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18TQ045PBF 其他数据使用手册 - VISHAY（威世）
制造商:
VISHAY（威世）
分类:
TVS二极管
封装:
TO-220
描述:
肖特基整流二极管
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18TQ045PBF数据手册
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VS-18TQ0..PbF Series, VS-18TQ0..-N3 Series
www.vishay.com
Vishay Semiconductors
Revision: 11-Oct-11
1
Document Number: 94149
For technical questions within your region: DiodesAmericas@vishay.com
, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Schottky Rectifier, 18 A
FEATURES
• 175 °C T
J
operation
• Low forward voltage drop
• High frequency operation
• High purity, high temperature epoxy
encapsulation for enhanced mechanical strength
and moisture resistance
• Guard ring for enhanced ruggedness and long
term reliability
• Compliant to RoHS Directive 2002/95/EC
• Designed and qualified according to JEDEC-JESD47
• Halogen-free according to IEC 61249-2-21 definition
(-N3 only)
DESCRIPTION
The VS-18TQ... Schottky rectifier series has been optimized
for low reverse leakage at high temperature. The proprietary
barrier technology allows for reliable operation up to 175 °C
junction temperature. Typical applications are in switching
power supplies, converters, freewheeling diodes, and
reverse battery protection.
PRODUCT SUMMARY
Package TO-220AC
I
F(AV)
18 A
V
R
35 V, 40 V, 45 V, 50 V
V
F
at I
F
0.53 V
I
RM
max. 25 mA at 125 °C
T
J
max. 175 °C
Diode variation Single die
E
AS
24 mJ
Anode
1
3
Cathode
Base
cathode
2
TO-220AC
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL CHARACTERISTICS VALUES UNITS
I
F(AV)
Rectangular waveform 18 A
V
RRM
Range 35 to 50 V
I
FSM
t
p
= 5 μs sine 1800 A
V
F
18 A
pk
, T
J
= 125 °C 0.53 V
T
J
Range - 55 to 175 °C
VOLTAGE RATINGS
PARAMETER SYMBOL
VS-18TQ035PbF
VS-18TQ035-N3
VS-18TQ040PbF
VS-18TQ040-N3
VS-18TQ045PbF
VS-18TQ045-N3
VS-18TQ050PbF
VS-18TQ050-N3
UNITS
Maximum DC
reverse voltage
V
R
35 40 45 50 V
Maximum working
peak reverse voltage
V
RWM
ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum average forward current
See fig. 5
I
F(AV)
50 % duty cycle at T
C
= 149 °C, rectangular waveform 18
A
Maximum peak one cycle
non-repetitive surge current
See fig. 7
I
FSM
5 μs sine or 3 μs rect. pulse
Following any rated load
condition and with rated
V
RRM
applied
1800
10 ms sine or 6 ms rect. pulse 390
Non-repetitive avalanche energy E
AS
T
J
= 25 °C, I
AS
= 3.6 A, L = 3.7 mH 24 mJ
Repetitive avalanche current I
AR
Current decaying linearly to zero in 1 μs
Frequency limited by T
J
maximum V
A
= 1.5 x V
R
typical
3.6 A
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