Hello. Sign In
Standards Store




MIL-R-12934/20

Validation Notice 1, October 25, 1991

Validation Notice 1 Only

RESISTORS, VARIABLE, WIRE-WOUND, PRECISION, STYLE RR1400



Detail Summary

Superseded By: MIL-PRF-12934/20

EN
Format
Details
Price (USD)
PDF
Single User
$27.00
Print
In Stock
$29.00
PDF + Print
In Stock
$39.20 You save 30%
Add to Cart

Product Details:


Description / Abstract:

This specification covers the detail requirements for style RR1400, variable wire-wound, precision resistors.

The type designation shall be in the following form: CHART

Style RR1400 is applicable to this specification.

The function and shaft length applicable to this specification shall be identified by a single symbol in accordance with table I. TABLE I. Function and shaft length.
Symbol             Shaft length           Function
                  Tolerance ±1/32 (.79)
-----------------------------------------------------

A - - - - - -          ⅜ (9.53)            Linear
B - - - - - -          ½ (12.70)           Linear
C - - - - - -          ⅝ (15.88)           Linear
D - - - - - -          ¾ (19.05)           Linear
E - - - - - -          ⅞ (22.23)           Linear
F - - - - - -          1   (25.40)           Linear




The class applicable to this specification shall be symbols 2 and 3.

The resistance temperature characteristics applicable to this specification are symbols A to H, inclusive.

The rotational life characteristics applicable to this specification are symbols 7, 8 and 9. This potentiometer is capable of operation up to 100 RPM.

The function conformity tolerance and resistance tolerance characteristics applicable to this specification are symbols G to L, inclusive and S to X, inclusive.

The nominal total resistance values applicable to this specification shall be in accordance with table II. TABLE II. Nominal total resistance and nominal resolution characteristics.
Nominal total          Nominal
resistance value       resolution
-------------------------------------
      (ohms)            (Percent)      

        200               .040
        500               .035
      1,000               .03
      2,000               .025
      5,000               .019
     10,000               .016
     20,000               .012
     50,000               .01
    (megohm)
         .1               .008
        1.2               .007