Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
Service Email:
[email protected]
>
SWPA252010S1R5NT
Shenzhen Sunlord Electronics Co., Ltd.
FIXED IND 1.5UH 1.3A 182MOHM SMD
131219 Pcs New Original In Stock
1.5 µH Shielded Drum Core, Wirewound Inductor 1.3 A 182mOhm Max 1008 (2520 Metric)
Request Quote
(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (375 Ratings)
SWPA252010S1R5NT
Product Overview
9880508
DiGi Electronics Part Number
SWPA252010S1R5NT-DGManufacturer
Shenzhen Sunlord Electronics Co., Ltd.
SWPA252010S1R5NT
Description
FIXED IND 1.5UH 1.3A 182MOHM SMDInventory
131219 Pcs New Original In Stock
1.5 µH Shielded Drum Core, Wirewound Inductor 1.3 A 182mOhm Max 1008 (2520 Metric)
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
SWPA252010S1R5NT Technical Specifications
Category
Fixed Inductors
Packaging
Tape & Reel (TR)
Series
SWPA
Product Status
Active
Type
Drum Core, Wirewound
Material - Core
Ferrite
Inductance
1.5 µH
Tolerance
±30%
Current Rating (Amps)
1.3 A
Current - Saturation (Isat)
1.8A
Shielding
Shielded
DC Resistance (DCR)
182mOhm Max
Q @ Freq
-
Frequency - Self Resonant
81MHz
Ratings
-
Operating Temperature
-40°C ~ 125°C
Inductance Frequency - Test
100 kHz
Features
-
Mounting Type
Surface Mount
Package / Case
1008 (2520 Metric)
Supplier Device Package
1008
Size / Dimension
0.098" L x 0.079" W (2.50mm x 2.00mm)
Height - Seated (Max)
0.039" (1.00mm)
Datasheet & Documents
HTML Datasheet
SWPA252010S1R5NT-DG
Environmental & Export Classification
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8504.50.8000
Additional Information
Other Names
3442-SWPA252010S1R5NTTR
Standard Package
2,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
грудня 02, 2025
We've experienced minimal downtime thanks to the reliable products from DiGi Electronics.
грудня 02, 2025
You can't beat the price advantages offered by DiGi Electronics, especially given their packaging standards.
грудня 02, 2025
I've had a fantastic experience with their products, thanks to their high standards.
Publish Evalution
Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.
Frequently Asked Questions (FAQ)
How does the SWPA252010S1R5NT compare to the Bourns SRN2520TA-1R5Y when replacing a 1.5 µH inductor in a high-efficiency DC-DC converter, and what are the key risks in assuming drop-in compatibility?
While both the SWPA252010S1R5NT and Bourns SRN2520TA-1R5Y are 1.5 µH shielded wirewound inductors in a 2520 package, they differ in critical performance areas that can affect converter stability and efficiency. The SWPA252010S1R5NT has a lower saturation current (1.8A vs. 2.1A for the Bourns part) and higher DCR (182mΩ vs. 150mΩ max), which may lead to increased conduction losses and thermal stress in high-load conditions. Additionally, the ±30% inductance tolerance of the SWPA252010S1R5NT versus ±20% on the Bourns device can shift the converter’s control loop dynamics, potentially causing subharmonic oscillation or reduced transient response. Always validate switching frequency behavior and thermal performance under worst-case load before qualifying as a drop-in replacement.
What design constraints should I consider when using the SWPA252010S1R5NT in a compact wearable device with limited PCB real estate and strict height limitations?
The SWPA252010S1R5NT’s 1.00mm seated height and 2.50mm x 2.00mm footprint make it suitable for space-constrained applications, but its 182mΩ DCR and 1.3A current rating impose thermal and layout constraints. In wearable designs with poor airflow, localized heating can reduce effective current capacity and accelerate core aging. Ensure adequate copper pour for thermal relief and avoid placing heat-sensitive components nearby. Also, due to its drum-core construction, magnetic field leakage—though reduced by shielding—is still higher than multilayer chip inductors; maintain clearance from analog sensors or RF traces to prevent interference. Verify actual temperature rise at peak duty cycles using thermal imaging or simulation.
Can the SWPA252010S1R5NT reliably replace a power inductor in a battery-powered IoT sensor node where duty cycling causes repeated thermal cycling from -20°C to +85°C?
The SWPA252010S1R5NT is rated for -40°C to +125°C operation, so ambient temperature swings are within spec, but repeated thermal cycling in duty-cycled IoT nodes introduces mechanical stress at solder joints and within the ferrite core. Wirewound drum-core inductors like the SWPA252010S1R5NT are more susceptible to microcracking under thermal fatigue compared to molded or composite inductors. To mitigate risk, use a robust solder paste (e.g., SAC305 with proper reflow profile), ensure symmetrical pad design to minimize tombstoning, and consider underfill if the node experiences vibration. Monitor inductance drift over time in field prototypes, as core microcracks can cause gradual inductance drop and increased losses.
What are the risks of using the SWPA252010S1R5NT in a 500 kHz buck converter if my original design relied on a higher-Q inductor like the TDK MLZ2012M1R5WT1?
The SWPA252010S1R5NT lacks a specified Q factor, indicating it is not optimized for high-Q applications, unlike the TDK MLZ2012M1R5WT1, which targets low-loss, high-efficiency operation. At 500 kHz, the SWPA252010S1R5NT’s wirewound construction may exhibit higher AC resistance due to skin and proximity effects, increasing core and copper losses. This can lead to lower overall converter efficiency, higher operating temperatures, and potential thermal runaway under sustained load. Additionally, its 81 MHz self-resonant frequency leaves ample margin, but parasitic capacitance may still affect high-frequency ripple. Re-evaluate efficiency, thermal performance, and output ripple with actual load transients before adoption—consider adding input/output filtering if noise increases.
Is the SWPA252010S1R5NT suitable for automotive-grade applications requiring AEC-Q200 compliance, and what derating practices should be applied given its commercial-grade certification?
The SWPA252010S1R5NT is not AEC-Q200 qualified, which limits its use in safety-critical automotive systems like engine control or ADAS. While its -40°C to +125°C operating range overlaps with automotive requirements, lack of qualification means no guaranteed performance under humidity, vibration, or long-term reliability stressors defined by AEC-Q200. If used in non-critical automotive subsystems (e.g., infotainment), apply aggressive derating: limit continuous current to 70% of Isat (≈1.26A), reduce maximum ambient temperature to 105°C, and implement redundant thermal monitoring. Always conduct HALT (Highly Accelerated Life Testing) on prototypes and avoid using it in under-hood or high-vibration zones without additional mechanical securing.
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.
SWPA252010S1R5NT CAD Models
Shenzhen Sunlord Electronics Co., Ltd. SWPA252010S1R5NT PCB symbols & footprints
productDetail
