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MS126-138-0.1%

Description
Fixed Resistor, 0.25W, 138ohm, 200V, 0.1% +/-Tol, 50ppm/Cel, Through Hole Mount, AXIAL LEADED
CategoryPassive components    The resistor   
File Size241KB,2 Pages
ManufacturerCaddock
Environmental Compliance  
Download Datasheet Parametric View All

MS126-138-0.1% Overview

Fixed Resistor, 0.25W, 138ohm, 200V, 0.1% +/-Tol, 50ppm/Cel, Through Hole Mount, AXIAL LEADED

MS126-138-0.1% Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerCaddock
package instruction,
Reach Compliance Codecompli
ECCN codeEAR99
structureTubul
JESD-609 codee4
Lead diameter0.51 mm
Lead length38.1 mm
Installation featuresTHROUGH HOLE MOUNT
Number of terminals2
Maximum operating temperature275 °C
Package diameter1.78 mm
Package length4.78 mm
Package shapeTUBULAR PACKAGE
Package formAxial
Rated power dissipation(P)0.25 W
Rated temperature125 °C
resistance138 Ω
Resistor typeFIXED RESISTOR
surface mountNO
technologyMETAL GLAZE/THICK FILM
Temperature Coefficient50 ppm/°C
Terminal surfaceGold (Au) - with Nickel (Ni) barrie
Terminal shapeWIRE
Tolerance0.1%
Operating Voltage200 V
Type MS Power Film Resistors
Page 1 of 2
Power Film Resistor Family with Wide Resistance Range and +275°C Maximum Temperature
With power ratings to 22 Watts and voltage ratings as
high as 6,000 volts in an axial-lead resistor with values to
30 Megohms, the Type MS Power Film Resistors deliver
the performance capabilities that can simplify circuit
design and reduce equipment cost and complexity.
Type MS Power Film Resistors provide all these features in
a single resistor:
Full power and voltage ratings, without derating:
Higher voltage ratings without the limitations of minimum
Excellent long-term stability.
wire size and spacing.
Tests demonstrate typical stability of 0.05% per 1,000
hours over extended life.
- for non-inductive performance.
- for high resistance values that extend the critical
resistance value up to 10 times.
Micronox
®
Resistance Films
Type MS performance begins with Caddock's Micronox
®
resistance films. Produced exclusively by Caddock
Electronics, these proven complex oxide films have been
used reliably for over 30 years in Caddock's precision power
resistor products.
Micronox
®
resistance films are fired directly onto a
ceramic core at temperatures above 1400°F (760°C). These
resistance films have demonstrated outstanding stability
when exposed to a high ambient temperature, thermal shock
and high power densities.
This unique approach to precision power resistors opens
new design possibilities by providing a wider resistance
range, precise temperature characteristics, and higher
temperature and power handling capability.
N
Caddock's
Non-Inductive
Design
The Serpentine Pattern used in this patented product
contain features which enhance high stability in
High-Power Resistor applications.
Most models are manufactured with Caddock's
Non-Inductive serpentine resistive pattern that provides for
neighboring lines to carry current in opposite directions,
thereby achieving maximum cancellation of flux fields over
the entire length of the resistor. This efficient non-inductive
construction is accomplished without derating of any
performance advantages.
The result is a truly non-inductive resistor that is about as
inductive as a straight piece of wire the length of the resistor
body. This efficient design means faster settling times and
minimum distortion in all types of high frequency circuits.
Carefully Controlled Manufacturing and Test Procedures Assure Compliance with
Strict Quality Control Requirements.
Manufacturing Control
Type MS Resistors are produced under intensive
manufacturing controls with processes which include power
conditioning, overvoltage conditioning, and maximum
temperature conditioning.
Reliability Verification
Type MS resistors are included in the Caddock Reliability
Testing Program. Conformance to specification parameters
including Extended Life, Shock, Vibration, and Humidity are
verified on a periodic basis. Data from Type MS resistors
can be compared by similarity to other Caddock resistor
types, since Type ML, MM, MS, MP, MG, and MK represent
an identical combination of materials - aluminum oxide
substrate, Micronox
®
resistance film, and silicone insulating
coating.
Quality Control
From the certification and testing of all materials, to the
supervision of manufacturing processes, all Caddock Type
MS Power Film Resistors are produced under procedures
that have been approved for conformance to the
requirements of Mil-I-45208 in many recent surveys as
described on page 8.
Certain products shown in this catalog are covered by one or more patents, there are also patents pending.
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_IL108.1004
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