US1A thru US1K
SURFACE MOUNT ULTRAFAST
RECTIFIER
CHENG- YI
ELECTRONIC
VOLTAGE RANGE
-50 TO 800 VOLTS
CURRENT
-1.0 Amperes
SMA/DO-214AC
FEATURES
For surface mounted applications
Low profile package
Built-in strain relief
Easy pick and place
Ultrafast recovery times for high efficiency
Plastic package has Underwriters Laboratory
Flammability Classification 94V-O
Glass passivated junction
High temperature soldering
260
o
C/10 seconds at terminals
.055(1.40)
.062(1.60)
.098(2.50)
.114(2.90)
.157(4.00)
.181(4.60)
.006(.152)
.012(.305)
.078(2.00)
.096(2.44)
.002(.051)
.008(.203)
.188(4.80)
.208(5.28)
MECHANICAL DATA
Case: JEDEC DO-214AC molded plastic
Terminals: Solder plated, solderable per
MIL-STD-750, Method 2026
Polarity: Indicated by cathode band
Standard Packaging: 12mm tape (EIA-481)
Weight: 0.002 ounces, 0.064 gram
.030(0.76)
.060(1.52)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
0
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, reistive or inductive load.
For capacitive load, derate current by 20%.
SYMBOLS
US1A
50
35
50
US1B
100
70
100
US1D
200
140
200
1.0
US1G
400
280
400
US1J
600
420
600
US1K
800
560
800
UNITS
V
V
V
A
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current,
at T
L=100 C
0
V
RRM
V
RMS
V
DC
I
(AV)
Peak Forward Surge Current
8.3 ms single half sine-wave superimposed
on rated load (JEDEC Method)
TA=55 C
0
I
FSM
V
F
I
R
0
30.0
A
Maximum Instantaneous Forward Voltage at 1.0A
Maximum DC Reverse Current
at Rated DC Blocking Voltage
@ TA=25
0
C
@ TA=100 C
0
1.0
10.0
100
50.0
17.0
1.4
1.7
V
A
100.0
Maximum Reverse Recovery Time (Note 1)
TJ=25 C
Typical Junction Capacitance (Note 2)
Maximum Thermal Resistance (Note 3)
Operating and Storage Temperature Range
R
T
RR
C
J
JL
T
J
, T
STG
nS
pF
0
30.0
-50 to +150
C/W
0
C
Notes : 1. Reverse Recovery Test Conditions: I
F
=0.5A, I
R
=1.0A, I
RR
=0.25A
2. Measured at 1.0 MH
Z
and Applied Vr=4.0 volts.
3. 8.0mm
2
(.013mm thick) land areas.
CHENG-YI [ CHENG-YI ELECTRONIC CO., LTD. ]
