DATA SHEET
SEMICONDUCTOR
U1A Thru U1M
Surface Mount Ultrafast Rectifiers
Reverse Voltage 50 to 1000V
Forward Current 1.0A
SMF Unit: inch ( mm )
0.195 (0.9)typical
Features
• Plastic package has Underwriters Laboratories
Flammability Classification 94V-0
• For surface mount applications
• Glass passivated chip junctions
• Low profile package
• Easy pick and place
(0.189)4.8
(0.173)4.4
• Ultrafast recovery times for high efficiency
• Low forward voltage, low power loss
• Built-in strain relief, ideal for automated placement
• High temperature soldering guaranteed:
250°C/10 seconds on terminals
5
0.22
0.15
(0.052)1.3
(0.043)1.1
Z
5
Mechanical Data
Cathode Band
Top View
Detail
Z
enlarged
Case: JEDEC DO-214AC molded plastic body over
passivated chip
Terminals: Solder plated, solderable per
MIL-STD-750, Method 2026
0.110(2.8)
0.095(2.4)
1.43
1.38
0.10 max
Polarity: Color band denotes cathode end
Weight: 0.002 ounce, 0.064 gram
3.6
3.2
Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter
Symbol U1A
U1B
U1D
U1G
U1J
U1K
U1M Units
Maximum repetitive peak reverse voltage
Maximum RMS voltage
VRRM
VRMS
VDC
50
35
50
100
70
200
140
200
400
280
400
1.0
600
420
600
800 1000
560 700
800 1000
V
V
V
A
Maximum DC blocking voltage
100
Maximum average forward rectified current at TL = 110°C
IF(AV)
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
IFSM
30
A
Maximum thermal resistance(1)
RθJA
RθJL
75
27
°C/W
°C
Operating and storage temperature range
T , T
–55 to +150
J
STG
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Maximum instantaneous forward voltage at 1.0A
VF
1.0
1.7
V
Maximum DC reverse current
at rated DC blocking voltage
TA = 25°C
TA =100°C
10
50
IR
µA
Maximum reverse recovery time
at IF = 0.5A, IR = 1.0A, Irr = 0.25A
trr
50
15
75
10
ns
Typical junction capacitance at 4.0V, 1MHz
CJ
pF
Notes: (1) P.C.B. mounted on 0.2 x 0.2” (5.0 x 5.0mm) copper pad area
http://www.yeashin.com
1
REV.02 20110725