SIYU
R
20SQ020......20SQ060
PLASTIC SCHOTTKY
BARRIER RECTIFIER
特征
Features
R-6
塑封肖特基二极管
·大电流承受½力。High
Current Capability
·正向压降½。Low
Forward Voltage Drop
.052(1.3)
DIA
.048(1.2)
1.0(25.4)
MIN
·高温焊接保证
High temperature soldering guaranteed:
260℃/10
秒,
0.375" (9.5mm)引线长度。
260℃/10 seconds, 0.375" (9.5mm) lead length,
·引线可承受5 磅
(2.3kg)
拉力。
5 lbs. (2.3kg) tension
·引线和管½皆符合RoHS标准 。
Lead and body according with RoHS standard
.360(9.1)
.340(8.6)
.360(9.1)
DIA
.340(8.6)
1.0(25.4)
MIN
机械数据
Mechanical Data
·端子: 镀锡½向引线
Terminals: Plated axial leads
·极性: 色环端为负极
Polarity: Color band denotes cathode end
·安装½½: 任意
Mounting Position: Any
Unit：inch（mm）
极限值和电参数
TA = 25℃
除非另有规定。
Maximum Ratings & Electrical Characteristics
符号
Symbols
最大峰值反向电压
Maximum repetitive peak reverse voltage
Ratings at 25℃ ambient temperature unless otherwise specified.
20SQ020
20
14
20
20SQ040
40
28
40
20
20SQ050
50
35
50
20SQ060
60
42
60
单½
Unit
V
RRM
V
R(RMS)
V
DC
I
FM
V
F
I
FSM
IR
R
θJC
Cj
V
V
V
A
最大反向有效值电压
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
最大正向电压降
Maximum forward voltage
IF = 20A
0.50
0.50
280
0.50
50
3.5
450
0.70
0.70
V
A
mA
℃/W
pF
正向峰值浪涌电流 10mS单一正弦半波
Peak forward surge current 8.3 ms single half sine-wave
最大反向漏电流
Maximum reverse current
TA = 25℃
TA = 100℃
典型热阻
典型结电容
Typical thermal resistance
V
R
= 4.0V, f = 1.0MHz
Type junction capacitance
结温
Junction tempeature Range
In DC forward mode
VR
≤
80%V
RRM
Tj
T
STG
-55 --- +200
-55 --- +150
-55 --- +150
℃
℃
工½温度和存储温度
Operating junction and storage temperature range
大昌电子
DACHANG ELECTRONICS
SIYU
R
特性曲线
Characteristic Curves
正向特性曲线（典型值）
TYPICAL FORWARD CHARACTERISTIC
20SQ020......20SQ060
正向电流降额曲线
FORWARD CURRENT DERATING CURVE
10mm
10mm
100
平均正向电流
I
F(AV)
(A)
Average Forward Rectified Current (A)
I
F
Instantaneous Forward Current (A)
24
20
16
12
DC forward
10
20SQ020
20SQ040
I
F
(A)
正向电流
20SQ050
20SQ060
Tj = 25 °C
1
8
4
0
0
25
50
VR
≤
80%V
RRM
0.1
0.2
0.3
0.4
0.5
V
F
(V)
0.6
0.7
I
F(A)
75 100 125 150 175 200
正向电压
V
F
Instantaneous Forward Voltage (V)
管½温度 Tc(°C)
Case temperature (°C)
浪涌特性曲线（最大值）
MAXIMUM NON REPETITIVE
PEAK FORWARD SURGE CURRENT
375
I
FSM
Peak Forward Surge Current (A)
300
峰值正向浪涌电流 I
FSM
(A)
225
150
75
0
1
2
4 6 10
20
40
100
通过电流的周期
Number of Cycles at 50 Hz.
大昌电子
DACHANG ELECTRONICS
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