SURFACE MOUNT ULTRAFAST RECOVERY RECTIFIER
Reverse Voltage - 50 to 1000 V
Forward Current - 1 A
PINNING
PIN
1
2
DESCRIPTION
Cathode
Anode
Top View
Marking Code: US1A~US1M
Simplified outline SMAF and symbol
FEATURES
For surface mounted applications
Low profile package
Glass Passivated Chip Junction
Easy to pick and place
High efficiency
Lead free in comply with EU RoHS 2011/65/EU directives
MECHANICAL DATA
Case: SMAF
Terminals: Solderable per MIL-STD-750, Method 2026
pprox. Weight:
•
•
•
•
•
•
•
•
• A 27mg / 0.00095oz
Ratings at 25 ambient temperature unless otherwise specified.
Single phase half-wave 60 Hz, resistive or inductive load, for capacitive load current derate by 20 %.
°C
Maximum DC Blocking Voltage
Peak Forward Surge Current 8.3 ms Single Half
Sine Wave Superimposed on Rated Load
Maximum Instantaneous Forward Voltage at 1 A
Parameter
Maximum Repetitive Peak Reverse Voltage
Maximum RMS voltage
Operating and Storage Temperature Range
Maximum DC Reverse Current = 25 °C
at Rated DC Blocking Voltage T =125 °C
a
T
a
Maximum Reverse Recovery Time
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
V
F
I
R
Symbols
50 100 200 400 600 800 1000 V
35 70 140 280 420 560 700
V
50 100 200 400 600 800 1000 V
1
30
1.3
5
100
50
75
-55 ~ +150
A
A
V
μA
ns
°C
Maximum Ratings and Electrical characteristics
Units
T , T
j
stg
t
rr
Typical Thermal Resistance
R
θJA
80
°C/W
1.651.0
US1AF US1BF US1DF US1GF US1JF US1KF US1MF
1
2
Page 1 of 3
US1AF THRU US1MF
Maximum Average Forward Rectified Current
at T = 125 °C
c
（1）
（2）
.
（2）
（1）Measured with I = 0.5 A, I = 1 A, I = 0.25 A
F R rr
P.C.B. mounted with 2.0" X 2.0" (5 X 5 cm) copper pad areas.
Copyright@ SEMIPOWER Electronic Technology Co., Ltd. All rights reserved. 2016 Rev 1.0
