DATA SHEET
UF3A~UF3M
SURFACE MOUNT ULTRAFAST RECTIFIER
50 to 1000 Volts
VOLTAGE
3.0 Amperes
CURRENT
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
• Pb free product are available : 99% Sn can meet Rohs environment
substance directive request
SMC/DO-214AB
Unit: inch (mm)
.128(3.25)
.108(2.75)
.280(7.11)
.260(6.60)
.012(.305)
.006(.152)
MECHANICAL DATA
Case: JEDEC DO-214AB molded plastic
Terminals: Solder plated, solderable per MIL-STD-202G,Method 2026
Polarity: Indicated by cathode band
Standard packaging: 16mm tape (EIA-481)
Weight: 0.007 ounce, 0.21 gram
.050(1.27)
.030(0.76)
.320(8.13)
.305(7.75)
.103(2.62)
.079(2.00)
.008(.203)
.002(.051)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
PAR AME T E R
M a xi m um R e c ur r e nt P e a k R e ve r s e V o l t a g e
M a xi m um R M S V o l t a g e
M a xi m um D C B l o c k i ng V o l t a g e
M a xi m um A ve r a g e F o r w a r d C ur r e nt . 3 7 5 " ( 9 . 5 m m )
l e a d l e ng t h a t T
L
= 7 5
O
C
P e a k F o r w a r d S ur g e C ur r e nt : 8 . 3 m s s i ng l e ha l f s i ne - w a ve
s up e r i m p o s e d o n r a t e d l o a d ( J E D E C m e t ho d )
M a xi m um F o r w a r d V o l t a g e a t 3 . 0 A
M a xi m um D C R e ve r s e C ur r e nt a t T
A
= 2 5
O
C
R a t e d D C B l o c k i ng V o l t a g e T
A
= 1 0 0
O
C
Ty p i c a l J u n c t i o n c a p a c i t a n c e ( N o t e 2 )
Ty p i c a l T h e r m a l R e s i s t a n c e ( N o t e 3 )
M a x i m u m R e v e r s e R e c o v e r y Ti m e ( N o t e 1 )
O p e r a t i n g J u n c t i o n a n d S t o r a g e Te m p e r a t u r e R a n g e
S YM B OL
V
RRM
V
RMS
V
DC
I
AV
I
F S M
V
F
1 .0
UF 3 A
50
35
50
UF 3 B
100
70
100
UF 3 D
200
140
200
UF 3 G
400
280
400
3 .0
100
1 .4
1 0 .0
300
75
15
50
- 5 0 TO + 1 5 0
100
63
O
.245(6.22)
.220(5.59)
UF 3 J
600
420
600
UF 3 K
800
560
800
UF 3 M
1000
700
1000
U N IT S
V
V
V
A
A
1 .7
V
I
R
uA
C
J
Rθ J L
T
RR
T
J
, T
S TG
pF
C / W
ns
O
C
NOTES:1. Reverse Recovery Test Conditions: I
F
=0.5A, I
R
=1.0A, I
rr
=0.25A
2. Measured at 1 MHz and applied V
r
= 4.0 volts.
3. 8.0 mm
2
( .013mm thick ) land areas.
REV.0-MAR.22.2005
PAGE . 1
RATING AND CHARACTERISTIC CURVES
AVERAGE FORWARD CURRENT, AMPERES
3.0
140
FORWARD SURGE CURRENT,AMPERES
125
O
2.5
2.0
1.5
1.0
0.5
0
120
100
80
60
40
20
0
SINGLE PHASE
HALF WAVE
60Hz
RESISTIVE OR
INDUCTIVE LOAD
.375" LEAD LENGTHS
25
50
75
100
150
175
1
5
10
50
100 200
1000
LEAD TEMPERATURE, C
NO. OF CYCLES AT 60Hz
Fig.1 FORWARD CURRENT DERATING CURVE
Fig.6 PEAK FORWARD SURGE CURRENT
10
UF3G
FORWARD CURRENT, AMPERES
1000
UF3A-UF3D
INSTANTANEOUS REVERSE CURRENT,
MICROAMPERES
100
T = 125 C
J
O
1.0
UF3J-UF3K
T = 75 C
J
10
O
0.1
1.0
T = 25 C
J
O
T
A
=25
O
C
0.01
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.1
20
40
60
80
100
120
FORWARD VOLTAGE, VOLTS
PERCENT OF RATED PEAK REVERSE VOLTAGE, %
Fig.3 FORWARD CHARACTERISTICS
Fig.4 TYPICAL REVERSE CHARACTERISTICS
1000
JUNCTION CAPACITANCE, pF
Tj= 25 C
f= 1.0MHz
Vsig = 50mVp -p
O
100
UF3A-UF3G
UF3J-UF3K
10
1
10
100
REVERSE VOLTAGE, VOLTS
Fig.5 TYPICAL JUNCTION CAPACITANCE
REV.0-MAR.22.2005
PAGE . 2
Switching Power Supply Study Group
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