US1AAS THRU US1MAS
SURFACE MOUNT ULTRA FAST RECTIFIER
Reverse Voltage - 50 to 1000 Volts Forward Current - 1.0 Ampere
FEATURES
SMAS
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
Cathode Band
Top View
For surface mounted applications
Ultra fast switching for high efficiency
Low reverse leakage
0.110(2.80)
0.094(2.40)
0.059(1.50)
0.051(1.30)
Built-in strain relief,ideal for automated placement
High forward surge current capability
High temperature soldering guaranteed
0.144(3.65)
0.128(3.25)
260 C/10 seconds at terminals
Glass passivated chip junction
0.010(0.25)
0.004(0.10)
0.047(1.20)
0.039(1.00)
0.047(1.20)
0.028(0.70)
MECHANICAL DATA
Case
: SMAS molded plastic body over passivated chip
Terminals: Solder plated, solderable per MIL-STD-750,
Method 2026
0.189(4.80)
0.173(4.40)
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight
:0.0011 ounce, 0.029 grams
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%.
SYMBOLS
UNITS
US1AAS
US1KAS
US1BAS US1DAS US1GASUS1JAS
US1MAS
100
1000
700
V
V
V
Maximum repetitive peak reverse voltage
Maximum RMS voltage
50
35
50
600
420
600
800
560
800
200
140
200
400
280
400
VRRM
VRMS
VDC
70
100
1000
Maximum DC blocking voltage
Maximum average forward rectified current
at TL=90 C
I(AV)
A
1.0
Peak forward surge current
IFSM
30.0
1.4
8.3ms single half sine-wave superimposed on
rated load
A
V
VF
IR
1.0
1.7
75
Maximum instantaneous forward voltage at 1.0A
Maximum DC reverse current
at rated DC blocking voltage
Maximum reverse recovery time
TA=25 C
TA=100 C
(NOTE 1)
5.0
50.0
µ
A
ns
trr
50
Typical junction capacitance (NOTE 2)
pF
CJ
15.0
RθJA
RθJL
90.0
30.0
Typical thermal resistance (NOTE 3)
C/W
C
Operating junction and storage temperature range
TJ,TSTG
-55 to +150
Note:1.Reverse recovery condition IF=0.5A,IR=1.0A,Irr=0.25A
2.Measured at 1MHz and applied reverse voltage of 4.0V D.C.
3.P.C.B. mounted with 0.2x0.2”(5.0x5.0mm) copper pad areas
DN:S04E04A0
STAR SEA