Partial Wraparound Thick Film
Chip Resistors for High
Frequency Applications
The
ims
RCX PW line of partial wrap surface mount chip resistors is ideally suited
for applications requiring high frequency performance from a miniature surface
mounted chip resistor. The “X” designation in each series is a variable that allows
for specifying the termination metalization. Please see the ordering information on
the back for instructions. The device is designed to be mounted face down on the
circuit board or hybrid substrate allowing resistor element placement within the
same plane as the rest of the circuit. This placement minimizes the effects of the
wraparound that would normally be seen in a typical surface mount arrangement.
P
artial
W
raparound
Terminations
Partial wraparound termination
-3
-C
-P
-4
-D
PtAg (Not available in 0302PW)
PtAg with 62/36/2 solder
coating (Not available in 0302PW)
PtAg with 96/4 solder coating
(Not available in 0302PW)
PtAu (0302PW & 0402PW only)
PtAu with 62/36/2 solder
coating (0302PW Only)
Frequency Response of
50 Resistors from
2 GHz to 26.5 GHz
100
Features
Thick film technology
Partial Wraparound
Platinum Silver, Platinum
Silver with Solder Coating,
Platinum Gold with Solder
Coating
Resistance values from
10
to 2K
Tolerances to
±
1 %
±
TCR to ± 100 ppm/
C
o
Resistance, Ohms
Two frequency response curves of
the RCC-0502PW are included here
to illustrate the flatness of the
response of IMS’ Partial Wrap
devices. Measurements were taken
at 50 and 130 covering the span
that these devices are usually
specified within.
90
80
70
60
50
40
30
20
10
Frequency Response of
130 Resistors from
2 GHz to 26.5 GHz
0
5
10
15
20
Frequency GHz
25
30
250
225
200
Resistance, Ohms
Usable to beyond 40 GHz
(size dependent)
175
150
125
100
75
50
25
0
5
10
15
20
Frequency GHz
25
30
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
The response does not change
appreciably at different resistance
values. Similar response can be
expected from other size resistors
within the PW series and within the
resistance range for the respective
size.
Dimensions
Part Number
RCX-0302PW
RCX-0402PW
RCX-0502PW
RCX-0603PW
RCX-0805PW
Length
Width
Height
0.020 max.
0.020 max.
0.020 max.
0.020 max.
0.020 max.
Terminal
W
0.030 ± .005 0.020 ± .003
0.040 ± .005 0.020 ± .005
0.050 ± .005 0.020 ± .005
0.060 ± .005 0.030 ± .005
0.080 ± .005 0.050 ± .005
0.004 min.
0.005 min.
0.009 min.
0.009 min.
0.015 min.
T
H
L
Specifications
RCX-0302PW RCX-0402PW RCX-0502PW RCX-0603PW RCX-0805PW
Operating temp
Rated Power
(@70
o
C)
Max working volts
Resistance range*
Tolerance
TCR (ppm/
o
C)
Frequency range**
-55 to 150
o
C -55 to 150
o
C -55 to 150
o
C -55 to 150
o
C -55 to 150
o
C
63 mW
80 mW
100 mW
100 mW
175 mW
50VDC
10Ω to 2KΩ
±5%
50VDC
10Ω to 2KΩ
50VDC
10Ω to 2KΩ
50VDC
10Ω to 2KΩ
150 VDC
10Ω to 2KΩ
±5%,
2%, 1%
±5%,
2%, 1%
±5%,
2%, 1%
±5%,
2%, 1%
±
100
≤
40 GHz
±
100
≤
36 GHz
±
100
≤
26.5 GHz
±
100
≤
15 GHz
±
100
≤
8 GHz
* Other values available. Please contact factory.
** Frequency range in an impedance matched system.
Ordering Information
Example: 100Ω , 5%, 100mW, 0502 partial wrap resistor
Ω
RCC - 0502PW1000 J
RC3
RCC
RCP
RCD*, RC4
†
*0302PW only.
†0302PW & 0402PW
only.
Form factor
0302PW
0502PW
0805PW
0402PW
0603PW
Tolerance
F - 1%
G - 2%
J - 5%
Resistance value
The first three digits are
significant values. The fourth is
the number of zeroes following.
The R indicates a decimal point
for resistance values below
100Ω.
Indicates RoHS compliant part
PW ver.7 04/11 Specifications subject to change without notice.
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
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