Type 1776 Precision Decade Resistor Voltage Dividers
Page 1 of 2
Input Voltage Dividers for Digital Multimeters and Range-Switching Instruments
Introducing New Smaller Models at Lower Cost
The exceptional performance of this extensive family of
There are now 39 standard models in the expanded
Type 1776 Precision Decade Resistor Voltage Dividers has
family of Type 1776 precision resistor networks that include:
been achieved through the special
•
3, 4, and 5 - decade voltage
combination of advantages
dividers with ratios from 10:1 to
V
provided by Caddock's Tetrinox
®
9M
10,000:1.
V
resistance films. This advanced
=V
1
10
900K
V
film resistor technology provides
•
1,200 volts continuous ratings
=V
2
100
90K
the performance characteristics
and overvoltage to 2,000 volts.
V
=V
3
1,000
required by the precision input
9K
V
•
Many combinations of Ratio and
=V
4
signal circuits of both bench-type
10,000
1K
Absolute Tolerance, and Ratio
and laboratory digital instruments.
Schematic for
and Absolute Temperature
Model 1776-C68
In addition to requiring less
Coefficient.
board space, these compact
For complete information on quantity price and delivery,
precision resistor networks deliver higher performance than
contact our Sales Office.
selected discrete resistor sets and thin-film networks.
IN
IN
OUT
IN
OUT
IN
OUT
IN
OUT
Model
No.
Resistance Values
R
1
9 Meg
9 Meg
R
2
900 K
900 K
900 K
900 K
900 K
900 K
R
3
90 K
90 K
90 K
90 K
90 K
90 K
R
4
9K
9K
9K
9K
9K
9K
R
5
900
900
900
Ratio
Ratio
Absolute
Voltage
Tolerance
Tolerance
Abs. TC
TC
Fig.
Rating
%
%
ppm/°C ppm/°C
7
TC
Temp.
Range
2
1
2
Ratio Stability
Voltage
% Change in Ratio
Coef.
of Ratio
Load Shelf
Over-
ppm/volt
Life Life
Voltage
3
4
5
6
Specifications:
(Numbers inside circles
reference columns in Model No.
table)
1
2
3
5
6
7
Ratio
4
Tolerance:
Maximum
ra tio error. (See the specific
Figures for the Ratio Definition).
3
4
5
6
7
Ratio Temperature Coefficient:
Maximum ratio TC error. (See
the specific Figures for the
Ratio Definition).
Range 1: -40°C to +85°C.
Range 2: 0°C to +70°C.
4
5
6
7
Voltage Coefficient of Ratio
(ppm/volt):
R
1
in series with any
combination of R
2
, R
3
, R
4,
and
R
5,
100 volts to rated voltage.
5
6
7
Load Life:
Ratio stability of
re sis tance under full load at
+70°C, rated voltage applied to
R
1
in series with any combination
of R
2
, R
3
, R
4,
and R
5
for 2000 hrs.
6
7
Shelf Stability of Ratio:
Six
months at shelf conditions.
7
Overvoltage:
Maximum voltage
of 1.67 times rated DC voltage.
Volts DC or peak AC applied to
R
1
and any combination of R
2
,
R
3
, R
4,
and R
5
in series with R
1
for 10 seconds.
Voltage Rating:
DC or RMS
AC voltage applied to R
1
in
series with any combination of
R
2
, R
3
, R
4,
and R
5
.
Storage Temperature:
-40°C
to +85°C.
1776-C67
1776-C671
10
10
10
10
10
10
1200
1200
1200
1200
1200
1200
1200
1200
1200
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.05
0.05
30
30
30
30
30
30
30
30
30
10
10
5
10
10
5
10
10
5
Range 1
0.04
0.04
0.04
0.04
0.04
0.04
0.03
0.03
0.03
0.01 0.003
0.01
0.003
0.01
0.003
0.01
0.003
0.01
0.003
0.01
0.003
0.01
0.003
0.01
0.003
0.01
0.003
0.005
0.005
0.005
0.005
0.005
0.005
0.005
0.005
0.005
1
2
Range 1
Range 1
Range 1
Range 1
Range 1
Range 1
Range 1
Range 1
New
1776-C6715 9 Meg
1776-C68
1776-C681
9 Meg
9 Meg
1K
1K
1K
0.1
0.05
0.05
1776-C6815 9 Meg
New
1776-C48
1776-C481
10 Meg 1.1111M 101.01K 10.01K 1.0001K
11
10 Meg 1.1111M 101.01K 10.01K 1.0001K
11
0.1
0.1
0.1
0.1
0.05
0.05
1776-C4815
10 Meg 1.1111M 101.01K 10.01K 1.0001K
11
1776-C61
1776-C611
1776-C62
1776-C621
9 Meg
9 Meg
9 Meg
9 Meg
900 K
900 K
900 K
900 K
900 K
90 K
90 K
90 K
90 K
90 K
9K
9K
9K
9K
9K
900
900
1K
1K
1K
6
6
6
6
6
1200
1200
1200
1200
1200
0.1
0.1
0.1
0.1
0.1
0.1
0.05
0.1
0.05
0.02
30
30
30
30
30
10
10
10
10
10
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
Range 2
0.1
0.1
0.1
0.1
0.1
0.01 0.005
0.01 0.005
0.01 0.005
0.01 0.005
0.01 0.005
0.01
0.01
0.01
0.01
0.01
1
2
3
1776-C6217 9 Meg
1776-C742
1776-C74
1776-232
1776-23
1776-242
1776-24
1776-241
1776-105
1776-C10
1776-C105
1776-1
1776-14
1776-8
1776-9
1776-91
1776-912
1776-C4
1776-C44
1776-C441
1776-C34
1776-C532
1776-C53
1776-C542
1776-C54
1776-C541
9 Meg
9 Meg
9 Meg
9 Meg
9 Meg
9 Meg
9 Meg
9 Meg
9 Meg
9 Meg
9 Meg
9 Meg
9.9 Meg
9.9 Meg
9.9 Meg
9.9 Meg
900 K
900 K
900 K
900 K
900 K
900 K
900 K
900 K
900 K
900 K
900 K
900 K
90 K
90 K
90 K
90 K
90 K
90 K
90 K
90 K
90 K
90 K
90 K
90 K
90 K
90 K
90 K
90 K
10 K
10 K
10 K
10 K
9K
9K
9K
9K
9K
9K
9K
10 K
10 K
10 K
10 K
10 K
N/A
N/A
N/A
N/A
1K
1K
900
900
1K
1K
1K
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
7
7
3
3
3
3
3
4
9
9
2
2
1
1
1
1
8
8
8
8
5
5
5
5
5
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
750
750
750
750
750
0.25
0.1
0.25
0.1
0.25
0.25
0.25
+0, -0.5
+0, -0.5
+0, -0.5
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.1
0.1
0.25
0.25
0.1
0.25
0.1
0.1
0.25
0.1
0.25
0.1
0.25
0.1
0.05
0.1
0.1
0.1
0.05
0.1
0.1
0.1
0.05
0.02
0.25
0.1
0.05
0.25
0.25
0.1
0.25
0.1
0.05
50
50
50
50
50
50
50
30
30
30
30
30
30
30
30
30
30
30
30
50
25
25
25
25
25
50
50
50
50
50
50
50
5
10
5
10
10
25
10
10
5
10
10
10
50
25
15
25
15
15
0.5
0.5
0.3
0.2
0.3
0.2
0.2
0.02
0.02
0.02
0.02
0.02
0.2
0.02
0.02
0.02
0.1
0.1
0.1
0.5
0.4
0.3
0.4
0.3
0.3
1
0.04
0.04
0.04
0.02
0.04
0.02
0.02
0.02
0.02
0.02
0.01
0.02
0.01
1
0.01
2
0.04
1
0.04
2
0.04
0.02
0.04
0.02
3
0.02
3
4
4
5
0.01 0.005
0.01
5
6
0.01 0.005
3
0.01
2
4
1
0.01 0.005
0.01 0.005
0.01 0.005
0.02
2
0.01
0.01
0.01
0.02
0.01
4
0.01
3
0.01 0.005
0.01 0.005
0.01 0.005
0.01 0.005
0.01 0.005
0.01 0.005
0.04
0.02
0.02
0.02
0.02
0.02
0.01
0.01
0.01
0.01
0.01
0.04
0.02
0.02
0.02
0.02
0.02
5
6
7
10 Meg 1.1111M 101.01K 10.01K 1.0001K
10 Meg 1.1111M 101.01K 10.01K 1.0001K
10 Meg 1.1111M 101.01K 10.01K 1.0001K
10 Meg 1.1111M 101.01K 10.01K 1.0001K
900 K
900 K
900 K
900 K
900 K
0.02
0.01
0.01
0.01
0.01
0.01
90 K
90 K
90 K
90 K
90 K
9K
9K
9K
9K
9K
900
900
1K
1K
1K
N/A
N/A
N/A
N/A
N/A
Applications Engineering
17271 North Umpqua Hwy.
Roseburg, Oregon 97470-9422
Phone: (541) 496-0700
Fax: (541) 496-0408
© 2004 Caddock Electronics, Inc.
CADDOCK
e-mail: caddock@caddock.com • web: www.caddock.com
For Caddock Distributors listed by country see caddock.com/contact/dist.html
Sales and Corporate Office
1717 Chicago Avenue
Riverside, California 92507-2364
Phone: (951) 788-1700
Fax: (951) 369-1151
28_IL118.1004
Smaller Models
Lower Cost
New
Page 2 of 2
Figure 1
1.500
±.020
(38.10
±.51)
.680
±.020
(17.27
±.51)
PIN 1
Figure 2
.090
(2.29)
MAX.
1.700
±.020
(43.18
±.51)
.090
(2.29)
MAX.
2.000
±.020
(50.80
±.51)
Figure 3
.090
(2.29)
MAX.
CADDOCK ELECTRONICS
MODEL 1776-81
0408
CADDOCK ELECTRONICS
MODEL 1776-1
0404
.750
±.020
(19.05
±.51)
CADDOCK ELECTRONICS
MODEL 1776-23
0419
.680
±.020
(17.27
±.51)
PIN 1
.100
(2.54)
PIN 1
.100
(2.54)
.900 (22.86)
1.100 (27.94)
1.300 (33.02)
.250
±.050
(6.35
±1.27)
.100
(2.54)
.025
±.002
(.64
±.05)
DIA.
Tinned Copper
.900 (22.86)
1.200 (30.48)
1.400 (35.56)
1.500 (38.10)
.250
±.050
(6.35
±1.27)
.025
±.002
(.64
±.05)
DIA.
Tinned Copper
.800 (20.32)
1.000 (25.40)
1.200 (30.48)
1.500 (38.10)
1.800 (45.72)
.250
±.050
(6.35
±1.27)
.025
±.002
(.64
±.05)
DIA.
Tinned Copper
RATIO DEFINITION:
ALL RESISTORS RATIO
ONE ANOTHER
1.700
±.020
(43.18
±.51)
R
1
1
2
R
2
3
R
3
4
RATIO DEFINITION:
ALL RESISTORS RATIO
ONE ANOTHER
1.200
±.020
(30.48
±.51)
R
1
R
2
R
3
R
4
1
2
3
4
5
RATIO DEFINITION:
ALL RESISTORS RATIO
ONE ANOTHER
1.400
±.020
(35.56
±.51)
R
1
1
2
R
2
3
R
3
4
R
4
5
R
5
6
Figure 4
.090
(2.29)
MAX.
.750
±.020
(19.05
±.51)
Figure 5
.100
(2.54)
MAX.
PIN 1
.050
(1.27)
Figure 6
.100
(2.54)
MAX.
CADDOCK ELECTRONICS
MODEL 1776-10
0402
CADDOCK
0417
1776-C54
PIN 1
.050
(1.27)
.550
±.020
(13.97
±.51)
CADDOCK
0411
1776-C62
.550
±.020
(13.97
±.51)
PIN 1
.100
(2.54)
.700 (17.78)
.800 (20.32)
1.000 (25.40)
1.100 (27.94)
1.300 (33.02)
1.400 (35.56)
1.500 (38.10)
.250
±.050
(6.35
±1.27)
.025
±.002
(.64
±.05)
DIA.
Tinned Copper
.600 (15.24)
.800 (20.32)
.900 (22.86)
1.100 (27.94)
.010
±.002
(.26
±.05)
.020
±.002
(.51
±.05)
.150
±.040
(3.81
±1.02)
.700 (17.78)
.900 (22.86)
1.000 (25.40)
1.100 (27.94)
1.300 (33.02)
.010
±.002
(.26
±.05)
.020
±.002
(.51
±.05)
.150
±.040
(3.81
±1.02)
RATIO DEFINITION:
ALL RESISTORS RATIO
ONE ANOTHER
R
1
1
2
3
R
2
4
5
R
3
6
7
R
4
8
RATIO DEFINITION:
ALL RESISTORS RATIO
ONE ANOTHER
R
1
R
2
R
3
R
4
1
2
3
4
5
RATIO DEFINITION: Where R
T
= R
1
+ R
2
+ R
3
+ R
4
+ R
5
RATIO 1 (R
2
+ R
3
+ R
4
+ R
5
):R
T
R
1
R
2
R
3
R
4
R
5
RATIO 2 (R
3
+ R
4
+ R
5
):R
T
RATIO 3 (R
4
+ R
5
):R
T
RATIO 4 (R
5
):R
T
1
2
3
4
5
6
1.600
±.020
(40.64
±.51)
Figure 7
.100
(2.54)
MAX.
PIN 1
.050
(1.27)
Figure 8
1.500
±.020
(38.10
±.51)
CADDOCK
0420
1776-C34
Figure 9
.100
(2.54)
MAX.
PIN 1
.050
(1.27)
1.600
±.020
(40.64
±.51)
CADDOCK
0405
1776-C10
PIN 1
.050
(1.27)
CADDOCK
0403
1776-C73
.550
±.020
(13.97
±.51)
.550
±.020
(13.97
±.51)
.100
(2.54)
MAX.
.600
±.020
(15.24
±.51)
.700 (17.78)
.900 (22.86)
1.100 (27.94)
1.300 (33.02)
1.500 (38.10)
.010
±.002
(.26
±.05)
.020
±.002
(.51
±.05)
.150
±.040
(3.81
±1.02)
.700 (17.78)
.900 (22.86)
1.100 (27.94)
1.200 (30.48)
1.300 (33.02)
1.400 (35.56)
.010
±.002
(.26
±.05)
.020
±.002
(.51
±.05)
.150
±.040
(3.81
±1.02)
R
1
R
2
2
3
R
3
4
R
4
5
R
5
6
RATIO DEFINITION:
ALL RESISTORS RATIO
ONE ANOTHER
1.000
±.020
(25.40
±.51)
CADDOCK
0417
1776-C68
1
RATIO DEFINITION:
RATIO 1
R
1
:R
2
RATIO 2
R
1
:R
3
RATIO 3
R
1
:R
4
RATIO 4
R
1
:R
5
.700 (17.78)
.800 (20.32)
1.000 (25.40)
1.100 (27.94)
1.300 (33.02)
1.400 (35.56)
1.500 (38.10)
.010
±.002
(.26
±.05)
.020
±.002
(.51
±.05)
.150
±.040
(3.81
±1.02)
R
1
R
2
1
2
3
R
1
R
2
2
3
4
5
R
3
6
7
R
4
8
R
3
R
4
5
6
R
5
7
4
RATIO DEFINITION:
ALL RESISTORS RATIO
1
ONE ANOTHER
1.200
±.020
(30.48
±.51)
CADDOCK
0417
1776-C48
Figure 10
0.530
±.020
(13.46
±.51)
0.110
(2.79)
Max.
New Smaller Models at Lower Cost
Lead Form Detail Note:
Lead
form detail provides interference
in the circuit board hole to achieve
a vertical mount of the device.
Recommended circuit board hole is
nominally 0.039 inch (.99 mm).
PIN 1
Figure 11
0.530
±.020
(13.46
±.51)
0.110
(2.79)
Max.
See Lead Form
Detail Note.
PIN 1
See Lead Form
Detail Note.
.050
(1.27)
.500 (12.70)
.600 (15.24)
.700 (17.78)
.800 (20.32)
.900 (22.86)
0.010
±.002
(0.25
±.05)
.050
(1.27)
.500 (12.70)
0.020
±.002
(0.51
±.05)
.150
±.040
(3.81
±1.02)
.700 (17.78)
.800 (20.32)
.900 (22.86)
1.000 (25.40)
1.100 (27.94)
0.010
±.002
(0.25
±.05)
0.020
±.002
(0.51
±.05)
.150
±.040
(3.81
±1.02)
RATIO DEFINITION: Where R
T
= R
1
+ R
2
+ R
3
+ R
4
+ R
5
RATIO 1 (R
2
+ R
3
+ R
4
+ R
5
):R
T
R
1
R
2
R
3
R
4
R
5
RATIO 2 (R
3
+ R
4
+ R
5
):R
T
RATIO 3 (R
4
+ R
5
):R
T
RATIO 4 (R
5
):R
T
1
2
3
4
5
6
DIMENSIONS IN INCHES AND (MILLIMETERS)
RATIO DEFINITION:
RATIO 1
R
1
:R
2
RATIO 2
R
1
:R
3
RATIO 3
R
1
:R
4
RATIO 4
R
1
:R
5
R
1
R
2
1
2
3
R
3
R
4
5
6
R
5
7
4
Applications Engineering
17271 North Umpqua Hwy.
Roseburg, Oregon 97470-9422
Phone: (541) 496-0700
Fax: (541) 496-0408
© 2004 Caddock Electronics, Inc.
CADDOCK
e-mail: caddock@caddock.com • web: www.caddock.com
For Caddock Distributors listed by country see caddock.com/contact/dist.html
Sales and Corporate Office
1717 Chicago Avenue
Riverside, California 92507-2364
Phone: (951) 788-1700
Fax: (951) 369-1151
28_IL118.1004
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