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Technical Data Sheet
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0453.125 — FUSE,FAST ACTING

✓ Government record, cited
— · WIRE CABLE
PRODUCT OVERVIEW

0453.125: FUSE,FAST ACTING.

The FUSE,FAST ACTING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 6145-01-654-7718, 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
0453.125
NSN: 6145-01-654-7718
FSC: 6145 — Wire and Cable, Electrical
CAGE: 75915 — LITTELFUSE, INC. (USA)
SPECIFICATIONS
Part Number0453.125
NSN6145-01-654-7718
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 0453.125 · OEM ⚠ VERIFY BEFORE ORDERING Ampacity depends on installation method — conduit ≠ free air ≠ underground. Same wire, different ratings. AWG sizing is inverse — smaller number = thicker wire (4 AWG > 12 AWG) ✓ BROKER TIP Stranded = flexible routing and vibration resistance. Solid = fixed conduit runs only. THHN/THWN = dual rated — check both dry and wet ampacity tables PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
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SUPPLEMENTARY FEATURES: AMPERE RATING 0.125; BODY: CERAMIC; INTERRUPTING RATING 300A@32VDC; MIN OPERATING TEMP C: -55; MAX OPERATING TEMP C: 125; OHMS: 1.7; OPENING: VERY FAST-ACTING(FF); VAC: 125; VDC: 125; WIRE-IN-AIR(WIA) SQUARE SHAPE SURFACE MOUNT FUSE WHICH IS DESIGNED FOR PCB USING SURFACE MOUNT TECHNOLOGY. VDC
TECHNICAL CHARACTERISTICS
SUPPLEMENTARY FEATURESAMPERE RATING 0.125; BODY: CERAMIC; INTERRUPTING RATING 300A@32VDC; MIN OPERATING TEMP C: -55; MAX OPERATING TEMP C: 125; OHMS: 1.7; OPENING: VERY FAST-ACTING(FF); VAC: 125; VDC: 125; WIRE-IN-AIR(WIA) SQUARE SHAPE SURFACE MOUNT FUSE WHICH IS DESIGNED FOR PCB USING SURFACE MOUNT TECHNOLOGY. VDC
OTHER ITEMS IN FSC 6145 — Wire and Cable, Electrical
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6145-00-000-0090 6145-00-000-0095 6145-00-001-1281 6145-00-001-3002 6145-00-001-4504 6145-00-001-5158 6145-00-001-5159 6145-00-001-5160
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 0453.125?
0453.125 is a FUSE,FAST ACTING.
What is the NSN for 0453.125?
0453.125 is cataloged in the U.S. Government catalog under NSN 6145-01-654-7718. This indicates validated use in U.S. government and defense supply chains.
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