Document Number: 93272 For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
Revision: 22-Aug-08 1
Schottky Rectifier, 2 x 1 A
20CJQ045
Vishay High Power Products
FEATURES
• Small foot print, surface mountable
• Low profile
• Very low forward voltage drop
• High frequency operation
• Guard ring for enhanced ruggedness and long term
reliability
• Common cathode
• Designed and qualified for industrial level
DESCRIPTION
The 20CJQ045 surface mount Schottky rectifier series has
been designed for applications requiring very low forward
drop and very small foot prints. Typical applications are in
portables, switching power supplies, converters, automotive
system, freewheeling diodes, battery charging, and reverse
battery protection.
PRODUCT SUMMARY
I
F(AV)
2 x 1 A
V
R
45 V
Anode
1
3
Common
cathode
Base
common
4
Anode
2
SOT-223
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL CHARACTERISTICS VALUES UNITS
I
F(AV)
Rectangular waveform 2 A
V
RRM
45 V
I
FSM
t
p
= 5 µs sine 390 A
V
F
1 Apk, T
J
= 125 °C (per leg) 0.50 V
T
J
- 55 to 150 °C
VOLTAGE RATINGS
PARAMETER SYMBOL 20CJQ045 UNITS
DC reverse voltage V
R
45 V
Working peak reverse voltage V
RWM
ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum average
forward current
See fig. 5
per leg
I
F(AV)
50 % duty cycle at T
C
= 126 °C, rectangular waveform 1
A
per device 50 % duty cycle at T
C
= 102 °C, rectangular waveform 2
Maximum peak one cycle non-repetitive
surge current per leg
See fig. 7
I
FSM
5 µs sine or 3 µs rect. pulse
Following any rated
load condition and with
rated V
RRM
applied
390
10 ms sine or 6 ms rect. pulse 23
Non-repetitive avalanche energy per leg E
AS
T
J
= 25 °C, I
AS
= 1 A, L = 4 mH 2 mJ
Repetitive avalanche current per leg I
AR
Current decaying linearly to zero in 1 µs
Frequency limited by T
J
maximum V
A
= 1.5 x V
R
typical
1A
