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Partno Mfg Dc Qty AvailableDescript
LS5018BN/a64avaiTRISIL
LS5060BSTN/a1020avaiTRISIL
LS5120BSTMN/a200avaiTRISIL


LS5060B ,TRISILLS5018BLS5060B/LS5120BTMTRISIL
LS5120B ,TRISILLS5018BLS5060B/LS5120BTMTRISIL
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LS5018B-LS5060B-LS5120B
TRISIL
LS5018BLS5060B/LS5120B
DIL8

TRISIL
BIDIRECTIONAL CROWBAR PROTECTION.
BREAKDOWNVOLTAGESRANGE:
18V, 60V and 120V.
HOLDING CURRENT= 200mA min.
HIGH SURGE CURRENT CAPABILITY
IPP= 100A 10/1000μs
FEATURES

The LS50xxB series has been designedto protect
telecommunication equipment against lightning
and transients inducedby AC powerlines.
Its high surge current capability makes the
LS50xxBa reliable protection devicefor very ex-
posed equipment,or when series resistors are
verylow.
DESCRIPTION

CCITT K17- K20 10/700 μs 1.5kV
5/310 μs38A
VDE 0433 10/700 μs2 kV
5/200 μs50A
CNET 0.5/700 μs 1.5kV
0.2/310 μs38A
COMPLIESWITHTHEFOLLOWINGSTANDARDS: 5
SCHEMATIC DIAGRAM
Symbol Parameter Value Unit

IPP Peak pulse current 10/1000μs
8/20μs
ITSM Non repetitivesurge peak on-state
current=20 ms 50 A
dI/dt Critical rateof riseof on-statecurrent Non repetitive 100 A/μs
dV/dt Critical rateof riseof off-statevoltage VRM 5 kV/μs
Tstg
Storageand operatingjunction temperature range -40to+ 150
150 Maximumlead temperaturefor solderingduring 10s 230 °C
ABSOLUTE MAXIMUM RATINGS
(Tamb =25°C)
September 1998 Ed:3A 1/5
Symbol Parameter
IRM Leakage currentat stand-offvoltage
VRM Stand-offvoltage
VBR Breakdownvoltage
VBO Breakover voltage Holdingcurrent
IBO Breakover current
IPP Peak pulse current Capacitance
ELECTRICALCHARACTERISTICS
(Tamb =25°C)
Type
IRM @VRM VBR @IR VBO @IBO IH C

max. min. max. typ. min. max.
note1 note2 note3 V V mA V mA mA pF
LS5018B 5 16 17 1 22 1300 200 150
LS5060B 10 50 60 1 85 1000 200 150
LS5120B 20 100 120 1 180 1250 250 150
Note1:
Measured at50Hz(1 cycle)
Note2:
See testcircuit
Note3:
VR= 5V,F= 1MHz.
Symbol Parameter Value Unit

Rth (j-a) Junctionto ambienton printedcircuit with recommended pad
layout °C/W
THERMAL RESISTANCE
LS5018B/LS5060B/LS5120B

2/5
TEST CIRCUIT1 FOR IBO andVBO parameters:
TEST PROCEDURE:

Pulse Test duration(tp= 20ms): For Bidirectional devices= SwitchKis closed For Unidirectionaldevices= SwitchKis open.
VOUTSelection Device with VBO< 200 Volt
-VOUT= 250VRMS,R1= 140Ω. Devicewith VBO ≥ 200 Volt
-VOUT= 480 VRMS,R2= 240Ω.
TEST CIRCUIT2 forIH parameter.

Thisisa GO-NOGO Testwhich allowsto confirm the holdingcurrent (IH) levelina functional
test circuit.
TEST PROCEDURE:
Adjust the currentlevelat theIH valueby short circuiting the AKof the D.U.T. Fire the D.U.T witha surge Current: Ipp= 10A, 10/1000μs. The D.U.T will come back off-state within50 ms max.PBAT=- 48V
Surge generator
D.U.T.
220V
static
relay.
D.U.T V BO
measureI BO
measure= 20ms
Transformer
220V/800V
Auto
Transformer
220V/2A out
LS5018B/LS5060B/LS5120B

3/5
1E-2 1E-1 1E+0 1E+1 1E+2 1E+3
ITSM(A)

F=50Hz initial=25°C
t(s)
Figure1
: Non repetitive surge peak current
versus overload duration
1.08 10203040506070
Figure3
: Relative variationof breakdown voltage
versus ambient temperature. 10 100 20010
LS5018
LS5060
LS5120
Figure4
: Junction capacitance versus reverse
appliedvoltage.
-40 -20 0 20 40 60 80 100 1200.0
IH[Tj] /IH[Tj=25°C]
Tamb (°C)
Figure2
: Relative variationof holding current
versus junction temperature.
ORDER CODE
LS5 018 B

VOLTAGE
LS5018B/LS5060B/LS5120B

4/5
Informationfurnishedis believedtobe accurate andreliable. However,STMicroelectronics assumesnoresponsIbilityfor theconsequencesof
use ofsuch informationnorforany infringementof patentsorother rightsof thirdparties which mayresultfromits use.No licenseis grantedby
implicationor otherwiseunder any patentor patent rightsof STMicroelectronics. Specifications mentionedin this publicationare subjectto
change withoutnotice. This publication supersedesand replacesall information previously supplied.
STMicroelectronics productsarenot authorizedfor useas critical componentsinlife support devicesor systems withoutexpress writtenap-
provalof STMicroelectronics.
TheST logoisa registered trademarkof STMicroelectronics 1998 STMicroelectronics- Printedin Italy-All rights reserved.
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PACKAGE MECHANICAL DATA

DIL8 Plastic
MARKING:
Logo, Date Code,part Number. Packaging:Products suppliedin antistatic tubes.
Weight:
0.59g
REF.
DIMENSIONS
Millimetres Inches
Min. Typ. Max. Min. Typ. Max.
0.70 0.027 1.39 1.65 0.055 0.065 0.91 1.04 0.036 0.041 0.5 0.020 0.38 0.50 0.015 0.020 9.80 0.385 8.8 0.346 2.54 0.100 7.62 0.300 7.1 0.280 4.8 0.189 3.3 0.130 0.44 1.60 0.017 0.063 B1a1
LS5018B/LS5060B/LS5120B

5/5
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