BAT42, BAT43
www.vishay.com
Vishay Semiconductors
Small Signal Schottky Diode
FEATURES
• For general purpose applications
• These diodes feature very low turn-on voltage
and fast guard ring against excessive voltage,
such as electrostatic discharges
• These diodes are also available in the SOD-123
case with the type designations BAT42W-V to
BAT43W-V and in MiniMELF SOD-80 case with
the type designations LL42 to LL43
• AEC-Q101 qualified
• Material categorization: for definitions of compliance
please see
www.vishay.com/doc?99912
DESIGN SUPPORT TOOLS
click logo to get started
Models
Available
MECHANICAL DATA
Case:
DO-35 (DO-204AH)
Weight:
approx. 125 mg
Cathode band color:
black
Packaging codes/options:
TR/10K per 13" reel (52 mm tape), 50K/box
TAP/10K per ammo tape (52 mm tape), 50K/box
PARTS TABLE
PART
BAT42
BAT43
ORDERING CODE
BAT42-TR or BAT42-TAP
BAT43-TR or BAT43-TAP
CIRCUIT CONFIGURATION
Single
Single
TYPE MARKING
BAT42
BAT43
REMARKS
Tape and reel/ammopack
Tape and reel/ammopack
ABSOLUTE MAXIMUM RATINGS
(T
amb
= 25 °C, unless otherwise specified)
PARAMETER
Repetitive peak reverse voltage
Forward continuous current
(1)
Repetitive peak forward current
Surge forward current
(1)
Power dissipation
(1)
(1)
TEST CONDITION
SYMBOL
V
RRM
I
F
VALUE
30
200
500
4
200
UNIT
V
mA
mA
A
mW
t
p
< 1 s,
δ
< 0.5
t
p
< 10 ms
T
amb
= 65 °C
I
FRM
I
FSM
P
tot
Note
(1)
Valid provided that leads at a distance of 4 mm from case are kept at ambient temperature
THERMAL CHARACTERISTICS
(T
amb
= 25 °C, unless otherwise specified)
PARAMETER
Thermal resistance junction to ambient air
Junction temperature
Ambient operating temperature range
Storage temperature range
(1)
TEST CONDITION
SYMBOL
R
thJA
T
j
T
amb
T
stg
VALUE
300
125
-65 to +125
-65 to +150
UNIT
K/W
°C
°C
°C
Note
(1)
Valid provided that leads at a distance of 4 mm from case are kept at ambient temperature
Rev. 1.8, 01-Jun-17
Document Number: 85660
1
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
BAT42, BAT43
www.vishay.com
Vishay Semiconductors
TEST CONDITION
I
R
= 100 μA (pulsed)
V
R
= 25 V
V
R
= 25 V, T
j
= 100 °C
I
F
= 200 mA
I
F
= 10 mA
BAT42
BAT42
BAT43
BAT43
PART
SYMBOL
V
(BR)
I
R
I
R
V
F
V
F
V
F
V
F
V
F
C
D
t
rr
η
v
80
7
5
260
MIN.
30
0.5
100
1000
400
650
330
450
TYP.
MAX.
UNIT
V
μA
μA
mV
mV
mV
mV
mV
pF
ns
%
ELECTRICAL CHARACTERISTICS
(T
amb
= 25 °C, unless otherwise specified)
PARAMETER
Reverse breakdown voltage
Leakage current
(1)
Forward voltage
(1)
I
F
= 50 mA
I
F
= 2 mA
I
F
= 15 mA
Diode capacitance
Reserve recovery time
Rectification efficieny
Note
(1)
Pulse test; t < 300 μs, t /T < 0.02
p
p
V
R
= 1 V, f = 1 MHz
I
F
= 10 mA, I
R
= 10 mA,
i
R
= 1 mA, R
L
= 100
Ω
R
L
= 15 kΩ, C
L
= 300 pF,
f = 45 MHz, V
RF
= 2 V
TYPICAL CHARACTERISTICS
(T
amb
= 25 °C, unless otherwise specified)
250
1000
I
R
- Reverse Leackage Current (µA)
P
tot
- Power Dissipation (mW)
125 °C
200
150
100
50
0
0
50
100
150
200
100
100 °C
75 °C
10
1
50 °C
25 °C
0.1
0.01
0
10
20
30
40
V
R
- Reverse
Voltage
(V)
50
18444
18442
T
amb
- Ambient Temperature (°C)
Fig. 1 -
Admissible Power Dissipation vs. Ambient Temperature
Fig. 3 -
Typical Reverse Characteristics
1000
14
100
125 °C
- 40 °C
C
D
- Diode Capacitance (pF)
I
F
- Forward Current (mA)
12
10
8
6
4
2
0
10
1
25 °C
0.1
0.01
0
0
5
10
15
20
25
30
18443
200
400
600 800 1000 1200
V
F
- Instantaneous Forward
Voltage
(mV)
18445
V
R
- Reverse
Voltage
(V)
Fig. 2 -
Typical Forward Characteristics
Fig. 4 -
Typical Capacitance vs. Reverse Voltage
Rev. 1.8, 01-Jun-17
Document Number: 85660
2
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
BAT42, BAT43
www.vishay.com
PACKAGE DIMENSIONS
in millimeters (inches):
DO-35 (DO-204AH)
Cathode Identification
Vishay Semiconductors
Ø 0.6 max. [0.024]
Ø 0.4 min. [0.015]
1.7 [0.067]
26 min. [1.024]
3.9 max. [0.154]
3.1 min. [0.120]
26 min. [1.024]
Rev. 6 - Date: 19. December 2011
Document no.: SB-V-3906.04-031(4)
94 9366
Rev. 1.8, 01-Jun-17
Document Number: 85660
3
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
1.3 [0.050]
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
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Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of
typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding
statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a
particular product with the properties described in the product specification is suitable for use in a particular application.
Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over
time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
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© 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 08-Feb-17
1
Document Number: 91000
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