Weitron B820 Surface mount schottky barrier rectifier Datasheet

B820 thru B860
Surface Mount Schottky Barrier Rectifiers
Features:
*For Surface Mount Application
*Metal-Semiconductor Junction With Guardring
*Epitaxial Construction
*Very Low Forward Voltage Drop
*High Current Capability
*Plastic Meterial Has UL Flammability Classification 94V-0
*For Use In Low , And Polarity Protection Applications
REVERSE VOLTAGE
20 TO 60 VOLTS
FORWARD CURRENT
8.0 AMPERE
SMC(DO-214AB)
Mechanical Data:
*Case : Molded Plastic
*Polarity :Indicated by cathode band
*Weight : 0.007 Ounce ,0.21 grams
SMC Outline Dimension
Unit:mm
SMC
Dim
A
B
C
D
E
G
H
J
WEITRON
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Min
Max
5.59
6.22
6.60
2.75
0.15
7.11
3.18
0.31
7.75
0.10
8.13
0.20
0.76
1.52
2.00
2.62
B820 thru B860
Maximum Ratings and Electrical Characteristics
Rating 25 C Ambient Temperature Unless Otherwise Specified.
Single Phase Half Wave, 60Hz , Resistive or Inductive Load.
For Capacitive Load, Derate Current by 20%.
Characteristics
Symbol B820 B830 B840 B850 B860 Unit
Maximum Recurrent Peak Reverse Voltage
VRRM
20
30
40
50
60
V
Maximum RMS Voltage
VRMS
14
21
28
35
42
V
Maximum DC Blocking Voltage
VDC
20
30
40
50
60
V
Maximum Average Forward
Rectified Current @TC=95 C
IF (AV)
8.0
A
IFSM
175
A
Peak Forward Surge Current,
8.3 ms Single Half Sine-Wave
Superimposed on Rated Load (JEDEC Method)
Maximum Instantaneous At 8.0A DC
Maximum DC Reverse Current @Tj=25 C
At Rated DC Blocking Voltage @Tj=100 C
Typical Junction Capacitance (Note 1)
Typical Thermal Resistance (Note 2)
Operating Temperature Range
Storage Temperature Range
VF
IR
CJ
R qJL
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0.7
0.5
50
450
V
mA
PF
10
C/W
TJ
-55 to+125
C
TSTG
-55 to+150
C
NOTES:1.Measured at 1.0MHz applied reverse voltage of 4.0V DC.
2.Thermal Resistance Junction to case.
WEITRON
0.55
B820 thru B860
FIG.2 - MAXIMUM NON-REPETITIVE SURGE CURRENT
PEAK FORWARD SURGE CURRENT,
AMPERES
AVERAGE FORWARD CURRENT
AMPERES
FIG.1 - FORWARD CURRENT DERATING CURVE
10
300
250
8
200
6
150
4
100
RESISTIVE OR
INDUCTIVE LOAD
2
0
50
25
75
100
125
150
175
50
0
8.3ms Single Half-Sine-Wave
(JEDEC METHOD)
1
2
5
CASE TEMPERATURE , C
FIG.3 - TYPICAL REVERSE CHARACTERISTICS
20
50
100
FIG.4 - TYPICAL FORWARD CHARACTERISTICS
1000
100
INSTANTANEOUS FORWARD CURRENT ,(A)
INSTANTANEOUS REVERSE CURRENT ,(mA)
10
NUMBER OF CYCLES AT 60Hz
100
10
TJ = 100 C
TJ = 75 C
1.0
TJ = 25 C
0.1
0.01
B820 ~ B840
10
B850 ~ B860
1.0
TJ = 25 C
PULSE WIDTH 300us
300ua
2% Duty cycle
0.1
0
20
40
60
80
100
140
120
0.1
0.2
0.3
0.4
FIG.5 - TYPICAL JUNCTION CAPACITANCE
CAPACITANCE , (pF)
10000
1000
TJ = 25 C, f= 1MHz
100
0.1
1
4
10
REVERSE VOLTAGE , VOLTS
WEITRON
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0.5
0.6
0.7
0.8
0.9
INSTANTANEOUS FORWARD VOLTAGE , VOLTS
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
100
1.0
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