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231211334483

Description
RESISTOR, THIN FILM, 0.25 W, 0.1 %, 5 ppm, 44800 ohm, SURFACE MOUNT, MELF, GREEN
CategoryPassive components    The resistor   
File Size109KB,8 Pages
ManufacturerVishay
Websitehttp://www.vishay.com
Environmental Compliance
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231211334483 Overview

RESISTOR, THIN FILM, 0.25 W, 0.1 %, 5 ppm, 44800 ohm, SURFACE MOUNT, MELF, GREEN

231211334483 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
package instruction,
Reach Compliance Codeunknow
ECCN codeEAR99
Other featuresULTRA PRECISION, LASER TRIMMABLE
JESD-609 codee3
Manufacturer's serial numberUMA0204
Installation featuresSURFACE MOUNT
Number of terminals2
Maximum operating temperature125 °C
Minimum operating temperature-55 °C
Package shapeCYLINDRICAL PACKAGE
method of packingTR, BLISTER
Rated power dissipation(P)0.25 W
Rated temperature70 °C
resistance44800 Ω
Resistor typeFIXED RESISTOR
surface mountYES
technologyTHIN FILM
Temperature Coefficient5 ppm/°C
Terminal surfaceMatte Tin (Sn)
Terminal shapeWRAPAROUND
Tolerance0.1%
Operating Voltage200 V
Base Number Matches1
UMA 0204
Vishay Beyschlag
Ultra Precision MELF Resistor
FEATURES
Most advanced thin film technology
T.C.R. down to ± 5 ppm/K
Ultra precision tolerance down to 0.02 %
Superior overall stability
Green product, supports lead-free soldering
Approved according to EN 140401-803.
APPLICATIONS
UMA 0204 ultra precision thin film MINI-MELF resistors
combine the proven reliability of professional MELF products
with a most advanced level of precision and stability first
achieved with axial thin film ultra precision resistors. This
unique combination makes the product perfectly suited for all
applications with outstanding requirements towards reliable
precision and stability.
Measuring and calibration equipment
Industrial process control systems
Space and aircraft electronics
METRIC SIZE
DIN:
CECC:
0204
RC 3715M
TECHNICAL SPECIFICATIONS
DESCRIPTION
Metric CECC size
Resistance range
Resistance tolerance
Temperature coefficient
Operation mode
Climatic category (LCT/UCT/days)
Rated dissipation,
P
70(1)
Operating voltage,
U
max
AC/DC
Film temperature
Max. resistance change at
P
70
for resistance range,
R
/
R
max., after:
1000 h
8000 h
225000 h
Specified lifetime
Permissible voltage against ambient (insulation):
1 minute;
U
ins
continuous
Failure rate
Note
1. The power dissipation on the resistor generates a temperature rise against the local ambient, depending on the heatflow support of the
printed-circuit board (thermal resistance). The rated dissipation applies only if the permitted film temperature is not exceeded.
300 V
75 V
0.7
×
10
-9
/h
0.02 %
0.05 %
0.15 %
225000 h
0.05 %
0.1 %
0.3 %
22
to 332 k
85
˚
C
UMA 0204
RC 3715M
22
to 332 k
± 0.25 %; ± 0.1 %; ± 0.05 %; ± 0.02 %
± 15 ppm/K; ± 10 ppm/K; ± 05 ppm/K
precision
10/85/56
0.07 W
200 V
125
˚
C
standard
55/125/56
0.25 W
Document Number: 28715
Revision: 25-Feb-04
for technical questions contact: ff3bresistors@vishay.com
www.vishay.com
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