Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
Service Email:
[email protected]
>
IHLW4040CFERR22M11
Vishay Dale
FIXED IND 220NH 35.5A 0.9MOHM SM
1631 Pcs New Original In Stock
220 nH Shielded Inductor 35.5 A 0.9mOhm Max Nonstandard
Request Quote
(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (452 Ratings)
IHLW4040CFERR22M11
Product Overview
1152845
DiGi Electronics Part Number
IHLW4040CFERR22M11-DGManufacturer
Vishay Dale
IHLW4040CFERR22M11
Description
FIXED IND 220NH 35.5A 0.9MOHM SMInventory
1631 Pcs New Original In Stock
220 nH Shielded Inductor 35.5 A 0.9mOhm Max Nonstandard
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
Limited Stock, Order Now - Get reliable parts without worry.
Global Shipping & Secure Packaging
Worldwide Delivery in 3-5 Business Days
100% ESD Anti-Static Packaging
Real-Time Tracking for Every Order
Secure & Flexible Payment
Credit Card, VISA, MasterCard, PayPal, Western Union, Telegraphic Transfer(T/T) and more
All payments encrypted for security
IHLW4040CFERR22M11 Technical Specifications
Category
Fixed Inductors
Packaging
Tape & Reel (TR)
Series
IHLW-4040CF-11
Product Status
Active
Type
-
Material - Core
-
Inductance
220 nH
Tolerance
±20%
Current Rating (Amps)
35.5 A
Current - Saturation (Isat)
36A
Shielding
Shielded
DC Resistance (DCR)
0.9mOhm Max
Q @ Freq
-
Frequency - Self Resonant
-
Ratings
-
Operating Temperature
-55°C ~ 125°C
Inductance Frequency - Test
100 kHz
Mounting Type
Surface Mount
Package / Case
Nonstandard
Supplier Device Package
-
Size / Dimension
0.400" L x 0.400" W (10.16mm x 10.16mm)
Height - Seated (Max)
0.142" (3.60mm)
Datasheet & Documents
HTML Datasheet
IHLW4040CFERR22M11-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8504.50.4000
Additional Information
Standard Package
500
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
產品性능持續穩定，好用又可靠，完全符合我的期待。
de desembre 02, 2025
Leur transparence sur les prix et leur support après-vente sont exemplaires.
de desembre 02, 2025
Die Logistik bei Di Digi Electronics ist vorbildlich. Ich konnte meine Bestellung kaum erwarten, so schnell war sie da.
de desembre 02, 2025
DiGi Electronics makes shopping affordable and pleasant with excellent service.
de desembre 02, 2025
I appreciate how quickly DiGi Electronics responds to inquiries and support requests.
de desembre 02, 2025
Their quick response to after-sales inquiries demonstrates their dedication to customer satisfaction.
de desembre 02, 2025
I appreciate their effort in using eco-friendly materials for packaging.
de desembre 02, 2025
Whenever we need assistance, their friendly team is always ready to help.
de desembre 02, 2025
DiGi Electronics provides consistent and helpful after-sales support.
de desembre 02, 2025
The shipping speed exceeded my expectations, and the secure wrapping was much appreciated.
Publish Evalution
Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.
Frequently Asked Questions (FAQ)
Can the IHLW4040CFERR22M11 be safely used as a drop-in replacement for a Bourns SRR1260-220M in a 30A buck converter design, and what risks should I consider?
While both the IHLW4040CFERR22M11 (Vishay) and Bourns SRR1260-220M are 220 nH shielded inductors with similar current ratings, direct drop-in replacement is not guaranteed due to critical differences in footprint, thermal performance, and saturation behavior. The IHLW4040CFERR22M11 has a lower DCR (0.9 mΩ max vs. ~1.2 mΩ for the SRR1260-220M), which improves efficiency, but its nonstandard package (10.16 mm x 10.16 mm) may not align with the SRR1260’s land pattern. Additionally, the IHLW4040CFERR22M11’s Isat of 36A is specified at a higher current than the Bourns part, but actual saturation under transient loads depends on core material and temperature. Verify PCB layout compatibility, re-evaluate thermal derating at your operating temperature, and confirm that the lower DCR doesn’t cause unintended feedback loop instability in your control IC. Always validate with bench testing under full load and worst-case ambient conditions.
What are the key design risks when using the IHLW4040CFERR22M11 in a high-density PCB layout with adjacent power stages or sensitive analog circuitry?
The IHLW4040CFERR22M11, despite being shielded, can still pose electromagnetic interference (EMI) risks in tightly packed designs due to its high di/dt capability at 35.5A. Proximity to sensitive analog traces (e.g., ADC inputs or PLL circuits) may induce noise through near-field coupling, even with magnetic shielding. Additionally, the inductor’s 3.60 mm seated height limits vertical clearance, increasing the risk of mechanical interference with tall components or enclosures. To mitigate these risks, maintain a minimum 5 mm keep-out zone around the inductor for sensitive signals, use ground planes beneath but avoid splitting them under the device, and consider adding localized shielding cans if noise coupling is observed. Thermal vias under the pad are recommended but must be spaced to avoid solder wicking during reflow, which could increase DCR and reduce reliability.
How does the IHLW4040CFERR22M11 perform under sustained overload conditions near its 36A saturation current, and what long-term reliability concerns should I anticipate?
Operating the IHLW4040CFERR22M11 near its 36A saturation current (Isat) for extended periods significantly increases core and winding temperatures, accelerating insulation aging and potentially leading to premature failure. Although the part is rated for -55°C to 125°C, sustained operation above 105°C reduces MTBF due to thermal stress on the wire bond and solder joints. The ±20% inductance tolerance also means that in worst-case low-inductance scenarios, the actual saturation current could be lower than expected, increasing the risk of unexpected core saturation during load transients. To ensure reliability, derate the current by at least 20% for continuous operation (i.e., limit to ~29A), implement overtemperature protection, and ensure adequate airflow or thermal conduction paths. Monitor in-circuit ripple current with a current probe to detect early signs of core saturation or excessive heating.
Is the IHLW4040CFERR22M11 suitable for automotive-grade applications requiring AEC-Q200 compliance, and what documentation or testing gaps should I address?
The IHLW4040CFERR22M11 is not explicitly rated for AEC-Q200 compliance, despite its wide operating temperature range (-55°C to 125°C) and robust construction. While Vishay manufactures AEC-Q200 qualified inductors in other series, this specific part lacks published qualification data such as thermal cycling, mechanical shock, and humidity resistance per automotive standards. Using it in safety-critical automotive systems (e.g., ADAS, powertrain) introduces certification risk. If cost or size constraints prevent switching to a qualified alternative like the Vishay IHLP-4040DZ-01, you must conduct full qualification testing including HAST, thermal shock (-55°C to 150°C), and vibration per AEC-Q200 Rev D. Additionally, ensure your supply chain can provide full traceability and PPAP documentation, which may not be standard for this commercial-grade part.
What layout and reflow considerations are critical when integrating the IHLW4040CFERR22M11 into a high-current SMPS design to avoid solder joint failures or inductance shift?
Proper PCB layout and reflow profiling are essential to maintain the performance and reliability of the IHLW4040CFERR22M11. The large copper pads required for 35.5A current handling can act as heat sinks during reflow, leading to incomplete solder wetting or tombstoning if thermal imbalance occurs. Use symmetrical pad geometries and consider adding thermal relief spokes to balance heat distribution. Avoid placing the inductor near board edges or in areas prone to mechanical flexure, as repeated stress can crack solder joints over time. During reflow, ensure peak temperature reaches 245–250°C with sufficient time above liquidus (60–90 seconds) to fully wet the terminals, but avoid exceeding 260°C to prevent core damage. Post-assembly, inspect for voids using X-ray if operating in high-vibration environments. Finally, do not place vias directly in the solder pads—this can cause solder wicking, increasing DCR and reducing current capacity.
Quality Assurance (QC)
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.
IHLW4040CFERR22M11 CAD Models
Vishay Dale IHLW4040CFERR22M11 PCB symbols & footprints
productDetail
