US1A THRU US1M
SURFACE MOUNT ULTRAFAST RECOVERY RECTIFIER
Reverse Voltage – 50 to 1000 V
Forward Current – 1 A
Features
• For surface mount applications
• Low profile package
• Built-in strain relief
• Easy pick and place
• Ultrafast recovery times for high efficiency
• Plastic package has Underwriters Laboratories
Flammability Classification 94V-0
Mechanical Data
•
Case:
SMA (DO-214AC) molded plastic
•
Terminals:
Solder plated, solderable per
MIL-STD-750, method 2026 guaranteed
•
Polarity:
Color band denotes cathode end
Maximum Ratings and Electrical Characteristics
Ratings at 25
O
C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Symbols US1A US1B US1D US1G US1J US1K US1M Units
Parameter
Maximum Repetitive Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified
Current at T
L
= 100
O
C
Peak Forward Surge Current 8.3 ms Single
Half Sine-wave Superimposed on Rated
Load (JEDEC Method)
Maximum Forward Voltage at 1 A
Maximum DC Reverse Current T
A
= 25
O
C
at Rated DC Blocking Voltage T
A
= 100
O
C
Typical Junction Capacitance at 4 V, 1 MHz
Maximum Reverse Recovery Time
at I
F
= 0.5 A, I
R
= 1 A, I
rr
= 0.25 A
Typical Thermal Resistance
1)
Operating and Storage Temperature Range
1)
V
RRM
V
RMS
V
DC
I
F(AV)
50
35
50
100
70
100
200
140
200
400
280
400
1
600
420
600
800
560
800
1000
700
1000
V
V
V
A
I
FSM
V
F
I
R
C
J
t
rr
R
θJA
T
J
,T
S
50
1
30
1.4
5
100
17
75
50
- 55 to + 150
O
A
1.7
V
μA
pF
ns
C/W
O
C
Mounted on P.C.B. with 0.2 X 0.2" (5 X 5 mm) copper pad areas.
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 14/04/2008 H
SEMTECH_ELEC [ SEMTECH ELECTRONICS LTD. ]
