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DST 4-20 — Technical Data Sheet

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— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include overall_width: 1.312 INCHES NOMINAL IN, inclosure_type: OPEN, overall_height: 1.312 INCHES NOMINAL IN, overall_length: 1.625 INCHES NOMINAL IN, mounting_method: PLUG-IN SINGLE GROUP, frequency_rating: 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5950-01-310-9369, 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
DST 4-20
NSN: 5950-01-310-9369
FSC: 5950
CAGE: 08779 — SIGNAL TRANSFORMER CO INC (USA)
SPECIFICATIONS
overall_width1.312 INCHES NOMINAL IN
inclosure_typeOPEN
overall_height1.312 INCHES NOMINAL IN
overall_length1.625 INCHES NOMINAL IN
mounting_methodPLUG-IN SINGLE GROUP
frequency_rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
special_featuresSERIES PRIMARY VOLTS 230 WITH CENTER TAP; SERIES SECONDARY VOLTS 20 WITH CENTER TAP
reliability_indicatorNOT ESTABLISHED
maximum_operating_temp130.0 CELSIUS DEGC
winding_operating_current0.6 AMPERES AC NOMINAL SINGLE COMPONENT ALL SECONDARY
winding_operating_voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
terminal_type_and_quantity8 PIN
NSN5950-01-310-9369
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN DST 4-20 MFR TRANSFORMER,POWER
KEY FEATURES
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
TERMINAL TYPE AND QUANTITY: 8 PIN
•
WINDING FUNCTION AND QUANTITY: 2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
•
WINDING OPERATING VOLTAGE: 10.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
•
INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
•
MOUNTING METHOD: PLUG-IN SINGLE GROUP
TECHNICAL CHARACTERISTICS
RELIABILITY INDICATORNOT ESTABLISHED
OVERALL WIDTH1.312 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY8 PIN
WINDING FUNCTION AND QUANTITY2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
WINDING OPERATING VOLTAGE10.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
MOUNTING METHODPLUG-IN SINGLE GROUP
SPECIAL FEATURESSERIES PRIMARY VOLTS 230 WITH CENTER TAP; SERIES SECONDARY VOLTS 20 WITH CENTER TAP
MAXIMUM TRANSFORMER POWER RATING6.0 VOLT-AMPERE SINGLE COMPONENT
WINDING OPERATING VOLTAGE115.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
FFB171InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5X48InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
22IR35InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
43303InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
139C581H01InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
47930InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DST 4-20?
DST 4-20 is a TRANSFORMER,POWER.
What parts can replace DST 4-20?
There are 8 known substitutes for DST 4-20: FFB171, 5X48, 22IR35 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DST 4-20?
DST 4-20 is cataloged in the Federal Logistics Information System under NSN 5950-01-310-9369. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: October 2026