PartsTable
Technical Data Sheet
LD1-138 ✓ 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 SEMICONDUCTOR DEVICES,UNITIZED is a the manufacturer industrial component. Key specifications include overall_length: 0.150 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN, transfer_ratio: 50.0 NOMINAL STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER ALL TRANSISTOR, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM IN, overall_diameter: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN, special_features: MATCHED PAIR FOR OSCILLATOR AND AMPLIFIER CIRCUITS.; TRANSISTOR JUNCTION PATTERN ARRANGEMENT: NPN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-238-3663, 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
LD1-138
NSN: 5961-00-238-3663
FSC: 5961
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
overall_length0.150 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
transfer_ratio50.0 NOMINAL STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER ALL TRANSISTOR
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
special_featuresMATCHED PAIR FOR OSCILLATOR AND AMPLIFIER CIRCUITS.; TRANSISTOR JUNCTION PATTERN ARRANGEMENT: NPN
features_providedHERMETICALLY SEALED CASE
semiconductor_materialSILICON ALL TRANSISTOR
terminal_circle_diameter0.200 INCHES NOMINAL IN
terminal_type_and_quantity6 UNINSULATED WIRE LEAD
component_name_and_quantity2 TRANSISTOR
power_rating_per_characteristic600.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION ALL TRANSISTOR
NSN5961-00-238-3663
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 LD1-138 MFR OEM SEMICONDUCTOR DEVICES,UNITIZED
KEY FEATURES
TERMINAL CIRCLE DIAMETER: 0.200 INCHES NOMINAL IN
TERMINAL LENGTH: 0.500 INCHES MINIMUM IN
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATION: TO-99
OVERALL DIAMETER: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
FEATURES PROVIDED: HERMETICALLY SEALED CASE
COMPONENT NAME AND QUANTITY: 2 TRANSISTOR
MOUNTING METHOD: TERMINAL
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL CIRCLE DIAMETER0.200 INCHES NOMINAL IN
TERMINAL LENGTH0.500 INCHES MINIMUM IN
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATIONTO-99
OVERALL DIAMETER0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
FEATURES PROVIDEDHERMETICALLY SEALED CASE
COMPONENT NAME AND QUANTITY2 TRANSISTOR
MOUNTING METHODTERMINAL
OVERALL LENGTH0.150 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
CURRENT RATING PER CHARACTERISTIC50.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC ALL TRANSISTOR
POWER RATING PER CHARACTERISTIC600.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION ALL TRANSISTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
710003-126Interchangeable
interchangeable cross-reference
interchangeable
SA-266-1Interchangeable
interchangeable cross-reference
interchangeable
5935PL0835176Interchangeable
interchangeable cross-reference
interchangeable
710003-127Interchangeable
interchangeable cross-reference
interchangeable
7610001P075Interchangeable
interchangeable cross-reference
interchangeable
MD918AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LD1-138?
LD1-138 is a SEMICONDUCTOR DEVICES,UNITIZED.
What parts can replace LD1-138?
There are 27 known substitutes for LD1-138: 710003-126, SA-266-1, 5935PL0835176 and 24 more. Substitute compatibility should be verified for your specific system.
Is LD1-138 still available?
LD1-138 is currently cancelled.
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