US1AF SERIES
SURFACE MOUNT ULTRA FAST RECTIFIER
VOLTAGE
FEATURES
•
•
•
•
•
•
For surface mounted applications
Low profile package
Built-in strain relief
Easy pick and place
Ultrafast recovery times for high efficiency
Plastic package has Underwriters Laboratory Flammability Classification
94V-O
• Glass passivated junction
• Lead free in comply with EU RoHS 2002/95/EC directives.
• Green molding compound as per IEC61249 Std. . (Halogen Free)
50-600 Volts
CURRENT
1 Ampere
MECHANICAL DATA
• Case: SMAF molded plastic
• Terminals: Solder plated, solderable per MIL-STD-750,Method 2026
• Polarity : Color band denotes cathode end
• Approx. Weight:0.0011 ounces, 0.0328 grams
1
2
Cathode
Anode
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (T
A
=25
o
C unless otherwise noted)
PAR AM E T E R
Re c ur r e nt P e ak Re ve r s e Vo l ta g e
RMS Vo lta g e
D C B l o c k i ng Vo lt a ge
A ve r a g e F o r wa r d C ur r e nt
P e ak F o r wa r d S ur g e C ur r e nt : 8 .3 m s s i ng le ha lf s i ne - wa ve
s up er i mp o s e d o n r a te d l o a d( J E D E C m e tho d )
F o r wa r d Vo lt ag e a t 1 . 0A
D C Re ve r s e C ur r e nt at Ra t ed
D C B l o c k i ng Vo lt a ge
Typ i c a l J unc ti on c a p a c i ta nc e
S YM B OL
V
RRM
V
RMS
V
R
I
F (AV )
I
F S M
V
F
T
J
= 2 5
O
C
1 .0
U S 1 AF
50
35
50
U S 1B F
1 00
70
1 00
U S 1 D F U S 1 GF
200
140
200
1
30
1. 4
1 .7
40 0
280
40 0
U S 1J F
600
4 20
600
U N IT S
V
V
V
A
A
V
I
R
1 .0
A
V
R
= 4 V,f =1 M H
Z
C
J
R
J
L
R
J
A
T
rr
T
J
, T
S TG
20
19
150
50
-5 5 to +1 5 0
15
10
O
pF
C / W
ns
O
Typ i c a l The r ma l Re s i s ta nc e , J unc ti o n to Le a d ( No te 1 )
J unc ti on to A m b i e nt ( No te 2 )
Re ve r s e Re c o ver y Ti me ( I
F
= 0 .5 A , I
R
= 1 .0 A ,I
rr
= 0. 2 5A )
Op e r a ti ng J unc t i o n Te mp e r a tur e and S to r a g e Te mp e r a tur e Ra ng e
100
C
NOT ES :
1. Mounted on an FR4 PCB, single-sided copper, with 48cm
2
copper pad area
2. Mounted on an FR4 PCB, single-sided copper, mini pad.
April 18,2012-REV.00
PAGE . 1
US1AF SERIES
RATING
AND CHARACTERISTIC CURVES
C
J
, Junction Capacitance (pF)
1.2
100
US1AF~US1DF
I
F
, Forward Current (A)
1
0.8
0.6
0.4
0.2
0
0
25
50
75
100
125
150
10
US1GF
US1JF
1
0.1
1
10
100
T
C
, Case Temperature (°C)
V
R
, Reverse Bias Voltage (V)
Fig.1 Forward Current Derating Curve
Fig.2 Typical Junction Capacitance
100
100
US1AF~US1DF
I
R
,Reverse Current (uA)
I
R
,Reverse Current (uA)
US1GF
T
J
= 150°C
10
1
0.1
0.01
0.001
40
T
J
= 150°C
T
J
= 125°C
10
1
T
J
= 125°C
T
J
= 75°C
T
J
= 25°C
T
J
= 75°C
T
J
= 25°C
0.1
0.01
80
120
160
200
20
40
60
80
100
V
R
, Peak Reverse Voltage (V)
Percent of Rated Peak Reverse Voltage (%)
Fig.3 Typical Reverse Characteristics
100.00
Fig.4 Typical Reverse Characteristics
10.00
T
J
= 125°C
1.00
T
J
= 75°C
T
J
= 25°C
0.01
20
40
60
80
100
I
F
, Forward Current (A)
T
J
= 150°C
10
US1JF
US1AF~US1DF
I
R
,Reverse Current (uA)
1
T
J
= 150°C
T
J
= 125°C
0.1
0.10
T
J
= 75°C
T
J
= 25°C
0.01
0.2
0.4
0.6
0.8
1
Percent of Rated Peak Reverse Voltage (%)
V
F
, Forward Voltage (V)
Fig.5 Typical Reverse Characteristics
Fig.6 Typical Forward Characteristics
April 18,2012-REV.00
PAGE .
2
US1AF SERIES
MOUNTING PAD LAYOUT
SMAF
Unit:inch(mm)
0.232
(5.9)
0.106
(2.7)
0.063
(1.6)
ORDER INFORMATION
• Packing information
T/R -
10K per
13" plastic Reel
T/R -
3K
per
7"
plastic Reel
LEGAL STATEMENT
Copyright PanJit International, Inc 2012
The information presented in this document is believed to be accurate and reliable. The specifications and information herein
are subject to change without notice. Pan Jit makes no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose. Pan Jit products are not authorized for use in life support devices or systems. Pan Jit
does not convey any license under its patent rights or rights of others.
0.075
(1.9)
April 18,2012-REV.00
PAGE .
4
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