M3D302 BZA420A Quadruple transient voltage suppressor Produc

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M3D302 BZA420A Quadruple transient voltage suppressor Produc

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M3D302
BZA420A Quadruple transient voltage suppressor
Product data sheet Supersedes data 1998 1999
Semiconductors
Product data sheet
Quadruple transient voltage suppressor
FEATURES rating according IEC1000-4-2 SOT457 surface mount package Common anode configuration Non-clamping range -0.5 Maximum reverse peak power dissipation: 19.6 Maximum clamping voltage peak pulse current: IZSM APPLICATIONS Computers peripherals Audio video equipment Communication systems Medical equipment.
MAM357
BZA420A
PINNING cathode common cathode cathode common cathode DESCRIPTION
handbook, halfpage
DESCRIPTION Monolithic transient voltage suppressor diode lead SOT457 (SC-74) package 4-bit wide transient suppression level.
view
Marking code:
Fig.1 Simplified outline (SOT457) symbol.
LIMITING VALUES accordance with Absolute Maximum Rating System (IEC 134). SYMBOL diode IFSM IZSM Ptot PZSM Tstg Notes temperature soldering point anode pin. working current limited Ptot max. working current continuous forward current non-repetitive peak forward current non-repetitive peak reverse current total power dissipation repetitive peak reverse power dissipation storage temperature junction temperature note square pulse square pulse; Fig.2 Fig.3 square pulse; Fig.4 note 3.75 19.6 +150 +150 PARAMETER CONDITIONS MIN. MAX. UNIT
1999
Semiconductors
Product data sheet
Quadruple transient voltage suppressor
THERMAL CHARACTERISTICS SYMBOL PARAMETER thermal resistance from junction soldering point CONDITIONS more diodes loaded
BZA420A
VALUE
UNIT
ELECTRICAL CHARACTERISTICS unless otherwise specified. SYMBOL diode VZSM rdif working voltage forward voltage reverse current differential resistance temperature coefficient working voltage diode capacitance Fig.5 16.2 mV/K PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
non-repetitive peak reverse voltage IZSM
1999
Semiconductors
Product data sheet
Quadruple transient voltage suppressor
BZA420A
MDA197
1000 Ptot
MDA198
IZSM
(mW)
10-1 10-1
(ms)
(oC)
diodes loaded.
Fig.2
Maximum non-repetitive peak reverse current function pulse time.
Fig.3 Power derating curve.
MDA199
MDA200
PZSM
(pF)
10-1
(ms)
PZSM VZSM IZSM. VZSM non-repetitive peak reverse voltage IZSM.
MHz.
Fig.4
Maximum non-repetitive peak reverse power dissipation function pulse duration (square pulse).
Fig.5
Diode capacitance function reverse voltage; typical values.
1999
Semiconductors
Product data sheet
Quadruple transient voltage suppressor
BZA420A
handbook, full pagewidth
TESTER
223/U coax
ATTENUATOR note
DIGITIZING OSCILLOSCOPE
Note attenuator only used open socket high voltage measurements 1000-4-2 network BZA420A
vertical scale V/Div horizontal scale ns/Div
vertical scale V/Div horizontal scale ns/Div
unclamped voltage waveform (IEC 1000-4-2 network)
clamped voltage waveform (IEC 1000-4-2 network)
vertical scale V/Div horizontal scale ns/Div unclamped voltage waveform (IEC 1000-4-2 network)
vertical scale V/Div horizontal scale ns/Div clamped voltage waveform (IEC 1000-4-2 network)
MBK386
Fig.6 clamping test set-up waveforms.
1999
Semiconductors
Product data sheet
Quadruple transient voltage suppressor
APPLICATION INFORMATION Typical common anode application
BZA420A
quadruple transient suppressor SOT457 package makes possible protect four separate lines using only package. simplified examples shown Figs
handbook, full pagewidth
keyboard, terminal, printer, etc.
FUNCTIONAL DECODER
BZA420A
MGK456
Fig.7 Computer interface protection.
handbook, full pagewidth
address
data
CLOCK
control
BZA420A
MGK457
Fig.8 Microprocessor protection.
1999
Semiconductors
Product data sheet
Quadruple transient voltage suppressor
Device placement printed-circuit board layout Circuit board layout extreme importance suppression transients. clamping voltage BZA420A determined peak transient current rate rise that current (di/dt). Since parasitic inductances further clamping voltage di/dt) series conductor lengths printed-circuit board should kept minimum. This includes lead length suppression element. addition minimizing conductor length following printed-circuit board layout guidelines recommended: Place suppression element close input terminals connectors Keep parallel signal paths minimum Avoid running protection conductors parallel with unprotected conductors Minimize printed-circuit board loop areas including power ground loops Minimize length transient return path ground Avoid using shared transient return paths common ground point.
BZA420A
1999
Semiconductors
Product data sheet
Quadruple transient voltage suppressor
PACKAGE OUTLINE
BZA420A
Plastic surface mounted package; leads
SOT457
index
detail
scale
DIMENSIONS original dimensions) UNIT 0.013 0.40 0.25 0.26 0.10 0.95 0.33 0.23
OUTLINE VERSION SOT457
REFERENCES JEDEC EIAJ SC-74
EUROPEAN PROJECTION
ISSUE DATE 97-02-28 01-05-04
1999
Semiconductors
Product data sheet
Quadruple transient voltage suppressor
DATA SHEET STATUS DOCUMENT STATUS(1) Objective data sheet Preliminary data sheet Product data sheet Notes Please consult most recently issued document before initiating completing design. PRODUCT STATUS(2) Development Qualification Production DEFINITION
BZA420A
This document contains data from objective specification product development. This document contains data from preliminary specification. This document contains product specification.
product status device(s) described this document have changed since this document published differ case multiple devices. latest product status information available Internet http://www.nxp.com. DISCLAIMERS General Information this document believed accurate reliable. However, Semiconductors does give representations warranties, expressed implied, accuracy completeness such information shall have liability consequences such information. Right make changes Semiconductors reserves right make changes information published this document, including without limitation specifications product descriptions, time without notice. This document supersedes replaces information supplied prior publication hereof. Suitability Semiconductors products designed, authorized warranted suitable medical, military, aircraft, space life support equipment, applications where failure malfunction Semiconductors product reasonably expected result personal injury, death severe property environmental damage. Semiconductors accepts liability inclusion and/or Semiconductors products such equipment applications therefore such inclusion and/or customer's risk. Applications Applications that described herein these products illustrative purposes only. Semiconductors makes representation warranty that such applications will suitable specified without further testing modification. Limiting values Stress above more limiting values defined Absolute Maximum Ratings System 60134) cause permanent damage device. Limiting values stress ratings only operation device these other conditions 1999 above those given Characteristics sections this document implied. Exposure limiting values extended periods affect device reliability. Terms conditions sale Semiconductors products sold subject general terms conditions commercial sale, published including those pertaining warranty, intellectual property rights infringement limitation liability, unless explicitly otherwise agreed writing Semiconductors. case inconsistency conflict between information this document such terms conditions, latter will prevail. offer sell license Nothing this document interpreted construed offer sell products that open acceptance grant, conveyance implication license under copyrights, patents other industrial intellectual property rights. Export control This document well item(s) described herein subject export control regulations. Export might require prior authorization from national authorities. Quick reference data Quick reference data extract product data given Limiting values Characteristics sections this document, such complete, exhaustive legally binding.
Semiconductors
Customer notification This data sheet changed reflect company name Semiconductors, including legal definitions disclaimers. changes were made technical content, except package outline drawings which were updated latest version.
Contact information additional information please visit: http://www.nxp.com sales offices addresses send e-mail salesaddresses@nxp.com
B.V. 2009 rights reserved. Reproduction whole part prohibited without prior written consent copyright owner. information presented this document does form part quotation contract, believed accurate reliable changed without notice. liability will accepted publisher consequence use. Publication thereof does convey imply license under patent- other industrial intellectual property rights.
Printed Netherlands 115002/00/03/pp10 Date release: 1999 Document order number: 9397 05952

M3D302 BZA420A Quadruple transient voltage suppressor Produc

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