JIANGSU CHANGJING ELECTRONICS TECHNOLOGY CO., LTD
SMAG Plastic-Encapsulate Diodes
High Efficient Rectifier Diodes
US1A THRU US1M
Features
SMAG
●IF(AV)
1A
●VRRM
50V-1000V
●High surge current capability
●
Polarity: Color band denotes cathode
Applications
●Rectifier
Marking
●US1X
:
X From A To M
Limiting Values(Absolute Maximum Rating)
US1
Item
Symbol
Unit
V
Test Conditions
A
B
D
G
J
K
M
VRRM
Repetitive Peak Reverse Voltage
MaximumRMS Voltage
50
100
70
800 1000
600
200 400
35
140 280 420 560
700
V
V
RMS
60Hz Half-sine wave,
Resistance load
Average Forward Current
1.0
IF(AV)
A
A
60Hz Half-sine wave,
1 cycle,Ta=25℃
Surge(Non-repetitive)Forward
Current
30
IFSM
Operation Junction and
Storage Temperature Range
TJ,TSTG
℃
-55 ~ +150
Electrical Characteristics (T=25℃ Unless otherwise specified)
US1
Symbol
Unit
Test Condition
Item
A
B
D
G
J
K
M
VF
IF =1.0A
Peak Forward Voltage
V
1.0
1.3
1.7
Maximum reverse recovery
time
ns
I =0.5A,I =1.0A,I
t
rr=0.25A
F
R
50
rr
75
IRRM1
IRRM2
T =25℃
5
a
VRM=VRRM
Peak Reverse Current
μA
T =125℃
a
50
Between junction and ambient
Between junction and terminal
75
27
12
Rθ
J-A
Thermal
Resistance(Typical)
℃/
W
Rθ
J-L
Juction Capacitance
(Typical)
Measured at 1MHZ and Applied
Reverse Voltage of 4.0 V.D.C
pF
Cj
6
14
Notes:
Thermal resistance from junction to ambient and from juction to lead mounted on FR4 PCB double sided copper mini pad
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1
Rev. - 1.2