UF1AF 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: 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
Cathode
2
Anode
o
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (T
A
=25 C unless otherwise noted)
PAR AME T E R
Re curre nt P e a k Re ve rs e Vo lta g e
RMS Vo lta g e
D C B lo ck i ng Vo lta g e
A ve ra g e F o rwa rd C urre nt
P e a k F o rwa rd S urg e C urre nt : 8 .3 ms s i ng le ha lf s i ne -wa ve
sup e ri mp o s e d o n ra te d lo a d (J E D E C me tho d )
F o rwa rd Vo lta g e a t 1 .0 A
D C Re ve rs e C urre nt a t Ra te d
D C B lo ck i ng Vo lta g e
Typ i c a l J unc ti o n ca p a c i ta nc e
T
J
=2 5
O
C
V
R
=4 V,f=1 M H
Z
S YMB OL
V
RRM
V
RMS
V
R
I
F (AV )
I
F S M
V
F
I
R
C
J
R
θJ
L
R
θJ
A
T
rr
T
J
,T
S TG
U F 1 AF
50
35
50
U F 1 B F U F 1 D F U F 1 GF
100
70
100
200
140
200
1
30
1
1
18
20
6 2 .5
50
-5 5 to + 1 5 0
10
1 .3
400
280
400
UF1JF
600
420
600
U N IT S
V
V
V
A
A
1 .7
V
μA
8
O
pF
C / W
ns
O
Typ i c a l The rm a l Re s i sta 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 1 )
Re ve rs e Re c o ve ry Ti me (I
F
= 0 .5 A , I
R
= 1 .0 A ,I
rr
= 0 .2 5 A )
Op e ra ti ng J unc ti o n Te mp e ra ture a nd S to ra g e Te mp e ra ture Ra ng e
100
C
NOTES :
1. Mounted on 48cm
2
FR-4 PCB.
March 06,2012-REV.00
PAGE . 1
UF1AF SERIES
RATING AND CHARACTERISTIC CURVES
I
F
, Forward Current (A)
1
0.8
0.6
0.4
0.2
0
0
25
50
75
100
125
150
C
J
, Junction Capacitance (pF)
1.2
100
UF1AF / UF1BF/UF1DF
10
UF1GF
UF1JF
1
0.1
1
10
100
T
C
, Case Temperature (°C)
V
R
, Reverse Bias Voltage (V)
Fig.1 Forward Current Derating Curve
10
Fig.2 Typical Junction Capacitance
10
I
F
, Forward Current (A)
I
F
, Forward Current (A)
UF1AF / UF1BF/UF1DF
T
J
= 150°C
T
J
= 125°C
T
J
= 75°C
UF1GF
T
J
= 150°C
T
J
= 125°C
1
1
0.1
T
J
= 25°C
0.1
T
J
= 75°C
T
J
= 25°C
0.01
0.2
0.4
0.6
0.8
1
V
F
, Forward Voltage (V)
1.2
0.01
0
0.5
1
1.5
2
V
F
, Forward Voltage (V)
Fig.3 Typical Forward Characteristics
10
Fig.4 Typical Forward Characteristics
10000
I
F
, Forward Current (A)
I
R
,Reverse Current (nA)
UF1JF
T
J
= 150°C
T
J
= 125°C
UF1AF / UF1BF/UF1DF
1000
T
J
= 150°C
T
J
= 125°C
1
100
0.1
T
J
= 75°C
T
J
= 25°C
10
T
J
= 75°C
T
J
= 25°C
0.01
0
0.5
1
1.5
1
20
40
60
80
100
V
F
, Forward Voltage (V)
Percent of Rated Peak Reverse Voltage (%)
Fig.5 Typical Forward Characteristics
Fig.6 Typical Reverse Characteristics
March 06,2012-REV.00
PAGE . 2
UF1AF SERIES
RATING AND CHARACTERISTIC CURVES
I
R
,Reverse Current (nA)
I
R
,Reverse Current (nA)
100000
10000
1000
100
10
1
20
100000
10000
1000
100
10
1
20
UF1GF
UF1JF
T
J
= 150°C
T
J
= 125°C
T
J
= 150°C
T
J
= 125°C
T
J
= 75°C
T
J
= 25°C
T
J
= 75°C
T
J
= 25°C
40
60
80
100
40
60
80
100
Percent of Rated Peak Reverse Voltage (%)
Percent of Rated Peak Reverse Voltage (%)
Fig.7 Typical Reverse Characteristics
Fig.8 Typical Reverse Characteristics
March 06,2012-REV.00
PAGE .
3
UF1AF 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)
March 06,2012-REV.00
PAGE .
4
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