The Win Source Electronics part number 1273669-SRR0905-121K is a shielded surface mount fixed inductor with an inductance value of 120 ¬µH and a tolerance of ¬±10%. It features a maximum DC resistance of 370 mOc and is rated for a current of 630 mA. The inductor operates effectively within a temperature range of -40 ¬8C to +125 ¬8C. It has a self-resonant frequency of 7 MHz and a quality factor (Q) of 31 at a test frequency of 796 kHz. The component is packaged in tape and reel format, with 800 pieces per reel, making it suitable for automated assembly processes. The core material is ferrite, and the inductor is compliant with RoHS regulations. This product is designed for applications in power supplies and DC/DC converters, particularly in portable communication equipment and consumer electronics.
120µH Shielded Wirewound Inductor 630mA 370mOhm Max Nonstandard
Win Source Part Number: 1273669-SRR0905-121K
Category: Inductors, Coils, Chokes>Fixed Inductors
Series: SRR0905
Type: Drum Core, Wirewound
Package: Tape & Reel (TR)
Shielding: Shielded
Inductance: 120 µH
Height - Seated (Max): 0.189" (4.80mm)
Standard Package: 800
Mounting: SMD (SMT)
Tolerance: ±10%
Material - Core: Ferrite
Q @ Freq: 31 @ 796kHz
Frequency - Self Resonant: 7MHz
Package / Case: Nonstandard
DC Resistance (DCR): 370mOhm Max
Temperature Range - Operating: -40°C ~ 125°C
Dimension: 0.390" Dia (9.90mm)
ECCN: EAR99
Fake Threat In the Open Market: 48 pct.
MSL Level: 1 (Unlimited)
Current Rating (Amps): 630 mA
Inductance Frequency - Test: 100 kHz
REACH Status: REACH Unaffected
HTSUS: 8504.50.4000
Mfr: Bourns Inc.
Other Names: -SRR0905-121KCT,SRR0
Base Product Number: SRR0905
FIXED IND 120UH 630MA 370MOHM SM Product overview: SRR0905-121K 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 120UH, 630MA, 370MOHM. Search-friendly keywords include inductor, choke, ferrite bead, power conversion, EMI, 120UH, 630MA, 370MOHM, Inductor and Choke, Fixed Inductors. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 71-SRR0905-121K can be used for catalog matching and distributor lookup.
| DigiKey | Win Source Electronics | ERSAELECTRONICS PTE. LTD. | |
|---|---|---|---|
| Product Category | Inductors, Coils, and Chokes | Inductors, Coils, and Chokes | Inductors, Coils, and Chokes |
| Product Number | SRR0905-121KTR-ND | 1273669-SRR0905-121K | 71-SRR0905-121K |
| Product Name | Fixed Inductors | Inductors, Coils, Chokes - Fixed Inductors | 120UH 630MA 370MOHM Inductor and Choke |
| 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 Technology | Surface Mount |
| Core Material | Ferrite; Drum Core, Wirewound | Ferrite | Ferrite |
| Configuration | Fixed | Fixed | |
| Inductance Tolerance | 10 (+/- %) | 10 (+/- %) |