TELE-TECH & - AmericanRadioHistory.Com

ffi
NEW
Printed Circuit
Precision Resistors
To meet the requirements for printed circuitry,
RPC has developed Type P Encapsulated Wire
Wound Precision Resistors Miniature, single
ended units designed for easy rapid mounting
on printed circuit panels with no support other
than the wire leads. Many newly developed
techniques are employed in the manufacture
of Type P Resistors. These units can be operated
in ambient temperatures up to 125 °C.
and will withstand all applicable tests of MIL -
R-93A, Arndt. 3. Available in 6 sizes, rated
from 1/10 watt to .4 watt. /" diameter by
3¡e' long to %" diameter by %" long. Resistance
values to 3 megohms. Tolerances from
1% to 0.05 %.
HIGH
QUALITY
RESISTORS FOR
ELECTRONICS
Wire Wound Precision
Meter Multiplier Resistors
Type MFA and MFB High Voltage Wire Wound
Resistors are Hermetically Sealed in glazed
steatite tubes with ferrule ends for maximum
protection against all adverse environmental
conditions. Fully meet all requirements of
JAN -R-29. Special multi -section winding insures
greatest safety factor due to low voltage
gradient between sections. Standard resistors
up to 6 megohms, 6 KV, 0.5% tolerance.
Higher resistance and closer tolerances available.
MFA 9 -25/32 inches long x 1%, inches
diameter. MFB 5%, inches long x 1%, inches
diameter.
.. se ..0111
srs
v
`
i r MYay Life,
eK
Encapsulated Precision
Wire Wound Resistors
RPC Type L Encapsulated Resistors will withstand
temperature and humidity cycling, salt
water immersion and extremes of altitude, humidity,
corrosion and shock without electrical
or mechanical deterioration. Type I. resistors
are available in many sizes and styles ranging
from sub -miniature to standard with lug
terminals, axial or radial wire leads. Available
for operation at 105° C. or 125° C. ambient
temperatures. These resistors will meet
all applicable requirements of MIL -R-93A,
Arndt. 3. Type L can be furnished with all resistance
alloys and resistance tolerances from
1% to .02%.
Wire Wound Precision Resistors
Type A Precision Resistors are widely used for
all general requirements. They are available
in a wide variety of sizes, styles and terminal
types. They can be furnished with all resistance
alloys in tolerances from 1% to .02 %.
Type A will meet the requirements of MIL -R-
93A, Arndt. 2, Characteristic B. Special winding
techniques, impregnation and thermal
aging result in resistors of exceptional stability.
Matched resistors, networks and special
assemblies can be supplied.
RPC is a widely recognized
supplier of high quality resistors
to industry, Government Agencies
and the Armed Forces.
Advanced production methods,
modern equipment and scientific
skill enables RPC to manufacture
resistors of highest
quality in large quantities at
reasonable cost. Modern manufacturing
plant is completely
air conditioned and equipped
with electronic dust precipitators
to insure highest pro-
duction accuracy. RPC resistors
are specified for use in instruments,
electronic computers,
radiation equipment, aircraft
equipment and scientific instruments.
Test equipment and standards
for checking and calibrating
are equalled by only a
few of this country's outstand-
ing laboratories. Our ability
to produce resistors of highest
quality coupled with prompt
delivery have established RPC
as a leading manufacturer of
resistors. Small or large orders
are promptly filled.
Representatives in principal
cities. For full information send
for latest catalog.
High Voltage Resistors
Type B Resistors are stable compact units for
use up to 40 KV. These resistors are used for
VT voltmeter multipliers, high resistance voltage
dividers, bleeders, high resistance standards
and in radiation equipment. They can
be furnished in resistance to 100,000 megohms.
Available as tapped resistors and matched
pairs. Sizes range from a 1 watt resistor 1 inch
long x f inch diameter rated at 3500 volts,
to a 10 watt resistor 614 inches long x %, inch
diameter rated at 40 KV. Low temperature
and voltage coefficients. Standard resistance
tolerance 15 %. Tolerances of 10 %, 5% and
3% available. Tolerance of 2% available in
matched pairs.
High Megohm Resistors
Type H Resistors are used in electrometer circuits,
radiation equipment and as high resistance
standards. Resistance available to 100
million megohms. (101° ohms). For utmost stability
under adverse conditions Type HSD and
HSK Hermetically Sealed are recommended.
Eight sizes from % inch to 3 inches long are
available. Voltage rating to 15,000 volts. Low
temperature and voltage coefficients. Standard
resistance tolerance 10 %. Tolerance of
5% and 3% available. Also matched pairs
2% tolerance.
RESISTANCE PRODUCTS CO
914 S. 13th Street
HARRISBURG, PA.
158 For product information, use inquiry card on pages 209 -210.
Tele -Tech & ELECTRONIC INDUSTRIES June 1956