INCH-POUND
MIL-PRF-1/973E
7 May 2004
SUPERSEDING
MIL-PRF-1/973D
16 December 2002
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBE, RADIATION COUNTER
TYPES 5980 AND 5980A
This specification is approved for use by all Depart-
ments and Agencies of the Department of Defense.
The requirements for acquiring the electron tube described herein
shall consist of this document and the latest issue of MIL-PRF-1.
DESCRIPTION: Halogen-filled, low sensitivity, self-quenching for detection of gamma radiation.
See figures 1 and 1A.
Mounting position: Any.
Weight: .22 ounce, nominal.
ABSOLUTE RATINGS:
Rp
Parameter:
Ebb
TA
°C
Meg
Unit:
V dc
Maximum:
725
75
---
Minimum:
675
-40
---
Test conditions:
700
---
1.0
See footnotes at the end of table I.
_____________________________________________
GENERAL: Qualification - Required. 1/
Marking 2/ 17/ - Tubes sold under service-life guarantee shall be marked with contract number and
with the number of operating hours (500 hours minimum) guaranteed.
Response characteristics 3/
Service-life guarantee (MIL-PRF-1) - With qualifying activity approval manufacturer may provide
service-life guarantee, in lieu of life test. Guaranteed tube operating time shall be 500 hours
minimum.
Comments, sugestions or questions on this document should be addressed to Defense Supply Center Columbus,
ATTN: DSCC-VAT, P.O. Box 3990, Columbus, OH 43216-5000 or e-mailed to TubesFiberOptic@dla.mil. Since
contact information can change, you may want to verify the currency of this address information using the ASSIST
Online database at www.dodssp.daps.mil.
AMSC N/A
FSC 5960
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