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Technical Data Sheet
E2021 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RELAY,THERMAL is a the manufacturer industrial component. Key specifications include overall_length: 3.250 INCHES MAXIMUM IN, overall_diameter: 1.275 INCHES MAXIMUM IN, contact_arrangement: SINGLE POLE, SINGLE THROW, NORMALLY OPEN, delay_time_in_seconds: 120.0 FIXED OPERATE MINIMUM AND 180.0 FIXED OPERATE MAXIMUM, terminal_type_and_quantity: 8 PIN, heater_power_rating_in_watts: 5.0. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-487-7966, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
E2021
NSN: 5945-00-487-7966
FSC: 5945
CAGE: 82229 — THERMAL CONTROLS DIV OF MAGNETIC WINDINGS CO (USA)
SPECIFICATIONS
overall_length3.250 INCHES MAXIMUM IN
overall_diameter1.275 INCHES MAXIMUM IN
contact_arrangementSINGLE POLE, SINGLE THROW, NORMALLY OPEN
delay_time_in_seconds120.0 FIXED OPERATE MINIMUM AND 180.0 FIXED OPERATE MAXIMUM
terminal_type_and_quantity8 PIN
heater_power_rating_in_watts5.0
mounting_facility_type_and_quantity1 OCTAL BASE PLUG-IN
contact_maximum_current_rating_in_amps0.5 DC
NSN5945-00-487-7966
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,THERMAL TITLE COMPONENT PN E2021 MFR RELAY,THERMAL
KEY FEATURES
OVERALL DIAMETER: 1.275 INCHES MAXIMUM IN
HEATER POWER RATING IN WATTS: 5.0
CONTACT MAXIMUM VOLTAGE RATING IN VOLTS: 27.5 DC
HEATER VOLTAGE RATING IN VOLTS: 27.5
CONTACT MAXIMUM CURRENT RATING IN AMPS: 0.5 DC
TERMINAL TYPE AND QUANTITY: 8 PIN
MOUNTING FACILITY TYPE AND QUANTITY: 1 OCTAL BASE PLUG-IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER1.275 INCHES MAXIMUM IN
HEATER POWER RATING IN WATTS5.0
CONTACT MAXIMUM VOLTAGE RATING IN VOLTS27.5 DC
HEATER VOLTAGE RATING IN VOLTS27.5
OVERALL LENGTH3.250 INCHES MAXIMUM IN
CONTACT MAXIMUM CURRENT RATING IN AMPS0.5 DC
TERMINAL TYPE AND QUANTITY8 PIN
MOUNTING FACILITY TYPE AND QUANTITY1 OCTAL BASE PLUG-IN
DELAY TIME IN SECONDS120.0 FIXED OPERATE MINIMUM AND 180.0 FIXED OPERATE MAXIMUM
CONTACT ARRANGEMENTSINGLE POLE, SINGLE THROW, NORMALLY OPEN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
850315Interchangeable
interchangeable cross-reference
interchangeable
14G42Interchangeable
interchangeable cross-reference
interchangeable
136960HInterchangeable
interchangeable cross-reference
interchangeable
501B1797Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E2021?
E2021 is a RELAY,THERMAL.
What parts can replace E2021?
There are 4 known substitutes for E2021: 850315, 14G42, 136960H and 1 more. Substitute compatibility should be verified for your specific system.
Is E2021 still available?
E2021 is currently cancelled.
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