Comchip CDBT-54-HF Small signal schottky diode Datasheet

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
0.122(3.10)
-Design for mounting on small surface.
-High speed switching application, circuit
protection.
0.106(2.70)
3
0.055(1.40)
0.047(1.19)
-Low forward voltage drop.
1
2
0.083(2.10)
Mechanical data
0.067(1.70)
-Case: SOT-23, molded plastic.
0.010(0.25)
-Terminals: solderable per MIL-STD-750,
method 2026.
-Approx. weight: 0.008 grams
0.003(0.08)
0.045(1.15)
0.118(3.00)
0.035(0.90)
0.083(2.10)
-Packing:3,000 pieces per 7” reel.
0.005(0.13)max
Circuit diagram
3
1
0.020(0.51)
3
2
1
CDBT-54-HF
3
2
CDBT-54S-HF
0.020(0.50)
0.012(0.30)
0.014(0.35)
1
3
2
1
CDBT-54C-HF
2
Dimensions in inches and (millimeter)
CDBT-54A-HF
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
600
mA
225
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
°C
TSTG
-55 to +125
°C
Storage temperature
Company reserves the right to improve product design , functions and reliability without notice.
REV:B
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
1
TA=25 OC
TA=0 OC
0.1
0.01
0.1
0.001
0
0.2
0.4
0.6
0.8
0
1.0
10
20
40
30
Forward Voltage (V)
Reverse Voltage (V)
Fig.3- Capacitance between terminals
characteristics
Fig.4- Power derating curve
14
50
400
O
TJ=25 C
f=1MHz
Mounted on glass
epoxy PCBs
12
Power dissipation, (mW)
Capacitance between terminals, (pF)
TA=75 OC
10
8
6
4
300
200
100
2
0
0
0
5
10
15
20
25
30
0
25
50
75
100
125
150
175
Ambient temperature, ( °C )
Reverse voltage, (V)
Company reserves the right to improve product design , functions and reliability without notice.
REV:B
Page 2
QW-JB004
Comchip Technology CO., LTD.
Small Signal Schottky Diodes
Marking Code
Part Number
Marking Code
CDBT-54-HF
KL1
JV3
CDBT-54A-HF
KL2
B6
Product marking code
XXX
X
M
M
M
∑ : Month Code
3
XX
KL3
5C
CDBT-54S-HF
KL4
LD3
2
“ • ” or “••” or “–” :Traceablity code
M
CDBT-54C-HF
M
1
Month Code:
Month
Odd Year
(per A.D.)
Even Year
(per A.D.)
Month
Odd Year
(per A.D.)
Even Year
(per A.D.)
Jan
1
E
Jul
7
N
Feb
2
F
Aug
8
P
Wer
3
H
Sep
9
U
Apr
4
J
Oct
T
X
May
5
K
Nov
V
Y
Jun
6
L
Dec
C
Z
Company reserves the right to improve product design , functions and reliability without notice.
REV:B
Page 3
QW-JB004
Comchip Technology CO., LTD.
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