COMCHIP CDBT

Small Signal Schottky Diodes
CDBT-54/S/C/A-HF
Reverse Voltage: 30 Volts
Forward Current: 200 mA
RoHS Device
Halogen free
SOT-23
Features
0.119(3.00)
-Design for mounting on small surface.
-High speed switching application, circuit
protection.
0.110(2.80)
3
0.056(1.40)
0.047(1.20)
-Low forward voltage drop.
1
2
0.083(2.10)
Mechanical data
0.066(1.70)
-Case: SOT-23, molded plastic.
0.006(0.15)
-Terminals: solderable per MIL-STD-750,
method 2026.
0.002(0.05)
0.044(1.10)
0.103(2.60)
0.035(0.90)
0.086(2.20)
-Approx. weight: 0.008 grams
0.006(0.15) max
Circuit diagram
0.020(0.50)
0.013(0.35)
3
1
3
2
1
CDBT-54-HF
Marking : Kl1
3
2
CDBT-54S-HF
Marking : Kl4
1
0.007(0.20) min
3
2
1
CDBT-54C-HF
Marking : Kl3
2
Dimensions in inches and (millimeter)
CDBT-54A-HF
Marking : Kl2
Maximum Ratings and Electrical Characteristics
(at Ta=25°C unless otherwise noted)
Parameter
Repetitive peak reverse voltage
Symbol
Conditions
Value
Units
VRRM
30
V
Reverse voltage
VR
30
V
Forward current
IF
200
mA
0.6
A
200
mW
0.24
0.32
0.40
0.50
1.00
V
Peak surge forward current
IFSM
Power dissipation
PD
T<1.0 sec
Maximum forward voltage
VF
@IF=0.1mA
@IF=1mA
@IF=10mA
@IF=30mA
@IF=100mA
Maximum reverse current
IR
@VR=25V
2
μA
Maximum reverse recovery time
Trr
IF=IR=10mA, RL=100Ω
5
nS
Maximum diode capacitance
CJ
VR=1V, f=1.0MHz
10
pF
Maximum junction temperature
TJ
125
O
C
TSTG
-65 to +125
O
C
Storage temperature
REV:A
Page 1
QW-JB004
Comchip Technology CO., LTD.
Small Signal Schottky Diodes
RATING AND CHARACTERISTIC CURVES (CDBT-54/S/C/A-HF)
Fig.1 - Forward Characteristics
Fig.2 - Reverse Characteristics
1000
100
O
TA=125 C
Rev er s e Curr e n t(μ A )
Forward Current (mA)
10
100
O
TA=125 C
10
TA=-25 OC
O
TA=0 C
O
TA=25 C
1
TA=75 OC
TA=75 OC
1
TA=25 OC
TA=0 OC
0.1
0.01
0.1
0.001
0
0.2
0.4
0.6
0.8
10
0
1.0
20
Forward Voltage (V)
Fig.3 - Capacitance Between Terminals
Characteristics
50
Fig.4 - Power Derating Curve
10
400
O
TJ=25 C
f=1MHz
Mounted on glass
epoxy PCBs
8
Power Dis sipation (mW)
Capac itance Between Termin als (pF)
40
30
Reverse Voltage (V)
6
4
300
200
100
2
0
0
0
5
10
15
20
25
30
35
0
25
50
75
100
125
150
175
Ambient Temperature (OC)
Reverse Voltage (V)
REV:A
Page 2
QW-JB004
Comchip Technology CO., LTD.