BB157/TM [NXP]
DIODE VHF BAND, SILICON, VARIABLE CAPACITANCE DIODE, PLASTIC, SC-76, 2 PIN, Variable Capacitance Diode;
| 型号： | BB157/TM |
| 厂家： | 
NXP |
| 描述： | DIODE VHF BAND, SILICON, VARIABLE CAPACITANCE DIODE, PLASTIC, SC-76, 2 PIN, Variable Capacitance Diode 光电二极管 |
| 文件： | 总8页 (文件大小：44K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
DISCRETE SEMICONDUCTORS
DATA SHEET
book, halfpage
BB157/TM
VHF variable capacitance diode
Product specification
2002 Mar 05
Philips Semiconductors
Product specification
VHF variable capacitance diode
BB157/TM
FEATURES
PINNING
PIN
• High linearity
DESCRIPTION
• Excellent matching in one group/3k reel
• Very small plastic SMD package
• C25: 2.75 pF; ratio: min. 11
• Low series resistance.
1
2
cathode
anode
APPLICATIONS
• Electronic tuning in VHF television tuners
• Voltage controlled oscillators (VCO).
1
2
DESCRIPTION
The BB157 is a variable capacitance diode, fabricated in
planar technology and encapsulated in the SOD323
(SC-76) very small plastic SMD package. The excellent
matching performance is achieved by gliding matching
and a Direct Matching Assembly (DMA) procedure.
MAM392
The marking bar indicates the cathode.
MARKING
Fig.1 Simplified outline SOD323 (SC76) and
symbol.
TYPE NUMBER
BB157/TM
MARKING CODE
PG
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134).
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
30
UNIT
VR
VRM
IF
continuous reverse voltage
peak reverse voltage
−
−
−
V
V
in series with a 10 kΩ resistor
35
continuous forward current
storage temperature
20
mA
°C
Tstg
Tj
−55
−55
+150
+150
operating junction temperature
°C
2002 Mar 05
2
Philips Semiconductors
Product specification
VHF variable capacitance diode
BB157/TM
CHARACTERISTICS
Tj = 25 °C unless otherwise specified.
SYMBOL
PARAMETER
reverse current
CONDITIONS
VR = 30 V; see Fig.3
MIN.
TYP. MAX. UNIT
IR
−
−
−
−
−
−
−
−
−
10
nA
nA
Ω
VR = 30 V; Tj = 85 °C; see Fig.3
f = 470 MHz; VR = 5 V
−
200
0.75
43.8
34.2
2.92
2.76
−
rs
diode series resistance
diode capacitance
−
Cd
VR = 1 V; f = 1 MHz; see Figs 2 and 4
VR = 2 V; f = 1 MHz; see Figs 2 and 4
VR = 25 V; f = 1 MHz; see Figs 2 and 4
VR = 28 V; f = 1 MHz; see Figs 2 and 4
f = 1 MHz
37.5
29.3
2.57
2.42
11
pF
pF
pF
pF
capacitance ratio
capacitance ratio
capacitance matching
Cd(2V)
------------------
Cd(25V)
f = 1 MHz
14.85
−
−
−
C d(1V)
------------------
Cd(28V)
VR = 2 to 25 V; in a sequence of 15
diodes (gliding). 3000 products in one
matching group (without matching gaps)
−
2
%
∆ C d
----------
C d
2002 Mar 05
3
Philips Semiconductors
Product specification
VHF variable capacitance diode
BB157/TM
MGU594
50
C
d
(pF)
40
30
20
10
0
10
−1
2
1
10
10
V
(V)
R
f = 1 MHz; Tj = 25 °C.
Fig.2 Diode capacitance as a function of reverse voltage; typical values.
MLC816
MGU595
−3
3
10
10
handbook, halfpage
handbook, halfpage
TC
d
I
R
−1
(K
)
(nA)
−4
2
10
10
−5
10
10
0
−1
2
10
1
10
10
50
100
o
T
( C)
V
(V)
R
j
Fig.4 Temperature coefficient of diode
capacitance as a function of reverse
voltage; typical values.
Fig.3 Reverse current as a function of junction
temperature; maximum values.
2002 Mar 05
4
Philips Semiconductors
Product specification
VHF variable capacitance diode
BB157/TM
PACKAGE OUTLINE
SOD323
Plastic surface mounted package; 2 leads
Q
A
A
1
c
L
p
v
M
A
H
E
A
D
1
2
b
E
p
(1)
0
1
2 mm
scale
DIMENSIONS (mm are the original dimensions)
A
1
max.
UNIT
A
b
c
D
E
H
L
p
Q
v
p
E
+ 0.05 0.40
− 0.05 0.25
0.25
0.10
1.1
0.8
1.8
1.6
1.35
1.15
2.7
2.3
0.45
0.15
0.25
0.15
mm
0.2
Note
1. The marking bar indicates the cathode.
REFERENCES
JEDEC
EUROPEAN
PROJECTION
OUTLINE
VERSION
ISSUE DATE
IEC
EIAJ
98-09-14
99-09-13
SOD323
SC-76
2002 Mar 05
5
Philips Semiconductors
Product specification
VHF variable capacitance diode
BB157/TM
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.
2002 Mar 05
6
Philips Semiconductors
Product specification
VHF variable capacitance diode
BB157/TM
NOTES
2002 Mar 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: sales.addresses@www.semiconductors.philips.com.
© Koninklijke Philips Electronics N.V. 2002
SCA74
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
613514/01/pp8
Date of release: 2002 Mar 05
Document order number: 9397 750 09331
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