SURFACE MOUNT ULTRA FAST RECTIFIER
DN:T20608A0
http://www.microdiode.com Rev:2020A0 Page :1
Reverse Voltage - 50 to 1000 Volts Forward Current - 3.0 Ampere
US3AF THRU US3MF
Mechanical Data
F
eatures
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
250 °C/10 seconds at terminals
Case : JEDEC SMAF Molded plastic body
Terminals : Solder plated, solderable per MIL-STD-750,Method 2026
Polarity : Polarity symbol marking on body
Mounting Position : Any
Weight
: 0.002 ounce, 0.064 grams
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%.
Maximum Ratings And Electrical Characteristics
Parameter
SYMBOLS
US3AF US3BF US3DF US3GF US3JF US3KF US3MF
UNITS
Marking Code
MDD
US3AF
MDD
US3BF
MDD
US3DF
MDD
US3GF
MDD
US3JF
MDD
US3KF
MDD
US3MF
Maximum repetitive pe ak reverse voltage
V
RRM
50 100 200 400 600 800 1000
V
Maximum RMS voltage
V
RMS
35 70 140 280 420 560 700
V
Maximum DC blocking voltage
V
DC
50 100 200 400 600 800 1000
V
Maximum average forward rectified current
at TL=55
℃
I
(AV)
3.0
A
Peak forward surge current
8.3ms single half sin e-wave
superimposed onrated l oad (JEDE C Method)
I
FSM
100
A
Maximum instantaneous forward voltage at 3.0A
V
F
1.0
1.40 1.7
V
Maximum DC reverse current T
A
=25
℃
at rate d DCblockin g voltage
T
A
=125℃
I
R
5.0
300.0
uA
Maximum reverse recovery time (NOTE 1)
t
rr
50 75 ns
Typical junction capacitance (NOTE 2)
C
J
20.0
pF
Typical thermal resistance (NOTE 3)
R
JA
50.0
℃/
W
Operating junction an d storage temperature rang e T
J
,
T
STG
-50 to +150
℃
Dimensions in inches and (millimeters)
SMAF
0.193(4.90)
0.173(4.40)
0.047(1.20)
0.031(0.80)
0.008(0.20)
0.005(0.12)
0.047(1.20)
0.035(0.90)
0.146(3.70)
0.130(3.30)
0.063 (1.60)
0.051 (1.30)
0.106(2.70)
0.094(2.40)
Note:1.Reverse recovery condition IF=0.5A,IR=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
Rev:2020A0 Page :2
Ratings And Characteristic Curves
http://www.microdiode.com
Reverse Voltage - 50 to 1000 Volts Forward Current - 3.0 Ampere
US3AF THRU US3MF
The curve above is for reference only.
0.6
1.2
1.8
2.4
3.0
3.5
0.0
25 50
75
100 125 150 175
Fig.1 Forward Current Derating Curve
Average Forward Current (A)
Ambient Temperature (°C)
Single phase half-wave 60 Hz
resistive or inductive load
20
40
60
80
100
120
00
10 100
Fig.4 Maximum Non-Repetitive Peak
Forward Surage Current
Peak A)Forward Surage Current (
Number of Cycles
8.3 ms Single Half Sine Wave
(JEDEC Method)
1
Fig.2 Typical Reverse Characteristics
0.1
1.0
10
100
20 40 60 80 100
00
percent of Rated Peak Voltage (%)Reverse
Instaneous Current ( A)Reverse μ
T =125
J
°C
T =25
J
°C
Fig.3 Typical Instaneous Forward
Characteristics
Instaneous Forward Current (A)
0.5 1.0 1.5 2.0 2.5
0.0
0.01
0.1
1.0
10
Instaneous Forward Voltage (V)
20
pulse with 300μs
1% duty cycle
T =25
J
°C
US3AF~US3DF
US3GF
US3JF~US3MF