Win Source Part Number: 1274811-SDR0503-391K
Category: Inductors, Coils, Chokes>Fixed Inductors
Series: SDR0503
Type: Drum Core, Wirewound
Package: Tape & Reel (TR)
Shielding: Unshielded
Inductance: 390 µH
Height - Seated (Max): 0.130" (3.30mm)
Standard Package: 500
Mounting: SMD (SMT)
Tolerance: ±10%
Material - Core: Ferrite
Q @ Freq: 30 @ 796kHz
Frequency - Self Resonant: 5MHz
Package / Case: Nonstandard
DC Resistance (DCR): 3.7Ohm Max
Temperature Range - Operating: -40°C ~ 125°C
Dimension: 0.197" L x 0.189" W (5.00mm x 4.80mm)
ECCN: EAR99
Fake Threat In the Open Market: 57 pct.
MSL Level: 1 (Unlimited)
Current Rating (Amps): 190 mA
Inductance Frequency - Test: 1 kHz
REACH Status: REACH Unaffected
HTSUS: 8504.50.4000
Mfr: Bourns Inc.
Base Product Number: SDR0503
Current - Saturation (Isat): 240mA
FIXED IND 390UH 190MA 3.7OHM SMD Product overview: SDR0503-391KL 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, 390UH, 190MA, 3.7OHM. Search-friendly keywords include inductor, choke, ferrite bead, power conversion, EMI, SMD, 390UH, 190MA, 3.7OHM, Inductor and Choke. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 71-SDR0503-391KL can be used for catalog matching and distributor lookup.
390µH Unshielded Wirewound Inductor 190mA 3.7Ohm Max Nonstandard
Surface Mount Power Inductor, SDR0503 Series, 390 H, 10%, Unshielded, 3.7 ohm, 190 mA RoHS Compliant: Yes
INDUCTOR, UN-SHIELDED, 390UH, 240MA, SMD, FULL REEL; Inductance:390µH; RMS Current (Irms):190mA; Inductor Construction:Unshiel
| Win Source Electronics | ERSAELECTRONICS PTE. LTD. | DigiKey | Newark, An Avnet Company | Newark, An Avnet Company | |
|---|---|---|---|---|---|
| Product Category | Inductors, Coils, and Chokes | Inductors, Coils, and Chokes | Inductors, Coils, and Chokes | Inductors, Coils, and Chokes | Inductors, Coils, and Chokes |
| Product Number | 1274811-SDR0503-391KL | 71-SDR0503-391KL | SDR0503-391KL-ND | 06X7095 | 61J8084 |
| Product Name | Inductors, Coils, Chokes - Fixed Inductors | SMD 390UH 190MA 3.7OHM Inductor and Choke | Fixed Inductors | Surface Mount Power Inductor, Sdr0503 Series, 390 H, 10%, Unshielded, 3.7 Ohm, 190 Ma Rohs Compliant Bourns | Inductor, Un-Shielded, 390Uh, 240Ma, Smd, Full Reel; Inductance Bourns |
| Operating Temperature | -40 to 125 C (-40 to 257 F) | -40 to 125 C (-40 to 257 F) | -40 to 125 C (-40 to 257 F) | ||
| Mounting Option | Surface Mount Technology | Surface Mount | Surface Mount Technology | Surface Mount Technology | Surface Mount Technology |
| Technology | Standard; Wirewound | Drum Core, Wirewound | |||
| Core Material | Ferrite | Ferrite | Ferrite; Drum Core, Wirewound | ||
| Application | RF Choke |
