WEITRON US1B

US1A Thru US1M
Surface Mount Ultra Fast Rectifiers
REVERSE VOLTAGE
50 TO 1000 VOLTS
FORWARD CURRENT
1.0 AMPERE
Features:
* For Surface Mount Application
* Glass Passivated Chip
* Low Reverse Leakage Current
* Low Forward Voltage Drop And High Current Capability
* Ultra Fast Switching For High Efficiency
* Plastic Meterial Has UL Flammability Classification 94V-0
Mechanical Data
* Case : Molded Plastic
* Terminals: Solder Plated Terminal-Solderable per MIL-STD-202, Method 208
* Polarity :Indicated by cathode band
* Weight : 0.002 Ounce ,0.064 grams
SMA(DO-214AC)
SMA Outline Dimension
Unit:mm
B
A
C
D
J
G
H
E
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Dim
A
B
C
D
E
G
H
J
SMA
Min
2.20
4.00
1.27
0.15
4.48
0.10
0.76
1.70
Max
2.92
4.60
1.63
0.31
5.59
0.20
1.52
2.62
US1A Thru US1M
Maximum Ratings and Electrical Characteristics
Rating 25 C Ambient Temperature Unless Otherwise Specified.
Single Phase Half Wave, 60Hz , Resistive or Inductive Load.
For Capacitive Load, Derate Current by 20%.
Characteristics
Symbol US1A US1B US1D US1G US1J US1K US1M Unit
Maximum Recurrent Peak Reverse Voltage
VRRM
50
100
200
400
600
800
1000
Maximum RMS Voltage
VRMS
35
70
140
280
420
560
700
Maximum DC Blocking Voltage
VDC
50
100
200
400
600
800
1000
Maximum Average Forward
Rectified Current @T T =75 C
V
IF(AV)
1.0
A
IFSM
30
A
Peak Forward Surge Current,
8.3 ms Single Half Sine-Wave
Superimposed on Rated Load (JEDEC Method)
Maximum Instantaneous At 1.0A DC
Maximum DC Reverse Current @T A =25 C
At Rated DC Blocking Voltage @T A =100 C
VF
1.0
1.30
1.70
5.0
IR
V
uA
100
Maximun Reverse Recocery Time(Note1)
Trr
50
100
nS
Typical Junction Capacitance (Note 2)
CJ
20
10
PF
R JT
75
C/W
TJ
-55 to+150
C
TSTG
-55 to+150
C
Typical Thermal Resistance (Note 3)
Operating Temperature Range
Storage Temperature Range
NOTES:1.Reverse Recovery Test Conditions: I F=0.5A, I R=1.0A, I RR =0.25A.
2.Measured at 1.0MHz applied reverse voltage of 4.0V DC.
3.Unit Mounted on PC board with 5.0 mm2(0.03mm thick) land areas.
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1.0
0.5
0
25
50
75
100
125
150
I F , INS TANTANE OUS F OR WAR D C UR R E NT (A)
I (AV) , AVE R AG E R E C T IF IE D C UR R E NT (A)
US1A thru US1M
10
US 1A - US 1D
US 1G
1.0
US 1J - US 1M
0.1
0.01
0
0.8
1.2
1.6
2.0
V F , INS TANTANE OUS F OR WAR D V OLTAG E (V )
F IG .2 Tpical F orward C haracteris tics
T T , T E R MINAL T E MP E R AT UR E (°C )
F IG .1 F orward C urrent Deratin C urve
I F S M, P E AK F OR WAR D S UR G E C UR R E NT (A)
0.4
40
1000
S ingle Half S ine-Wave
(J E DE C Method)
100
30
T j = 100°C
10
20
1.0
T j = 25°C
10
0.1
T j = 150°C
0.01
0
1
10
0
100
NUMB E R OF C Y C LE S AT 60Hz
F IG . 3 F orward S urge C urrent Derating C urve
20
40
60
80
100
120
140
P E R C E NT OF R AT E D P E AK R E V E R S E V OLTAG E (% )
F IG. . 4 T ypical R evers e C haracteris tics
trr
+0.5A
Device
Under
Tes t
(+)
0A
(-)
P uls e
G enerator
(Note 2)
50V DC
Approx
(-)
-0.25A
Os cillos cope
(Note 1)
-1.0A
S et time bas e for 50/100 ns /cm
F IG. . 5 R evers e R ecovery Time C haracteris tic and Tes t C ircuit
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(+)