PHILIPS BAT74 Schottky barrier double diode Datasheet

DISCRETE SEMICONDUCTORS
DATA SHEET
M3D071
BAT74
Schottky barrier double diode
Product specification
Supersedes data of 1996 Mar 19
2001 Sep 05
Philips Semiconductors
Product specification
Schottky barrier double diode
BAT74
FEATURES
PINNING
• Low forward voltage
PIN
• Guard ring protected
1
• Small plastic SMD package.
cathode (k1)
2
cathode (k2)
3
anode (a2)
4
anode (a1)
APPLICATIONS
DESCRIPTION
• Ultra high-speed switching
• Voltage clamping
• Protection circuits
handbook, halfpage 4
• Blocking diodes.
3
4
3
1
2
DESCRIPTION
Planar Schottky barrier double diode. Two separate dies
encapsulated in a SOT143B small plastic SMD package.
1
2
Top view
MAM194
MARKING
TYPE NUMBER
Fig.1
MARKING CODE
BAT74
Simplified outline (SOT143B), pin
configuration and symbol.
L41
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134).
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
Per diode
VR
continuous reverse voltage
−
30
V
IF
continuous forward current
−
200
mA
IFRM
repetitive peak forward current
tp ≤ 1 s; δ ≤ 0.5
−
300
mA
IFSM
non-repetitive peak forward current
tp < 10 ms
600
mA
Ptot
total power dissipation
Tamb ≤ 25 °C; see Fig.2
−
230
mW
Tstg
storage temperature
−65
+150
°C
Tj
junction temperature
−
125
°C
Tamb
operating ambient temperature
−65
+125
°C
−
30
V
−
60
V
−
110(1)
mA
−
200
mA
Double diode operation
VR
continuous reverse voltage
series connection
IF
continuous forward current
IFRM
repetitive peak forward current
tp ≤ 1 s; δ ≤ 0.5
Note
1. If both diodes are in forward operation at the same moment, total device current is max. 110 mA. If one diode is in
reverse operation and the other is in forward operation at the same moment, total device current is max. 200 mA.
2001 Sep 05
2
Philips Semiconductors
Product specification
Schottky barrier double diode
BAT74
THERMAL CHARACTERISTICS
SYMBOL
Rth j-a
PARAMETER
thermal resistance from junction to ambient
CONDITIONS
VALUE
UNIT
500
K/W
MAX.
UNIT
note 1
Note
1. Refer to SOT143B standard mounting conditions.
ELECTRICAL CHARACTERISTICS
Tamb = 25 °C unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
Per diode
VF
forward voltage
see Fig.3
IF = 0.1 mA
240
mV
IF = 1 mA; note 1
320
mV
IF = 10 mA
400
mV
IF = 30 mA
500
mV
IF = 100 mA
800
mV
IR
reverse current
VR = 25 V; note 2; see Fig.4
2
µA
trr
reverse recovery time
when switched from IF = 10 mA to
IR = 10 mA; RL = 100 Ω;
measured at IR = 1 mA; see Fig.6
5
ns
Cd
diode capacitance
f = 1 MHz; VR = 1 V; see Fig.5
10
pF
Notes
1. Temperature coefficient of forward voltage −0.6%/K.
2. Pulsed test: tp = 300µs; δ = 0.02.
2001 Sep 05
3
Philips Semiconductors
Product specification
Schottky barrier double diode
BAT74
MSA894
300
MSA892
3
10halfpage
handbook,
IF
(mA)
P tot
(mW)
(1) (2) (3)
10
2
200
10
100
1
0
0
75
10 1
150
Tamb ( oC)
(1)
(2)
(3)
0
0.4
0.8
VF (V)
1.2
(1) Tamb = 125 °C.
(2) Tamb = 85 °C.
(3) Tamb = 25 °C.
Fig.3
Forward current as a function of forward
voltage; typical values.
Fig.2 Power derating curve.
MSA893
10 3
MSA891
15
handbook, halfpage
IR
(µA)
(1)
Cd
(pF)
10 2
10
(2)
10
5
1
(3)
0
10 1
0
10
20
VR (V)
30
0
10
20
VR (V)
30
(1) Tamb = 125 °C.
(2) Tamb = 85 °C.
(3) Tamb = 25 °C.
f = 1 MHz; Tamb = 25 °C.
Fig.4
Fig.5
Reverse current as a function of reverse
voltage; typical values.
2001 Sep 05
4
Diode capacitance as a function of reverse
voltage; typical values.
Philips Semiconductors
Product specification
Schottky barrier double diode
BAT74
handbook,
halfpage
I
F
dI F
dt
10% t
Qr
90%
IR
tf
MRC129 - 1
Fig.6 Reverse recovery definitions.
2001 Sep 05
5
Philips Semiconductors
Product specification
Schottky barrier double diode
BAT74
PACKAGE OUTLINE
Plastic surface mounted package; 4 leads
SOT143B
D
B
E
A
X
y
HE
v M A
e
bp
w M B
4
3
Q
A
A1
c
1
2
Lp
b1
e1
detail X
0
1
2 mm
scale
DIMENSIONS (mm are the original dimensions)
UNIT
A
A1
max
bp
b1
c
D
E
e
e1
HE
Lp
Q
v
w
y
mm
1.1
0.9
0.1
0.48
0.38
0.88
0.78
0.15
0.09
3.0
2.8
1.4
1.2
1.9
1.7
2.5
2.1
0.45
0.15
0.55
0.45
0.2
0.1
0.1
OUTLINE
VERSION
REFERENCES
IEC
JEDEC
EIAJ
ISSUE DATE
97-02-28
SOT143B
2001 Sep 05
EUROPEAN
PROJECTION
6
Philips Semiconductors
Product specification
Schottky barrier double diode
BAT74
DATA SHEET STATUS
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.
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.
DEFINITIONS
DISCLAIMERS
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.
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
Semiconductors customers using or selling these products
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.
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
at these or at any other conditions above those given in the
Characteristics sections of the specification is not implied.
Exposure to limiting values for extended periods may
affect device reliability.
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
the use of any of these products, conveys no licence or title
under any patent, copyright, or mask work right to these
products, and makes no representations or warranties that
these products are free from patent, copyright, or mask
work right infringement, unless otherwise specified.
Application information  Applications that are
described herein for any of these products are for
illustrative purposes only. Philips Semiconductors make
no representation or warranty that such applications will be
suitable for the specified use without further testing or
modification.
2001 Sep 05
7
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: [email protected].
© 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
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Printed in The Netherlands
613514/02/pp8
Date of release: 2001
Sep 05
Document order number:
9397 750 08588
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