R
SIYU
US2A ...... US2M
Surface Mounted High-efficiency Rectifier
表面安装高效率整流二极管
反向电压50 --- 1000 V
正向电流2.0 A
Reverse Voltage 50 --- 1000 V
Forward Current 2.0 A
特征 Features
SMB
·反向漏电流低 Low reverse leakage
·正向浪涌承受能力较强 High forward surge capability
·高温焊接保证 High temperature soldering guaranteed:
.155(3.94)
.130(3.30)
.083(2.11)
.075(1.91)
260
℃
/10
秒
seconds at terminals
.185(4.70)
.160(4.06)
·引线和管体皆符合RoHS标准 。
Lead and body according with RoHS standard
.012(0.305)
.006(0.152)
.096(2.44)
.083(2.13)
机械数据 Mechanical Data
.050(1.27)
.030(0.76)
.008(0.203)
.002(0.051)
·封装
·端子
:
:
塑料封装 Case: Molded plastic body
焊料被镀 Terminals: Solder plated
.220(5.59)
.200(5.08)
·极性
:
色环端为负极 Polarity: Color band denotes cathode end
Unit
:
inch
(
mm
)
·安装位置: 任意 Mounting Position: Any
极限值和温度特性 TA = 25℃ 除非另有规定。
Maximum Ratings & Thermal Characteristics Ratings at 25℃ambient temperature unless otherwise specified.
符号
Symbols
单位
Unit
US2A US2B US2D US2G US2J US2K US2M
最大可重复峰值反向电压
Maximum repetitive peak reverse voltage
V
V
V
A
A
50
35
50
100
70
200
140
200
400
280
600
420
600
800
560
800
1000
700
VRRM
最大均方根电压
Maximum RMS voltage
VRMS
最大直流阻断电压
Maximum DC blocking voltage
VDC
IF(AV)
IFSM
100
400
2.0
50
1000
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
℃/W
50
典型热阻 Typical thermal resistance
RθJA
工作结温和存储温度
Tj, TSTG
-55 --- +150
℃
Operating junction and storage temperature range
电特性 TA = 25
℃除非另有规定。
Electrical Characteristics Ratings at 25
℃
ambient temperature unless otherwise specified.
符号
Symbols
单位
Unit
US2A US2B US2D US2G US2J US2K US2M
IF =2.0A
最大正向电压
Maximum forward voltage
1.0
1.3
1.7
VF
V
最大反向电流
TA= 25
℃
10
IR
trr
Cj
μA
Maximum reverse current
TA= 125
℃
500
IF=0.5A IR=1.0A IRR=0.25A
最大反向恢复时间
MAX. Reverse Recovery Time
50
75
nS
pF
典型结电容
Type junction capacitance
VR = 4.0V, f = 1MHz
15
大昌电子 DACHANG ELECTRONICS