US1A
THRU
US1M
1.0 Amps. Surface Mount Ultrafast Rectifiers
Voltage Range
50 to 1000 Volts
Current
1.0 Amperes
Features
Glass passivated junction chip
For surface mounted application
Low profile package
Built-in strain relief
Ideal for automated placement
Easy pick and place
Ultrafast recovery time for high efficiency
Low forward voltage, low power loss
High temperature soldering guaranteed:
O
260 C/10 seconds on terminals
Plastic material used carries Underwriters
Laboratory Classification 94V-O
.062(1.58)
.050(1.27)
SMA/DO-214AC
.111(2.83)
.090(2.29)
.187(4.75)
.160(4.06)
.091(2.30)
.078(1.99)
Mechanical Data
Cases: Molded plastic
Terminals: Solder plated, solderable per
MIL-STD-750, Method 2026
Polarity: Indicated by cathode band
Weight: 0.064 gram
.056(1.41)
.035(0.90)
.008(.20)
.004(.10)
.210(5.33)
.195(4.95)
.012(.31)
.006(.15)
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25℃ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%
Type Number
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
@ T
L
=110℃
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated
Load (JEDEC method )
Maximum Instantaneous Forward Voltage
@ 1.0A
Maximum DC Reverse Current @ T
A
=25℃
at Rated DC Blocking Voltage @ T
A
=100℃
Maximum Reverse Recovery Time ( Note 1 )
Typical Junction Capacitance ( Note 2 )
Maximum Thermal Resistance (Note 3)
Operating Temperature Range
Symbol
US1A US1B US1D US1G US1J US1K US1M
Units
V
RRM
V
RMS
V
DC
I
(AV)
I
FSM
V
F
I
R
Trr
Cj
R
θ
JA
R
θ
JL
T
J
T
STG
50
35
50
100
70
100
200
140
200
400
280
400
1.0
30
600
420
00
800
560
800
1000
700
1000
V
V
V
A
A
1.0
10
50
50
15
75
27
-55 to +150
-55 to + 150
1.7
V
uA
uA
nS
pF
℃/W
℃
℃
75
10
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 MHz and Applied V
R
=4.0 Volts
3. P.C.B. Mounted on 0.2 x 0.2” (5.0 x 5.0mm) Copper Pad Area.
- 368 -
TSC [ TAIWAN SEMICONDUCTOR COMPANY, LTD ]
