1.05
0.95
A
F
19.00
E
LDP
D
B
C
RDP
+
10.92(.43")
G
ABSOLUTE MAXIMUM RATINGS: (Ta=25 C)
Parameter
Max
Reverse Voltage per segment
5V
Reverse Current per segment (Vr = 5V)
100µA
Derating Linear from 25
o
C per segment
0.4mA/
o
C
Operating Temperature Range
-40
o
C To 85
o
C
Storage Temperature Range
-40
o
C To 100
o
C
Soldering Temperature 1.6mm(1/16") from body for 5 sec. at 260
o
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
12.60
φ0.5
7.62
2.54*6=15.24
INTERNAL CIRCUIT DIAGRAM
3, 14
3, 14
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=20mA
If=20mA
If=20mA
Vr=5V
If=10mA
A
1
B
C
D
8
E
7
F
2
G RDP LDP
11
9
7.80
A
1
B
C
D
8
E
7
F
2
G RDP LDP
11
9
13 10
6
13 10
6
4,5 & 12 NO PIN
4,5 & 12 NO PIN
PART NO. SELECTION AND APPLICATION INFORMATION (RATINGS AT 25 C AMBIENT)
Chip
Part No.
Raw
Material
GaAsP/GaP
GaAlAs
GaP
GaP
GaAsP/GaP
GaAsP/GaP
GaAlAs
GaP
GaP
GaAsP/GaP
Emitted
Color
Hi-Eff. Red
Super Red
Green
Super Green
Yellow
Hi-Eff Red
Super Red
Green
Super Green
Yellow
Common
Cathode
Common
Anode
C.C
or
C.A
Wave
Length
λρ
(nm)
635
660
565
570
585
635
660
565
570
585
Absolute Maximum Ratings
∆λ
Pd
If
Electro-optical Data(at 10mA)
o
If
If
Vf (V)
Iv (µcd)
(Peak) Per Segment (Rec) Per Segment
(nm) (mW) (mA) (mA) Min. Typ. Max. mA Min. Typ.
45
20
30
30
30
45
20
30
30
30
100
100
100
100
100
100
100
100
100
100
50
50
50
50
50
50
50
50
50
50
100
100
100
100
100
100
100
100
100
100
1.7
1.5
1.7
1.7
1.7
1.7
1.5
1.7
1.7
1.7
1.9
1.9
2.2
2.2
1.9
1.9
1.9
2.2
2.2
1.9
2.6 10-20 700
1800
KW1-431A3
KW1-431AS
KW1-431A2
KW1-431AG
KW1-431A6
KW1-431C3
KW1-431CS
KW1-431C2
KW1-431CG
KW1-431C6
2.6 10-20 1500 5000
2.6 10-20 700
2.6 10-20 850
2.6 10-20 600
2.6 10-20 700
1600
1900
1500
1800
2.6 10-20 1500 5000
2.6 10-20 700
2.6 10-20 850
2.6 10-20 600
1600
1900
1500
REMARKS : 1. The average luminous intensity is obtained by summing the luminous intensity of each segment and dividing by the total number of segments.
2. Luminous intensity is measured with a light sensor and filter combination that approximates the CIE (International Commission on Illumination) eye-response curve.
3. Clean only by pure water, isopropanol, ethanol, Freon TF (or equivalent).
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