9T556A1 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

9T556A1: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_width: 1.688 INCHES NOMINAL IN, body_height: 2.281 INCHES NOMINAL IN, body_length: 2.688 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 200.0 HERTZ MINIMUM AND 3.3 KILOHERTZ MAXIMUM SINGLE COMPONENT. This part is cataloged in the U.S.

Government catalog under NSN 5950-00-311-8358, 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

9T556A1

NSN: 5950-00-311-8358
FSC: 5950 — Coils and Transformers
CAGE: 03512 — GENERAL ELECTRIC CO SPECIALTY TRANSFORMER DEPT (USA)

SPECIFICATIONS

body_width	1.688 INCHES NOMINAL IN
body_height	2.281 INCHES NOMINAL IN
body_length	2.688 INCHES NOMINAL IN
inclosure_type	HERMETICALLY SEALED
mounting_method	FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating	200.0 HERTZ MINIMUM AND 3.3 KILOHERTZ MAXIMUM SINGLE COMPONENT
reliability_indicator	NOT ESTABLISHED
mounting_hole_diameter	0.150 INCHES NOMINAL SINGLE GROUP IN
impedance_rating_in_ohms	50.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
winding_shielding_method	INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
winding_operating_current	4.5 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
mounting_facility_quantity	2 SINGLE GROUP
NSN	5950-00-311-8358

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY QUANTITY: 2 SINGLE GROUP

•

INCLOSURE TYPE: HERMETICALLY SEALED

•

MOUNTING METHOD: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP

•

BODY WIDTH: 1.688 INCHES NOMINAL IN

•

BODY HEIGHT: 2.281 INCHES NOMINAL IN

•

MAXIMUM TRANSFORMER POWER RATING: 1.5 DECIBELS SINGLE COMPONENT

•

MOUNTING HOLE DIAMETER: 0.150 INCHES NOMINAL SINGLE GROUP IN

•

WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT

TECHNICAL CHARACTERISTICS

MOUNTING FACILITY QUANTITY	2 SINGLE GROUP
INCLOSURE TYPE	HERMETICALLY SEALED
MOUNTING METHOD	FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
BODY WIDTH	1.688 INCHES NOMINAL IN
BODY HEIGHT	2.281 INCHES NOMINAL IN
MAXIMUM TRANSFORMER POWER RATING	1.5 DECIBELS SINGLE COMPONENT
MOUNTING HOLE DIAMETER	0.150 INCHES NOMINAL SINGLE GROUP IN
WINDING FUNCTION AND QUANTITY	1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
IMPEDANCE RATING IN OHMS	50.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
IMPEDANCE RATING IN OHMS	510.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY

OTHER ITEMS IN FSC 5950 — Coils and Transformers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5950-00-000-0146 5950-00-001-1372 5950-00-001-1386 5950-00-001-1410 5950-00-001-1411 5950-00-001-1412 5950-00-001-1413 5950-00-001-1414

SUBSTITUTES & CROSS-REFERENCES 2

K7870211Reference document

Same NSN cross-reference

Reference document — Secondary reference

30334Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 9T556A1?

9T556A1 is a TRANSFORMER,AUDIO FREQUENCY.

What parts can replace 9T556A1?

There are 2 known substitutes for 9T556A1: K7870211, 30334. Substitute compatibility should be verified for your specific system.

What is the NSN for 9T556A1?

9T556A1 is cataloged in the U.S. Government catalog under NSN 5950-00-311-8358. This indicates validated use in U.S. government and defense supply chains.

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