The Win Source Electronics part number 1273677-SRR0905-271K is a fixed inductor from the SRR0905 series, featuring a nominal inductance of 270 ¬µH with a tolerance of ¬±10%. It is designed for surface mount applications and has a maximum height of 4.80 mm. The inductor is shielded and constructed with a ferrite core, utilizing enameled copper wire for winding. It has a DC resistance (DCR) of 870 mOc maximum and a self-resonant frequency of 5 MHz. The component is rated for a maximum current of 410 mA and operates effectively within a temperature range of -40 ¬8C to +125 ¬8C. It is packaged in reels of 800 pieces, making it suitable for automated assembly processes. This inductor is RoHS compliant and meets moisture sensitivity level 1, indicating it is suitable for a variety of electronic applications, including power supplies and DC/DC converters.
270µH Shielded Wirewound Inductor 410mA 870mOhm Max Nonstandard
Win Source Part Number: 1273677-SRR0905-271K
Category: Inductors, Coils, Chokes>Fixed Inductors
Series: SRR0905
Type: Drum Core, Wirewound
Package: Tape & Reel (TR),Cut Tape (CT)
Shielding: Shielded
Inductance: 270 µH
Height - Seated (Max): 0.189" (4.80mm)
Standard Package: 800
Mounting: SMD (SMT)
Tolerance: ±10%
Material - Core: Ferrite
Q @ Freq: 30 @ 796kHz
Frequency - Self Resonant: 5MHz
Package / Case: Nonstandard
DC Resistance (DCR): 870mOhm Max
Temperature Range - Operating: -40°C ~ 125°C
Dimension: 0.390" Dia (9.90mm)
ECCN: EAR99
Fake Threat In the Open Market: 54 pct.
MSL Level: 1 (Unlimited)
Current Rating (Amps): 410 mA
Inductance Frequency - Test: 100 kHz
REACH Status: REACH Unaffected
HTSUS: 8504.50.4000
Mfr: Bourns Inc.
Other Names: SRR0905-271KCT,SRR09
Base Product Number: SRR0905
FIXED IND 270UH 410MA 870MOHM SM Product overview: SRR0905-271K 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 270UH, 410MA, 870MOHM. Search-friendly keywords include inductor, choke, ferrite bead, power conversion, EMI, 270UH, 410MA, 870MOHM, 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-SRR0905-271K 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 | SRR0905-271KTR-ND | 1273677-SRR0905-271K | 71-SRR0905-271K |
| Product Name | Fixed Inductors | Inductors, Coils, Chokes - Fixed Inductors | 270UH 410MA 870MOHM 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 (+/- %) |
