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PSD490 Datasheet, PDF (1/2 Pages) PACELEADER INDUSTRIAL – SURFACE MOUNT SCHOTTKY BARRIER DIODES
PSD490 thru PSD491
SURFACE MOUNT SCHOTTKY BARRIER DIODES
SCHOTTKY BARRIER RECTIFIERS 1.0A MPERES 20~40 VOLTS
SC-59
1.06(2.70)
1.22(3.10)
.049(1.25)
.065(1.65)
.089(2.25)
1.18(3.00)
3
TOP VIEW
2
1
.051(1.30)
0.67(1.70)
.067(1.7)
.090(2.30)
.014(0.35)
.020(0.50)
0.00
.004(0.10)
.039(1.00)
.051(1.30)
.008(0.20)
.024(0.60)
.004(0.10)
.010(0.26)
FEATURES
Low Turn-on Voltage
Fast Switching
PN Junction Guard Ring for Transient and
ESD Protection
MECHANICAL DATA
Case SOT-346/SC-59 Molded Plastic
Terminals Solderable per MIL-STD-202, Method 208
Polarity See Diagrams Below
Weight 0.008gram (approx)
Mounting Position Any
MAXIMUM RATIXGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25oC ambient temperature unless otherwise specified
Single phase, half wave, 60Hz, resistive or inductive load
For capacitive load, derate current by 20%
TYPE NUMBER
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
PSD491
20
14
20
1.0
Peak Forward Surge Current 8.3mm Single Half Sine-Wave
Superimposed on Rated Load (JEDEC Method)
3.0
Maximum Instantaneous Forward Voltage at 1.0A
Maximum DC Reverse Current TA=250C
at Rated DC Blocking Voltage TA=1000C
0.45
0.2
4.0
Operating Temperature Range TJ
Storage Temperature Range TSTG
-25 to +125
-50 to +125
PSD490
40
28
40
0.53
UNITS
Volts
Volts
Volts
A
A
V
mA
0C
0C
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