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F43D3907G250BLK

Description
Fixed Resistor, Metal Glaze/thick Film, 0.7W, 3900000000ohm, 4000V, 2% +/-Tol, -250,250ppm/Cel
CategoryPassive components    The resistor   
File Size222KB,3 Pages
ManufacturerTT Electronics plc
Websitehttp://www.ttelectronics.com/
Environmental Compliance
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F43D3907G250BLK Overview

Fixed Resistor, Metal Glaze/thick Film, 0.7W, 3900000000ohm, 4000V, 2% +/-Tol, -250,250ppm/Cel

F43D3907G250BLK Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerTT Electronics plc
Reach Compliance Codecompliant
ECCN codeEAR99
structureTubular
Lead diameter0.8 mm
Lead length32 mm
Number of terminals2
Maximum operating temperature100 °C
Minimum operating temperature-55 °C
Package diameter8.4 mm
Package length25.4 mm
Package shapeCYLINDRICAL PACKAGE
Package formAxial
method of packingBox
Rated power dissipation(P)0.7 W
resistance3900000000 Ω
Resistor typeFIXED RESISTOR
technologyMETAL GLAZE/THICK FILM
Temperature Coefficient-250,250 ppm/°C
Tolerance2%
Operating Voltage4000 V
Base Number Matches1
High Voltage Thick Film
Resistor
F Series
Termination variants
Wide resistance range
Good resistance stability
Working voltage up to 28KV
Sets available with matched characteristics
Good ratio matching over wide voltage range
Series connection of resistors by screw terminals
½½½½½½½½½½½½½½½½½½
½½½½½½½½½½½½½½½½½½½½½
½½½½½½½½½½
½½½½½½½½½½
½½½½½½½½½½½½½½½½½½½½
Electrical Data
IRC
Type
Power
Rating @
20°C
(watts)
Resistance
Range
(ohms)
Limiting
Element
Voltage
(volts)
In Air
2M to 100G
2M to 150G
4K
14K
In Oil
8K
28K
TCR
(±ppm/°C)
(values>1G:
TCR is 250ppm/°C)
Resistance
Tolerance (%)
(measured at 100
volts dc)
Values
(any value to
special order)
Thermal
Impedance
(°C/watt)
Operating
Temperature
Range (°C)
F43
F44
0.7
1.3
-2000
-2000
2, 5, 10
2, 5, 10
EIA 2%
values
preferred
44
33
-55 to 100
-55 to 100
CONSTRUCTION:
The Cermatox
®
sintered oxide based resistive thick film is fired
onto the surface of a high quality ceramic onto which turned
brass end caps are pressed. A helical cut is made into the film
to adjust its ohmic value and finally a sleeve is fitted to provide
mechanical protection and electrical insulation. Resistors for use
in oil or SF
6
can be supplied with a lacquer protection instead
of the sleeve.
TERMINATIONS:
Three styles of termination are available to permit resistors to
be screwed together in a series chain, with the end members
having axial wires for soldering.
Wire Terminations:
Styles D and KU. See illustration.
Material:
Solder-coated copper wire.
Screw Terminations:
Styles D and KU. See illustration.
Material:
Turned brass.
Screw Thread:
All caps are tapped UNF-10 x 4.2 deep. UNF-
10 is 32 TPI, 60° thread angle 4.72±0.07 mm outside diameter,
3.83 mm core diameter.
Coupling Stud:
All KU & TU resistors are supplied with 8 mm
long screwed brass studs.
MARKING:
Type reference, resistance value, tolerance and data code are
legend marked.
SOLVENT RESISTANCE:
The lacquer and protective sleeve provide excellent resistance
to all normal industrial cleaning solvents suitable for printed
circuits.
General Note
IRC reserves the right to make changes in product specification without notice or liability.
All information is subject to IRC’s own data and is considered accurate at time of going to print.
Wire and Film Technologies Division
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
A subsidiary of
TT electronics plc
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