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IMS204-C-2491F

Description
Fixed Resistor, Metal Glaze/thick Film, 4W, 2490ohm, 1100V, 1% +/-Tol, 4418,
CategoryPassive components    The resistor   
File Size146KB,2 Pages
ManufacturerInternational Manufacturing Services Inc
Download Datasheet Parametric View All

IMS204-C-2491F Overview

Fixed Resistor, Metal Glaze/thick Film, 4W, 2490ohm, 1100V, 1% +/-Tol, 4418,

IMS204-C-2491F Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
Objectid262593171
Reach Compliance Codecompliant
ECCN codeEAR99
structureChip
Number of terminals2
Maximum operating temperature155 °C
Package height0.889 mm
Package length11.176 mm
Package formSMT
Package width4.572 mm
method of packingWaffle Pack
Rated power dissipation(P)4 W
resistance2490 Ω
Resistor typeFIXED RESISTOR
seriesIMS-HIGH POWER
size code4418
technologyMETAL GLAZE/THICK FILM
Tolerance1%
Operating Voltage1100 V

IMS204-C-2491F Preview

P WR
O E
High Power Thick Film Chip
Resistors
The
ims
IMS Power line of thick film single side high power chip resistors is
the line to choose when stable performance at elevated power levels is required.
Robust thick film on alumina construction ensures reliability and durability.
Many combinations of termination materials are available to meet the
requirements of all common attachment methods. Sizes from .120” X .240”
to 0.620” X 0.270” are offered. A wide range of values and tolerances is
available.
Terminations
Termination materials:
-1
Au
-3
PtAg
-C
PtAg with 62/36/2 solder
coating
-P
PtAg with 96/4 tin silver solder
coating
Full backplane available as an option.
Features
Thick film technology
Single Side Terminations
for Wirebonding, Solder
Reflow, and Epoxy
Attachment
Platinum Silver, Platinum
Silver with Solder Coating,
Gold Terminations
Resistance values from
0.05Ω to 20 MΩ
Ω
Ω
Tolerances to
±
1 %
Optional Backplane
Resistance Ranges
Resistances from 0.05 ohm to 20 Meg ohms are available in any
increment. Not all values available in all devices and/or all termination
metalizations. Note: IMS026 available in 0.05Ω to 1Ω resistance range
only.
A Word About Thermal Management
Care must be taken when using chip resistors capable of dissipating large
amounts of power. IMS’ power chips can dissipate large amounts of power
for their size. Because of this, thermal management is
critical.
The power
ratings listed for the chip resistors on this data sheet are measured in free
air - no heat sinking was used. Each chip handled the rated power and still
performed within its stated electrical parameters. HOWEVER, in free air at
these power ratings, the resistors can become very hot - in most cases
exceeding the melting point of 60/40 solder. Therefore, heat sinking is
essential. Depending upon the efficiency of the heat sink, rated power may
even be surpassed on these resistors.
50 Schoolhouse Lane
Portsmouth, RI 02871
Tel (401) 683-9700
Fax (401) 683-5571
e-mail: ims@ims-resistors.com
http://www.ims-resistors.com
Dimensions
Part Number
IMS024
IMS026
IMS202
IMS204
IMS206
IMS208
IMS210
Length
0.240
0.120
0.360
0.440
0.520
0.560
0.620
+.008
-.002
+.012
-.008
+.008
-.002
+.008
-.002
+.008
-.002
+.008
-.002
+.008
-.002
Width
0.120
0.240
0.140
0.180
0.220
0.240
0.270
+.008
-.002
+.012
-.008
+.008
-.002
+.008
-.002
+.008
-.002
+.008
-.002
+.008
-.002
Height
0.021 max.
0.035 max.
0.035 max.
0.035 max.
0.035 max.
0.035 max.
0.035 max.
H
W
L
T
Specifications
Part number
IMS024
IMS026
IMS202
IMS204
IMS206
IMS208
IMS210
Rated power (70
o
C)
1W
1W
2W
4W
6W
8W
10 W
WVDC (max)
350
1
800
1100
1400
1500
1800
Tolerances (%)
1, 2, 5, 10
10
1, 2, 5, 10
1, 2, 5, 10
1, 2, 5, 10
1, 2, 5, 10
1, 2, 5, 10
Ordering Information
Ω
Example: 0.240” X 0.120,” gold terminations, 100Ω , 5% tolerance
Example: IMS024 - 1 - 1000 J
024
202
206
210
026
204
208
Tolerance
F - 1% G - 2%
J - 5% K - 10%
Termination
-1 Au
-3 PtAg
-C PtAg w/ 62/36/2 solder
-P PtAg w/ 96/4 solder
IMS Power ver.5 11/08
Resistance value
The first three digits are significant
values. The fourth is the number of
zeroes following. The R indicates a
decimal point when the resistance
value is less than 100Ω.
50 Schoolhouse Lane
Portsmouth, RI 02871
Tel (401) 683-9700
Fax (401) 683-5571
e-mail: ims@ims-resistors.com
http://www.ims-resistors.com
Specifications subject to change without notice.
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