FAST RECTIFIER. US1BF Datasheet

US1BF RECTIFIER. Datasheet pdf. Equivalent

Part US1BF
Description SURFACE MOUNT ULTRA FAST RECTIFIER
Feature US1AF THRU US1MF SURFACE MOUNT ULTRA FAST RECTIFIER Reverse Voltage - 50 to 1000 Volts Forward Curr.
Manufacture MDD
Datasheet
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US1BF
US1AF THRU US1MF
SURFACE MOUNT ULTRA FAST RECTIFIER
Reverse Voltage - 50 to 1000 Volts Forward Current - 1.0 Ampere
0.106(2.70)
0.094(2.40)
0.051(1.30)
0.043(1.10)
SMAF
Cathode Band
Top View
0.063(1.60)
0.051(1.30)
0.146(3.7)
0.130(3.3)
0.0091(0.23)
0.0071(0.18)
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
0.051(1.30)
0.039(1.0)
MECHANICAL DATA
0.193(4.90)
0.173(4.40)
Dimensions in inches and (millimeters)
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
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 TL=55 C
Peak forward surge current
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Maximum instantaneous forward voltage at 1.0A
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 US1AF US1BF US1DF US1GF US1JF US1KF US1MF UNITS
VRRM
VRMS
VDC
50
35
50
100 200 400 600 800 1000 VOLTS
70 140 280 420 560 700 VOLTS
100 200 400 600 800 1000 VOLTS
I(AV) 1.0 Amp
IFSM
VF
IR
trr
CJ
RθJA
TJ,TSTG
30.0
1.0
50
1.4
5.0
50.0
15.0
50.0
-50 to +150
1.7
75
Amps
Volts
µA
ns
pF
C/W
C
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



US1BF
RATINGS AND CHARACTERISTIC CURVES US1AF THRU US1MF
FIG. 1- FORWARD CURRENT DERATING CURVE
1.0
0.8
0.6
0.4 Single Phase
Half Wave 60Hz
Resistive or
inductive Load
0.2
0
0 25 50 75 100 125 150 175
AMBIENT TEMPERATURE, C
FIG. 3-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
20
10
TJ=25 C
PULSE WIDTH=300 µs
1%DUTY CYCLE
1
0.1
US1AF-US1DF
US1GF
US1JF-US1MF
0.01
0.2 0.6 1.0 1.4 1.8 2.0
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
FIG. 5-TYPICAL JUNCTION CAPACITANCE
200
100 TJ=25 C
10
1
0.1
1.0
10 100
REVERSE VOLTAGE,VOLTS
FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
30
25
20
15
10 8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
5.0
1
10
NUMBER OF CYCLES AT 60 Hz
100
FIG. 4-TYPICAL REVERSE CHARACTERISTICS
1,000
100
TJ=100 C
10
1
TJ=25 C
0.1
0.01 0
20 40
60 80 100
PERCENT OF PEAK REVERSE VOLTAGE,%
FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE
100
10
1
0.1
0.01
0.1 1
10
t,PULSE DURATION,sec.
100





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