B840 [WEITRON]
Surface Mount Schottky Barrier Rectifiers; 表面贴装肖特基二极管
| 型号： | B840 |
| 厂家： | 
WEITRON TECHNOLOGY |
| 描述： | Surface Mount Schottky Barrier Rectifiers |
| 文件： | 总3页 (文件大小：207K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
B820 thru B860
Surface Mount Schottky Barrier Rectifiers
REVERSE VOLTAGE
20 TO 60 VOLTS
FORWARD CURRENT
8.0 AMPERE
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
SMC(DO-214AB)
Mechanical Data:
*Case : Molded Plastic
*Polarity :Indicated by cathode band
*Weight : 0.007 Ounce ,0.21 grams
Unit:mm
SMC Outline Dimension
SMC
Dim
Min
Max
A
B
C
D
E
5.59
6.60
2.75
0.15
6.22
7.11
3.18
0.31
8.13
0.20
1.52
2.62
7.75
0.10
0.76
2.00
G
H
J
WEITRON
http://www.weitron.com.tw
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%.
Symbol
VRRM
VRMS
VDC
Characteristics
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
B820 B830 B840 B850 B860 Unit
20
14
20
30
21
30
40
28
40
50
35
50
60
42
60
V
V
V
Maximum DC Blocking Voltage
Maximum Average Forward
A
I (AV)
F
8.0
Rectified Current @TC=95 C
Peak Forward Surge Current,
A
175
8.3 ms Single Half Sine-Wave
IFSM
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
VF
IR
0.55
0.7
V
0.5
50
450
mA
PF
CJ
R
10
C/W
C
θ
JL
-55 to+125
-55 to+150
TJ
Storage Temperature Range
TSTG
C
NOTES:1.Measured at 1.0MHz applied reverse voltage of 4.0V DC.
2.Thermal Resistance Junction to case.
WEITRON
http://www.weitron.com.tw
B820 thru B860
FIG.1 - FORWARD CURRENT DERATING CURVE
FIG.2 - MAXIMUM NON-REPETITIVE SURGE CURRENT
10
8
300
250
200
150
100
6
4
RESISTIVE OR
INDUCTIVE LOAD
2
0
50
0
8.3ms Single Half-Sine-Wave
(JEDEC METHOD)
20
NUMBER OF CYCLES AT 60Hz
50
75
100
125
150
175
1
2
5
10
50
100
25
CASE TEMPERATURE , C
FIG.3 - TYPICAL REVERSE CHARACTERISTICS
FIG.4 - TYPICAL FORWARD CHARACTERISTICS
1000
100
100
B820 ~ B840
10
10
TJ = 100 C
TJ = 75 C
B850 ~ B860
1.0
1.0
0.1
TJ = 25 C
0.1
TJ = 25 C
PULSE WIDTH 300us
2% Duty cycle
0.01
140
20
40
60
80
100
120
0
0.8
0.9
0.1 0.2
0.3
0.4
0.5
0.6
0.7
1.0
INSTANTANEOUS FORWARD VOLTAGE , VOLTS
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
FIG.5 - TYPICAL JUNCTION CAPACITANCE
10000
1000
TJ = 25 C, f= 1MHz
100
0.1
1
4
100
10
REVERSE VOLTAGE , VOLTS
WEITRON
http://www.weitron.com.tw
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