Small Signal Schottky Diodes
Reverse Voltage: 30 Volts
Forward Current: 200 mA
RoHS Device
Page 1
Features
-Design for mounting on small surface.
-High speed switching application, circuit
protection.
-Low forward voltage drop.
Mechanical data
-Case: SOT-23, molded plastic.
-Terminals: solderable per MIL-STD-750,
method 2026.
-Approx. weight: 0.008 grams
Circuit diagram
CDBT-54/S/C/A-HF
Dimensions in inches and (millimeter)
QW-JB004
Comchip Technology CO., LTD.
SOT-23
CDBT-54-HF
1 2
3
1 2
3
1 2
3
CDBT-54S-HF CDBT-54C-HF CDBT-54A-HF
Halogen free
-Packing：3,000 pieces per 7” reel.
3
1 2
0.122(3.10)
0.106(2.70)
0.055(1.40)
0.047(1.19)
0.083(2.10)
0.067(1.70)
0.045(1.15)
0.035(0.90)
0.020(0.51)
0.014(0.35)
0.010(0.25)
0.003(0.08)
0.118(3.00)
0.083(2.10)
0.005(0.13)max
0.012(0.30)
0.020(0.50)
1 2
3
REV:B
Maximum Ratings and Electrical Characteristics
(at Ta=25°C unless otherwise noted)
Repetitive peak reverse voltage
Reverse voltage
Forward current
Peak surge forward current
Power dissipation
Maximum forward voltage
Maximum reverse current
Maximum reverse recovery time
Maximum diode capacitance
Maximum junction temperature
Storage temperature
UnitsSymbolParameter
VRRM
VR
IF
IFSM
PD
VF
IR
Trr
CJ
TJ
TSTG
Conditions Value
T<1.0 sec
@IF=0.1mA
@IF=1mA
@IF=10mA
@IF=30mA
@IF=100mA
@VR=25V
IF=IR=10mA, RL=100Ω
VR=1V, f=1.0MHz
30
30
200
600
225
0.24
0.32
0.40
0.50
1.00
2
5
10
125
-55 to +125
V
V
mA
mA
mW
V
μA
nS
pF
°C
°C
Company reserves the right to improve product design , functions and reliability without notice.
QW-JB004
RATING AND CHARACTERISTIC CURVES (CDBT-54/S/C/A-HF)
Forward Voltage (V)
1.00.60.4 0.80
Fig.1 - Forward Characteristics
0.1
1
10
100
1000
Forward Current (mA)
Reverse Voltage (V)
0
Fig.2 Reverse Characteristics -
0.001
Rev er e Curr n (μ)
s e t A
0.01
0.1
1
100
20
Comchip Technology CO., LTD.
Page 2
REV:B
30 50
0.2 10 40
Small Signal Schottky Diodes
10
O
TA=125 C
O
TA=0 C
O
TA=25 C
O
TA=75 C
O
TA=125 C
O
TA=-25 C
O
TA=0 C
O
TA=25 C
O
TA=75 C
Ambient temperature, ( °C )
Fig.4- Power derating curve
0
200
400
0 100 175
100
25 50 75 150125
300
Mounted on glass
epoxy PCBs
Power dissipation, (mW)
Reverse voltage, (V)
0
Fig.3- Capacitance between terminals
characteristics
0
2
4
8
10
15 30
6
105 2520
O
TJ=25 C
f=1MHz
12
14
Capacitance between terminals, (pF)
Company reserves the right to improve product design , functions and reliability without notice.
QW-JB004
Comchip Technology CO., LTD.
Page 3
REV:B
Small Signal Schottky Diodes
Marking Code
3
1 2
XXX
M
“ • ” or ••“ ” or “–” :Traceablity code
Product marking code
∑ : Month Code
XXX
Month Code:
Even Year
1
2
3
4
5
6
E
F
H
J
K
L
Odd Year
Month
Jan
Feb
Wer
Apr
May
Jun
(per A.D.) (per A.D.)
Even Year
7
8
9
T
V
C
N
P
U
X
Y
Z
Odd Year
Month
Jul
Aug
Sep
Oct
Nov
Dec
(per A.D.) (per A.D.)
Part Number
CDBT-54-HF
Marking Code
CDBT-54A-HF
CDBT-54C-HF
CDBT-54S-HF
KL1
KL2
KL3
KL4
Company reserves the right to improve product design , functions and reliability without notice.
JV3
M
B6
M
5C
M
LD3
M
