- for use in ampli鏗乪r gain-setting.
鈥?/div>
9:1 Resistance Ratio
- for use in voltage reference dividers.
Ordering Information:
Model Number
Speci鏗乧ations:
Absolute Tolerance:
鹵0.1% for all resistors.
Absolute Temperature Coef鏗乧ient:
25 ppm/擄C
referenced to +25擄C,
螖R
taken at 0擄C and +70擄C.
Ratio Tolerance:
Options for ratio tolerance are
provided as shown in the Ordering Information
panel.
Ratio Temperature Coef鏗乧ient:
Options for
ratio temperature coefficient are provided as
shown in the Ordering Information panel.
Voltage Rating:
30 volts DC or RMS AC
applied to R
1
, R
2
, R
3
and R
4
.
Power Rating:
0.10 watt applied to R
1
, R
2
, R
3
and R
4
(not to exceed rated voltage).
Package Power Rating:
Type T912, 0.20 watt.
Type T914, 0.40 watt.
Storage Temperature:
-55擄C to +105擄C.
Insulation Resistance Between Isolated Pins:
Pin 2 to Pin 3, Pin 4 to Pin 5, or Pin 6 to Pin 7,
1,000 Megohms, minimum.
T912 - A 10K - 010 - 02
Ratio Code Letter:
A
- T912 with R
1
: R
2
where R
2
= 10R
1
1K:10K
10K:100K
40K:400K
2K:20K
20K:200K
50K:500K
5K:50K
25K:250K
100K:1 Meg
B
- T912 with R
1
: R
2
where R
2
= 9R
1
1K:9K
10K:90K
40K:360K
2K:18K
20K:180K
50K:450K
5K:45K
25K:225K
100K:900K
*
Ratio Temperature Track (0擄C to +70擄C):
-10 = 10 ppm/擄C
-05 = 5 ppm/擄C
-02 = 2 ppm/擄C
*
Ratio Tolerance:
*
-100 = 0.10%
-050 = 0.05%
*
-020 = 0.02%
-010 = 0.01%
Standard Resistance Values:
(R
1
)
1K
10K
40K
200K
2K
20K
50K
250K
5K
25K
100K
400K
500K
1 Meg
No Letter
- T912 with R
1
= R
2
No Letter
- T914 with R
1
= R
2
= R
3
= R
4
Special or mixed resistance values are available as custom networks.
See the custom section at the bottom of this page.
*
(This information appears on the back side of the network)
Ratios Available: 1:1 and Custom.
.900
鹵.020
(22.86
鹵.51)
CADDOCK
T914
0429
Ratios Available: 1:1, 9:1, 10:1, and Custom.
.500
鹵.020
(12.70
鹵.51)
CADDOCK
T912
0402
Type T912
Type T914
.095 (2.41)
MAX.
.095 (2.41)
MAX.
.500
鹵.020
(12.70
鹵.51)
.500
鹵.020
(12.70
鹵.51)
.020
(.51)
.100
.150
鹵.040
(2.54)
(3.81
鹵1.02)
4 PINS ON .100 (2.54) CENTERS
PIN 1
R
1
R
2
PIN 1
.010
(.26)
.100
(2.54)
8 PINS ON .100 (2.54) CENTERS
R
1
R
2
.020
(.51)
.150
鹵.040
(3.81
鹵1.02)
R
3
R
4
.010
(.26)
Dielectric Strength Between Isolated Pins:
50 volts RMS AC.
1
2
3
4
DIMENSIONS IN INCHES
AND (MILLIMETERS)
1
2
R
1
= R
2
= R
3
= R
4
3
4
5
6
7
8
For applications requiring non-standard
resistance values, the T912 and T914 custom
con鏗乬urations can include these special features:
鈥?/div>
Mixed resistance values with a maximum ratio
of 250-to-1. (Example: 1 Megohm and 4 K)
鈥?/div>
Absolute TC as low as 15 ppm/擄C.
鈥?/div>
Ratio TC as low as 2 ppm/擄C.
鈥?/div>
Custom voltage ratings.
鈥?/div>
Matched resistors of any special value
between 1 K and 2 Megohms.
Applications Engineering
17271 North Umpqua Hwy.
Roseburg, Oregon 97470-9422
Phone: (541) 496-0700
Fax: (541) 496-0408
漏 2004 Caddock Electronics, Inc.
Custom Model T912 and T914 Precision Resistor Networks
Contact our Applications
Engineering for performance,
price, and availability of these
custom resistor networks.
CADDOCK
e-mail: caddock@caddock.com 鈥?web: www.caddock.com
For Caddock Distributors listed by country see caddock.com/contact/dist.html
Sales and Corporate Of鏗乧e
1717 Chicago Avenue
Riverside, California 92507-2364
Phone: (951) 788-1700
Fax: (951) 369-1151
28_IL117.1004
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