US1AF SERIES
SURFACE MOUNT ULTRA FAST RECTIFIER
VOLTAGE
FEATURES
For surface mounted applications in order to optimize board space
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 2011/65/EU directives.
• Green molding compound as per IEC61249 Std. . (Halogen Free)
•
•
•
•
50-800 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
o
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (T
A
=25 C unless otherwise noted)
PA RA M E TE R
Re c urr e nt P e a k Re ve r s e Vo lta g e
RM S Vo lta g e
D C B lo c k i ng Vo lta g e
A ve r a g e F o rwa rd C ur re nt
P e a k F o r wa r d S ur g e C ur re nt : 8 .3 m s s i ng le ha lf s i ne -wa ve
s up e r i mp o s e d o n ra te d lo a d (J E D E C m e tho d )
F o r wa r d Vo lta g e a t 1 A
D C Re ve r s e C urr e nt a t Ra te d
D C B lo c k i ng Vo lta g e
Typ i c a l J unc ti o n C a p a c i ta nc e
S YM B OL US 1 A F
V
RRM
V
RM S
V
R
I
F (AV )
I
F S M
V
F
50
35
50
US 1 B F
100
70
100
US 1 D F
200
140
200
1
US 1 GF
400
280
400
US 1 J F
600
420
600
US 1 K F UNITS
800
560
800
V
V
V
A
A
30
1
1 .4
1 .7
V
T
J
= 2 5
O
C
I
R
1
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
22
150
50
15
10
pF
O
Typ i c a l The rm a l Re s i s ta nc e ,J unc ti o n to L e a d ( No te 1 )
J unc ti o n to A mb i e nt (No te 2 )
Re ve rs e Re c o ve r y Ti m e (I
F
= 0 .5 A , I
R
= 1 A ,I
rr
= 0 .2 5 A )
Op e r a ti ng J unc ti o n Te m p e r a ture a nd S to ra g e Te m p e ra tur e
Ra ng e
C /
W
ns
100
- 5 5 to +1 5 0
O
C
NOTES :
1. Mounted on an FR4 PCB, single-sided copper, with 10cm x 10cm copper pad area
2. Mounted on an FR4 PCB, single-sided copper, mini pad.
May 31,2013-REV.01
PAGE . 1
US1AF SERIES
C
J
, Junction Capacitance (pF)
1.2
100
I
F
, Forward Current (A)
1
0.8
0.6
0.4
0.2
0
0
25
50
75
100
125
150
US1AF~US1DF
10
US1GF
US1JF~US1KF
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
10
10
T
J
= 150°C
I
R
, Reverse Current (μA)
I
R
, Reverse Current (μA)
T
J
= 150°C
1
T
J
= 125°C
1
T
J
= 125°C
0.1
T
J
= 75°C
0.01
US1AF~US1DF
T
J
= 25°C
0.1
T
J
= 75°C
US1GF
T
J
= 25°C
0.001
40
80
120
160
200
0.01
20
40
60
80
100
V
R
, Rated Peak Reverse Voltage (V)
Percent of Rated Peak Reverse Voltage (%)
Fig.3 Typical Reverse Characteristics
Fig.4 Typical Reverse Characteristics
100
I
R
, Reverse Current (μA)
I
F
, Forward Current (A)
T
J
= 150°C
10
T
J
= 150°C
1
T
J
= 125°C
T
J
= 25°C
T
J
= 75°C
0.1
10
T
J
= 125°C
1
T
J
= 75°C
0.1
T
J
= 25°C
0.01
100
200
300
400
500
600
700
800
US1JF~US1KF
US1AF~US1DF
0.01
0.2
0.4
0.6
0.8
1
1.2
V
R
, Rated Peak Reverse Voltage (V)
V
F
, Forward Voltage (V)
Fig.5 Typical Reverse Characteristics
Fig.6 Typical Forward Characteristics
May 31,2013-REV.01
PAGE . 2
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