PartsTable
Technical Data Sheet
1851-0037 ✓ 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_length: 0.250 INCHES NOMINAL IN, mounting_method: TERMINAL, terminal_length: 1.500 INCHES MINIMUM IN, overall_diameter: 0.352 INCHES NOMINAL IN, special_features: VOLTAGE MINIMUM; JUNCTION PATTERN ARRANGEMENT: NPN, 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 5961-00-932-0593, 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
1851-0037
NSN: 5961-00-932-0593
FSC: 5961
CAGE: 1LQK8 — KEYSIGHT TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
overall_length0.250 INCHES NOMINAL IN
mounting_methodTERMINAL
terminal_length1.500 INCHES MINIMUM IN
overall_diameter0.352 INCHES NOMINAL IN
special_featuresVOLTAGE MINIMUM; JUNCTION PATTERN ARRANGEMENT: NPN
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialGERMANIUM
terminal_circle_diameter0.200 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
power_rating_per_characteristic150.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
current_rating_per_characteristic300.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
NSN5961-00-932-0593
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 1851-0037 MFR OEM TRANSISTOR
KEY FEATURES
TERMINAL CIRCLE DIAMETER: 0.200 INCHES NOMINAL IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 25.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN
MOUNTING METHOD: TERMINAL
CURRENT RATING PER CHARACTERISTIC: 300.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
POWER RATING PER CHARACTERISTIC: 150.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
FEATURES PROVIDED: HERMETICALLY SEALED CASE
TERMINAL LENGTH: 1.500 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL CIRCLE DIAMETER0.200 INCHES NOMINAL IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC25.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN
MOUNTING METHODTERMINAL
CURRENT RATING PER CHARACTERISTIC300.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
POWER RATING PER CHARACTERISTIC150.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
SPECIAL FEATURESVOLTAGE MINIMUM; JUNCTION PATTERN ARRANGEMENT: NPN
FEATURES PROVIDEDHERMETICALLY SEALED CASE
TERMINAL LENGTH1.500 INCHES MINIMUM IN
INTERNAL CONFIGURATIONJUNCTION CONTACT
OVERALL LENGTH0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
5213Interchangeable
interchangeable cross-reference
interchangeable
S2407-607127PC12Interchangeable
interchangeable cross-reference
interchangeable
H6605-376-7713Interchangeable
interchangeable cross-reference
interchangeable
2N1308Interchangeable
interchangeable cross-reference
interchangeable
862620Interchangeable
interchangeable cross-reference
interchangeable
352250010185Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1851-0037?
1851-0037 is a TRANSISTOR.
What parts can replace 1851-0037?
There are 8 known substitutes for 1851-0037: 5213, S2407-607127PC12, H6605-376-7713 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1851-0037?
1851-0037 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-932-0593. This indicates validated use in U.S. government and defense supply chains.
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