UF3AF THRU UF3MF
SURFACE MOUNT ULTRA FAST RECTIFIER
Reverse Voltage - 50 to 1000 Volts Forward Current - 3.0 Amperes
SMAF
Cathode Band
Top View
FEATURES
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
For surface mounted applications
Ultra fast switching for high efficiency
Low reverse leakage
Built-in strain relief,ideal for automated placement
High forward surge current capability
High temperature soldering guaranteed
260 C/10 seconds at terminals
Glass passivated chip junction
0.110(2.80)
0.094(2.40)
0.059(1.50)
0.051(1.30)
0.144(3.65)
0.128(3.25)
0.055(1.40)
0.043(1.10)
0.012(0.30)
0.006(0.15)
0.047(1.20)
0.028(0.70)
MECHANICAL DATA
Case
: JEDEC SMAF molded plastic body over passivated chip
Terminals:
Solder plated, solderable per MIL-STD-750,
Method 2026
Polarity:
Color band denotes cathode end
Mounting Position:
Any
Weight:0.0018
ounce, 0.064 grams
0.189(4.80)
0.173(4.40)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%.
MDD Catalog Number
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
at T
L
=55 C
Peak forward surge current
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Maximum instantaneous forward voltage at 3.0A
Maximum DC reverse current
T
A
=25 C
at rated DC blocking voltage
T
A
=125 C
Maximum reverse recovery time
(NOTE 1)
Typical junction capacitance (NOTE 2)
Typical thermal resistance (NOTE 3)
Operating junction and storage temperature range
SYMBOLS
UF3AF UF3BF UF3DF UF3GF UF3JF UF3KF UF3MF
UNITS
VOLTS
VOLTS
VOLTS
Amps
V
RRM
V
RMS
V
DC
I
(AV)
50
35
50
100
70
100
200
140
200
400
280
400
3.0
600
420
600
800
560
800
1000
700
1000
I
FSM
V
F
I
R
t
rr
C
J
R
θ
JA
T
J
,
T
STG
50
1.0
100.0
1.4
5.0
300.0
75
20.0
50.0
-50 to +150
1.7
Amps
Volts
µ
A
ns
pF
C/W
C
Note:1.Reverse
recovery condition I
F
=0.5A,I
R
=1.0A,Irr=0.25A
2.Measured at 1MHz and applied reverse voltage of 4.0V D.C.
3.P.C.B. mounted with 0.2x0.2”(5.0x5.0mm) copper pad areas
２０１４－０３ ０１版
½½½½：／／½½½．½½½½½½½½½½．½½½
RATINGS AND CHARACTERISTIC CURVES UF3AF THRU UF3MF
Fig.1 Forward Current Derating Curve
Instaneous Reverse Current (
μ
A)
3.5
3.0
2.4
1.8
1.2
0.6
0.0
25
50
75
100
125
150
175
Single phase half-wave 60 Hz
resistive or inductive load
Fig.2 Typical Reverse Characteristics
Average Forward Current (A)
100
T
J
=125
°C
10
1.0
T
J
=25
°C
0.1
00
20
40
60
80
100
Ambient Temperature (°C)
percent of Rated Peak Reverse Voltage (%)
Fig.3 Typical Instaneous Forward
Characteristics
Instaneous Forward Current (A)
Peak Forward Surage Current (A)
20
10
T
J
=25
°C
pulse with 300μs
1% duty cycle
120
100
80
60
40
20
00
1
Fig.4 Maximum Non-Repetitive Peak
Forward Surage Current
1.0
0.1
UF 3AF~UF 3DF
UF 3GF
UF 3JF~UF 3MF
8.3 ms Single Half Sine Wave
(JEDEC Method)
0.01
0.0
0.5
1.0
1.5
2.0
2.5
10
100
Instaneous Forward Voltage (V)
Number of Cycles
２０１４－０３ ０１版
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