SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
Reverse Voltage - 30 Volts
Forward Current - 200 mAmpere
BAT54W Series
FEATURES
●
Low Turn-on Voltage
●
Fast Switching
●
Ultra-small surface mount package.
●
PN Junction Guard Ring for Transient and
ESD Protection
SOT-323
.004(.10)MIN.
.087(2.2)
.070(1.8)
.054(1.35)
.045(1.15)
MECHANICAL DATA
●
Case: SOT-323, Molded Plastic
●
Terminals: Plated Leads Solderable per
MIL-STD-750, Method 2026
●
Polarity:
See Diagrams Below
●
Weight: 0.0048 grams (approx.)
.056(1.40)
.047(1.20)
.006(.15)
.002(.05)
.004(.10)MAX.
.016(.40)
.0
0
8(.20)
3
3
3
.044(1.1)
.035(0.9)
3
1
2
1
2
1
2
1
BAT54W Marking
:
L4
BAT54AW Marking
:
L42
BAT54CW Marking
:
L43
BAT54SW Marking
:
L44
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
O
C ambient temperature unless otherwise specified. For capacitive load, derate current by 20%.
P arameter
M a r k i ng c o d e
P e a k R e p e t i t i ve R e ve r s e V o l t a g e
M a xi m um A ve r a g e F o r w a r d C ur r e nt a t T
A
= 7 5
O
C
P e a k F o r w a r d S ur g e C ur r e nt , 1 . 0 s ( J E D E C m e t ho d )
M a x i m u m In s t a n t a n e o u s F o r w a r d V o l t a g e @ I
F
= 1 m A
@ I
F
= 1 0 0 m A
M a xi m um D C R e ve r s e C ur r e nt a t R a t e d D C B l o c k i ng
V o l t a g e @ V
R
= 2 5 V
J unc t i o n C a p a c i t a nc e : a t V
R
= 1 V
The r m a l R e s i s t a nc e , J unc t i o n t o A m b i e nt
O p e r a t i n g J u n c t i o n a n d S t o r a g e Te m p e r a t u r e R a n g e
S ymbol
B AT5 4 W
L4
B AT5 4 AW
L42
30
0 .2
0 .6
0 .3 2
1 .0
2 .0
10
635
- 5 5 TO + 1 2 5
S i ng l e
C ommon
A no d e
C ommon
C a t ho d e
S eri es
O
B AT5 4 C W
L43
B AT5 4 S W
L44
.087(2.2)
.078(2.0)
2
U ni t s
-
V
A
A
V
uA
pF
C/ W
O
-
V
RRM
I
F ( A V )
I
F S M
V
F
I
R
C
J
R
θ
J A
T
J
,
T
S TG
-
C
-
C i r c ui t F i g ur e
BAT54W Series
RATINGS AND CHARACTERISTIC CURVES
820
Ω
+10 V
2k
100
µH
0.1
µF
DUT
50
Ω Ο
utput
Pulse
Generator
50
Ω
Input
Sampling
Oscilloscope
IF
0.1
µF
tr
10%
tp
t
IF
trr
t
90%
VR
IR
Input Signal
IR(REC) = 1 mA
Output Pulse
(IF = IR = 10 mA; measured
at IR(REC) = 1 mA)
Notes: 1. A 2.0 k
Ω
variable resistor adjusted for a Forward Current (IF) of 10 mA.
Notes:
2. Input pulse is adjusted so IR(peak) is equal to 10 mA.
Notes:
3. tp » trr
Figure 1. Recovery Time Equivalent Test Circuit
100
1000
100
10
1 50
°C
IR , Reverse Current (
µ
A)
IF, Forward Current (mA)
10
1.0
0.1
0.01
0.001
TA = 25
°C
0
5
10
15
20
VR, Reverse Voltage (V)
25
30
TA = 85
°C
TA = 125
°C
TA = 150
°C
1.0
1 25
°C
85
°C
25
°C
– 40
°C
0.3
– 55
°C
0.4
0.5
0.6
0.1
0.0
0.1
0.2
V F, Forward Voltage (V)
Figure 2. Forward Voltage
Figure 3. Leakage Current
14
12
C T , Total Capacitance (pF)
10
8
6
4
2
0
0
5
10
15
250
2
30
VR, Reverse Voltage (V)
Figure 4. Total Capacitance
PCB Design
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