概述
数据手册SM4937 概述
SURFACE MOUNT RECTIFIERS 表面贴装整流器
SM4937 数据手册
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PDF下载SM4933 THRU SM4937
SURFACE MOUNT RECTIFIERS
VOLTAGE RANGE: 50 --- 600 V
CURRENT: 1.0 A
FEATURES
◇ Glass passivated device
DO-213AB
◇ Ideal for surface mounted applications
◇ Low leakage
◇ Low forward voltage drop
◇ High current capability
SOLDERABLE ENDS
＋0
－0.20
D2=D1
◇ Easily cleaned with Alcohol,Isopropnol
and similar solvents
D2
◇ The plastic material carries U/L
recognition 94V-0
MECHANICAL DATA
0.5± 0.1
0.5± 0.1
◇ Case: JEDEC DO-213AB,molded plastic
◇ Terminals: Solderable per MIL- STD-202,
Method 208
4.9± 0.2
◇ Polarity: Color band denotes cathode
◇ Weight: 0.0046 ounces, 0.116 grams
◇ Mounting position: Any
Dimensions in millimeters
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25℃ ambient temperature unless otherwise specified.
Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate current by 20%.
SM4933 SM4934 SM4935 SM4936 SM4937
UNITS
MDD Catalog
Number
VRRM
VRMS
VDC
50
35
50
Maximum recurrent peak reverse voltage
Maximum RMS voltage
100
70
200
140
200
400
280
400
600
420
600
V
V
V
Maximum DC blocking voltage
Maximum average forward rectified current
@TA=55℃
100
I(AV)
1.0
A
Peak forward surge current
8.3ms single half-sine-wave
superimposed on rated load
IFSM
30
A
Maximum instantaneous forward voltage
@1.0A
VF
IR
1.2
V
5.0
Maximum reverse current
@TA=25℃
µA
at rated DC blocking voltage @TA=125℃
Maximum reverse recovery time (Note1)
Typical junction capacitance (Note2)
Maximum thermal resistance (Note3)
Maximum thermal resistance (Note4)
Operating junction temperature range
100
trr
Cj
200
ns
pF
15
30
R θJL
R θJA
Tj
℃/W
℃/W
℃
75
-55 --- + 150
-55 --- + 150
TSTG
Storage temperature range
℃
NOTE: 1. Test conditions:IF=1.0A,VR=30V.
2. Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
3. Thermal resistance junction to terminal 6.0mm 2 copper pads to each terminal.
4. Thermal resistance junction to ambient 6.0mm 2 copper pads to each terminal.
MDD ELECTRONIC
RATINGS AND CHARACTERISTIC CURVES SM4933 THRU SM4937
FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50
10
trr
N 1.
N 1.
+0.5A
D.U.T.
0
(+)
PULSE
GENERATOR
(NOTE2)
-0.25A
25VDC
(approx)
(-)
OSCILLOSCOPE
(NOTE 1)
1
NONIN-
DUCTIVE
-1.0A
1cm
NOTES:1.RISE TIME = 7ns MAX.INPUT IMPEDANCE = 1M .22pF.
SET TIME BASE FOR 80ns/cm
JJJJJ2.RISE TIME =10ns MAX.SOURCE IMPEDANCE=50
.
FIG.2 -- TYPICAL FORWARD CHARACTERISTIC
FIG.3 -- FORWARD DERATING CURVE
z
20
T
= 25
J
10
Pulse Width = 300us
1% Duty Cycle
1.0
.8
1.0
.6
.4
Single Phase
Half Wave 60Hz
.1
.2
0
Resistive or
Inductive Load
0
25
50
75 100 125 150 175
.01
.6
.8
1.0
1.2
1.4
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
LEAD TEMPERATURE,
FIG.4 -- TYPICAL JUNCTION CAPACITANCE
FIG.5 -- PEAK FORWARD SURGE CURRENT
50
200
100
60
8.3ms Single Half
Sine-Wave
40
30
40
20
20
10
0
10
T
= 25
J
6
4
2
1
1
5
10
50 100
.1 .2 .4
1.0
2
4
10 20 40 100
REVERSE VOLTAGE,VOLTS
NUMBER OF CYCLES AT 60Hz
MDD ELECTRONIC
SM4937 相关器件
| 型号 | 制造商 | 描述 | 价格 | 文档 |
| SM4937-B | RECTRON | Rectifier Diode, 1 Element, 1A, 600V V(RRM), Silicon, ROHS COMPLIANT, PLASTIC, MELF-2 | 获取价格 |
|
| SM4937-LFR | FRONTIER | 1A SURFACE MOUNT FAST RECOVERY RECTIFIERS | 获取价格 |
|
| SM4937-T/R | FRONTIER | Rectifier Diode, 1 Element, 1A, Silicon | 获取价格 |
|
| SM4937-TP | MCC | Rectifier Diode, 1 Element, 1A, 600V V(RRM), Silicon, DO-214AC, ROHS COMPLIANT, PLASTIC, HSMA, 2 PIN | 获取价格 |
|
| SM4937-TP-HF | MCC | 暂无描述 | 获取价格 |
|
| SM4937-W | RECTRON | 暂无描述 | 获取价格 |
|
| SM4937A | BYTES | 1.0 AMP SURFACE MOUNT FAST RECOVERY RECTIFIERS | 获取价格 |
|
| SM4937A-TP | MCC | 暂无描述 | 获取价格 |
|
| SM4937P | MCC | DIODE 1 A, 600 V, SILICON, SIGNAL DIODE, DO-214AC, SMAJ, 2 PIN, Signal Diode | 获取价格 |
|
| SM4954 | MICROSEMI | Zener Diode, 6.8V V(Z), 5%, 10W, Silicon, Unidirectional | 获取价格 |
|
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