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Technical Data Sheet
2N6543 ✓ Verified by PartsTable
· SFP TRANSCEIVER
WHAT YOU NEED TO KNOW
SR = Short Range (multimode, 300m) | LR = Long Range (single-mode, 10km) DOM = Digital Optical Monitoring — most enterprise SFPs support it
MATCH ALL THREE: Speed + Wavelength + Brand compatibility
PRODUCT OVERVIEW

The TRANSISTOR is a the manufacturer industrial component. Key specifications include overall_width: 1.050 INCHES MAXIMUM IN, overall_height: 0.250 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN, overall_length: 1.573 INCHES MAXIMUM IN, mounting_method: UNTHREADED HOLE(S), special_features: WEAPON SYSTEM ESSENTIAL; JUNCTION PATTERN ARRANGEMENT: NPN, internal_configuration: JUNCTION CONTACT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-074-8421, 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
2N6543
NSN: 5961-01-074-8421
FSC: 5961
CAGE: 5V1P1 — ON SEMICONDUCTOR CORPORATION (USA)
SPECIFICATIONS
overall_width1.050 INCHES MAXIMUM IN
overall_height0.250 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
overall_length1.573 INCHES MAXIMUM IN
mounting_methodUNTHREADED HOLE(S)
special_featuresWEAPON SYSTEM ESSENTIAL; JUNCTION PATTERN ARRANGEMENT: NPN
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
end_item_identificationSUPPORT EQUIPMENT, T-38 AIRCRAFT; SUPPORT EQUIPMENT, T-37 AIRCRAFT; SUPPORT EQUIPMENT, F-16 AIRCRAFT; PAVE PHASED ARRAY WARNING SYS (PAWS)
mounting_facility_quantity2
terminal_type_and_quantity2 PIN AND 1 CASE
specification/standard_data80131-RELEASE6579 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
criticality_code_justificationFEAT
NSN5961-01-074-8421
COMPONENT DIAGRAM
BAIL LATCH 10G SFP+ 850nm · SR (MMF, 300m) DOM: Digital Optical Monitoring TX RX LC DUPLEX 20-PIN EDGE CONNECTOR ~56.5 mm ~13.4mm SFP+ TRANSCEIVER | 10G | 850nm | SR (MMF, 300m) Hot-swappable | LC duplex fiber | DDM/DOM supported TITLE SFP+ XCVR PN 2N6543 MFR OEM TRANSISTOR
KEY FEATURES
SPECIFICATION/STANDARD DATA: 80131-RELEASE6579 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
ELECTRODE INTERNALLY-ELECTRICALLY CONNECTED TO CASE: COLLECTOR
MOUNTING FACILITY QUANTITY: 2
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 200.0 CELSIUS JUNCTION DEGC
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 850.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 400.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA80131-RELEASE6579 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
OVERALL HEIGHT0.250 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
OVERALL WIDTH1.050 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONSUPPORT EQUIPMENT, T-38 AIRCRAFT; SUPPORT EQUIPMENT, T-37 AIRCRAFT; SUPPORT EQUIPMENT, F-16 AIRCRAFT; PAVE PHASED ARRAY WARNING SYS (PAWS)
ELECTRODE INTERNALLY-ELECTRICALLY CONNECTED TO CASECOLLECTOR
MOUNTING FACILITY QUANTITY2
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT200.0 CELSIUS JUNCTION DEGC
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC850.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 400.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL; JUNCTION PATTERN ARRANGEMENT: NPN
MOUNTING METHODUNTHREADED HOLE(S)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
2N6547Interchangeable
interchangeable cross-reference
interchangeable
RELEASE6578Interchangeable
interchangeable cross-reference
interchangeable
2N6546Interchangeable
interchangeable cross-reference
interchangeable
167372-4Interchangeable
interchangeable cross-reference
interchangeable
102A802P2Interchangeable
interchangeable cross-reference
interchangeable
111016-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N6543?
2N6543 is a TRANSISTOR.
What parts can replace 2N6543?
There are 7 known substitutes for 2N6543: 2N6547, RELEASE6578, 2N6546 and 4 more. Substitute compatibility should be verified for your specific system.
Is 2N6543 still available?
2N6543 is currently cancelled.
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