The Bourns SRF1280A-470M is a coupled inductor with an inductance value of 47 ¬µH and a tolerance of ¬±20%. It is rated for a maximum RMS current of 2.95 A and a saturation current of 5.28 A. The inductor features a compact case size of 12.5 mm x 12.5 mm x 8 mm and is designed for applications requiring low radiation due to its magnetically shielded construction. It is RoHS compliant and AEC-Q200 qualified, making it suitable for automotive and other high-reliability applications. The operating temperature range is from -40 ¬8C to +125 ¬8C, and it has a maximum DC resistance of 0.0898 Oc. This inductor is packaged in reels of 400 pieces, facilitating easy integration into production processes.
Win Source Part Number: 1274945-SRF1280A-470
Category: Inductors, Coils, Chokes>Arrays, Signal Transformers
Series: SRF1280A
Package: Tape & Reel
Shielding: Shielded
Standard Package: 400
Mounting: SMD (SMT)
Tolerance: ±20%
Ratings: AEC-Q200
Height: 0.315" (8.00mm)
Number of Coils: 2
Inductance - Connected In Series: 188 µH
Inductance - Connected In Parallel: 47 µH
Current Rating - Parallel: 2.95 A
Current Rating - Series: 1.47 A
Current Saturation - Parallel: 5.28 A
Current Saturation - Series: 2.64 A
DC Resistance (DCR) - Parallel: 89.8mOhm Max
DC Resistance (DCR) - Series: 353mOhm Max
Package / Case: Nonstandard
Temperature Range - Operating: -40°C ~ 125°C
Dimension: 0.492" L x 0.492" W (12.50mm x 12.50mm)
ECCN: EAR99
Fake Threat In the Open Market: 51 pct.
MSL Level: 1 (Unlimited)
REACH Status: REACH Unaffected
HTSUS: 8504.50.4000
Mfr: Bourns Inc.
Other Names: SRF1280A-470MDKR,SRF
Base Product Number: SRF1280A
Shielded 2 Coil Inductor Array 188µH Inductance - Connected in Series 47µH Inductance - Connected in Parallel 89.8mOhm Max DC Resistance (DCR) - Parallel 2.95A Nonstandard
Shielded 2 Coil Inductor Array 188µH Inductance - Connected in Series 47µH Inductance - Connected in Parallel 89.8mOhm Max DC Resistance (DCR) - Parallel 2.95A Nonstandard
Shielded 2 Coil Inductor Array 188µH Inductance - Connected in Series 47µH Inductance - Connected in Parallel 89.8mOhm Max DC Resistance (DCR) - Parallel 2.95A Nonstandard
INDUCT ARRAY 2 COIL 47UH SMD Product overview: SRF1280A-470M 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, 47UH. Search-friendly keywords include inductor, choke, ferrite bead, power conversion, EMI, SMD, 47UH, Inductor and Choke, Arrays, Signal Transformers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 73-SRF1280A-470M can be used for catalog matching and distributor lookup.
INDUCTOR, 47UH, 20%, 2.95A, COUPLED; Product Range:SRF1280A Series; Inductance, Parallel:47µH; RMS Current - Parallel:2.95A; Saturation Current - Parallel:5.28A; Coupled Inductor Case:12.5mm x 12.5mm x 8mm; DC Resistance Max - RoHS Compliant: Yes
| Win Source Electronics | DigiKey | ERSAELECTRONICS PTE. LTD. | Newark, An Avnet Company | |
|---|---|---|---|---|
| Product Category | Inductors, Coils, and Chokes | Inductors, Coils, and Chokes | Inductors, Coils, and Chokes | Inductors, Coils, and Chokes |
| Product Number | 1274945-SRF1280A-470M | SRF1280A-470MTR-ND | 73-SRF1280A-470M | 31Y4609 |
| Product Name | Inductors, Coils, Chokes - Arrays, Signal Transformers | Arrays, Signal Transformers | SMD 47UH Inductor and Choke | Inductor, 47Uh, 20%, 2.95A, Coupled; Product Range 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 Technology | Surface Mount | |
| Application | RF Choke | |||
| DCR | 0.0898 ohms | 0.0898 to 0.3530 ohms | ||
| Inductance Tolerance | 20 (+/- %) | 20 (+/- %) |
