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TK634 Datasheet(PDF) 1 Page - Caddock Electronics, Inc.

Part # TK634
Description  TK134 and TK634 Compact-Radial-Lead
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Manufacturer  CADDOCK [Caddock Electronics, Inc.]
Direct Link  http://www.caddock.com/
Logo CADDOCK - Caddock Electronics, Inc.

TK634 Datasheet(HTML) 1 Page - Caddock Electronics, Inc.

  TK634 Datasheet HTML 1Page - Caddock Electronics, Inc.  
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Resistance Tolerance: ±0.1% Standard
(tolerances of ±1% and ±0.05% are available)
Temperature Coefficient: Referenced to
25°C, ∆R taken at -55°C to +125°C.
TC identification is made with a color stripe on
the top edge of the part.
5 ppm/°C White Stripe
10 ppm/°C No Stripe
20 ppm/°C Green Stripe
Overload*:
TK134 - 6.25timesratedpowerfor5secondsat
voltage not to exceed 1.5 times maximum rated
working voltage, ∆R less than 0.05%.
TK634 - 1.5 times rated working voltage for 5
seconds, ∆R less than 0.2%.
Operating Temperature: -55°C to +175°C.
Thermal Shock:
TK134 - Mil-Std-202, Method 107, Cond. B,
R less than 0.05%.
TK634 - Mil-Std-202, Method 107, Cond. B,
R less than 0.1%.
Low Temperature Operation*:
TK134 - ∆R less than 0.02%.
TK634 - ∆R less than 0.05%.
Dielectric Withstanding Voltage*:
TK134 - ∆R less than 0.02%.
TK634 - ∆R less than 0.05%.
Moisture Resistance*: Mil-Std-202,
Method 106, 1K to 500K ∆R less than 0.05%,
500.1K to 10.0 Meg ∆R less than 0.1%.
Derating Curve:
AMBIENT TEMPERATURE, °C
100
80
60
40
20
0 25 75 125 175 225
Load Life*: 2,000 hours at +125°C,
TK134 - 1K to 500K ∆R less than 0.07%,
500.1K to 1.5 Meg. ∆R less than 0.1%.
TK634 - ∆R less than 0.2%.
Shelf Life (Typical):
TK134 - 25 ppm/year.
TK634 - 50 ppm/year.
Insulation Resistance: 10,000 Megohms.
Vibration*:
TK134 - ∆R less than 0.03%.
TK634 - ∆R less than 0.05%.
Shock*: ∆R less than 0.05%.
*Test methods per procedures of Mil-PRF-55182/9.
TK134 and TK634 Low TC Precision Radial-Lead Resistors
with the Tetrinox® resistance system solve the reliability problems
related to other low TC precision resistor technologies. The robust
construction of Caddock's TK134 and TK634 Resistors provides
reliable operation even in the harsh temperature cycling and/or power
cycling environments of the most demanding industrial applications.
TK134 and TK634 Low TC Precision Radial-Lead Film Resistors
provide a combination of performance advantages not available in
other compact resistive components.
• Low Temperature Coefficient - better than 5 ppm/°C,
10 ppm/°C, or 20 ppm/°C over the entire temperature range
from -55°C to +125°C!
• Long-Term Stability - extended load life stability typically better
than ±0.05% per 2,000 hours of operation.
• Extended Resistance Range - from 1 K ohm to 10 Megohm.
• Precision Tolerances - ±0.1% is standard, and tolerances of
±1% and ±0.05% are available.
• Wide Operating Temperature Range - from -55°C to +175°C.
• High Power Density - with a power rating of 0.3 Watt in a molded
case.
• Caddock's Non-Inductive Performance - provides faster settling
times and minimum distortion in all types of high frequency circuits.
• High Density Packaging - the radial-lead mounting and small
rectangular case of the TK134 and TK634 resistors permit
high packaging densities in low profile circuitry.
“Pure Tin Free” design with Low Temperature Coefficient of 5 ppm/°C, 10 ppm/°C, or 20 ppm/°C
Resistance Range from 1 K to 10 Megohm
TK134 and TK634 Compact-Radial-Lead
Low TC Precision Film Resistors
diMeNSioNS iN iNCheS ANd (MiLLiMeTeRS)
.025 ±.002 (.64 ±.05) DIA.,
LEADWIRE OFFSET .012 (.31)
FROM CENTERLINE
.250
±
1.27)
±
.050
(6.35
.290 ±.010
(7.37 ±.26)
.200 ±.015
(5.08 ±.38)
(CENTERED)
1.50MEG
TK134
0.1%
.095 ±.005
(2.41 ±.13)
.290 ±.010
(7.37 ±.26)
Resistance
Min.
Max.
Encapsulation Leadwire
Max.
Working
Voltage
Model
No.
Wattage
@
+125°C
Temperature
Coefficient
ppm/°C
Dielect.
Strength
Transfer Molded
Gold Plated
TK
134
0.3
300
5, 10, or 20
400
1.00 K
1.50 Meg
Transfer Molded
Gold Plated
TK
634
Limited by Maximum Working Voltage
300
5, 10, or 20
400
1.51 Meg 10.0 Meg
Corporate Office
1717 Chicago Avenue
Riverside, California 92507-2364
Phone: (951) 788-1700
Fax: (951) 369-1151
Sales and 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
© 2010 Caddock Electronics, Inc.
ELECTRONICS, INC.
IL-136.0710
TK134 - 1.50 Meg - 0.1% - 10 ppm/°C
Model
Number
Tolerance
Resistor
Value
Temperature
Coefficient
Ordering Information:
The Tetrinox® Resistance System was introduced by Caddock
in 1975. Tetrinox provides a wide range of resistivities, with the
higher resistivities capable of producing resistance values up to
100 times higher than other ultra-low TC resistors in a similar size
component. The essentially linear TC is well within 10 ppm/°C over
the entire temperature range from -55°C to +125°C. By using
TK resistors engineers can design high precision circuits with lower
current drain and lower power requirements.
Through our R&d, Caddock has continued to improve the
Tetrinox Resistance System, building on over 40 years of experience
with our unique complex oxide resistance system technologies.


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