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參數(shù)資料
型號: MR756RL
廠商: ON SEMICONDUCTOR
元件分類: 參考電壓二極管
英文描述: High Current Lead Mounted Rectifiers
中文描述: 6 A, 600 V, SILICON, RECTIFIER DIODE
封裝: PLASTIC, CASE 194-04, 2 PIN
文件頁數(shù): 5/7頁
文件大小: 104K
代理商: MR756RL
MR750 SERIES
http://onsemi.com
5
Figure 9. Rectification Efficiency
Figure 10. Reverse Recovery Time
REPETITION FREQUENCY (kHz)
2.0
1.0
100
50
30
20
70
3.0
5.0
100
R
70
7.0 10
20
30
50
T
J
= 25
°
C
CURRENT INPUT WAVEFORM
I
R
/I
F
, RATIO OF REVERSE TO FORWARD CURRENT
0.2
0.1
20
7.0
5.0
2.0
1.0
7.0
0.3
0.5
10
3.0
tr
10
0.7 1.0
2.0
3.0
5.0
T
J
= 25
°
C
I
F
= 5 A
3 A
1 A
I
F
0
I
R
t
rr
Figure 11. Junction Capacitance
Figure 12. Forward Recovery Time
V
R
, REVERSE VOLTAGE (VOLTS)
1.0
3.0
500
300
200
100
70
50
2.0
C
10
20
100
7.0
5.0
50
30
T
J
= 25
°
C
1.0
I
F
, FORWARD PULSE CURRENT (AMP)
0.7
0.5
0.3
0.2
0.1
2.0
,
tf
5.0
3.0
1.0
7.0
10
fr
= 1.0 V
T
J
= 25
°
C
fr
f
t
fr
T
J
= 175
°
C
30
700
1000
30
20
10
70
fr
= 2.0 V
R
S
R
L
V
O
Figure 13. SinglePhase HalfWave
Rectifier Circuit
The rectification efficiency factor
σ
shown in Figure 9
was calculated using the formula:
σ
P
(dc)
P
(rms)
V
2
o
(dc)
R
L
V
2
o
(rms)
R
L
.100%
V
2
o
(dc)
V
2
o
(
ac)
V
2
o
(dc)
.100%
(1)
For a sine wave input V
m
sin (wt) to the diode, assumed
lossless, the maximum theoretical efficiency factor becomes:
σ
(sine)
V
2m
2
R
L
V
2m
4R
L
.100%
4
π
2
.100%
40.6%
(2)
For a square wave input of amplitude V
m
, the efficiency
factor becomes:
σ
(square)
V
2m
2
R
L
V
2m
R
L
.100%
50%
(3)
(A full wave circuit has twice these efficiencies)
As the frequency of the input signal is increased, the
reverse recovery time of the diode (Figure 10) becomes
significant, resulting in an increasing AC voltage
component across R
L
which is opposite in polarity to the
forward current, thereby reducing the value of the efficiency
factor
σ
, as shown on Figure 9.
It should be emphasized that Figure 9 shows waveform
efficiency only; it does not provide a measure of diode
losses. Data was obtained by measuring the AC component
of V
o
with a true rms AC voltmeter and the DC component
with a DC voltmeter. The data was used in Equation 1 to
obtain points for Figure 9.
相關PDF資料
PDF描述
MR756RLG High Current Lead Mounted Rectifiers
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相關代理商/技術參數(shù)
參數(shù)描述
MR756RLG 功能描述:整流器 600V 6A Silicon RoHS:否 制造商:Vishay Semiconductors 產(chǎn)品:Standard Recovery Rectifiers 配置: 反向電壓:100 V 正向電壓下降: 恢復時間:1.2 us 正向連續(xù)電流:2 A 最大浪涌電流:35 A 反向電流 IR:5 uA 安裝風格:SMD/SMT 封裝 / 箱體:DO-221AC 封裝:Reel
MR756-T3 制造商:WTE 制造商全稱:Won-Top Electronics 功能描述:6.0A STANDARD DIODE
MR758 制造商:Solid State Devices Inc (SSDI) 功能描述:Diffused Junction Silicon Transistor
MR7580-100S2ANU 功能描述:D-Sub微型D連接器 100P CADMIUM VERT MT SKT MICRO D RoHS:否 制造商:3M Electronic Solutions Division 位置/觸點數(shù)量:26 排數(shù):2 安裝風格:SMD/SMT 安裝角:Right 端接類型:Solder 型式:Female
MR7580-15P1BN 制造商:Glenair Inc 功能描述:Conn Micro D-Subminiature PIN 15 POS 1.9mm Solder ST Thru-Hole 15 Terminal 1 Port
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