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CD4021BF3A — MICROCIRCUIT,DIGITAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

CD4021BF3A: MICROCIRCUIT,DIGITAL.

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include body_width: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, body_height: 0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, body_length: 0.840 INCHES MAXIMUM IN, overall_height: 0.325 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN, features_provided: ELECTROSTATIC SENSITIVE AND BURN IN AND HERMETICALLY SEALED AND MONOLITHIC, output_logic_form: COMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC. This part is cataloged in the U.S.

Government catalog under NSN 5962-01-098-7421, 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
CD4021BF3A
NSN: 5962-01-098-7421
NIINs: 010987421, 011768291, 011906942, 013136601
FSC: 5962 — Microcircuits, Electronic
CAGE: 01295 — TEXAS INSTRUMENTS INCORPORATED (USA)
SPECIFICATIONS
body_width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
body_height0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
body_length0.840 INCHES MAXIMUM IN
overall_height0.325 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
features_providedELECTROSTATIC SENSITIVE AND BURN IN AND HERMETICALLY SEALED AND MONOLITHIC
output_logic_formCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
inclosure_materialCERAMIC OR GLASS OR METAL
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
test_data_document96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
input_circuit_pattern8 STAGE
end_item_identification5805-01-187-9399 SWITCHBOARD,TELEPHONE AUTOMATIC
NSN5962-01-098-7421
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN CD4021BF3A MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
•
INPUT CIRCUIT PATTERN: 9 INPUT
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INCLOSURE MATERIAL: CERAMIC
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TERMINAL SURFACE TREATMENT: SOLDER
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DESIGN FUNCTION AND QUANTITY: 1 SHIFT REGISTER, STATIC
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BODY WIDTH: 0.240 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
•
BODY HEIGHT: 0.180 INCHES MAXIMUM IN
•
FEATURES PROVIDED: HERMETICALLY SEALED AND MONOLITHIC AND LOW POWER AND ASYNCHRONOUS AND POSITIVE OUTPUTS
•
INCLOSURE CONFIGURATION: DUAL-IN-LINE
TECHNICAL CHARACTERISTICS
INPUT CIRCUIT PATTERN9 INPUT
INCLOSURE MATERIALCERAMIC
TERMINAL SURFACE TREATMENTSOLDER
DESIGN FUNCTION AND QUANTITY1 SHIFT REGISTER, STATIC
BODY WIDTH0.240 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
BODY HEIGHT0.180 INCHES MAXIMUM IN
FEATURES PROVIDEDHERMETICALLY SEALED AND MONOLITHIC AND LOW POWER AND ASYNCHRONOUS AND POSITIVE OUTPUTS
INCLOSURE CONFIGURATIONDUAL-IN-LINE
BODY LENGTH0.750 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
STORAGE TEMP RANGE-65.0 TO 150.0 CELSIUS DEGC
SUBSTITUTES & CROSS-REFERENCES 5
4021BDMQBReference document
Same NSN cross-reference
Reference document — Secondary reference
MC14021BBEBReference document
Same NSN cross-reference
Reference document — Secondary reference
ZD4908/2Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
CD4021BF/3Reference document
Same NSN cross-reference
Reference document — Secondary reference
MC14021BBEBSReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is CD4021BF3A?
CD4021BF3A is a MICROCIRCUIT,DIGITAL.
What parts can replace CD4021BF3A?
There are 5 known substitutes for CD4021BF3A: 4021BDMQB, MC14021BBEB, ZD4908/2 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CD4021BF3A?
CD4021BF3A is cataloged in the U.S. Government catalog under NSN 5962-01-098-7421. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.