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DFE252012P-R68M=P2
Murata Electronics
FIXED IND 680NH 3.5A 0.037OHM SM
4487 Pcs New Original In Stock
680 nH Shielded Drum Core, Wirewound Inductor 3.5 A 37mOhm Max 1008 (2520 Metric) Flat Wire
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5.0 / 5.0
- (162 Ratings)
DFE252012P-R68M=P2
Product Overview
7166314
DiGi Electronics Part Number
DFE252012P-R68M=P2-DGManufacturer
Murata Electronics
DFE252012P-R68M=P2
Description
FIXED IND 680NH 3.5A 0.037OHM SMInventory
4487 Pcs New Original In Stock
680 nH Shielded Drum Core, Wirewound Inductor 3.5 A 37mOhm Max 1008 (2520 Metric) Flat Wire
Quantity
Minimum 1
Minimum 1
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DFE252012P-R68M=P2 Technical Specifications
Category
Fixed Inductors
Packaging
Tape & Reel (TR)
Series
DFE252012P
Product Status
Active
Type
Drum Core, Wirewound
Material - Core
Iron Powder
Inductance
680 nH
Tolerance
±20%
Current Rating (Amps)
3.5 A
Current - Saturation (Isat)
4.8A
Shielding
Shielded
DC Resistance (DCR)
37mOhm Max
Q @ Freq
-
Frequency - Self Resonant
-
Ratings
-
Operating Temperature
-40°C ~ 125°C
Inductance Frequency - Test
1 MHz
Features
Flat Wire
Mounting Type
Surface Mount
Package / Case
1008 (2520 Metric)
Supplier Device Package
2520
Size / Dimension
0.098" L x 0.079" W (2.50mm x 2.00mm)
Height - Seated (Max)
0.047" (1.20mm)
Base Product Number
DFE252012P
Datasheet & Documents
Design Resources
DFE252012P-R68M=P2 SimSurfing Design Tool
HTML Datasheet
DFE252012P-R68M=P2-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8504.50.8000
Additional Information
Other Names
490-10654-2
490-10654-1
490-10654-6
Standard Package
3,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
Service après-vente exceptionnel et livraison ultra rapide, je suis un client fidèle.
December 02, 2025
Bei DiGi Electronics stimmt das Gesamtpaket: Qualität, Service und Kundenorientierung.
December 02, 2025
I appreciate their quick responses and helpful support after purchases.
December 02, 2025
I received my order very quickly, and the support team was responsive and helpful.
December 02, 2025
I value their commitment to offering reasonably priced electronics.
December 02, 2025
DiGi Electronics offers amazing prices, making shopping affordable for everyone.
December 02, 2025
I am grateful for their efforts in keeping costs low while protecting the environment.
December 02, 2025
Delivery was quick, and the packaging ensured no damage occurred.
December 02, 2025
I highly recommend DiGi Electronics for their cost-effective solutions and reliable product handling.
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Frequently Asked Questions (FAQ)
What are the key design risks when using the DFE252012P-R68M=P2 in a high-current DC-DC converter, and how can I mitigate core saturation under transient load conditions?
The DFE252012P-R68M=P2 has a saturation current (Isat) of 4.8A, which is only 1.3A above its rated 3.5A continuous current. In high-current DC-DC converters with fast load transients—such as those powering processors or FPGAs—peak currents can briefly exceed 4.8A, risking core saturation and sudden inductance collapse. To mitigate this, ensure your worst-case peak current stays below 4.8A with adequate margin (e.g., derate to 4.0A max). Consider adding input bulk capacitance or using a controller with soft-start and current limiting. If your design routinely exceeds 4.0A peaks, evaluate alternatives like the TDK VLS5040EX-681M (680nH, 5.2A Isat) for higher saturation headroom.
Can I replace the DFE252012P-R68M=P2 with a similar-sized 680nH inductor from another manufacturer, such as the Bourns SRN2520TA-680M, without redesigning my PCB or affecting EMI performance?
While the Bourns SRN2520TA-680M is also a 680nH ±20% shielded inductor in a 2520 package, direct replacement of the DFE252012P-R68M=P2 is not guaranteed safe. The Bourns part has a lower Isat (4.0A vs. 4.8A) and higher DCR (45mΩ vs. 37mΩ max), which may increase conduction losses and reduce efficiency in high-current paths. Additionally, its flat-wire construction differs from the drum-core wirewound design of the Murata part, potentially altering high-frequency EMI behavior due to different parasitic capacitance and shielding effectiveness. Always validate thermal performance and conducted emissions in your actual circuit before full adoption, especially in noise-sensitive applications like automotive or medical systems.
How does the flat wire construction in the DFE252012P-R68M=P2 impact AC resistance and efficiency at switching frequencies above 2 MHz, compared to round-wire inductors?
The flat wire used in the DFE252012P-R68M=P2 reduces proximity and skin effect losses at high frequencies, offering lower AC resistance than equivalent round-wire inductors—especially beneficial above 2 MHz where traditional round wires suffer significant eddy current losses. This improves efficiency in high-frequency buck converters (e.g., 3–5 MHz designs common in space-constrained mobile or POL applications). However, flat wire can increase inter-turn capacitance, slightly lowering self-resonant frequency. While Murata doesn’t publish SRF, expect usable performance up to ~10–15 MHz. For ultra-high-frequency designs (>10 MHz), verify stability with network analyzer measurements or SPICE models, and consider layout symmetry to minimize radiated noise from the low-profile form factor.
Is the DFE252012P-R68M=P2 suitable for automotive under-hood applications given its -40°C to 125°C operating range, and what reliability concerns should I evaluate for long-term deployment?
The DFE252012P-R68M=P2 meets the basic temperature requirement (-40°C to 125°C) for many automotive applications, but suitability for under-hood use requires deeper evaluation. Murata confirms RoHS3 compliance and MSL 1 (unlimited floor life), indicating good moisture resistance. However, automotive environments demand validation against thermal cycling, vibration, and long-term mechanical stress. The drum-core iron powder material is robust, but wirewound terminations may be susceptible to solder joint fatigue under high-G vibration. Ensure your PCB assembly uses proper underfill or conformal coating if exposed to harsh conditions. Also verify AEC-Q200 qualification—while not explicitly stated, contact Murata for test data. For mission-critical systems, consider AEC-Q200-certified alternatives like the Vishay IHLP2525CZER6R8M01 for added assurance.
What layout and grounding practices are critical when integrating the DFE252012P-R68M=P2 into a multilayer PCB to minimize EMI and ensure stable operation in a noise-sensitive analog power rail?
Proper layout is essential to leverage the shielding of the DFE252012P-R68M=P2 and prevent coupling into sensitive analog circuits. Place the inductor away from high-impedance nodes and analog signal traces—maintain at least 5 mm clearance if possible. Use a solid ground plane beneath the inductor but avoid splitting it; instead, connect the shield terminal (if accessible) directly to the ground plane with multiple vias to reduce parasitic inductance. Keep input and output traces short and orthogonal to minimize loop area. Since the part is shielded, radiated emissions are low, but capacitive coupling can still occur—route sensitive signals on inner layers or opposite sides of the board. Finally, place decoupling capacitors (e.g., 100nF + 10µF) as close as possible to the inductor’s input side to suppress high-frequency switching noise before it propagates.
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DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
DFE252012P-R68M=P2 CAD Models
Murata Electronics DFE252012P-R68M=P2 PCB symbols & footprints
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