Part Number
Part Number:
NSN:
NIIN:
Item Name:
CRYSTAL UNIT , QUARTZ
Definition:
AN ITEM WHICH CONSISTS OF A QUARTZ CRYSTAL RESONATOR(S), SUITABLY MOUNTED IN A HOLDER, QUARTZ CRYSTAL.
CAGE Information
| Code | Company |
|---|---|
| 21821 | VALPEY-FISHER CORPORATION |
Federal Supply Class
Title
OSCILLATORS AND PIEZOELECTRIC CR
Inclusions:
INCLUDES CRYSTAL UNITS, PROCESSED UNMOUNTED CRYSTALS, CRYSTAL CONTROLLED OSCILLATORS AND NONCRYSTAL CONTROLLED OSCILLATORS
Exclusions:
EXCLUDES CRYSTAL CONTROLLED OSCILLATORS AND NONCRYSTAL CONTROLLED OSCILLATORS WHICH MEET THE DEFINITION OF THE TERM "ELECTRONIC MODULE" AS DEFINED FOR FSC 5963 AND MICROCIRCUITS
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ADPR | BODY THICKNESS | 0.285 INCHES MAXIMUM |
| AFGA | OPERATING TEMP RANGE | -55.0/+125.0 DEG CELSIUS |
| AEHC | MODE OF OSCILLATION | FUNDAMENTAL |
| ADUM | OVERALL THICKNESS | 0.335 INCHES MAXIMUM |
| ADAT | BODY WIDTH | 0.700 INCHES MAXIMUM |
| ABMK | OVERALL WIDTH | 0.735 INCHES MAXIMUM |
| CQYL | DRIVE LEVEL RATING | 0.5 MILLIWATTS NOMINAL |
| AEHG | SPECIFIED FREQUENCY | 21.400 MEGAHERTZ |
| STYL | STYLE DESIGNATOR | OVAL BODY, WIRE LEADS |
| ABHP | OVERALL LENGTH | 0.775 INCHES MAXIMUM |
| ABJT | TERMINAL LENGTH | 1.500 INCHES NOMINAL |
| AEBT | TERMINAL DIAMETER | 0.029 INCHES MINIMUM AND 0.032 INCHES MAXIMUM |
| AEHS | HOLDER COVER MATERIAL | METAL |
| CQBK | CENTER TO CENTER DISTANCE BETWEEN TERMINALS | 0.486 NOMINAL INCHES |
| AEHD | CIRCUIT RESONANCE | ANTIRESONANCE |
| CRMP | EQUIVALENT RESISTANCE VALUE IN OHMS | 30.0 MAXIMUM |