RAC Series — Concave Termination Chip Resistor Array
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)
@ 70°C
0.063W
0.125W
0.063W
0.063W
0.063W
Maximum
Working
Voltage*
50V
75V
25V
50V
50V
Maximum
Overload
Voltage
100V
150V
50V
100V
100V
Resistance Temperature
Coefficient
±200 ppm/°C
±200 ppm/°C
±200 ppm/°C
±200 ppm/°C
±200 ppm/°C
Ohmic Range and Tolerance
1%
22Ω – 1MΩ
22Ω – 1MΩ
–
–
–
5%
10Ω – 1MΩ
10Ω – 1MΩ
22Ω – 1MΩ
22Ω – 1MΩ
22Ω – 1MΩ
* Lesser of
√PR
or maximum working voltage.
Schematics
Isolated Circuit - D
Bussed Circuit - M
Bussed Circuit - N
Bussed Circuit - R
How to Order
RAC
SEI Type
16
Code
4
# of Elements
D
Circuit Type
10K
Nominal Resistance
5%
Tolerance
R
Packaging
SEI Type Description
RAC
RACF
Standard
RoHS
Code
16
32
40
64
Elements
4
8
Circuit Type
D = Isolated
M = Bussed
N = Bussed
R = Bussed
Tolerance Values
1%
2%
5%
E24
E24
E24
SEI Types
16
32, 40, 64
Pkg Qty
5,000
4,000
Description
Paper
Emboss
Code
R
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
21
email: marketing@seielect.com
Rev 02/07
RAC Series — Concave Termination Chip Resistor Array
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
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 ± 0.004
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
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 ± 0.006
0.40 ± 0.15
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
inches
mm
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
–
RAC 32-4D
–
0.012 ± 0.008
0.30 ± 0.20
–
RAC 40-8M
RAC 64-8N
RAC 64-8R
–
Performance Characteristics
Test
Load Life in Moisture
Temperature Cycle
Load Life
Resistance to Soldering Heat
Terminal Adhesion
Short Time Overload
Operating Range
Test Results (JIS C 5202)
±3%
±1%
±3%
±1%
±1%
±2%
-55°C to +150°C
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
22
email: marketing@seielect.com
Rev 02/07
DSP 与 ARM 处理器
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