Win Source Part Number: 1274957-SRF1280-821M
Category: Inductors, Coils, Chokes>Arrays, Signal Transformers
Series: SRF1280
Package: Tape & Reel
Shielding: Shielded
Standard Package: 400
Mounting: SMD (SMT)
Tolerance: ±20%
Height: 0.315" (8.00mm)
Number of Coils: 2
Inductance - Connected In Series: 3.28 mH
Inductance - Connected In Parallel: 820 µH
Current Rating - Parallel: 650 mA
Current Rating - Series: 325 mA
Current Saturation - Parallel: 1.27 A
Current Saturation - Series: 633 mA
DC Resistance (DCR) - Parallel: 1.632Ohm Max
DC Resistance (DCR) - Series: 5.896Ohm 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: 53 pct.
MSL Level: 1 (Unlimited)
REACH Status: REACH Unaffected
HTSUS: 8504.50.4000
Mfr: Bourns Inc.
Other Names: SRF1280-821MTR,SRF12
Base Product Number: SRF1280
Shielded 2 Coil Inductor Array 3.28mH Inductance - Connected in Series 820µH Inductance - Connected in Parallel 1.632Ohm Max DC Resistance (DCR) - Parallel 650mA Nonstandard
Shielded 2 Coil Inductor Array 3.28mH Inductance - Connected in Series 820µH Inductance - Connected in Parallel 1.632Ohm Max DC Resistance (DCR) - Parallel 650mA Nonstandard
Shielded 2 Coil Inductor Array 3.28mH Inductance - Connected in Series 820µH Inductance - Connected in Parallel 1.632Ohm Max DC Resistance (DCR) - Parallel 650mA Nonstandard
INDUCT ARRAY 2 COIL 820UH SMD Product overview: SRF1280-821M 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, 820UH. Search-friendly keywords include inductor, choke, ferrite bead, power conversion, EMI, SMD, 820UH, 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-SRF1280-821M can be used for catalog matching and distributor lookup.
POWER INDUCTOR, 820UH, 650MA, 20%; Product Range:SRF1280 Series; Inductance, Parallel:820µH; RMS Current, Parallel:650mA; Saturation Current, Parallel:1.27A; DC Resistance Max, Parallel:1.632ohm; Product Length:12.5mm RoHS Compliant: Yes
INDUCTOR, DUAL, 820UH PARA., POWER; Product Range:SRF1280 Series; Inductance, Parallel:820µH; RMS Current - Parallel:650mA; Saturation Current - Parallel:1.27A; 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 | 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 | 1274957-SRF1280-821M | 118-SRF1280-821MDKR-ND | 73-SRF1280-821M | 14T1007 | 23T1294 |
| Product Name | Inductors, Coils, Chokes - Arrays, Signal Transformers | Arrays, Signal Transformers | SMD 820UH Inductor and Choke | Power Inductor, 820Uh, 650Ma, 20%; Product Range Bourns | Inductor, Dual, 820Uh Para., Power; 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 | 1.63 ohms | 1.63 to 5.9 ohms | 1.63 ohms | ||
| Inductance Tolerance | 20 (+/- %) | 20 (+/- %) |
