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Technical Data Sheet
2N4037 ✓ 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 RESISTOR,FIXED,COMPOSITION is a the manufacturer industrial component. Key specifications include overall_length: 0.260 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 1.500 INCHES MINIMUM IN, overall_diameter: 0.370 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: PNP; WEAPON SYSTEM ESSENTIAL, features_provided: HERMETICALLY SEALED CASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-979-0108, 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
2N4037
NSN: 5961-00-979-0108
FSC: 5961
CAGE: 12045 — ELECTRONIC TRANSISTORS CORP (USA)
SPECIFICATIONS
overall_length0.260 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length1.500 INCHES MINIMUM IN
overall_diameter0.370 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: PNP; WEAPON SYSTEM ESSENTIAL
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
terminal_circle_diameter0.200 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
specification/standard_data80131-RELEASE5205 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
criticality_code_justificationFEAT
NSN5961-00-979-0108
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 2N4037 MFR OEM RESISTOR,FIXED,COMPOSITION
KEY FEATURES
OVERALL DIAMETER: 0.370 INCHES MAXIMUM IN
TERMINAL LENGTH: 1.500 INCHES MINIMUM IN
SEMICONDUCTOR MATERIAL: SILICON
CRITICALITY CODE JUSTIFICATION: FEAT
TERMINAL CIRCLE DIAMETER: 0.200 INCHES NOMINAL IN
POWER RATING PER CHARACTERISTIC: 1.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
CURRENT RATING PER CHARACTERISTIC: 500.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
ELECTRODE INTERNALLY-ELECTRICALLY CONNECTED TO CASE: COLLECTOR
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.370 INCHES MAXIMUM IN
TERMINAL LENGTH1.500 INCHES MINIMUM IN
SEMICONDUCTOR MATERIALSILICON
CRITICALITY CODE JUSTIFICATIONFEAT
TERMINAL CIRCLE DIAMETER0.200 INCHES NOMINAL IN
POWER RATING PER CHARACTERISTIC1.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
CURRENT RATING PER CHARACTERISTIC500.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
ELECTRODE INTERNALLY-ELECTRICALLY CONNECTED TO CASECOLLECTOR
SPECIFICATION/STANDARD DATA80131-RELEASE5205 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 7.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
4746440-9Interchangeable
interchangeable cross-reference
interchangeable
25-100DCP12667Interchangeable
interchangeable cross-reference
interchangeable
1907215Interchangeable
interchangeable cross-reference
interchangeable
STC5651Interchangeable
interchangeable cross-reference
interchangeable
RELEASE5205Interchangeable
interchangeable cross-reference
interchangeable
3-30106Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N4037?
2N4037 is a RESISTOR,FIXED,COMPOSITION.
What parts can replace 2N4037?
There are 13 known substitutes for 2N4037: 4746440-9, 25-100DCP12667, 1907215 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2N4037?
2N4037 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-979-0108. This indicates validated use in U.S. government and defense supply chains.
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