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KEC semiconductor
KEC semiconductor

KCR401T Datasheet Preview

KCR401T Datasheet

Current Regulating Device

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KCR401T pdf
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SEMICONDUCTOR
TECHNICAL DATA
LED Drive Application.
FEATURES
Supplies stable bias current even at low battery voltage.
Ideal for stabilizing bias current of LEDs.
Negative temperature coefficient protects LEDs against thermal overload.
EQUIVALENT CIRCUIT
654
MARKING
Type Name
65
AC
4
Lot No.
123
123
KCR401T
Constant-Current LED Driver Transistor
E
K BK
16
25
34
H
JJ
1. GND
2. Output Current
3. Output Current
4. Source Voltage
5. Output Current
6. Rext
DIM
A
B
C
D
E
F
G
H
I
J
K
L
MILLIMETERS
2.9+_ 0.2
1.6+0.2/-0.1
0.70+_ 0.05
0.4+_ 0.1
2.8+0.2/-0.3
1.9+_ 0.2
0.95
0.16+_ 0.05
0.00-0.10
0.25+0.25/-0.15
0.60
0.55
TS6
MAXIMUM RATING (Ta=25 )
CHARACTERISTIC
Source Voltage
Output Current
Output Voltage
Reverse Voltage Between All Terminals
Power Dissipation
Junction Temperature
Storage Temperature Range
*Package mounted on a ceramic board (600
SYMBOL
VS
IO
VO
VR
PD*
Tj
Tstg
0.8 )
RATING
40
65
38
0.5
900
150
-55 150
UNIT
V
mA
V
V
mW
2009. 7. 7
Revision No : 0
1/3



KEC semiconductor
KEC semiconductor

KCR401T Datasheet Preview

KCR401T Datasheet

Current Regulating Device

No Preview Available !

KCR401T pdf
www.DataSheet4U.com
KCR401T
ELECTRICAL CHARACTERISTICS (Ta=25 )
CHARACTERISTIC
SYMBOL
Collector-Emitter Breakdown Voltage
Supply Current
DC Current Gain
Internal Resistor
Output Current
Voltage Drop (VS-VE)
Lowest Sufficient Battery Voltage Overhead
BVCEO
IS
hFE
Rint
IO
VDrop
VSmin
Output Current Change Versus Ta
Output Current Change Versus VS
IO/IO
IO/IO
TEST CONDITION
IC=1mA, IB=0
VS=10V
IC=50mA, VCE=1V
IRint=10mA
VS=10V, VOUT=8.6V
IO=10mA
IO>18mA
VS=10V
VS=10V
APPLICATION CIRCUIT
+VS
4
Rext
6
MIN.
40
340
100
72
9
0.82
-
-
-
TYP.
-
420
220
91
10
0.91
1.4
-0.2
1
MAX.
-
500
470
110
11
1.0
-
-
-
UNIT
V
-
mA
V
V
%/K
%/V
1 2, 3, 5
LED
LED
2009. 7. 7
Revision No : 0
2/3


Part Number KCR401T
Description Current Regulating Device
Maker KEC semiconductor
Total Page 3 Pages
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