DATA SH EET
Product specification
Supersedes data of 1998 Oct 30 2001 Aug 27
DISCRETE SEMICONDUCTORS
BAT120
Schottky barrier double diodes
halfpage
M3D087
2001 Aug 27 2
Philips Semiconductors Product specification
Schottky barrier double diodes BAT120
FEATURES
Low switching losses
Capability of absorbing very high
surge current
Fast recovery time
Guard ring protected
Plastic SMD package.
APPLICATIONS
Low power switched-mode power
supplies
Rectification
Polarity protection.
DESCRIPTION
PlanarSchottkybarrierdoublediodes
encapsulated in a SOT223 plastic
SMD package
PINNING
PIN BAT120
ACS
1k
1a
1a
1
2 n.c. n.c. n.c.
3k
2a
2k
2
4a
1
, a2k1, k2k1, a2
Fig.1 Simplified outline
(SOT223) and pin
configuration.
a
ge
4
123
MSB002 - 1
Top view
Fig.2 BAT120A diode
configuration (symbol).
p
age
MGL171
13
2 n.c.
4
Fig.3 BAT120C diode
configuration (symbol).
p
age
MGL172
13
2 n.c.
4
Fig.4 BAT120S diode
configuration (symbol).
p
age
MGL173
13
4
2 n.c.
MARKING
TYPE NUMBER MARKING
CODE
BAT120A AT120A
BAT120C AT120C
BAT120S AT120S
2001 Aug 27 3
Philips Semiconductors Product specification
Schottky barrier double diodes BAT120
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134).
ELECTRICAL CHARACTERISTICS
Tamb =25°C unless otherwise specified.
Note
1. Pulse test: tp= 300 µs; δ= 0.02.
THERMAL CHARACTERISTICS
Note
1. Refer to SOT223 standard mounting conditions.
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
Per diode
VRcontinuous reverse voltage 25 V
IFcontinuous forward current 1A
I
FSM non-repetitive peak forward current tp<10 ms; half sinewave;
JEDEC method 10 A
IRSM non-repetitive peak reverse current tp= 100 µs0.5 A
Tstg storage temperature 65 +150 °C
Tjjunction temperature 125 °C
Tamb operating ambient temperature 65 +125 °C
SYMBOL PARAMETER CONDITIONS TYP. MAX. UNIT
Per diode
VFforward voltage see Fig.5
IF= 100 mA 260 300 mV
IF= 1 A 400 450 mV
IRreverse current VR= 20 V; note 1; see Fig.6 80 500 µA
VR= 25 V; note 1; see Fig.6 1mA
V
R
= 20 V; Tj= 100 °C; note 1 10 mA
Cddiode capacitance f = 1 MHz; VR= 4 V; see Fig.7 100 pF
SYMBOL PARAMETER CONDITIONS VALUE UNIT
Rth j-a thermal resistance from junction to ambient note 1 100 K/W
2001 Aug 27 4
Philips Semiconductors Product specification
Schottky barrier double diodes BAT120
GRAPHICAL DATA
(1) Tamb = 125 °C.
(2) Tamb = 100 °C. (3) Tamb =75°C.
(4) Tamb =25°C.
Fig.5 Forward current as a function of forward
voltage; typical values.
handbook, halfpage
1.0
VF (V)
IF
(mA)
00.2 0.4 0.6 0.8
104
103
102
10
1
MBK572
(1)
(2)
(3)
(4)
handbook, halfpage
30
VR (V)
IR
(µA)
010 20
105
104
103
102
10
1
MHB970
(1)
(2)
(3)
(4)
(1) Tamb = 125 °C.
(2) Tamb = 100 °C. (3) Tamb =75°C.
(4) Tamb =25°C.
Fig.6 Reverse current as a function of reverse
voltage; typical values.
Fig.7 Diode capacitance as a function of reverse
voltage; typical values.
f = 1 MHz; Tamb =25°C.
handbook, halfpage
30
VR (V)
Cd
(pF)
01020
103
102
10
MBK571
2001 Aug 27 5
Philips Semiconductors Product specification
Schottky barrier double diodes BAT120
PACKAGE OUTLINE
UNIT A1bpcDEe
1H
EL
pQywv
REFERENCES
OUTLINE
VERSION EUROPEAN
PROJECTION ISSUE DATE
IEC JEDEC EIAJ
mm 0.10
0.01
1.8
1.5 0.80
0.60
b1
3.1
2.9 0.32
0.22 6.7
6.3 3.7
3.3 2.3
e
4.6 7.3
6.7 1.1
0.7 0.95
0.85 0.1 0.10.2
DIMENSIONS (mm are the original dimensions)
SOT223 SC-73 97-02-28
99-09-13
wM
bp
D
b1
e1
e
A
A1
Lp
Q
detail X
HE
E
vMA
AB
B
c
y
0 2 4 mm
scale
A
X
132
4
Plastic surface mounted package; collector pad for good heat transfer; 4 leads SOT223
2001 Aug 27 6
Philips Semiconductors Product specification
Schottky barrier double diodes BAT120
DATA SHEET STATUS
Notes
1. Please consult the most recently issued data sheet before initiating or completing a design.
2. The product status of the device(s) described in this data sheet may have changed since this data sheet was
published. The latest information is available on the Internet at URL http://www.semiconductors.philips.com.
DATA SHEET STATUS(1) PRODUCT
STATUS(2) DEFINITIONS
Objective data Development This data sheet contains data from the objective specification for product
development. Philips Semiconductors reserves the right to change the
specification in any manner without notice.
Preliminary data Qualification This data sheet contains data from the preliminary specification.
Supplementary data will be published at a later date. Philips
Semiconductors reserves the right to change the specification without
notice, in order to improve the design and supply the best possible
product.
Product data Production This data sheet contains data from the product specification. Philips
Semiconductors reserves the right to make changes at any time in order
to improve the design, manufacturing and supply. Changes will be
communicated according to the Customer Product/Process Change
Notification (CPCN) procedure SNW-SQ-650A.
DEFINITIONS
Short-form specification The data in a short-form
specification is extracted from a full data sheet with the
same type number and title. For detailed information see
the relevant data sheet or data handbook.
Limiting values definition Limiting values given are in
accordance with the Absolute Maximum Rating System
(IEC 60134). Stress above one or more of the limiting
values may cause permanent damage to the device.
These are stress ratings only and operation of the device
attheseor atanyotherconditions abovethosegivenin the
Characteristics sections of the specification is not implied.
Exposure to limiting values for extended periods may
affect device reliability.
Application information Applications that are
described herein for any of these products are for
illustrative purposes only. Philips Semiconductors make
norepresentationorwarrantythatsuchapplicationswillbe
suitable for the specified use without further testing or
modification.
DISCLAIMERS
Life support applications These products are not
designed for use in life support appliances, devices, or
systems where malfunction of these products can
reasonably be expected to result in personal injury. Philips
Semiconductorscustomersusingorsellingtheseproducts
for use in such applications do so at their own risk and
agree to fully indemnify Philips Semiconductors for any
damages resulting from such application.
Right to make changes Philips Semiconductors
reserves the right to make changes, without notice, in the
products, including circuits, standard cells, and/or
software, described or contained herein in order to
improve design and/or performance. Philips
Semiconductors assumes no responsibility or liability for
theuseofanyof theseproducts,conveysnolicenceortitle
under any patent, copyright, or mask work right to these
products,and makes norepresentationsor warrantiesthat
these products are free from patent, copyright, or mask
work right infringement, unless otherwise specified.
2001 Aug 27 7
Philips Semiconductors Product specification
Schottky barrier double diodes BAT120
NOTES
© Koninklijke Philips Electronics N.V. 2001 SCA73
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner.
The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed
without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license
under patent- or other industrial or intellectual property rights.
Philips Semiconductors – a worldwide company
Contact information
For additional information please visit http://www.semiconductors.philips.com. Fax: +31 40 27 24825
For sales offices addresses send e-mail to: sales.addresses@www.semiconductors.philips.com.
Printed in The Netherlands 613510/03/pp8 Date of release: 2001 Aug 27 Document order number: 9397 750 08658