DATA SHEET
UF1A~UF1K
SURFACE MOUNT ULTRAFAST RECTIFIER
50 to 1000 Volts
VOLTAGE
1.0 Amperes
CURRENT
FEATURES
For surface mounted applications
Low profile package
Built-in strain relief
Easy pick and place
Ultrafast recovery times for high efficiency
P l as t i c p acka g e h as Un d e r w r i t e r s L ab o r a t o r y F l am m ab i l i t y
Classification 94V-O
• Glass passivated junction
• Both normal and Pb free product are available :
Normal : 80~95% Sn, 5~20% Pb
Pb free: 98.5% Sn above
•
•
•
•
•
•
.155(3.94)
.130(3.30)
.083(2.11)
.075(1.91)
SMB/DO-214AA
Unit: inch (mm)
.185(4.70)
.160(4.06)
.012(.305)
.006(.152)
.096(2.44)
.083(2.13)
MECHANICAL DATA
Case: JEDEC DO-214AA molded plastic
Terminals: Solder plated, solderable per MIL-STD-750,Method 2026
Polarity: Indicated by cathode band
Standard packaging: 12mm tape (EIA-481)
Weight: 0.003 ounce, 0.093 gram
.050(1.27)
.030(0.76)
.008(.203)
.002(.051)
.220(5.59)
.200(5.08)
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
l e a d l e ng t h a t T
L
= 1 0 0
O
C
C ur r e nt . 3 7 5 " ( 9 . 5 m m )
S YM B OL
V
RRM
V
RM S
V
DC
I
AV
I
F S M
V
F
1 .0
1 0 .0
100
17
30
50
- 5 0 TO + 1 5 0
100
O
UF 1 A
50
35
50
UF 1 B
100
70
100
UF 1 D
200
140
200
1 .0
30
UF 1 G
400
280
400
UF 1 J
600
420
600
UF 1 K
800
560
800
U N IT S
V
V
V
A
A
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 1 . 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
1 .4
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.
STAD-MAY.19.2004
PAGE . 1
RATING AND CHARACTERISTIC CURVES
AVERAGE FORWARD CURRENT, AMPERES
1.2
35
FORWARD SURGE CURRENT,AMPERES
1.0
0.8
0.6
0.4
0.2
0
30
25
20
15
10
5
1
SINGLE PHASE
HALF WAVE
60Hz
RESISTIVE OR
INDUCTIVE LOAD
.375" LEAD LENGTHS
25
50
75
100
125
O
150
175
1
5
10
50
100 200
1000
LEAD TEMPERATURE, C
NO. OF CYCLES AT 60Hz
Fig.1 FORWARD CURRENT DERATING CURVE
Fig.2 PEAK FORWARD SURGE CURRENT
10
400V
50-200V
10
2
FORWARD CURRENT, AMPERES
10
REVERSE CURRENT, uA
1
1.0
600-800V
T
J
=125 C
O
10
10
10
10
0
T
J
=75 C
-1
O
0.1
-2
T
J
=25 C
-3
O
T
A
=25
O
C
0.01
0.4
10
0.6
0.8
1.0
1.2
1.4
1.6
-4
V
RRM
=50-200V
V
RRM
=600-800V
0
20
40
60
80
100
120
FORWARD VOLTAGE, VOLTS
PERCENT OF RATED PEAK REVERSE VOLTAGE, %
Fig.3 FORWARD CHARACTERISTICS
Fig.4 TYPICAL REVERSE CHARACTERISTICS
100
JUNCTION CAPACITANCE, pF
T
J
=25
O
C
f=1.0MHz
Vsig=50mVp-p
10
1
0.1
1.0
10
100
REVERSE VOLTAGE, VOLTS
Fig.5 TYPICAL JUNCTION CAPACITANCE
STAD-MAY.19.2004
PAGE . 2
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