RAC Series
Concave Termination Chip Resistor Array
Stackpole Electronics, Inc.
Resistive Product Solutions
Features:
•
•
•
•
•
•
Thick film resistor element
Zero ohm available
Auto-placement capability
Multiple circuit types available
Ideal SMD substitute for leaded networks
RoHS compliant / lead-free available (RACF)
Electrical Specifications
Type / Code /
# of Elements /
Circuit Type
RAC 16-4D
RAC 32-4D
RAC 40-8M
RAC 64-8N
RAC 64-8R
Power Rating
(per element)
@ 70ºC
0.063W
0.125W
0.063W
0.063W
0.063W
Maximum
1
Working Voltage
50V
200V
25V
50V
50V
Maximum
Overload
Voltage
100V
400V
50V
100V
100V
Resistance
Temperature
Coefficient
±200 ppm/ºC
±200 ppm/ºC
±200 ppm/ºC
±200 ppm/ºC
±200 ppm/ºC
Ohmic Range and Tolerance
1%
1Ω - 1MΩ
22Ω - 1MΩ
-
-
-
2%
1Ω - 10MΩ
-
-
-
-
5%
1Ω - 10MΩ
10Ω - 1MΩ
22Ω - 1MΩ
22Ω - 1MΩ
22Ω - 1MΩ
1
Lesser of
√PR
or maximum working voltage.
Schematics
Isolated Circuit - D
Bussed Circuit - M
Bussed Circuit - N
Bussed Circuit - R
How to Order
SEI Type
Code
Number of
Elements
Circuit Type
Nominal
Resistance
Tolerance
Packaging
RAC
Type Description
RAC
Standard
RACF
RoHS
16
Code
16
32
40
64
4
Elements
4
8
D
Circuit Type
D = Isolated
M = Bussed
N = Bussed
R = Bussed
10K
5%
Tolerance
1%
2%
5%
Values
E24
E24
E24
SEI Types
16
32, 40, 64
R
Pkg Qty
5,000
4,000
Description Code
Paper
R
Emboss
R
Rev Date: 10/21/2009
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
31
www.seielect.com
marketing@seielect.com
RAC Series
Concave Termination Chip Resistor Array
Stackpole Electronics, Inc.
Resistive Product Solutions
4 Resistors / 8 Terminations (D)
8 Resistors / 10 Terminations (N/R)
8 Resistors / 10 Terminations (M)
Mechanical Specifications
Type / Code /
# of Elements /
Circuit Type
RAC 16-4D
RAC 32-4D
RAC 40-8M
RAC 64-8N
RAC 64-8R
L
Body Length
0.126 ± 0.008
3.20 ± 0.20
0.200 ± 0.008
5.08 ± 0.20
0.157 ± 0.008
4.00 ± 0.20
0.252 ± 0.008
6.40 ± 0.20
0.252 ± 0.008
6.40 ± 0.20
W
Body Width
0.063 ± 0.006
1.60 ± 0.15
0.118 ± 0.008
3.00 ± 0.20
0.083 ± 0.008
2.10 ± 0.20
0.122 ± 0.008
3.10 ± 0.20
0.122 ± 0.008
3.10 ± 0.20
H
Body Height
0.024 ± 0.006
0.60 ± 0.15
0.024 ± 0.004
0.60 ± 0.10
0.024 ± 0.004
0.60 ± 0.10
0.024 ± 0.004
0.60 ± 0.10
0.024 ± 0.004
0.60 ± 0.10
P
Element Spacing
0.031
0.80
0.050
1.27
0.031
0.80
0.050
1.27
0.050
1.27
Q
Termination Width
0.016 ± 0.008
0.40 ± 0.2
0.031 ± 0.004
0.80 ± 0.10
0.020 ± 0.008
0.50 ± 0.20
0.028 ± 0.008
0.70 ± 0.20
0.028 ± 0.008
0.70 ± 0.20
D
Bottom Termination
0.016 ± 0.008
0.40 ± 0.20
0.020 ± 0.008
0.50 ± 0.20
0.016 ± 0.008
0.40 ± 0.20
0.020 ± 0.008
0.50 ± 0.20
0.020 ± 0.008
0.50 ± 0.20
A
Top Termination
0.012 ± 0.008
0.30 ± 0.20
0.022 ± 0.008
0.55 ± 0.20
0.010 ± 0.008
0.25 ± 0.20
0.014 ± 0.006
0.35 ± 0.15
0.014 ± 0.006
0.35 ± 0.15
E
End Termination
-
-
0.012 ± 0.008
0.30 ± 0.20
-
-
Units
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
Performance Characteristics
Test
Load Life in Moisture
Temperature cycle
Load Life
Resistance to Soldering heat
Terminal Adhesion
Short Time Overload
Test Results (JIS C 5202)
±3%
±1%
±3%
±1%
±1%
±2%
Power Derating Curve
% Rated Power
120
100
80
60
40
20
0
-55
0
70
125
155
Ambient Temperature (deg. C)
125
-55
0
70
RAC164D
RAC324D, RAC408M,
RAC648N, RAC648R
Rev Date: 10/21/2009
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
32
www.seielect.com
marketing@seielect.com
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