US1AD THRU US1MD
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 %.
Parameter
Symbols
US1AD US1BD US1DD US1GD US1JD US1KD US1MD
Units
V
RRM
V
RMS
V
DC
50
100
70
200
400
600
800
1000
700
V
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
at Rated DC Blocking Voltage
S
®
H
C
E
T
M
E
35
140
280
420
560
V
50
100
200
400
1
600
800
1000
V
I
F(AV)
I
FSM
V
F
T
a
= 25
O
C
T
a
= 100
O
C
I
R
C
j
t
rr
R
θJA
T
j
, T
stg
50
50
- 55 to + 150
A
30
A
1
1.4
5
100
17
75
O
1.7
V
μA
pF
ns
C/W
O
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)
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 (BVI) Limited
Dated
：
28/02/2012 H Rev
：
01
PCB设计
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