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U1A Datasheet, PDF (1/2 Pages) Yea Shin Technology Co., Ltd – Surface Mount Ultrafast Rectifiers
U1A THRU U1M
Features
1.0AMP ULTRA FAST RECOVERY SILICON RECTIFIER
· Low Power Loss, High Efficiency
· Ideally Suited for Automatic Assembly
·Guard Ring Die Construction
· Plastic Case Material has UL Flammability
Classification Rating 94V- 0
SMAF
Mechanical Data
· Case: Molded plastic SMAF
· Terminals: Plated leads solderable per
MIL-STD-750,Method 2026 guaranteed
· Polarity: Color band dentes cathode end
· Mounting Position: Any
· Making: Type Number
Maximum Ratings and Electrical Characteristics
Rating at 25℃ ambient temperature unless otherwise specified
Single phase,half wave,60Hz,resistive or inductive load
For capacitive load derate current by 20%
Type Number
SYMBOL U1A
Maximum Recurrent Peak Reverse Voltage
VRRM
50
Maximum RMS Voltage
VRMS
35
Maximum DC Blocking Voltage
VDC
50
Average Rectified Output Current
@TL =75 ℃
IO
Peak Forward Surge Current 8.3ms Single half
sine-wave superimposed on rated load (JEDEC IFSM
Method)
Forward Voltage
@IF=1.0A
Peak Reverse Current @TA =25 ℃
At Rated DC Blocking Voltage @TA =100 ℃
Maximum Reverse Recovery Time (Note 1)
Typical Junction Capacitance (Note 2)
Typical Thermal Resistance Junction to
Ambient (Note 3)
Operating Temperature Range
Storage Temperature Range
VFM
IR
Trr
CJ
Rθ JA
TJ
TSTG
Dimiensions in inches and (milimeters)
U1B U1D U1G U1J U1K U1M Unit
100 200 400 600 800 1000 V
70
140 280 420 560 700 V
100 200 400 600 800 1000 V
1.0
A
1.0
50
30
1.3
5.0
100
17
30
-55 to+150
-55 to +150
1.7
75
A
V
uA
ns
pF
℃/W
℃
℃
Note:
1.Reverse Recovery Test Conditions:IF=0.5A,IR=1.0A,IRR=0.25A.
2. Measured at 1.0 MHz and Applied reverse Voltage of 4.0V D.C
3. 8.0MM²(.013mm Thick)Land Areas.
version:01
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