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参数资料
| 型号： | MR760 |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 整流器 |
| 英文描述： | 6 A, 1000 V, SILICON, RECTIFIER DIODE |
| 封装： | PLASTIC, CASE 194-04, 2 PIN |
| 文件页数： | 5/7页 |
| 文件大小： | 96K |
| 代理商： | MR760 |
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
RELA
TIVE
EFFICIENCY
(%)
70
7.0 10
20
30
50
TJ = 25°C
CURRENT INPUT WAVEFORM
IR/IF, 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
t rr
,
REVERSE
RECOVER
Y
TIME
(
s)m
10
0.7 1.0
2.0
3.0
5.0
TJ = 25°C
IF = 5 A
3 A
1 A
IF
0
IR
trr
Figure 11. Junction Capacitance
Figure 12. Forward Recovery Time
VR, REVERSE VOLTAGE (VOLTS)
1.0
3.0
500
300
200
100
70
50
2.0
C,
CAP
ACIT
ANCE
(pF)
10
20
100
7.0
5.0
50
30
TJ = 25°C
1.0
IF, FORWARD PULSE CURRENT (AMP)
0.7
0.5
0.3
0.2
0.1
2.0
,
FOR
W
ARD
RECOVER
Y
TIME
(
s)
t fr
5.0
3.0
1.0
7.0
10
m
ufr = 1.0 V
TJ = 25°C
ufr
uf
tfr
TJ = 175°C
30
700
1000
30
20
10
70
ufr = 2.0 V
RS
RL
VO
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)
+
V2o(dc)
R
L
V2o(rms)
RL
.100%
+
V2o(dc)
V2o(ac)
) V2o(dc)
.100%
(1)
For a sine wave input Vm sin (wt) to the diode, assumed
lossless, the maximum theoretical efficiency factor becomes:
σ
(sine) +
V2m
p2RL
V2m
4RL
.100% + 4
π2
.100%
+ 40.6%
(2)
For a square wave input of amplitude Vm, the efficiency
factor becomes:
σ
(square) +
V2m
2RL
V2m
RL
.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 RL 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 Vo 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.
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相关代理商/技术参数 |
参数描述 |
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| MR760RL | 功能描述:DIODE STD REC 6A 1000V AXIAL RoHS:否 类别:分离式半导体产品 >> 单二极管/整流器 系列:- 标准包装:100 系列:- 二极管类型:标准 电压 - (Vr)（最大）:50V 电流 - 平均整流 (Io):6A 电压 - 在 If 时为正向 (Vf)（最大）:1.4V @ 6A 速度:快速恢复 = 200mA（Io） 反向恢复时间(trr):300ns 电流 - 在 Vr 时反向漏电:15µA @ 50V 电容@ Vr, F:- 安装类型:底座，接线柱安装 封装/外壳:DO-203AA，DO-4，接线柱 供应商设备封装:DO-203AA 包装:散装 其它名称:*1N3879 |
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