BB145C [NXP]
Low-voltage variable capacitance diode; 低电压可变电容二极管
| 型号： | BB145C |
| 厂家： | 
NXP |
| 描述： | Low-voltage variable capacitance diode |
| 文件： | 总8页 (文件大小：53K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
DISCRETE SEMICONDUCTORS
DATA SHEET
BB145C
Low-voltage variable capacitance
diode
Preliminary specification
2001 Dec 11
Philips Semiconductors
Preliminary specification
Low-voltage variable capacitance diode
BB145C
FEATURES
PINNING
• Ultra small plastic SMD package
• Very low capacitance spread
• High capacitance ratio
PIN
DESCRIPTION
1
2
cathode
anode
• C1 to C4 ratio: min. 2.39, max. 2.53.
APPLICATIONS
Voltage Controlled Oscillators (VCO).
1
2
DESCRIPTION
The BB145C is a variable capacitance diode, fabricated in
planar technology and encapsulated in the SOD523 ultra
small plastic SMD package.
MBK441
Cathode side indicated by a bar.
MARKING
TYPE NUMBER
BB145C
MARKING CODE
Fig.1 Simplified outline (SOD523) and symbol.
K3
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134).
SYMBOL
PARAMETER
continuous reverse voltage
peak reverse voltage
CONDITIONS
MIN.
MAX.
10
UNIT
VR
−
−
−
V
V
VRM
IF
in series with a 10 kΩ resistor
12
continuous forward current
storage temperature
20
mA
°C
Tstg
Tj
−55
−55
+150
+150
operating junction temperature
°C
CHARACTERISTICS
Tj = 25 °C unless otherwise specified
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
IR
reverse current
VR = 15 V; see Fig.3
VR = 15 V; Tj = 85 °C
VR = 1 V; f = 470 MHz
VR = 1 V; f = 1 MHz
VR = 4 V; f = 1 MHz
f = 1 MHz
−
3
nA
nA
Ω
−
30
rs
diode series resistance
diode capacitance
−
0.6
7.2
2.85
2.53
Cd
6.4
2.55
2.39
pF
pF
capacitance ratio
Cd(1V)
----------------
Cd(4V)
2001 Dec 11
2
Philips Semiconductors
Preliminary specification
Low-voltage variable capacitance diode
BB145C
GRAPHICAL DATA
MGU539
10
C
d
(pF)
8
6
4
2
0
10
−1
2
1
10
10
V
(V)
R
Fig.2 Diode capacitance as a function of reverse voltage; typical values.
MGU540
MGU541
2
−3
10
10
handbook, halfpage
handbook, halfpage
TC
d
I
R
−1
(K
)
(nA)
−4
10
10
−5
10
1
0
−1
2
10
1
10
10
20
40
60
80
100
T (°C)
V
(V)
R
j
Fig.4 Temperature coefficient of diode
Fig.3 Reverse current as a function of junction
temperature; maximum values.
capacitance as a function of reverse
voltage; typical values.
2001 Dec 11
3
Philips Semiconductors
Preliminary specification
Low-voltage variable capacitance diode
BB145C
PACKAGE OUTLINE
Plastic surface mounted package; 2 leads
SOD523
A
c
v
M
A
H
E
A
D
0
0.5
1 mm
scale
1
2
DIMENSIONS (mm are the original dimensions)
b
E
p
UNIT
A
b
c
D
E
H
v
p
E
0.35
0.25
0.2
0.1
0.7
0.5
1.3
1.1
0.9
0.7
1.7
1.5
mm
0.15
(1)
Note
1. The marking bar indicates the cathode.
REFERENCES
JEDEC
EUROPEAN
PROJECTION
OUTLINE
VERSION
ISSUE DATE
IEC
EIAJ
98-11-25
SOD523
SC-79
2001 Dec 11
4
Philips Semiconductors
Preliminary specification
Low-voltage variable capacitance diode
BB145C
DATA SHEET STATUS
PRODUCT
DATA SHEET STATUS(1)
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
Life support applications
These products are not
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.
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 Dec 11
5
Philips Semiconductors
Preliminary specification
Low-voltage variable capacitance diode
BB145C
NOTES
2001 Dec 11
6
Philips Semiconductors
Preliminary specification
Low-voltage variable capacitance diode
BB145C
NOTES
2001 Dec 11
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: sales.addresses@www.semiconductors.philips.com.
© 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.
Printed in The Netherlands
613512/01/pp8
Date of release: 2001 Dec 11
Document order number: 9397 750 09077
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