PartsTable
Technical Data Sheet

CD4520BK/3A — MICROCIRCUIT,DIGITAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

CD4520BK/3A: MICROCIRCUIT,DIGITAL.

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include features_provided: BURN IN, MIL-STD-883, CLASS B AND EDGE TRIGGERED AND HERMETICALLY SEALED AND RESETTABLE AND SYNCHRONOUS AND W/ENABLE, output_logic_form: COMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC, inclosure_material: CERAMIC, operating_temp_range: -55.0 TO 125.0 CELSIUS DEGC, input_circuit_pattern: DUAL 2 INPUT, inclosure_configuration: FLAT PACK. This part is cataloged in the U.S.

Government catalog under NSN 5962-01-140-9346, 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
CD4520BK/3A
NSN: 5962-01-140-9346
FSC: 5962 — Microcircuits, Electronic
CAGE: C7191 — ADELCO ELEKTRONIK GMBH (DEU)
SPECIFICATIONS
features_providedBURN IN, MIL-STD-883, CLASS B AND EDGE TRIGGERED AND HERMETICALLY SEALED AND RESETTABLE AND SYNCHRONOUS AND W/ENABLE
output_logic_formCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
inclosure_materialCERAMIC
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
input_circuit_patternDUAL 2 INPUT
inclosure_configurationFLAT PACK
NSN5962-01-140-9346
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN CD4520BK/3A MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
•
INPUT CIRCUIT PATTERN: DUAL 2 INPUT
•
INCLOSURE MATERIAL: CERAMIC
•
FEATURES PROVIDED: BURN IN, MIL-STD-883, CLASS B AND EDGE TRIGGERED AND HERMETICALLY SEALED AND RESETTABLE AND SYNCHRONOUS AND W/ENABLE
•
INCLOSURE CONFIGURATION: FLAT PACK
•
OUTPUT LOGIC FORM: COMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
•
OPERATING TEMP RANGE: -55.0 TO 125.0 CELSIUS DEGC
TECHNICAL CHARACTERISTICS
INPUT CIRCUIT PATTERNDUAL 2 INPUT
INCLOSURE MATERIALCERAMIC
FEATURES PROVIDEDBURN IN, MIL-STD-883, CLASS B AND EDGE TRIGGERED AND HERMETICALLY SEALED AND RESETTABLE AND SYNCHRONOUS AND W/ENABLE
INCLOSURE CONFIGURATIONFLAT PACK
OUTPUT LOGIC FORMCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
OPERATING TEMP RANGE-55.0 TO 125.0 CELSIUS DEGC
SUBSTITUTES & CROSS-REFERENCES 2
CD4520BK/3Reference document
Same NSN cross-reference
Reference document — Secondary reference
4-50823-002PReference 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 CD4520BK/3A?
CD4520BK/3A is a MICROCIRCUIT,DIGITAL.
What parts can replace CD4520BK/3A?
There are 2 known substitutes for CD4520BK/3A: CD4520BK/3, 4-50823-002P. Substitute compatibility should be verified for your specific system.
What is the NSN for CD4520BK/3A?
CD4520BK/3A is cataloged in the U.S. Government catalog under NSN 5962-01-140-9346. 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.