CDBT-70-G - Comchip Technology

Small Signal Schottky Diodes
CDBT-70/S/C/A-G
Reverse Voltage: 70 Volts
Forward Current: 70 mA
RoHS Device
Features
SOT-23
-Design for mounting on small surface.
-High speed switching application, circuit
protection.
0.118(3.00)
0.110(2.80)
3
-Low turn-on voltage.
0.055(1.40)
0.047(1.20)
Mechanical data
1
2
0.079(2.00)
0.071(1.80)
-Case: SOT-23, molded plastic.
-Terminals: solderable per MIL-STD-750,
method 2026.
0.006(0.15)
0.003(0.08)
0.041(1.05)
0.035(0.90)
-Approx. weight: 0.008 grams
0.100(2.55)
0.089(2.25)
Circuit diagram
0.004(0.10) max
3
1
3
2
1
CDBT-70-G
3
2
CDBT-70S-G
1
3
2
1
CDBT-70C-G
0.020(0.50)
0.012(0.30)
0.020(0.50)
0.012(0.30)
2
Dimensions in inches and (millimeter)
CDBT-70A-G
Maximum Ratings and Electrical Characteristics
(at Ta=25°C unless otherwise noted)
Symbol
Value
Units
VRRM
70
V
Reverse voltage
VR
70
V
Forward continuous current
IF
70
mA
100
mA
200
mW
Parameter
Repetitive peak reverse voltage
Conditions
Non-Repetitive peak forward surge current
IFSM
Power dissipation
PD
Maximum forward voltage
VF
@IF=1.0mA
@IF=15mA
410
1000
mV
Maximum reverse leakage current
IR
@VR=50V
100
nA
Maximum reverse recovery time
Trr
IF=IR=10mA, RL=100Ω, Irr=0.1*IR
5
nS
Maximum diode capacitance
CD
VR=0V, f=1.0MHz
2
pF
RθJA
500
°C/W
Junction temperature
TJ
125
°C
Storage temperature
TSTG
-55 to +150
°C
Thermal Resistance Junction to Ambient
T=1.0 sec
Company reserves the right to improve product design , functions and reliability without notice.
REV:B
Page 1
QW-BA003
Comchip Technology CO., LTD.
Small Signal Schottky Diodes
RATING AND CHARACTERISTIC CURVES (CDBT-70/S/C/A-G)
Fig.1 - Forward Characteristics
Fig.2 - Reverse Characteristics
10
100
10
Reverse Current, (μA)
Forward Current, (mA)
TA=100°C
TA=25°C
TA=100°C
1
0.1
0.01
0.2
0.4
0.6
0.8
0.1
TA=25°C
0.01
0
1.0
10
20
30
40
50
60
Forward Voltage, (V)
Reverse Voltage, (V)
Fig.3 - Capacitance Characteristics
Fig.4 - Power Derating Curve
70
300
3.0
O
TJ=25 C
f=1MHz
2.5
Power Dissipation, (mW)
Capacitance Between Terminals, (pF)
0
1
2.0
1.5
1.0
200
150
100
50
0.5
0
250
0
10
20
30
40
50
60
70
0
0
25
50
75
100
125
Ambient Temperature, (°C)
Reverse Voltage, (V)
Company reserves the right to improve product design , functions and reliability without notice.
REV:B
Page 2
QW-BA003
Comchip Technology CO., LTD.
Small Signal Schottky Diodes
Marking Code
3
Part Number
Marking Code
CDBT-70-G
73
CDBT-70A-G
76
CDBT-70C-G
75
CDBT-70S-G
74
XX
1
2
xx = Product type marking code
Suggested PAD Layout
SOT-23
SIZE
(mm)
(inch)
A
0.80
0.031
B
1.90
0.075
C
2.02
0.080
D
2.82
0.111
A
C
D
B
Standard Packaging
REEL PACK
Case Type
SOT-23
REEL
Reel Size
( pcs )
(inch)
3,000
7
Company reserves the right to improve product design , functions and reliability without notice.
REV:B
Page 3
QW-BA003
Comchip Technology CO., LTD.