SIYU
R
塑封超快速整流二极管
反向电压
200---600V
正向电流
20A
TO-220AB
DFR20A20CT ...... DFR20A60CT
Plastic Ultra-Fast Recover Rectifier
Reverse Voltage 200 to 600 V
Forward Current 20 A
特征
Features
·大电流承受½力。High
Current Capability
·正向压降½。Low
Forward Voltage Drop
·½功耗高效率。Low
Power Loss，High Efficiency
·引线和管½皆符合RoHS标准 。
Lead and body according with RoHS standard
机械数据
Mechanical Data
·封装:
塑料封装
Case: Molded Plastic
·极性:
标记模压或印于本½
Polarity: Symbols molded or marked on body
·安装½½:
任意
Unit：inch（mm）
1
2
3
Mounting Position: Any
·安装扭距:
推荐值
0.3牛*米
Mounting torque：
Recommend 0.3 N*m
极限值和温度特性
TA = 25℃
除非另有规定。
Maximum Ratings & Thermal Characteristics
符号
Symbols
最大可重复峰值反向电压
Maximum repetitive peak reverse voltage
Ratings at 25℃ ambient temperature unless otherwise specified.
DFR20A20CT
200
140
200
DFR20A30CT
300
210
300
DFR20A40CT
400
280
400
20
DFR20A60CT
600
420
600
单½
Unit
V
V
V
A
A
℃/W
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
R
θJC
Tj, TSTG
最大均方根电压
Maximum RMS voltage
最大直流阻断电压
Maximum DC blocking voltage
最大正向平均整流电流
Maximum average forward rectified current
峰值正向浪涌电流 8.3ms单一正弦半波
Peak forward surge current 8.3 ms single half sine-wave
125
4.0
典型热阻
Typical thermal resistance
工½结温和存储温度
Operating junction and storage temperature range
-55---+150
℃
电特性
TA = 25℃
除非另有规定。
Electrical Characteristics
Ratings at 25℃ ambient temperature unless otherwise specified.
符号
Symbols
最大正向电压
Maximum forward voltage
DFR20A20CT
DFR20A30CT
DFR20A40CT
DFR20A60CT
单½
Unit
V
μA
I
F
= 10A
TA= 25℃
TA=125℃
I
F
=0.5A I
R
=1.0A I
REC
=0.25A
V
F
0.98
1.30
30
250
40
1.80
最大反向电流
Maximum reverse current
I
R
trr
最大反向恢复时间
MAX. Reverse Recovery Time
nS
大昌电子
DACHANG ELECTRONICS
SIYU
R
正向特性曲线（典型值）
DFR20A20CT ...... DFR20A60CT
正向电流降额曲线
FORWARD CURRENT DERATING CURVE
特性曲线
Characteristic Curves
TYPICAL FORWARD CHARACTERISTIC
100
平均正向电流
I
F(AV)
(A)
Average Forward Rectified Current (A)
I
F(A)
I
F
Instantaneous Forward Current (A)
24
DFR20A20CT
20
16
12
8
4
0
0
25
50
75
100
125
150
175
管壳温度 Ta(°C)
Tc, case temperature (°C)
10
I
F
(A)
正向电流
1
DFR20A30CT
DFR20A40CT
0.1
DFR20A60CT
0.01
0.8
Tj = 25 °C
1.0
1.2
1.4
1.6
1.8
正向电压 V
F
(V)
V
F
Instantaneous Forward Voltage (V)
浪涌特性曲线（最大值）
MAXIMUM NON REPETITIVE
PEAK FORWARD SURGE CURRENT
125
I
FSM
Peak Forward Surge Current (A)
峰值正向浪涌电流 I
FSM
(A)
100
75
50
25
0
1
2
4 6 10
20
40
100
通过电流的周期
Number of Cycles at 60 Hz.
大昌电子
DACHANG ELECTRONICS
京公网安备 11010802033920号
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