BAS521 [NXP]
High voltage switching diode; 高压开关二极管
| 型号： | BAS521 |
| 厂家： | 
NXP |
| 描述： | High voltage switching diode |
| 文件： | 总8页 (文件大小：60K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
DISCRETE SEMICONDUCTORS
DATA SHEET
BAS521
High voltage switching diode
Product specification
2003 Aug 12
Philips Semiconductors
Product specification
High voltage switching diode
BAS521
FEATURES
PINNING
PIN
• High switching speed: max. 50 ns
• High continuous reverse voltage: 300 V
• Repetitive peak forward current: 625 mA
• Ultra small plastic SMD package.
DESCRIPTION
1
2
cathode
anode
APPLICATIONS
handbook, halfpage
1
2
• High speed switching
• High voltage switching.
MAM408
Top view
DESCRIPTION
Marking code: L4.
The marking bar indicates the cathode.
The BAS521 is a high-voltage switching diode fabricated
in planar technology and encapsulated in an ultra small
SOD523 (SC-79) plastic SMD package.
Fig.1 Simplified outline (SOD523; SC-79), and
symbol.
LIMITING VALUES
In accordance with the absolute Maximum Rating System (IEC 60134).
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
300
UNIT
VR
continuous reverse voltage
repetitive peak reverse voltage
continuous forward current
repetitive peak forward current
−
−
−
−
−
V
V
VRRM
IF
IFRM
IFSM
300
250
1
Ts ≤ 90 °C; note 1
tp = 1 ms; δ = 0.25
mA
A
non-repetitive peak forward current tp = 1 µs; square wave; Tj = 25 °C
4.5
A
prior to surge
Ptot
Tstg
Tj
total power dissipation
storage temperature
Ts ≤ 90 °C; note 1
−
500
mW
°C
−65
−
+150
150
junction temperature
°C
Tamb
operating ambient temperature
−65
+150
°C
Note
1. Ts is the temperature at the soldering point of the cathode tab.
2003 Aug 12
2
Philips Semiconductors
Product specification
High voltage switching diode
BAS521
ELECTRICAL CHARACTERISTICS
Tamb = 25 °C unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
300
TYP.
340
MAX.
UNIT
VBR
VF
IR
breakdown voltage
forward voltage
reverse current
IR = 100 µA
−
V
V
IF = 100 mA; note 1
VR = 250 V
−
−
−
−
0.95
30
1.1
150
100
50
nA
µA
ns
VR = 250 V; Ta = 150 °C
40
trr
reverse recovery time
diode capacitance
when switched from IF = 30 mA to
IR = 30 mA; RL = 100 Ω; measured at
IR = 3 mA
16
Cd
VR = 0 V; f = 1 MHz
−
0.4
5
pF
Note
1. Pulse test: tp = 300 µs; δ = 0.02.
THERMAL CHARACTERISTICS
SYMBOL
Rth j-s
PARAMETER
CONDITIONS
note 1
note 2
VALUE
UNIT
K/W
K/W
thermal resistance from junction to solder point
thermal resistance from junction to ambient
120
500
Rth j-a
Notes
1. Soldering point of the cathode tab.
2. Refer to SOD523 (SC-79) standard mounting conditions.
2003 Aug 12
3
Philips Semiconductors
Product specification
High voltage switching diode
BAS521
GRAPHICAL DATA
MHC618
MHC619
2
10
500
handbook, halfpage
handbook, halfpage
I
F
I
R
(mA)
(µA)
400
10
300
200
100
1
−1
10
(1) (2)
(3)
1
−2
10
0
0
0
40
80
120
160
200
T (°C)
0.5
1.5
V
(V)
F
j
(1) Tamb = 150 °C.
(2) Tamb = 75 °C.
VR = VRmax; typical values.
(3)
Tamb =25 °C.
Fig.2 Forward current as a function of forward
voltage; typical values.
Fig.3 Reverse current as a function of junction
temperature.
MHC620
MHC621
300
0.42
handbook, halfpage
handbook, halfpage
C
d
I
F
(pF)
0.38
(mA)
200
100
0.34
0.3
0
0
50
100
150
200
(°C)
0
10
20
30
40
V
(V)
R
T
amb
Fig.4 Maximum permissible continuous forward
current as a function of ambient
temperature.
Fig.5 Diode capacitance as a function of reverse
voltage; typical values.
2003 Aug 12
4
Philips Semiconductors
Product specification
High voltage switching diode
BAS521
MBG703
2
10
I
FSM
(A)
10
1
−1
10
2
3
4
1
10
10
10
10
t
(µs)
p
Based on square wave currents.
Tj = 25°C prior to surge.
Fig.6 Maximum permissible non-repetitive peak forward current as a function of pulse duration.
2003 Aug 12
5
Philips Semiconductors
Product specification
High voltage switching diode
BAS521
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
0.34
0.26
0.17
0.11
0.65
0.58
1.25
1.15
0.85
0.75
1.65
1.55
mm
0.1
(1)
Note
1. The marking bar indicates the cathode.
REFERENCES
JEDEC
EUROPEAN
PROJECTION
OUTLINE
VERSION
ISSUE DATE
IEC
JEITA
98-11-25
02-12-13
SOD523
SC-79
2003 Aug 12
6
Philips Semiconductors
Product specification
High voltage switching diode
BAS521
DATA SHEET STATUS
DATA SHEET
STATUS(1)
PRODUCT
STATUS(2)(3)
LEVEL
DEFINITION
I
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.
II
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.
III
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. Relevant changes will
be communicated via a Customer Product/Process Change Notification
(CPCN).
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.
3. For data sheets describing multiple type numbers, the highest-level product status determines the data sheet status.
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 in the products -
including circuits, standard cells, and/or software -
described or contained herein in order to improve design
and/or performance. When the product is in full production
(status ‘Production’), relevant changes will be
Application information
Applications that are
communicated via a Customer Product/Process Change
Notification (CPCN). 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.
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.
2003 Aug 12
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. 2003
SCA75
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: 2003 Aug 12
Document order number: 9397 750 11448
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