PHILIPS BA591

DISCRETE SEMICONDUCTORS
DATA SHEET
book, halfpage
M3D049
BA591
Band-switching diode
Product specification
Supersedes data of 1998 Aug 18
1998 Aug 31
Philips Semiconductors
Product specification
Band-switching diode
BA591
FEATURES
DESCRIPTION
• Very small plastic SMD package
The BA591 is a planar, high
performance band-switching diode in
the very small SOD323 SMD plastic
package.
• Low diode capacitance:
max. 1.05 pF
• Low diode forward resistance:
max. 0.7 Ω
PINNING
PIN
DESCRIPTION
1
cathode
2
anode
• Small inductance.
handbook, halfpage
1
2
APPLICATIONS
• Low loss band-switching in VHF
television tuners
• Surface mount band-switching
circuits.
MAM406
Marking code: A1.
The marking band indicates the cathode.
Fig.1 Simplified outline (SOD323) and symbol.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
VR
continuous reverse voltage
−
35
V
IF
continuous forward current
−
100
mA
Ptot
total power dissipation
−
500
mW
Tstg
storage temperature
Ts = 90 °C
−65
+150
°C
Tj
junction temperature
−65
+150
°C
ELECTRICAL CHARACTERISTICS
Tj = 25 °C unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
TYP.
MAX.
UNIT
VF
forward voltage
IF = 10 mA
−
1
V
IR
reverse current
VR = 20 V
−
20
nA
Cd
diode capacitance
f = 1 MHz; note 1; see Fig.2
VR = 1 V
0.8
1.05
pF
VR = 3 V
0.65
0.9
pF
IF = 3 mA
0.45
0.7
Ω
IF = 10 mA
0.36
0.5
Ω
rD
diode forward resistance
1/gp
reverse resistance
LS
series inductance
f = 100 MHz; note 1; see Fig.3
VR = 1 V; f = 100 MHz; note 1
Note
1. Guaranteed on AQL basis; inspection level S4, AQL 1.0.
1998 Aug 31
2
100
−
kΩ
2
−
nH
Philips Semiconductors
Product specification
Band-switching diode
BA591
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
thermal resistance from junction to soldering point
Rth j-s
VALUE
UNIT
120
K/W
GRAPHICAL DATA
MGL477
1.6
MGL476
10
handbook, halfpage
handbook, halfpage
Cd
(pF)
rD
(Ω)
1.2
1
0.8
0.4
10−1
10−1
0
0
10
20
VR (V)
30
f = 1 MHz; Tj = 25 °C.
f = 100 MHz; Tj = 25 °C.
Fig.2
Fig.3
Diode capacitance as a function of reverse
voltage; typical values.
1998 Aug 31
3
1
10
IF (mA)
102
Diode forward resistance as a function of
forward current; typical values.
Philips Semiconductors
Product specification
Band-switching diode
BA591
PACKAGE OUTLINE
SOD323
Plastic surface mounted package; 2 leads
A
A1
,
Q
c
Lp
v M A
HE
A
D
1
E
bp
2
(1)
0
1
2 mm
scale
DIMENSIONS (mm are the original dimensions)
UNIT
A
A1
max.
bp
mm
1.1
0.8
+ 0.05
− 0.05
0.40
0.25
c
D
E
HE
Lp
Q
v
0.25
0.10
1.8
1.6
1.35
1.15
2.7
2.3
0.45
0.15
0.25
0.15
0.2
Note
1. The marking bar indicates the cathode.
OUTLINE
VERSION
REFERENCES
IEC
JEDEC
EIAJ
SOD323
1998 Aug 31
EUROPEAN
PROJECTION
ISSUE DATE
98-09-14
4
Philips Semiconductors
Product specification
Band-switching diode
BA591
DEFINITIONS
Data Sheet Status
Objective specification
This data sheet contains target or goal specifications for product development.
Preliminary specification
This data sheet contains preliminary data; supplementary data may be published later.
Product specification
This data sheet contains final product specifications.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). 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.
Application information
Where application information is given, it is advisory and does not form part of the specification.
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 customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.
1998 Aug 31
5
Philips Semiconductors
Product specification
Band-switching diode
BA591
NOTES
1998 Aug 31
6
Philips Semiconductors
Product specification
Band-switching diode
BA591
NOTES
1998 Aug 31
7
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© Philips Electronics N.V. 1998
SCA60
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Printed in The Netherlands
115104/00/02/pp8
Date of release: 1998 Aug 31
Document order number:
9397 750 04307