MIL-E-1-175 Electron Tube, Receiving Type 5902

Pages 1 - 2 - 3 - 4 - 5

MIL-E-1/175K

NOTES:

1. See "Reduced pressure (altitude) rating", and altitude, maximum peak voltage in the basic document.

2. This test to be performed at the conclusion of the holding period.

3. Prior to this test, the tube shall be preheated a minimum of 5 minutes at the conditions specified below. The

3-minute test is not permitted. Test at preheat conditions within 3 seconds after preheating. Total grid current (2)

shall be the last test performed on the sample selected for the total grid current (2) test.

Ec1

Ec2

Ec3

Rg1

MegΩ

V dc

Ohms

7.5

100

220

0.47

4. Envelope temperature (TE) requirements, when measured in accordance with the temperature by conduction-

band measurement (MIL-STD-1311, method 1226), will be satisfied if a tube having bogey IB (+5 percent) under

normal test conditions, is determined to operate at or above minimum specified temperature at any position in the

life-test rack.

Reference documents.In addition to MIL-PRF-1 this specification sheet references MIL-STD-1311.

The margins of this specification are marked with vertical lines to indicate where changes from the previous issue

were made. This was done as a convenience only and the Government assumes no liability whatsoever for any

inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document

based on the entire content irrespective of the marginal notations and relationship to the last previous issue.

Custodians:

Preparing activity:

Army - CR

DLA - CC

Navy - EC

Air Force - 85

(Project 5960-2013-024)

DLA - CC

Review activities:

Army - MI

Navy - AS, CG, MC, OS

Air Force - 99

NOTE: The activities listed above were interested in this document as of the date of this document. Since

organizations and responsibilities can change, you should verify the currency of the information above using the

ASSIST Online database at https://assist.dla.mil/.