Sales and Corporate Office
1717 Chicago Avenue
Riverside, California 92507-2364
Phone: (951) 788-1700
Fax: (951) 369-1151
Applications Engineering
17271 North Umpqua Hwy.
Roseburg, Oregon 97470-9422
Phone: (541) 496-0700
Fax: (541) 496-0408
e-mail: caddock@caddock.com • web: www.caddock.com
For Caddock Distributors listed by country see caddock.com/contact/dist.html
© 2004 Caddock Electronics, Inc.
CAD
K
DOC
.580 ±.020
(14.73 ±.51)
1.150 ±.020
(29.21 ±.51)
.025 ±.002
(.64 ±.05) DIA.
Tinned Copper
PIN 1
.250 ±.050
(6.35 ±1.27)
.400 (10.16)
.700 (17.78)
.900 (22.86)
1.000 (25.40)
.200 (5.08)
.090
(2.29)
MAX.
900Ω 90Ω
1
2
3
9Ω
1Ω
4
5
6
RD
RC
RB
RA
CADDOCK
MODEL 1787-412
0422
.075
(1.91)
DIMENSIONS IN INCHES AND (MILLIMETERS)
.580 ±.020
(14.73 ±.51)
1.150 ±.020
(29.21 ±.51)
.025 ±.002
(.64 ±.05) DIA.
Tinned Copper
PIN 1
.250 ±.050
(6.35 ±1.27)
.400 (10.16)
.700 (17.78)
.900 (22.86)
1.000 (25.40)
.200 (5.08)
.090
(2.29)
MAX.
0.1Ω
Model Nos. 1787-31 and 1787-312
are normally to be used in series
with a customer purchased 0.1Ω
wirewound resistor with Kelvin
terminations.
Correct installation and accurate
measurement of the networks'
characteristics requires that
Pins 5 and 6 be shorted within
.100" (2.54 mm) of the body of the
network. All measurements must
be made at this point.
*
900Ω 90Ω
1
2
3
9Ω 0.9Ω
4
5
6
RD
RC
RB
RA
CADDOCK
MODEL 1787-312
0421
.075
(1.91)
.580 ±.020
(14.73 ±.51)
.850 ±.020
(21.59 ±.51)
900Ω
1
2
90Ω 9Ω
3
4
RC
RB
RA
.025 ±.002
(.64 ±.05) DIA.
Tinned Copper
PIN 1
.250 ±.050
(6.35 ±1.27)
.400 (10.16)
.700 (17.78)
.200 (5.08)
.090
(2.29)
MAX.
CADDOCK
MODEL 1787-5
0406
.075
(1.91)
.580 ±.020
(14.73 ±.51)
900Ω
1
2
90Ω 10Ω
3
4
RC
RB
RA
.025 ±.002
(.64 ±.05) DIA.
Tinned Copper
PIN 1
.250 ±.050
(6.35 ±1.27)
.400 (10.16)
.700 (17.78)
.200 (5.08)
.090
(2.29)
MAX.
CADDOCK
MODEL 1787-6
0421
.075
(1.91)
.850 ±.020
(21.59 ±.51)
.580 ±.020
(14.73 ±.51)
1.000 ±.020
(25.40 ±.51)
.025 ±.002
(.64 ±.05) DIA.
Tinned Copper
PIN 1
.250 ±.050
(6.35 ±1.27)
.500 (12.70)
.700 (17.78)
.800 (20.32)
.200 (5.08)
.090
(2.29)
MAX.
*
90Ω
1
2
9Ω 0.9Ω
3
4
5
RC
RB
RA
CADDOCK
MODEL 1787-132
0405
.100
(2.54)
0.1Ω
Model Nos. 1787-13 and 1787-132
are normally to be used in series
with a customer purchased 0.1Ω
wirewound resistor with Kelvin
terminations.
Correct installation and accurate
measurement of the networks'
characteristics requires that
Pins 4 and 5 be shorted within
.100" (2.54 mm) of the body of the
network. All measurements must
be made at this point.
Resistances
"R"
Total
Value
Sense
Lead
P1
Kelvin Connections
Current
Lead
C1
Current
Lead
C2
Sense
Lead
P2
RA
99.9 Ω
Pin 1
Pin 1
Pin 4
*
Pin 5
*
RB
9.9 Ω
Pin 1
Pin 2
Pin 4
*
Pin 5
*
RC
0.9 Ω
Pin 1
Pin 3
Pin 4
*
Pin 5
*
Resistances
"R"
Total
Value
RA
1,000 Ω
RB
100 Ω
RC
10 Ω
Resistances
"R"
Total
Value
RA
999 Ω
RB
99 Ω
RC
9 Ω
Resistances
"R"
Total
Value
Sense
Lead
P1
Kelvin Connections
Current
Lead
C1
Current
Lead
C2
Sense
Lead
P2
RA
1,000 Ω
Pin 1
Pin 1
Pin 5
Pin 6
RB
100 Ω
Pin 1
Pin 2
Pin 5
Pin 6
RC
10 Ω
Pin 1
Pin 3
Pin 5
Pin 6
RD
1 Ω
Pin 1
Pin 4
Pin 5
Pin 6
Resistances
"R"
Total
Value
Sense
Lead
P1
Kelvin Connections
Current
Lead
C1
Current
Lead
C2
Sense
Lead
P2
RA
999.9 Ω
Pin 1
Pin 1
Pin 5
*
Pin 6
*
RB
99.9 Ω
Pin 1
Pin 2
Pin 5
*
Pin 6
*
RC
9.9 Ω
Pin 1
Pin 3
Pin 5
*
Pin 6
*
RD
0.9 Ω
Pin 1
Pin 4
Pin 5
*
Pin 6
*
Figure 1 - Model Nos. 1787-31 and 1787-312
Model Nos. 1787-31 and 1787-312 Measurement Connections
Model Nos. 1787-41 and 1787-412 Measurement Connections
Figure 2 - Model Nos. 1787-41 and 1787-412
Figure 3 - Model Nos. 1787-5,
1787-53, and 1787-535
Figure 4 - Model Nos. 1787-6,
1787-64, and 1787-645
Figure 5 - Model Nos. 1787-13 and 1787-132
Model Nos. 1787-13 and 1787-132 Measurement Connections
Type 1787 Current Sense Resistor Networks
Page 2 of 2
28_IL119.1004
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