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0603AF-241XJRW
Coilcraft
FIXED IND 240NH 850MA 120MOHM SM
500298 Pcs New Original In Stock
240 nH Unshielded Wirewound Inductor 850 mA 120mOhm Max 0603 (1608 Metric)
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5.0 / 5.0
- (110 Ratings)
0603AF-241XJRW
Product Overview
9358402
DiGi Electronics Part Number
0603AF-241XJRW-DGManufacturer
Coilcraft
0603AF-241XJRW
Description
FIXED IND 240NH 850MA 120MOHM SMInventory
500298 Pcs New Original In Stock
240 nH Unshielded Wirewound Inductor 850 mA 120mOhm Max 0603 (1608 Metric)
Quantity
Minimum 1
Minimum 1
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0603AF-241XJRW Technical Specifications
Category
Fixed Inductors
Packaging
Strip
Series
0603AF
Product Status
Active
Type
Wirewound
Material - Core
Ferrite
Inductance
240 nH
Tolerance
±5%
Current Rating (Amps)
850 mA
Current - Saturation (Isat)
-
Shielding
Unshielded
DC Resistance (DCR)
120mOhm Max
Q @ Freq
15 @ 7.9MHz
Frequency - Self Resonant
900MHz
Ratings
-
Operating Temperature
-40°C ~ 85°C
Inductance Frequency - Test
7.9 MHz
Features
-
Mounting Type
Surface Mount
Package / Case
0603 (1608 Metric)
Supplier Device Package
0603
Size / Dimension
0.071" L x 0.044" W (1.80mm x 1.12mm)
Height - Seated (Max)
0.036" (0.91mm)
Datasheet & Documents
HTML Datasheet
0603AF-241XJRW-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
2457-0603AF-241XJE_
2457-0603AF-241XJRW
2457-0603AF-241XJE_TR-DG
2457-0603AF-241XJE_-DG
2457-0603AF-241XJEW
Standard Package
1
Reviews
5.0/5.0-(Show up to 5 Ratings)
грудня 02, 2025
お手頃な金額で、きめ細やかなアフターサービスを受けられる点に感動しました。
грудня 02, 2025
The staff at DiGi Electronics goes above and beyond to ensure customer satisfaction.
грудня 02, 2025
Their commitment to customer satisfaction is evident through their outstanding after-sales support.
грудня 02, 2025
DiGi Electronics provides exceptional customer service, always attentive and quick to respond to inquiries.
грудня 02, 2025
The packaging is always secure and professional, preventing any damage during transit.
грудня 02, 2025
Logistics efficiency was impressive, with precise delivery windows and minimal delays.
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Frequently Asked Questions (FAQ)
What are the key reliability risks when using the 0603AF-241XJRW in high-density PCB layouts with nearby switching regulators, and how can layout mitigate performance degradation?
The 0603AF-241XJRW is an unshielded wirewound inductor, making it susceptible to magnetic coupling with adjacent components, especially in compact designs with switching regulators operating above 500 kHz. This can induce unwanted noise or reduce effective inductance due to mutual inductance. To mitigate risk, maintain at least 2–3 mm spacing from other magnetic components, orient the inductor perpendicular to nearby inductors or transformers, and use ground planes cautiously—avoid placing the inductor directly over split planes. Thermal cycling in dense layouts may also stress solder joints; ensure adequate pad design and reflow profiling to prevent cracking over time.
Can the 0603AF-241XJRW be safely replaced with a shielded inductor like the Murata LQW18AN24NJ00D in a 2.4 GHz RF front-end filter, and what trade-offs should I expect?
While the Murata LQW18AN24NJ00D offers similar 240 nH ±5% inductance and better EMI containment due to shielding, direct replacement of the 0603AF-241XJRW requires careful evaluation. The Coilcraft part has a higher self-resonant frequency (900 MHz vs. ~600 MHz for the Murata), making it more suitable for applications near or above 500 MHz. However, the shielded Murata part may introduce higher parasitic capacitance and slightly lower Q factor at 7.9 MHz, potentially affecting filter sharpness. If EMI is critical and operating below 500 MHz, the Murata part is viable—but for wideband or high-frequency stability, stick with the 0603AF-241XJRW unless shielding is mandatory.
How does the absence of a specified saturation current (Isat) on the 0603AF-241XJRW impact its use in a 5V to 3.3V buck converter running at 2 A peak inductor current?
The lack of a published saturation current (Isat) for the 0603AF-241XJRW introduces significant design risk in high-current applications like a 2 A buck converter. Although the RMS current rating is 850 mA, ferrite-core wirewound inductors can experience sharp inductance drop well below their RMS limit under DC bias. Without Isat data, you risk core saturation, leading to excessive ripple, overheating, and potential MOSFET failure. Mitigate this by derating heavily—limit peak current to ≤600 mA—or select an alternative with published Isat (e.g., Coilcraft’s 0603CS series with shielded construction and full bias characterization). Always validate with in-circuit testing under worst-case load.
Is the 0603AF-241XJRW suitable for automotive under-hood applications given its -40°C to 85°C operating range, and what long-term reliability concerns should I anticipate?
The 0603AF-241XJRW’s specified temperature range (-40°C to 85°C) falls short of typical automotive under-hood requirements (often -40°C to 125°C or higher), making it unsuitable for direct engine-compartment use without additional qualification. Even if ambient temps appear within range, localized heating from adjacent power components can push the inductor beyond 85°C, accelerating insulation degradation in the wirewound structure and increasing DCR drift over time. Additionally, vibration in automotive environments may fatigue the thin wire windings. For AEC-Q200 compliance or extended thermal cycling, consider Coilcraft’s XAL4020 series or similar automotive-grade inductors with full temperature and mechanical stress validation.
What design constraints should I consider when using the 0603AF-241XJRW in a 900 MHz RF matching network, given its Q of 15 at 7.9 MHz and self-resonant frequency of 900 MHz?
Using the 0603AF-241XJRW near its self-resonant frequency (900 MHz) in an RF matching network is risky due to unpredictable behavior as the inductor approaches resonance. Although the SRF is rated at 900 MHz, real-world parasitics (PCB trace inductance, pad capacitance) can lower the effective SRF, causing the component to act capacitively and disrupt impedance matching. Additionally, the Q factor of 15 is measured at 7.9 MHz—not at 900 MHz—where core and skin-effect losses typically reduce Q significantly, increasing insertion loss. For reliable 900 MHz operation, choose an inductor with SRF ≥1.2 GHz and verified high-frequency Q data (e.g., Coilcraft 0603SQ series). If you must use the 0603AF-241XJRW, simulate with S-parameter models and validate with network analyzer measurements.
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0603AF-241XJRW CAD Models
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