B5817W PDF даташит
Спецификация B5817W изготовлена «WEITRON» и имеет функцию, называемую «Surface Mount Schottky Barrier Diodes». |
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Детали детали
Номер произв | B5817W |
Описание | Surface Mount Schottky Barrier Diodes |
Производители | WEITRON |
логотип |
3 Pages
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Surface Mount Schottky Barrier Diodes
Features:
*Low Forward Voltage
*Very Small Conduction Losses
*Schottky Barrier Diodes Encapsulated in a SOD-123 Package
Description:
These schottky barrier diodes are designed for high speed
switching applications circuit protection, and voltage clamping,
Extremely low forward voltage reduces conduction loss,
Miniature surface mount package is excellent for hand held and
portable applications where space is limited.
SOD-123 Outline Dimensions
B5817W/B5819W
SMALL SIGNAL
SCHOTTKY DIODES
1.0 AMPERES
20-40 VOLTS
1
2
SOD-123
Unit:mm
SOD-123
Dim Min
Max
A 2.55 2.85
B 1.40 1.80
C 0.95 1.35
D 0.50 0.70
E 0.30 REF
H - 0.10
J - 0.15
K 3.55 3.85
PIN 1. CATHODE
2. ANODE
WEITRON
http://www.weitron.com.tw
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B5817W/B5819W
Maximum Ratings ( TA=25 C Unless otherwise noted)
Characteristic
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Average Rectified Output Current
Symbol
VRRM
VRWM
VR
VR(RMS)
IFAV
B5817W
B5819W
20
14
1.0
40
28
Non-Repetitive Peak Forward Surge Current
8.3ms single half sine-wave superimpose on
rated load (JEDEC Method)
Typical thermal Resistance junction to
Ambient Note (1)
IFSM
R JA
25
244
Operating & Storage Temperature Range
TJ TSTG
-55 to +125
E lectr ical C har acter istics ( TA=25 C Unless otherwise noted)
Characteristic
Minimum Reverse Breakdown Voltage(2)
(IR=500 A)
Forward Voltage Note(2)
IF=0.5A Tj=25 C
IF=1.0A Tj=25 C
Reverse Current Note(2)
VR=20V, Tj=25 C
VR=40V, Tj=25 C
Symbol
V(BR)R
VF
IR
B5817W
20
0.400
0.450
500
B5819W
40
0.450
0.550
500
Junction Capacitance f=1MHZ, VR=10VDC
Cj
170
Unit
V
V
A
A
C/W
C
Unit
V
V
A
PF
Device Marking
Item
B5817W
Marking
BK , SJ
Eqivalent Circuit diagram
12
B5819W
BL , SL
Note: 1. Valid provited that leads are kept at ambient tememperature.
2. Pulse Test : Pulse width = 300 s, Duty Cycle 2%
1
2
WEITRON
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B5817W/B5819W
1.8
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
25 50 75 100 125
TL, LEAD TEMPERATURE ( C)
FIG, 1 Forward Current Derating Curve
150
10
B5819W
B5817W
1.0
0.1
0.01
0
0.2 0.4 0.6 0.8 1.0
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig, 2 Typical Forward Characterictics
1000
100
10
1.0
0
5 10
15 20
VR.REVERSE VOLTAGE (V)
Fig, 3 Typ, Junction Capacitance vs. Reverse Voltage
WEITRON
http://www.weitron.com.tw
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