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VR25000001504JN400 中文资料
VR25
Vishay BCcomponents
High Ohmic/High Voltage Resistors
FEATURES
????
High pulse loading capabilitySmall size
Lead (Pb)-free solder contacts
Pure tin plating provides compatibility with lead (Pb)-freeand lead containing
soldering processes
?Compatible with "Restriction of the use of HazardousSubstances" (RoHS) directive
2002/95/EC (issue 2004)
APPLICATIONS
?Where high resistance, high stability and high reliability at high voltage are
required?High humidity environment?White goods?
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Power supplies
A metal glazed film is deposited on a high grade ceramic body.After a helical groove
has been cut in the resistive layer, tinnedelectrolytic copper wires are welded to
the end-caps. Theresistors are coated with a light blue lacquer which provides
electrical, mechanical, and climatic protection.
The
encapsulation
is
resistant
to
all
cleaning
solvents
inaccordance
withhttp://www.1mpi.com/doc/ab33e65df855fd63b02fc78a “MIL-STD202E, method215”
and“IEC60068-2-45”.
TECHNICAL SPECIFICATIONS
DESCRIPTIONResistance tolerance and series:100k? to15M?15M? to22M?
ambThermal resistance, RthMaximum permissible voltage:DCRMS
Basic specifications
Climatic category (IEC 60068)Stability after:
load (1000hours)
accelerated damp heat test (6days)long term damp heat test (56days)Note
1.Ohmic values (other than resistance range) are available on request.
VALUE ± 1 %: E24/E96 series; ± 5 %: E24series± 5 %: E24series; ± 10 %: E12series
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140K/W≤ ± 200×10/K
1600V1150VIEC 60115-1B55/155/56?R/R max.:± 1.5 % 0.1??R/R max.:± 1.5 % 0.1??R/R
max.:± 1.5 % 0.1?
12NC INFORMATION
?The resistors have a 12-digit numeric code starting with2322241
?The subsequent:
firstdigit for 1 % tolerance products (E24 and E96 series) or 2digits for 5
%(E24series)and
10
http://www.1mpi.com/doc/ab33e65df855fd63b02fc78a%
(E12series)indicate the resistor type and packing.
?The remaining digits indicate the resistance value:
–The first 3digits for 1 % or 2digits for 5and 10 %tolerance products indicate the
resistance value.–The last digit indicates the resistance decade.
www.vishay.com168
Last Digit of 12NC Indicating Resistance Decade
RESISTANCE DECADE
100to976k?1to9.76M?≥ 10M?
LAST DIGIT
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456
12NC Example
The 12NC for a VR25, resistor value 7.5M?,5 % tolerance,supplied on a bandolier of
1000 units in ammopack, is:232224113755.
Document Number: 28732
Revision: 06-Dec-05
VR25
High Ohmic/High Voltage Resistors
Vishay BCcomponents
12NC - resistor type and packing
ORDERING CODE2322241.....
BANDOLIER IN AMMOPACK
TYPE
TOL.(%)
RADIAL TAPED
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4000 units
± 1
://www.1mpi.com/doc/ab33e65df855fd63b02fc78aparVR25
± 5± 10
0....36...-52 mm1000 units8....13...12...
STRAIGHT LEADS26 mm2000 units-43...42...
52 mm5000 units7....53...52...
52 mm5000 units6....23...22...BANDOLIERON REEL
PART NUMBER
PART NUMBER: VR25000001503JA100
V
MODEL/SIZEVR25000
R25000001503JA100
SPECIALThe 2 digits are used for all special parts.00 = standard
SPECIAL CHARACTER0 = neutralZ = value overflow
(Special)
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TC/MATERIAL0 = standard
VALUE3 digit value1 digit multiplierMultiplier:3 = *1034 = *1045 = *105
TOLERANCEF = ± 1 %J = ± 5 %K = ± 10 %
PACKING1)
A5A2A1R5N4
PRODUCT DESCRIPTION: VR25 5 % A1 150K
VR25MODEL/SIZE
VR25
5 %TOLERANCE
± 1 %± 5 %± 10 %
A1PACKING1)
A1A5
150K
RESISTANCE VALUE
47K = 47 K?50R1 = 50.1 ?
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1http://www.1mpi.com/doc/ab33e65df855fd63b02fc78a) Please refer to table PACKING.
Note
Products can be ordererd using either the 12NC or the PART NUMBER. The PART NUMBER
is shown to facilitate the introduction of a unifiedpart numbering system. Currently,
this PART NUMBER is applicable in the Americas only.
PACKING
CODEA5A2A1R5N4
PIECES50002000100050004000
DESCRIPTION
Bandolier in ammopack straight leads 52 mmBandolier in ammopack straight leads 26
mmBandolier in ammopack straight leads 52 mmBandolier on reel straight leads 52
mmBandolier in ammopack radial taped
VR25MODEL/SIZE
Document Number: 28732Revision: 06-Dec-05
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169
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VR25
Vishay BCcomponents
DIMENSIONS
High Ohmic/High Voltage Resistors
Outline
DIMENSIONS - resistor type and relevant physical dimensions
TYPEVR25
? DMAX.2.5
L1MAX.http://www.1mpi.com/doc/ab33e65df855fd63b02fc78a6.5
L2MAX.7.5
? d0.58± 0.05
MASS PER 100 UNITS
TYPEVR25 52 mmVR25 26 mm
MASS(g)21.214.8
Yellow and grey are used instead of gold and silver becausemetal particles in the
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lacquer could affect high-voltageproperties.
OUTLINES
The length of the body (L1) is measured by inserting theleads into holes of two
identical gauge plates and movingthese plates parallel to each other until the
resistor body isclamped without deformation (“IECpublication60294”)
.
MARKING
The nominal resistance and tolerance are marked on theresistor using four or five
colored bands in accordance withIECpublication60062 “Color codes for fixed
resistors”.
FUNCTIONAL PERFORMANCEPRODUCT CHARACTERIZATION
Standard values of nominal resistance are taken from the E96/E24/E12 series for
resistors with a tolerance of ± 1 %, 5 % or10 %. The values of the
E96/E24/E12http://www.1mpi.com/doc/ab33e65df855fd63b02fc78a
accordance with “IECpublication60063”.
LIMITING VALUES
TYPE
DC
VR25
series
are
in
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Note
1.The maximum voltage that may be continuously applied to the resistor element, see
“IECpublication 60115-1”.The maximum permissible hot-spot temperature is 155°C.
1600
LIMITING VOLTAGE1)
(V)
RMS1150
LIMITING POWER
(W)
0.25
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Document Number: 28732
Revision: 06-Dec-05
VR25
High Ohmic/High Voltage Resistors
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Vishay BCcomponents
The power that the resistor can dissipate depends on the operating temperature.
Maximum dissipation (Pmax) in percentage of rated power
as a function of the ambient temperature (Tamb)
Maximum allowed peak pulse voltage in accordance with “IEC60065 chapter 14.1”;
50discharges
from
a
1nF
capacitor
charged
to
max;
http://www.1mpi.com/doc/ab33e65df855fd63b02fc78a12discharges/minute (drift ?R/R≤
2 %)
Derating
Pulse Loading Capability
Hot-spot temperature rise (?T) as a function of dissipated power
Temperature rise (?T) at the lead end (soldering point) as a function
of dissipated power at various lead lengths after mounting
Application Information
Document Number: 28732Revision: 06-Dec-05
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171
VR25
Vishay BCcomponents
TESTS AND REQUIREMENTS
Essentially all tests are carried out in accordance with theschedule of
“IECpublication 60115-1”, categoryLCT/UCT/56 (rated temperature range: Lower
CategoryTemperature, Upper Category Temperature; damp heat,long term, 56days). The
testing also covers therequirements specified by EIA and EIAJ.
The tests are carried out in accordance with IECpublication60068-2, “Recommended
basic
climatic
mechanicalrohttp://www.1mpi.com/doc/ab33e65df855fd63b02fc78abustness
and
testing
procedure for electronic components” andunder standard atmospheric conditions
according to“IEC60068-1”, subclause 5.3.
In the Test Procedures and Requirements table the tests andrequirements are listed
with reference to the relevant clausesof “IECpublications60115-1and60068-2”; a
shortdescription of the test procedure is also given. In someinstances deviations
from the IECrecommendations werenecessary for our method of specifying.
All soldering tests are performed with mildly activated flux.
High Ohmic/High Voltage Resistors
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TEST PROCEDURES AND REQUIREMENTS
IEC 60115-1 CLAUSE4.164.16.24.16.34.16.44.174.184.194.204.22
IEC 60068-2 TEST METHOD21 (U)21 (Ua1)21 (Ub)21 (Uc)20 (Ta)20 (Tb)14 (Na)29 (Eb)6 (Fc)
TEST
robustness of terminations:tensile all samplesbending half number of samplestorsion
other
half
of
samplessolderabilityresistance
to
soldering
heat://www.1mpi.com/doc/ab33e65df855fd63b02fc78apar
rapid change of temperaturebumpvibration
2s; 235°C
thermal shock: 3s; 350°C;
3mm from body30minutes at - 55°C and30minutes at
155°C; 5cycles3×1500 bumps in
3directions; 40gfrequency 10to500Hz; displacement 1.5mm or acceleration 10g;
3directions;
total 6hours (3×2hours)
no damage
?R/R max.:± 0.5 % 0.05?
no damage
?R/R max.:± 0.5 % 0.05??R/R max.:± 0.5 % 0.05?
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3×360° in opposite directions
no damage
?R/R max.:± 0.5 % 0.05?good tinning; no damage?R/R max.:± 0.5 % 0.05?
? 0.6mm; load 10N;10s? 0.6mm; load 5N;4×90°
number of failures
PROCEDURE
REQUIREMENTS
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Document Number: 28732
Revision: 06-Dec-05
VR25
High Ohmic/High Voltage Resistors
Vishay BCcomponents
TEST PROCEDURES AND REQUIREMENTS
IEC
60115-1
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CLAUSE4.234http://www.1mpi.com/doc/ab33e65df855fd63b02fc78a.23.24.23.34.23.44.23
.54.23.64.24.2
2 (Ba)30 (Db)1 (Aa)13 (M)30 (Db)3 (Ca)IEC 60068-2 TEST METHOD
TEST
climatic sequence:dry heat
damp heat (accelerated) 1st cyclecold
low air pressure
damp heat (accelerated) remaining cyclesdamp heat (steady state)
16hours;155°C
24hours;55°C; 90to100 %RH
2hours;- 55°C2hours; 8.5kPa; 15to35°C5days; 55°C; 95to100 %RH56days; 40°C;
90to95 %RH;
dissipation 0.01Pn; limiting voltage 100V (DC)1000hours at 70°C; Pn or Vmaxbetween
- 55°C and
155°C
(TC×10-6/K)700V (RMS) during 1minute; V-block
method
“IEC publication 60195”500V (DC) during 1minute; V-block
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methodroom temperature;
dissipation 6.25×Pn (voltage not more than 2×limiting voltage); 10cycles;
5s on and 45s offsteps of: 5/10/16/25/40 ×Pn (RMS)
duration 5minutes
Rinsmin.:103M?
?R/R
max.:http://www.1mpi.com/doc/ab33e65df855fd63b02fc78a±
1.5
%
max.:± 1.5 % 0.1?
PROCEDURE
REQUIREMENTS
4.25.14.8.44.74.124.6.1.14.13
endurance
temperature coefficientvoltage proof on insulationnoise
insulation resistanceshort time overload
?R/R max.:± 1.5 % 0.1?
≤ ± 200no breakdownmax.5 ?V/VRinsmin.:104M??R/R max.:± 2.0 % 0.05?
0.1??R/R
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4.26
active flammability “Cheese-cloth test”
no flaming of gauze cylinder
OTHER TEST IN ACCORDANCE WITH IEC606952.2
passive flammability “Needle-flame test”
application of test flame for 20s
no ignition of product;no ignition of under-layer;burning time less than 30s
Document Number: 28732Revision: 06-Dec-05
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173
Legal Disclaimer Notice
Vishay
Notice
Specifications of the products displayed herein are subject to change without notice.
Vishahttp://www.1mpi.com/doc/ab33e65df855fd63b02fc78ay Intertechnology, Inc.,or
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anyone on its behalf, assumes no responsibility or liability for any errors or
inaccuracies.
Information contained herein is intended to provide a product description only. No
license, express or implied, byestoppel or otherwise, to any intellectual property
rights is granted by this document. Except as provided in Vishay'sterms and conditions
of sale for such products, Vishay assumes no liability whatsoever, and disclaims any
expressor implied warranty, relating to sale and/or use of Vishay products including
liability or warranties relating to fitnessfor a particular purpose, merchantability,
or infringement of any patent, copyright, or other intellectual property right.The
products shown herein are not designed for use in medical, life-saving, or
life-sustaining applications.Customers using or selling these products for use in
such
applications
do
so
at
their
own
risk
and
agree
to
fullyindemnify
Vishhttp://www.1mpi.com/doc/ab33e65df855fd63b02fc78aay for any damages resulting
from such improper use or sale.
Document Number: 91000Revision: 08-Apr-05
www.vishay.com
1
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