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DISCRETE SEMICONDUCTORS
DATA SHEET
dbook, halfpage
MBD127
BZA800AL series Quadruple ESD transient voltage suppressor
Product data sheet 2002 Jan 11
NXP Semiconductors
Product data sheet
Quadruple ESD transient voltage suppressor
FEATURES * ESD rating >8 kV contact discharge, according to IEC1000-4-2 * SOT353 (SC-88A) surface mount package * Common anode configuration. APPLICATIONS * Computers and peripherals * Audio and video equipment * Communication systems. DESCRIPTION Monolithic transient voltage suppressor diode in a five lead SOT353 (SC-88A) package for 4-bit wide ESD transient suppression. MARKING TYPE NUMBER BZA856AL BZA862AL BZA868AL MARKING CODE M1 M2 M3
1 2 3 5 handbook, halfpage 4
BZA800AL series
PINNING PIN 1 2 3 4 5 cathode 1 common anode cathode 2 cathode 3 cathode 4 DESCRIPTION
1 3 2 4 5
MGT580
Fig.1 Simplified outline (SOT353) and symbol.
LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 60134). SYMBOL Per diode IZ IF IFSM Ptot PZSM working current continuous forward current total power dissipation non repetitive peak reverse power dissipation: BZA856AL BZA862AL BZA868AL Tstg Tj Notes 1. DC working current limited by Ptot(max). 2. Device mounted on standard printed-circuit board. storage temperature junction temperature Tamb = 25 C Tamb = 25 C Tamb = 25 C; note 2; see Fig.5 square pulse; tp = 1 ms; see Fig.3 - - - -65 - 16 15 14 +150 150 W W W C C - - - - note 1 200 4 300 mA mA A mW PARAMETER CONDITIONS MIN. MAX. UNIT
non-repetitive peak forward current tp = 1 ms; square pulse
2002 Jan 11
2
NXP Semiconductors
Product data sheet
Quadruple ESD transient voltage suppressor
THERMAL CHARACTERISTICS SYMBOL Rth j-a Rth j-s PARAMETER thermal resistance from junction to ambient thermal resistance from junction to solder point; note 1 CONDITIONS all diodes loaded one diode loaded all diodes loaded
BZA800AL series
VALUE 410 200 185
UNIT K/W K/W K/W
Note 1. Solder point of common anode (pin 2). ELECTRICAL CHARACTERISTICS Tj = 25 C unless otherwise specified. SYMBOL VF IR PARAMETER forward voltage reverse current BZA856AL BZA862AL BZA868AL VZ working voltage BZA856AL BZA862AL BZA868AL rdif differential resistance BZA856AL BZA862AL BZA868AL SZ temperature coefficient BZA856AL BZA862AL BZA868AL Cd diode capacitance BZA856AL BZA862AL BZA868AL IZSM non-repetitive peak reverse current BZA856AL BZA862AL BZA868AL tp = 1 ms; Tamb = 25 C - - - - - - 2.2 2.1 2 A A A f = 1 MHz; VR = 0 - - - - - - 125 105 90 pF pF pF IZ = 1 mA - - - 0.3 1.6 2.2 - - - mV/K mV/K mV/K IZ = 1 mA - - - - - - 400 300 200 VR = 3 V VR = 4 V VR = 4.3 V IZ = 1 mA 5.32 5.89 6.46 5.6 6.2 6.8 5.88 6.51 7.14 V V V - - - - - - 1 000 500 100 nA nA nA CONDITIONS IF = 200 mA - MIN. - TYP. MAX. 1.3 UNIT V
2002 Jan 11
3
NXP Semiconductors
Product data sheet
Quadruple ESD transient voltage suppressor
BZA800AL series
handbook, halfpage
10
MLD790
102 handbook, halfpage PZSM (W)
MLD791
IZSM (A) BZA856AL
BZA856AL BZA862AL 1 BZA868AL 10 BZA862AL BZA868AL
10-1 10-2
10-1
1
tp (ms)
10
1 10-2
10-1
1
tp (ms)
10
PZSM = VZSM x IZSM. VZSM is the non-repetitive peak reverse voltage at IZSM.
Fig.3 Fig.2 Maximum non-repetitive peak reverse current as a function of pulse time.
Maximum non-repetitive peak reverse power dissipation as a function of pulse duration (square pulse).
handbook, halfpage
120 Cd
MLD792
handbook, halfpage
400
MLD793
(pF) 80
Ptot (mW) 300
200 BZA856AL 40 BZA862AL BZA868AL 100
0 0 2 4 6 VR (V) 8
0 0 50 100 Tamb (C) 150
Tj = 25 C; f = 1 MHz.
Fig.4
Diode capacitance as a function of reverse voltage; typical values.
Fig.5 Power derating curve.
2002 Jan 11
4
NXP Semiconductors
Product data sheet
Quadruple ESD transient voltage suppressor
BZA800AL series
handbook, full pagewidth
ESD TESTER RZ CZ
450
RG 223/U 50 coax
10x ATTENUATOR note 1
DIGITIZING OSCILLOSCOPE
50
IEC 61000-4-2 network CZ = 150 pF; RZ = 330
1/4 BZA800AL
Note 1: attenuator is only used for open socket high voltage measurements
vertical scale = 100 V/div horizontal scale = 50 ns/div
BZA868AL
vertical scale = 5 V/div horizontal scale = 50 ns/div
BZA862AL
BZA856AL GND unclamped +1 kV ESD voltage waveform (IEC 61000-4-2 network) clamped +1 kV ESD voltage waveform (IEC 61000-4-2 network)
GND GND
vertical scale = 100 V/div horizontal scale = 50 ns/div
vertical scale = 5 V/div horizontal scale = 50 ns/div
unclamped -1 kV ESD voltage waveform (IEC 61000-4-2 network)
clamped -1 kV ESD voltage waveform (IEC 61000-4-2 network)
MLD794
Fig.6 ESD clamping test set-up and waveforms.
2002 Jan 11
5
NXP Semiconductors
Product data sheet
Quadruple ESD transient voltage suppressor
APPLICATION INFORMATION Typical common anode application
BZA800AL series
A quadruple transient suppressor in a SOT353 (SC88A) package makes it possible to protect four separate lines using only one package. A simplified example is shown in Fig 7.
handbook, full pagewidth
keyboard, terminal, printer, etc.
I/O
A B C D FUNCTIONAL DECODER
BZA800AL GND
MLD795
Fig.7 Computer interface protection.
Device placement and printed-circuit board layout Circuit board layout is of extreme importance in the suppression of transients. The clamping voltage of the BZA800AL is determined by the peak transient current and the rate of rise of that current (di/dt). Since parasitic inductances can further add to the clamping voltage (V = L di/dt) the series conductor lengths on the printed-circuit board should be kept to a minimum. This includes the lead length of the suppression element. In addition to minimizing conductor length the following printed-circuit board layout guidelines are recommended: 1. Place the suppression element close to the input terminals or connectors 2. Keep parallel signal paths to a minimum 3. Avoid running protection conductors in parallel with unprotected conductors 4. Minimize all printed-circuit board loop areas including power and ground loops 5. Minimize the length of the transient return path to ground 6. Avoid using shared transient return paths to a common ground point.
2002 Jan 11
6
NXP Semiconductors
Product data sheet
Quadruple ESD transient voltage suppressor
PACKAGE OUTLINE
BZA800AL series
Plastic surface mounted package; 5 leads
SOT353
D
B
E
A
X
y
HE
vMA
5
4
Q
A
A1
1
e1 e
2
bp
3
wM B detail X Lp
c
0
1 scale
2 mm
DIMENSIONS (mm are the original dimensions) UNIT mm A 1.1 0.8 A1 max 0.1 bp 0.30 0.20 c 0.25 0.10 D 2.2 1.8 E (2) 1.35 1.15 e 1.3 e1 0.65 HE 2.2 2.0 Lp 0.45 0.15 Q 0.25 0.15 v 0.2 w 0.2 y 0.1
OUTLINE VERSION SOT353
REFERENCES IEC JEDEC EIAJ SC-88A
EUROPEAN PROJECTION
ISSUE DATE 97-02-28
2002 Jan 11
7
NXP Semiconductors
Product data sheet
Quadruple ESD transient voltage suppressor
DATA SHEET STATUS DOCUMENT STATUS(1) Objective data sheet Preliminary data sheet Product data sheet Notes PRODUCT STATUS(2) Development Qualification Production DEFINITION
BZA800AL series
This document contains data from the objective specification for product development. This document contains data from the preliminary specification. This document contains the product specification.
1. Please consult the most recently issued document before initiating or completing a design. 2. The product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple devices. The latest product status information is available on the Internet at URL http://www.nxp.com. DISCLAIMERS General Information in this document is believed to be accurate and reliable. However, NXP Semiconductors does not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information. Right to make changes NXP Semiconductors reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. This document supersedes and replaces all information supplied prior to the publication hereof. Suitability for use NXP Semiconductors products are not designed, authorized or warranted to be suitable for use in medical, military, aircraft, space or life support equipment, nor in applications where failure or malfunction of an NXP Semiconductors product can reasonably be expected to result in personal injury, death or severe property or environmental damage. NXP Semiconductors accepts no liability for inclusion and/or use of NXP Semiconductors products in such equipment or applications and therefore such inclusion and/or use is at the customer's own risk. Applications Applications that are described herein for any of these products are for illustrative purposes only. NXP Semiconductors makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification. Limiting values Stress above one or more limiting values (as defined in the Absolute Maximum Ratings System of IEC 60134) may cause permanent damage to the device. Limiting values are stress ratings only and operation of the device at these or any other conditions 2002 Jan 11 8 above those given in the Characteristics sections of this document is not implied. Exposure to limiting values for extended periods may affect device reliability. Terms and conditions of sale NXP Semiconductors products are sold subject to the general terms and conditions of commercial sale, as published at http://www.nxp.com/profile/terms, including those pertaining to warranty, intellectual property rights infringement and limitation of liability, unless explicitly otherwise agreed to in writing by NXP Semiconductors. In case of any inconsistency or conflict between information in this document and such terms and conditions, the latter will prevail. No offer to sell or license Nothing in this document may be interpreted or construed as an offer to sell products that is open for acceptance or the grant, conveyance or implication of any license under any copyrights, patents or other industrial or intellectual property rights. Export control This document as well as the item(s) described herein may be subject to export control regulations. Export might require a prior authorization from national authorities. Quick reference data The Quick reference data is an extract of the product data given in the Limiting values and Characteristics sections of this document, and as such is not complete, exhaustive or legally binding.
NXP Semiconductors
Customer notification This data sheet was changed to reflect the new company name NXP Semiconductors. No changes were made to the content, except for the legal definitions and disclaimers.
Contact information For additional information please visit: http://www.nxp.com For sales offices addresses send e-mail to: salesaddresses@nxp.com
(c) NXP B.V. 2009 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/pp9 Date of release: 2002 Jan 11 Document order number: 9397 750 09173

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