UF2AF 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
2 Amperes
MECHANICAL DATA
• Case: SMBF molded plastic
• Terminals: Solder plated, solderable per MIL-STD-750,Method 2026
• Approx. Weight: 0.0018 ounces, 0.05 grams
• Polarity : Color band denotes cathode end
1
2
Cathode
Anode
o
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (T
A
=25 C unless otherwise noted)
PAR AM E T E R
Rec urre nt P e a k Re ve rs e Vo ltag e
RMS Vo lta g e
D C B lo c k i ng Vo lt ag e
A ve ra ge F o rward C urre nt
P ea k F o rward S urg e C urre nt : 8 .3 ms s i ngle ha lf s i ne -wa ve
s up e ri mp o s ed on rat ed lo ad (J E D E C m et hod )
F o rward Vo lta g e at 2 .0 A
D C Revers e C urre nt a t Rat ed
D C B lo c k i ng Vo lt ag e
Typ i c a l J unc ti o n c a p ac i tanc e
S YM B OL
V
RRM
V
RMS
V
R
I
F (AV )
I
F S M
V
F
U F 2A F
50
35
50
U F 2 B F U F 2 D F U F 2GF
100
70
100
20 0
14 0
20 0
2
50
1
1 .4
400
280
400
UF2JF
600
420
600
U N IT S
V
V
V
A
A
1 .7
V
T
J
=2 5
O
C
I
R
1
A
V
R
= 4V,f= 1M H
Z
C
J
R
J
L
R
J
A
T
rr
T
J
,T
STG
37
20
13 5
50
-5 5 to + 1 50
27
18
O
pF
C / W
ns
O
Typ i c a l Therm a l Re s i s ta nc e ,J unc ti on to L e ad (N ote 1)
J unc t i on to A m b i e nt (No te 2 )
Revers e Re c o ve ry Ti m e (I
F
=0 .5 A , I
R
=1 .0 A ,I
rr
= 0 .2 5A )
Op e ra ti ng J unc ti o n Te mp e ra ture a nd S to rag e Te m pe ra ture Ra nge
100
C
NOTES :
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 09,2012-REV.00
PAGE . 1
UF2AF SERIES
RATING AND CHARACTERISTIC CURVES
2.5
2
1.5
1
0.5
0
0
25
50
75
100
125
150
C
J
, Junction Capacitance (pF)
I
F
, Forward Current (A)
100
UF2AF ~ UF2DF
10
UF2GF
UF2JF
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
100000
100000
I
R
,Reverse Current (nA)
I
R
,Reverse Current (nA)
UF2AF ~ UF2DF
10000
1000
100
10
T
J
= 75°C
1
40
80
T
J
= 150°C
10000
1000
100
10
1
20
40
T
J
= 125°C
UF2GF
T
J
= 150°C
T
J
= 125°C
T
J
= 75°C
T
J
= 25°C
T
J
= 25°C
120
160
200
60
80
100
V
R
, Peak Reverse Voltage (V)
Percent of Rated Peak Reverse Voltage (%)
Fig.3 Typical Reverse Characteristics
100000
Fig.4 Typical Reverse Characteristics
10
I
R
,Reverse Current (nA)
10000
1000
100
T
J
= 75°C
10
T
J
= 150°C
1
20
40
60
80
100
T
J
= 125°C
T
J
= 25°C
I
F
, Forward Current (A)
UF2JF
UF2AF ~ UF2DF
T
A
= 150°C
1
T
A
= 125°C
0.1
T
A
= 75°C
T
A
= 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 09,2012-REV.00
PAGE . 2
UF2AF SERIES
MOUNTING PAD LAYOUT
SMBF
Unit:inch(mm)
0.256
(6.5)
0.110
(2.8)
0.073
(1.85)
ORDER INFORMATION
• Packing information
T/R -
5K per
13" 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.
(0.087)
(2.2)
April 09,2012-REV.00
PAGE .
4
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