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ETC - (T912 / T914) Precision Resistor Networks

Numéro de référence T914
Description (T912 / T914) Precision Resistor Networks
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Type T912 and T914 Precision Resistor Networks
Resistor Pairs and Quads with Ratio Characteristics for Precision Analog Circuits
Type T912 and T914 Precision Resistor Networks are constructed with
Caddock Tetrinox® resistance films to achieve the precise ratio performance
and stability required by highly accurate amplifier circuits, voltage reference
circuits, and precision bridge circuits.
Ratio Tolerance - from 0.1% to 0.01%.
Ratio Temperature Coefficient - 10 ppm/°C, 5 ppm/°C or 2 ppm/°C.
Absolute Temperature Coefficient - 25 ppm/°C.
Ratio Stability of Resistance at Full Load for 2,000 hours - within 0.01%.
Shelf Life Stability of Ratio for 6 Months - within 0.005%.
Both the T912 and the T914 are available in 14 standard resistance values
between 1K and 1 Megohm. Caddock's high thru-put manufacturing capabil-
ity assures that prototype and large-volume production quantities are available
either from stock or within 6 weeks after receipt of order.
Standard Type T912 and Type T914 Precision Resistor Networks
In addition to the 14 standard equal value models of the Type T912 and T914,
the Type T912 can also be ordered with:
10:1 Resistance Ratio - for use in amplifier gain-setting.
9:1 Resistance Ratio - for use in voltage reference dividers.
Ordering Information: T912 - A 10K - 010 - 02
Model Number
*Ratio Code Letter:
A - T912 with R1: R2 where R2 = 10R1
1K:10K 10K:100K
40K:400K
2K:20K 20K:200K
50K:500K
5K:50K 25K:250K 100K:1 Meg
B - T912 with R1: R2 where R2 = 9R1
1K:9K
10K:90K
40K:360K
2K:18K 20K:180K
50K:450K
5K:45K 25K:225K 100K:900K
No Letter - T912 with R1 = R2
No Letter - T914 with R1 = R2 = R3 = R4
*Ratio Temperature Track (0°C to +70°C):
-10 = 10 ppm/°C -05 = 5 ppm/°C
-02 = 2 ppm/°C
*Ratio Tolerance: -100 = 0.10% -020 = 0.02%
-050 = 0.05% -010 = 0.01%
*Standard Resistance Values: (R1)
1K 10K 40K 200K
2K 20K 50K 250K
5K
25K 100K
400K
500K
1 Meg
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)
Type T912
Ratios Available: 1:1, 9:1, 10:1, and Custom.
.500 ±.020
(12.70 ±.51)
.095 (2.41)
MAX.
Type T914
Ratios Available: 1:1 and Custom.
.900 ±.020
(22.86 ±.51)
.095 (2.41)
MAX.
CADDOCK
T912
0402
.500 ±.020
(12.70 ±.51)
PIN 1
.(0.5210)
.100
(2.54)
.150 ±.040
(3.81 ±1.02)
4 PINS ON .100 (2.54) CENTERS
R1 R2
.010
(.26)
CADDOCK
T914
0429
.500 ±.020
(12.70 ±.51)
PIN 1
.100
(2.54)
.(0.5210)
.150 ±.040
(3.81 ±1.02)
8 PINS ON .100 (2.54) CENTERS
R1 R2 R3 R4
.010
(.26)
Specifications:
Absolute Tolerance: ±0.1% for all resistors.
Absolute Temperature Coefficient: 25 ppm/°C
referenced to +25°C, ΔR taken at 0°C and +70°C.
Ratio Tolerance: Options for ratio tolerance are
provided as shown in the Ordering Information
panel.
Ratio Temperature Coefficient: Options for
ratio temperature coefficient are provided as
shown in the Ordering Information panel.
Voltage Rating: 30 volts DC or RMS AC
applied to R1, R2, R3 and R4.
Power Rating: 0.10 watt applied to R1, R2, R3
and R4 (not to exceed rated voltage).
Package Power Rating: Type T912, 0.20 watt.
Type T914, 0.40 watt.
Storage Temperature: -55°C to +105°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.
Dielectric Strength Between Isolated Pins:
50 volts RMS AC.
1 23 4
DIMENSIONS IN INCHES
AND (MILLIMETERS)
1 23 45 67 8
R1 = R2 = R3 = R4
Custom Model T912 and T914 Precision Resistor Networks
For applications requiring non-standard
resistance values, the T912 and T914 custom
configurations can include these special features:
Mixed resistance values with a maximum ratio
of 250-to-1. (Example: 1 Megohm and 4 K)
Absolute TC as low as 15 ppm/°C.
Ratio TC as low as 2 ppm/°C.
Custom voltage ratings.
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
CADDOCK
e-mail: [email protected] • web: www.caddock.com
For Caddock Distributors listed by country see caddock.com/contact/dist.html
© 2004 Caddock Electronics, Inc.
Contact our Applications
Engineering for performance,
price, and availability of these
custom resistor networks.
Sales and Corporate Office
1717 Chicago Avenue
Riverside, California 92507-2364
Phone: (951) 788-1700
Fax: (951) 369-1151
28_IL117.1004

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