MIL-PRF-26 Resistors, Fixed, Wire Wound \(Power Type\) General Specification ForThis specification covers the general requirements for power type, wirewound, fixed resistors for use in electrical, communications, and associated equipment. Included are general purpose styles of 5 percent initial resistance tolerance, with power ratings ranging from 3 watts to 240 watts at 25 Degrees C, derated to 0 power at 350 Degrees C \(characteristics N and V\) and precision axial lead types of .1\(B\) percent, .5 \(D\)percent, and 1 \(F\) percent initial resistance tolerances with power ratings ranging from 1 watt to 10 watts at 25 Degrees C, derated to 0 power at 250 degrees C \(characteristic U\).

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MIL-PRF-26H

Minimum and maximum resistance values are as specified in each specification sheet. The standard values for

every decade should follow the sequence demonstrated for the "10 to 100" decade in accordance with table I.

1.2.1.4 Resistance tolerance. The resistance tolerance, when applicable, is identified by a single letter in

accordance with the applicable specification sheet (see 3.1).

1.2.2 Power ratings. The nominal power ratings for the various styles and characteristics are as specified

2. APPLICABLE DOCUMENTS

2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This

section does not include documents cited in other sections of this specification or recommended for additional

information or as examples. While every effort has been made to ensure the completeness of this list, document

users are cautioned that they must meet all specified requirements documents cited in sections 3 and 4 of this

specification, whether or not they are listed.

2.2 Government documents.

2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a

part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are

those cited in the solicitation or contract (see 6.2).

DEPARTMENT OF DEFENSE SPECIFICATION

Resistors, Fixed, Wire wound (Power Type), Styles RW20, RW21,

RW22, RW23, and RW24.

Resistors, Fixed, Wire wound (Power Type), Styles RW29, RW30,

RW31, RW32, RW33, RW34, RW35, RW36, RW37 RW38, RW39 and

RW47.

Resistors, Fixed, Wire wound (Power Type), Styles RW55, RW56,

RW67, RW68, and RW69.

Resistors, Fixed, Wire wound (Power Type), Styles RW70, RW74,

RW78, and RW79.

Resistors, Fixed, Wire wound (Power Type), Styles RW80, and RW81.

Resistors, Fixed, Wire-wound, Power Type Nonestablished Reliability,

Established Reliability, and Space Level General Specification for.

DEPARTMENT OF DEFENSE STANDARDS

Tests Methods for Electronic and Electrical Components Parts.

(Copies of these documents are available online at https://assist.daps.dla.mil/quicksearch/ or

https://assist.daps.dla.mil or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D,

Philadelphia, PA 19111-5094).