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7
TOLERANCE RESIS
TORS than any suppli er in the induct
1,
Only from IRC can you obtain Boron
Carbon resistors with the protection
of a molded plastic housing. Any
risk of mechanical damage to the
coating or of insulation breakdown
is overcome. Any need for special
handling is eliminated, and moisture
and load life characteristics are improved.
5 sizes-Types MBA -
waft, M88- 1/4 watt, MBC -1/2 watt,
MBF -1 watt, MBH -2 watts. All exceed
MIL- R- 10509A specifications.
TYPICAL TEMPERATURE COEFFICIENT
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Wire Wound
IRC's winding skills and automatic
assembly equipment provide precision
windings to exacting standards.
Continuous inspections at every
stage of manufacture assure maximum
reliability in each finished
resistor. Available in 7 sizes including
tiny Type WW10J -12hi" x 9/2"
Standard tolerance ±1 %; minimum
tolerances are shown below.
Resistance
10 ohms & up
5 ohms & up
1 ohm & up
1500 ohms & up
200 ohms & up
65 ohms & up
Minimum Tolerances
Types WW2,
án,4, 5, 8
d 11J
0.1%
0.25%
0.5%
Type WW101
0.1%
0.25%
0.5%
Encapsulated
Wire Wound
Series "PH" Encapsulated resist
are produced to IRC's high standar
and represent many years' expe
ence in the development and man
facture of precision wire -wou
resistors. Available in many typ
and styles, including types for u
in printed wiring assemblies and su
miniature Type 128A. Standard t
erance ±.1%. Also, ± 1%, 0.5
.25% and .05% can be suppli
Series "PH" offers the most comp!
selection of Encapsulated precisi
wire -wound resistors available .
all designed to meet MIL -R -9
specifications.
MANY COMBINATIONS OF CHARACTERISTICS AND
OPPORTUNITIES FOR COST REDUCTION ARE INVOLVED
WHEN SPECIFYING CLOSE TOLERANCE RESISTORS. NO
OTHER SINGLE SOURCE CAN OFFER YOU THE SCOPE
OF TECHNICAL GUIDANCE AVAILABLE FROM IRC.
se coupon for complete da ta!
International Resistance Co., Ltd., Toronto, Licensee
INTERNATIONA
RESISTANCE COMPAN'
Dept. 584, 401 N. Broad S
Philadelphia 8. P
SEND ME TECHNICAL
BULLETINS ON-
Deposited Carbo,
H Molded Deposited Carbol
r Boron Carbons .P] Molded Boron Carbo
Name
Type WW Precisions
Company
Address
City
State
Series P