4A 125V PTC Resettable Fuse, SMD, UL/PSE Product overview: 0154004.DR from Littelfuse is a Circuit Protection Fuse for overcurrent protection, power input protection, equipment safety, automotive electronics, and industrial control panels. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include SMD, 4A, 125V. Search-friendly keywords include fuse, circuit protection, overcurrent protection, equipment safety, SMD, 4A, 125V, Circuit Protection Fuse, Fuses. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 139-0154004.DR can be used for catalog matching and distributor lookup.
Manufacturer: Littelfuse Inc.
Win Source Part Number: 1120474-0154004.DR
Series: OMNI-BLOK 154
Packaging: Reel - TR
Operating Temperature Range: -55°C ~ 125°C
Package: 2-SMD, Square End Block with Holder
Current Rating: 4A
Fuse Type: Board Mount (Cartridge Style Excluded)
Voltage Rating - AC: 125V
Voltage Rating - DC: 125V
Response Time: Fast
Breaking Capacity @ Rated Voltage: 50A
Melting I2t: 3.152
Approvals: PSE, UL
Mounting: Holder/Surface Mount
Size: 0.383" L x 0.198" W x 0.150" H (9.73mm x 5.03mm x 3.81mm)
Resistance: 0.016 Ohm
Categories: Circuit Protection
Manufacturer Homepage: www.littelfuse.com
Alternative Parts (Cross-Reference): 0154004.DRT;
Popularity: Medium
Fake Threat In the Open Market: 44 pct.
Supply and Demand Status: Balance
Application Field: Used in Industrial, Safety
Littelfuse 0154004.DR Fuse Block
Littelfuse 0154004.DR Fuse Block
4A 125V AC 125V DC Fuse Board Mount (Cartridge Style Excluded) Holder, Surface Mount 2-SMD, Square End Block with Holder
4A 125V AC 125V DC Fuse Board Mount (Cartridge Style Excluded) Holder, Surface Mount 2-SMD, Square End Block with Holder
4A 125V AC 125V DC Fuse Board Mount (Cartridge Style Excluded) Holder, Surface Mount 2-SMD, Square End Block with Holder
FUSE HOLDER W/ 4A FUSE, FAST ACTING, FULL REEL; PRODUCT RANGE:OMNI-BLOK SERIES; FUSE CURRENT:4A; VOLTAGE RATING VAC:125VAC; VOLTAGE RATING VDC:125VDC; BLOW CHARACTERISTIC:VERY FAST ACTING; FUSE CASE STYLE:SMD; EXTERNAL DEPTH:9.73MM ;ROHS COMPLIANT: YES. FREE 2 YEAR RADWELL WARRANTY
LITTELFUSE Panel Accessories 0154004.DR
FUSE BRD MNT 4A 125VAC/VDC 2SMD
50A SMD Fuse（with Holder） 4A 125V 125V SMD,9.7x5mm Fuses ROHS
FUSE BRD MNT 4A 125VAC/VDC 2SMD
| ERSAELECTRONICS PTE. LTD. | Win Source Electronics | RS Components, Ltd. | RS Components, Ltd. | DigiKey | Radwell International | Utmel Electronic Limited | LCSC Electronics Technology (HK) Limited | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|---|---|---|
| Product Category | Fuses | Fuses | Fuses | Fuses | Fuses | Fuses | Fuses | Fuses | Fuses |
| Product Number | 139-0154004.DR | 1120474-0154004.DR | 2196125 | 2196125P | F1227TR-ND | 21597220 | 461-0154004.DR | 0154004.DR | 0154004.DR |
| Product Name | SMD 4A 125V Circuit Protection Fuse | Fuses - 0154004.DR | Fuse Blocks | Fuse Blocks | Fuses | Fuse | FUSE BRD MNT 4A 125VAC/VDC 2SMD | TVS/Fuse/Board Level Protection >> Fuses | Circuit Protection - Fuses |
| Fuse Material | Thermoplastic | Thermoplastic | Thermoplastic | ||||||
| Approvals / Standards | RoHS | RoHS | RoHS | UL | RoHS; UL | RoHS | |||
| Rated Voltage | 125 volts | 125 volts | 125 volts | 125 volts | 125 volts | 125 volts | |||
| Rated Current | 4 amps | 4 amps | 4 amps | 4 amps | 4 amps | 4 amps |
