CYStech Electronics Corp.
1.0Amp
Silicon Schottky Barrier Rectifiers
Spec. No. : C331LB
Issued Date : 2004.07.05
Revised Date :
Page No. : 1/3
1N581XLB Series
Features
•
Low forward voltage drop
•
High current capability
•
High surge current capability
•
High reliability
•
Epitaxial construction
Mechanical Data
•
Case: DO-41 Molded Plastic.
•
Terminals: Axial leads, solderable per MIL-STD-202, Method 208 guaranteed
•
Polarity: Color band denotes cathode end.
•
Epoxy: UL 94V-0 rate flame retardant
•
Mounting position: Any
•
Weight: 0.34 grams
Maximum Ratings and Electrical Characteristics
Rating at 25°C ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or
inductive load. For capacitive load, derate current by 20%.
Type Number
1N5817
1N5818
1N5819
Maximum Recurrent Peak Reverse Voltage
20
30
40
Maximum RMS Voltage
14
21
28
Maximum DC Blocking Voltage
20
30
40
Maximum Average Forward Rectified Current
1
.375”(9.5mm) lead length at Ta=90°C
Peak Forward Surge Current, 8.3ms Single Half Sine-wave
25
Superimposed on Rated Load(JEDEC method)
Maximum Instantaneous Forward Voltage @ 1.0A
0.45
0.55
0.6
Maximum DC Reverse Current at Rated DC
1
(@Ta=25°C)
Blocking Voltage
10
(@Ta=100°C)
Typical Junction Capacitance (Note 1)
110
Typical thermal resistance(Note 2)
80
Operating Temperature Range Tj
-65 to +125
Storage Temperature Range Tstg
-65 to +150
Notes : 1. Measured at 1 MHz and applied reverse voltage of 4.0Volts
2. Thermal resistance from junction to ambient, vertical PCB mounting, 0.5”(12.7mm) lead length.
Units
V
V
V
A
A
V
mA
pF
℃/W
°C
°C
1N581XLB
CYStek Product Specification
CYStech Electronics Corp.
Characteristic Curves
Forward Current Derating Curve
1.2
Peak Forward Surge Current---IFSM(A)
30
25
20
15
10
5
0
0
50
100
150
1
10
Spec. No. : C331LB
Issued Date : 2004.07.05
Revised Date :
Page No. : 2/3
Maximum Non-Repetitive Forward Surge Current
Average Forward Current---Io(A)
1
0.8
0.6
0.4
0.2
0
Ambient Temperature---TA(℃)
Forward Current vs Forward Voltage
Single Phase, Half Wave
60Hz, Resistive or Inductive
Load
0.375"(0.95mm)lead length
Tj=25℃, 8.3ms Single
Half Sine Wave
JEDEC method
100
Number of Cycles at 60Hz
Junction Capacitance vs Reverse Voltage
350
100
1N5817
10
1N5818-5819
Junction Capacitance---CJ(pF)
300
250
200
150
100
50
0
Forward Current---IF(A)
1
0.1
Tj=25℃, Pulse
width=300μs
1% Duty cycle
0.01
0.1
0.3
0.5
0.7
0.9
1.1
1.3
1.5
Forward Voltage---VF(V)
Reverse Leakage Current vs Reverse Voltage
100
Reverse Leakage Current---IR(mA)
0.01
0.1
1
10
100
Reverse Voltage---VR(V)
10
1
Tj=75℃
0.1
Tj=25℃
0.01
0
20
40
60
80
100
120
140
Percentage Rated Peak
Reverse Voltage---(%)
1N581XLB
CYStek Product Specification
CYStech Electronics Corp.
DO-41 Dimension
Spec. No. : C331LB
Issued Date : 2004.07.05
Revised Date :
Page No. : 3/3
Marking: On the cylindrical surface
DO-41 Molded Plastic Package
CYStek Package Code : LB
1N581X
*:Typical
DIM
A
B
C
Inches
Min.
Max.
0.0280 0.0340
1.0000
-
0.1600 0.2050
Millimeters
Min.
Max.
0.71
0.86
25.40
-
4.10
5.20
DIM
D
E
Inches
Min.
Max.
1.0000
-
0.0800 0.1070
Millimeters
Min.
Max.
25.40
-
2.00
2.70
Notes :
1.Controlling dimension : millimeters.
2.Maximum lead thickness includes lead finish thickness, and minimum lead thickness is the minimum thickness of base material.
3.If there is any question with packing specification or packing method, please contact your local CYStek sales office.
Material :
•
Lead : 42 Alloy ; solder plating
•
Mold Compound : Epoxy resin family, flammability solid burning class:UL94V-0
Important Notice:
•
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written approval of CYStek.
•
CYStek reserves the right to make changes to its products without notice.
•
CYStek
semiconductor products are not warranted to be suitable for use in Life-Support Applications, or systems.
•
CYStek assumes no liability for any consequence of customer product design, infringement of patents, or application assistance.
1N581XLB
CYStek Product Specification
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