Bourns, Inc. Fixed Inductors SDR1045-4R5M

4.5µH Unshielded Wirewound Inductor 4.2A 33mOhm Max Nonstandard

Win Source Part Number: 1274618-SDR1045-4R5M
Category: Inductors, Coils, Chokes>Fixed Inductors
Series: SDR1045
Type: Drum Core, Wirewound
Package: Tape & Reel (TR)
Shielding: Unshielded
Inductance: 4.5 µH
Height - Seated (Max): 0.189" (4.80mm)
Standard Package: 700
Mounting: SMD (SMT)
Tolerance: ±20%
Material - Core: Ferrite
Q @ Freq: 25 @ 7.96MHz
Frequency - Self Resonant: 44.2MHz
Package / Case: Nonstandard
DC Resistance (DCR): 33mOhm Max
Temperature Range - Operating: -40°C ~ 125°C
Dimension: 0.394" L x 0.394" W (10.00mm x 10.00mm)
ECCN: EAR99
Fake Threat In the Open Market: 54 pct.
MSL Level: 1 (Unlimited)
Current Rating (Amps): 4.2 A
Inductance Frequency - Test: 100 kHz
REACH Status: REACH Unaffected
HTSUS: 8504.50.4000
Mfr: Bourns Inc.
Base Product Number: SDR1045
Current - Saturation (Isat): 5.2A

FIXED IND 4.5UH 4.2A 33 MOHM SMD Product overview: SDR1045-4R5M from Bourns, Inc. is an Inductor and Choke for power conversion, EMI filtering, RF circuits, signal conditioning, and energy storage in switching supplies. 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, 4.5UH, 4.2A, 33 MOHM. Search-friendly keywords include inductor, choke, ferrite bead, power conversion, EMI, SMD, 4.5UH, 4.2A, 33 MOHM, Inductor and Choke. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 71-SDR1045-4R5M can be used for catalog matching and distributor lookup.