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SMD Switching Diode
SMD Diodes Specialist
CDST6-4448TI-G
RoHS Device
Features
Fast switching speed. Ultra-small surface mount package. For general purpose switching applications. High conductance power dissipation.
SOT-23-6
0.119(3.02) 0.111(2.82)
Mechanical data
Case:SOT-23-6, molded plastic. Terminals: Solder plated, solderable per MIL-STD-750, method 2026. Mounting position: Any. Weight: 0.015 gram (approx.)
0.067(1.70) 0.059(1.50)
0.079(2.00) 0.071(1.80)
0.008(0.20) 0.004(0.10) 0.045(1.15) 0.041(1.05) 0.116(2.95) 0.104(2.65)
Marking: KAA
4 5 6 4 5 6
0.020(0.50) 0.012(0.30)
0.004(0.10)max
0.012(0.30)min
KAA
3 2 1 3 2
.
1
Dimensions in inches and (millimeter)
Maximum Ratings(at TA=25C unless otherwise noted)
Parameter
Non-repetitive peak reverse voltage Peak repetitive reverse voltage Working peak reverse voltage DC Blocking voltage RMS Reverse voltage Forward continuous current Average rectified output current Non-repetitive peak forward surge current Power dissipation Thermal resistance junction to ambient air Operating and storage temperature range @ t < 1us @ t < 1s
Symbol
VRM VRRM VRWM VR V VR(RMS) IFM IO IFSM Pd RJA Tj,TSTG
Value
100 75 53 500 250 4 2 200 625 -65 to +150
Unit
V V V mA mA A mW C/W C
Electrical Characteristics (at TA=25C unless otherwise noted)
Parameter
Reverse breakdown voltage Forward voltage
Conditions
IR = 10uA IF = 5mA IF = 10mA IF = 50mA IF = 150mA VR = 75V VR = 75V, TJ = 150C VR = 25V, TJ = 150C VR = 20V VR = 0, f = 1.0MHz IF = IR = 10mA Irr = 0.1 X IR,RL = 100
Symbol
VBR VF
Min
75 0.62
Typ
Max
0.720 0.855 1.0 1.25 2.5 50 30 25 4.0 4.0
Unit
V V uA uA uA nA pF nS
REV:A
Reverse current Diode junction Capacitance Reverse recovery time
IR CJ Trr
QW-B0048
Page 1
Comchip Technology CO., LTD.
SMD Switching Diode
SMD Diodes Specialist
RATING AND CHARACTERISTIC CURVES (CDST6-4448TI-G)
Fig. 1 - Forward characteristics
1000
10000
O
Fig. 2 - Reverse characteristics
100
TA=-40 C TA=0 C
O O
Reverse current (nA)
1000
TA=125 C
Forward current (mA)
100
TA=75 C
O
10
TA=25 C
O
10
TA=25 C TA=0 C TA=-40 C
O O
O
1
TA=75 C
O
1
TA=125 C
O
0.1 0 0.4 0.8 1.2 1.6
0. 1 0 20 40 60 80 100
Forward voltage (V)
Reverse voltage (V)
Fig.3 - Capacitance between terminals characteristics
Capacitance between terminals (PF)
3 250
Fig.4 - Power derating curve
f=1MHz
Power daissipation(mW)
0 10 20 30 40
2.5
200
2
150
1.5
100
1
0.5
50
0
0
0 25 50 75 100 125 150 175
Reverse voltage (V)
Ambient temperature (C)
Fig.5 - Reverse recovery time vs. forward current
2. 5
Reverse recovery time (nS)
2. 0 .. 1. 5
1. 0
0. 5
0 0 2 4 6 8
10
Forward current (mA)
REV:A
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Page 2
Comchip Technology CO., LTD.
SMD Switching Diode
SMD Diodes Specialist
Reel Taping Specification
P0 P1 d Index hole E T
F B P A
W C
12 0
o
D2
D1 D
W1
Trailer ....... .......
10 pitches (min)
Device ....... ....... ....... .......
Leader ....... .......
10 pitches (min)
End
Start
Direction of Feed
SYMBOL
A
3.17 0.10
0.124 0.004
B
3.23 0.10
0.127 0.004
C
1.37 0.10
0.054 0.004
d
1.55 0.10
0.061 0.004
D
178 1
7.008 0.040
D1
50.0 MIN.
1.969 MIN.
D2
13.0 0.20
0.512 0.008
SOT-23-6
(mm) (inch)
SYMBOL
E
1.75 0.10
0.069 0.004
F
3.50 0.05
0.138 0.002
P
4.00 0.10
0.157 0.004
P0
4.00 0.10
0.157 0.004
P1
2.00 0.05
0.079 0.002
W
8.00 0.30
0.315 0.012
W1
14.4 MAX.
0.567 MAX
SOT-23-6
(mm) (inch)
REV:A
QW-B0048
Page 3
Comchip Technology CO., LTD.
SMD Switching Diode
SMD Diodes Specialist
Marking Code
4 5 6
Part Number CDST6-4448TI-G
Marking Code
KAA
3 2
KAA
.
1
Suggested PAD Layout
C
SOT-23-6 SIZE (mm) A B C D E 1.10 0.60 0.95 2.50 3.60 (inch) 0.043
D E A
0.024 0.037 0.098 0.142
B
Standard Package
Qty per Reel Case Type (Pcs) SOT-23-6 3000 Reel Size (inch) 7
REV:A
QW-B0048
Page 4
Comchip Technology CO., LTD.

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