DIOTECH US2B

US2A THRU US2M
SURFACE MOUNT ULTRA FAST RECTIFIER
Reverse Voltage - 50 to 1000 Volts
Forward Current - 2.0 Ampere
FEATURES
●
●
●
●
●
●
●
SMB ( DO-214AA )
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
.083(2.11)
.075(1.91)
.155(3.94)
.130(3.30)
.185(4.70)
.160(4.06)
.012(.305)
.006(.152)
MECHANICAL DATA
.096(2.44)
.084(2.13)
Case: JEDEC DO-214AA molded plastic body
Terminals: Solder plated , solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight:0.005 ounce, 0.138 grams
.060(1.52)
.030(0.76)
.008(.203)
.002(.051)
.220(5.59)
.200(5.08)
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%.
Characteristic
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
at TL=90 C
Peak forward surge current
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Maximum instantaneous forward voltage at 2.0A
Maximum DC reverse current
TA=25 C
at rated DC blocking voltage
TA=100 C
Maximum reverse recovery time
(NOTE 1)
Typical junction capacitance (NOTE 2)
Typical thermal resistance (NOTE 3)
Operating junction and storage temperature range
SYMBOLS
VRRM
VRMS
VDC
US2A US2B US2D US2G US2J
50
35
50
100
70
100
200
140
200
400
280
400
600
420
600
US2K US2M
800
560
800
1000
700
1000
UNITS
V
V
V
I(AV)
1.0
A
IFSM
30.0
A
VF
1.0
1.3
5.0
100.0
IR
trr
CJ
R JA
TJ,TSTG
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
1.7
50
µA
75
20.0
50.0
-65 to +150
V
ns
pF
C/W
C
US2A THRU US2M
RATINGS AND CHARACTERISTIC CURVES
AVERAGE FORWARD RECTIFIED CURRENT,
AMPERES
FIG. 1- FORWARD CURRENT DERATING CURVE
1.6
1.2
Single Phase
Half Wave 60Hz
Resistive or
inductive Load
0.8
0.4
0
0
25
50
50
PEAK FORWARD SURGE CURRENT,
AMPERES
2.0
FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
75
100
125
150
40
30
20
10
175
0
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
1
10
AMBIENT TEMPERATURE, C
NUMBER OF CYCLES AT 60 Hz
FIG. 4-TYPICAL REVERSE CHARACTERISTICS
FIG. 3-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
1,000
TJ=25 C
PULSE WIDTH=300 ms
1%DUTY CYCLE
1
0.1
UF2A-UF2D
UF2G
UF2J-UF2M
0.01
0.2
0.6
1.0
1.4
1.8
2.0
INSTANTANEOUS REVERSE CURRENT,
MICROAMPERES
INSTANTANEOUS FORWARD
CURRENT,AMPERES
20
10
100
TJ=100 C
10
1
TJ=25 C
0.1
0.01
INSTANTANEOUS FORWARD VOLEAGE,
VOLTS
FIG. 5-TYPICAL JUNCTION CAPACITANCE
0.1
1.0
10
REVERSE VOLTAGE,VOLTS
JUNCTION CAPACITANCE, pF
20
40
60
80
100
FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE
TRANSIENT THERMAL IMPEDANCE,
C/W
TJ=25 C
10
1
0
PERCENT OF PEAK REVERSE VOLTAGE,%
200
100
100
100
10
1
0.1
0.01
0.1
1
10
100
t,PULSE DURATION,sec.
100