30BQ040
SCHOTTKY BARRIER DIODE
FEATURES
• Small foot print, surface mountable
• Very low forward voltage drop
• High frequency operation
• Guard ring for enhanced ruggedness and long
term reliability
• Lead (Pb)-free (“PbF” suffix)
• Designed and qualified for industrial level
SMC
MECHANICAL DATA
Case: SMC(DO-214AB)
Case Material: Molded Plastic. UL flammability
Classification Rating: 94V-0
Weight: 0.21 grams (approximate)
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL
IF(AV)
CHARACTERISTICS
VALUES
UNITS
3.0
A
40
V
Rectangular waveform
VRRM /VR
IFSM
tp = 5 µs sine
2000
A
VF
3.0 Apk, TJ = 125 °C
0.43
V
TJ
Range
- 55 to 150
°C
VOLTAGE RATINGS
PARAMETER
SYMBOL
Maximum DC reverse voltage
30BQ040
VR
Maximum working peak reverse voltage
UNITS
40
VRWM
V
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Maximum average forward current
SYMBOL
IF(AV)
TEST CONDITIONS
VALUES
50 % duty cycle at TL = 118 °C, rectangular waveform
3.0
50 % duty cycle at TL = 110 °C, rectangular waveform
4.0
5 µs sine or 3 µs rect. pulse
Following any rated
load condition and with
rated VRRM applied
2000
UNITS
A
Maximum peak one cycle
non-repetitive surge current
IFSM
Non-repetitive avalanche energy
EAS
TJ = 25 °C, IAS = 1.0 A, L = 12 mH
6.0
mJ
IAR
Current decaying linearly to zero in 1 µs
Frequency limited by TJ maximum VA = 1.5 x VR typical
1.0
A
Repetitive avalanche current
10 ms sine or 6 ms rect. pulse
110
ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
TEST CONDITIONS
3A
Maximum forward voltage drop
VFM (1)
6A
3A
6A
Maximum reverse leakage current
IRM (1)
TJ = 25 °C
TJ = 125 °C
TJ = 25 °C
TJ = 125 °C
VR = Rated VR
VALUES
UNITS
0.53
0.68
0.43
V
0.57
0.5
30
mA
Maximum junction capacitance
CT
VR = 5 VDC (test signal range 100 kHz to 1 MHz) 25 °C
230
pF
Typical series inductance
LS
Measured lead to lead 5 mm from package body
3.0
nH
10 000
V/µs
Maximum voltage rate of change
dV/dt
Rated VR
Note
(1) Pulse width < 300 µs, duty cycle < 2 %
©GUANGDONG HOTTECH INDUSTRIAL CO.,LTD
E-mail:hkt@heketai.com
1/ 5
30BQ040
SCHOTTKY BARRIER DIODE
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER
SYMBOL
Maximum junction and storage
temperature range
TJ (1), TStg
Maximum thermal resistance,
junction to lead
RthJL (2)
Maximum thermal resistance,
junction to ambient
RthJA
TEST CONDITIONS
VALUES
UNITS
- 55 to 150
°C
12
DC operation
°C/W
46
0.24
Approximate weight
g
0.008
Marking device
Case style SMC (similar to DO-214AB)
oz.
V3F
Notes
(1)
(2)
dP tot
1
------------- < -------------- thermal runaway condition for a diode on its own heatsink
dT J R thJA
Mounted 1" square PCB
10
100 000
TJ = 150 °C
IR - Reverse Current (µA)
IF - Instantaneous Forward Current (A)
Typical Characteristics
TJ = 150 °C
TJ = 125 °C
TJ = 25 °C
1
10 000
TJ = 125 °C
TJ = 100 °C
1000
TJ = 75 °C
100
TJ = 50 °C
10
0.1
TJ = 25 °C
1
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
0
10
20
30
40
VFM - Forward Voltage Drop (V)
VR - Reverse Voltage (V)
Fig. 1 - Maximum Forward Voltage Drop Characteristics
(Per Leg)
Fig. 2 - Typical Values of Reverse Current vs.
Reverse Voltage (Per Leg)
CT - Junction Capacitance (pF)
1000
TJ = 25 °C
100
10
0
5
10
15
20
25
30
35
40
45
VR - Reverse Voltage (V)
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage (Per Leg)
©GUANGDONG HOTTECH INDUSTRIAL CO.,LTD
E-mail:hkt@heketai.com
2/ 5
30BQ040
ZthJC - Thermal Impedance (°C/W)
SCHOTTKY BARRIER DIODE
100
10
PDM
1
Single pulse
(thermal resistance)
0.1
0.00001
0.0001
t1
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
0.001
0.01
t2
Notes:
1. Duty factor D = t1/t2
2. Peak TJ = PDM x ZthJC + TC
0.1
1
10
100
t1 - Rectangular Pulse Duration (s)
160
DC
150
2.0
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
140
130
Average Power Loss (W)
Allowable Lead Temperature (°C)
Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics (Per Leg)
120
110
100
Square wave (D = 0.50)
80 % rated VR applied
90
80
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
1.5
1.0
RMS limit
0.5
DC
See note (1)
0
70
0
1
2
3
5
4
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
IF(AV) - Average Forward Current (A)
Fig. 5 - Maximum Average Forward Current vs.
Allowable Lead Temperature
Fig. 6 - Maximum Average Forward Dissipation vs.
Average Forward Current
IFSM - Non-Repetitive Surge Current (A)
IF(AV) - Average Forward Current (A)
10 000
1000
100
At any rated load condition
and with rated VRRM applied
following surge
10
10
100
1000
10 000
tp - Square Pulse Duration (µs)
Fig. 7 - Maximum Peak Surge Forward Current vs. Pulse Duration
Note
Formula used: TC = TJ - (Pd + PdREV) x RthJC;
Pd = Forward power loss = IF(AV) x VFM at (IF(AV)/D) (see fig. 6);
PdREV = Inverse power loss = VR1 x IR (1 - D); IR at VR1 = 80 % rated VR
(1)
©GUANGDONG HOTTECH INDUSTRIAL CO.,LTD
E-mail:hkt@heketai.com
3/ 5
30BQ040
SCHOTTKY BARRIER DIODE
SMC Package Outline Dimensions
Symbol
Dimensions In Millimeters
Dimensions In Inches
Min.
Max.
Min.
Max.
A
7.75
8.13
0.305
0.320
B
5.59
6.22
0.220
0.245
C
6.60
7.11
0.260
0.280
D
2.75
3.25
0.108
0.128
E
2.25
2.82
0.089
0.111
G
2.00
2.62
0.079
0.103
H
1.26
1.56
0.050
0.061
I
0.05
0.15
0.002
0.006
K
4.30
6.00
0.169
0.236
L
1.25
1.75
0.049
0.069
N
0.10
0.30
0.004
0.012
SMC Suggested Pad Layout
Note:
1.Controlling dimension: in millimeters
2.General tolerance: ±0.05mm
3.The pad layout is for reference purposes only
©GUANGDONG HOTTECH INDUSTRIAL CO.,LTD
E-mail:hkt@heketai.com
4/ 5
30BQ040
SCHOTTKY BARRIER DIODE
SMC Tape and Reel
SMC Embossed Carrier Tape
DIMENSIONS ARE IN MILLIMETER
TYPE
A
B
C
d
E
F
P0
P
P1
W
SMC
6.3
8.25
2.90
Ø1.55
1.75
7.50
4.00
8.00
2.00
16.00
TOLERANCE
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
SMC Tape Leader and Trailer
SMC Reel
DIMENSIONS ARE IN MILLIMETER
REEL OPTION
13’’ DIA
TOLERANCE
D
D1
D2
G
H
I
W1
W2
Ø330
100
21
R165
R50
R6.50
16.4
21.00
±2
±1
±1
±1
±1
±1
±1
±1
©GUANGDONG HOTTECH INDUSTRIAL CO.,LTD
E-mail:hkt@heketai.com
5/ 5
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