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AISM-1812H-331M
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Product Detailed Parameters
- Description：FIXED INDUCTOR SMD
- Series：AISM-1812H
- Mfr：Abracon LLC
- Package：Bulk
- Type：Wirewound
- Material - Core：-
- Inductance：330 µH
- Tolerance：±20%
- Current Rating (Amps)：90 mA
- Current - Saturation (Isat)：-
- Shielding：Shielded
- DC Resistance (DCR)：13Ohm Max
- Q @ Freq：20 @ 796kHz
- Frequency - Self Resonant：4MHz
- Ratings：-
- Operating Temperature：-40°C ~ 125°C
- Inductance Frequency - Test：796 kHz
- Mounting Type：Surface Mount
- Package / Case：1812 (4532 Metric)
- Supplier Device Package：1812
- Size / Dimension：0.165" L x 0.126" W (4.20mm x 3.20mm)
- Height - Seated (Max)：0.134" (3.40mm)
- Features：-
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Buying Guide
Abracon LLC AISM-1812H-331M is used in Fixed Inductors category where integration and verification need to stay predictable. Key specs include Description (FIXED INDUCTOR SMD), Series (AISM-1812H), Type (Wirewound), Packaging (Bulk), and Temperature (-40°C ~ 125°C).
Selection Notes
- For AISM-1812H-331M, confirm the tolerance (±20%) is acceptable for your accuracy and drift budget.
- Confirm the operating frequency (20 @ 796kHz) and any related tolerance requirements.
- Verify the operating temperature range (-40°C ~ 125°C) and derate as needed in your application.
- Check Inductance Frequency - Test (796 kHz) against the datasheet conditions and your system-level constraints.
Alternates & Substitutions
- For AISM-1812H-331M, when choices stay close in Fixed Inductors, the stronger fit is usually the candidate that asks the least from layout, firmware, mechanics, and field use.
- For AISM-1812H-331M in Fixed Inductors, treat near-equivalent parts as good candidates only when they preserve the same function at the product level (key constraints: package 1812 (4532 Metric), frequency 20 @ 796kHz).
- The closest substitutes usually keep the non-negotiables (package/case 1812 (4532 Metric), supplier package 1812, mounting Surface Mount) aligned and still support the same operating envelope (temperature -40°C ~ 125°C) before performance differences matter.
- When several alternatives look close, the option that preserves package 1812 (4532 Metric), frequency 20 @ 796kHz is usually the safer fit.
FAQ
How do I confirm compatibility for AISM-1812H-331M?
Match mechanical footprint first, then verify electrical limits and operating conditions against your system constraints.
Can you confirm the Tolerance for AISM-1812H-331M?
±20%
Which Size / Dimension is listed for AISM-1812H-331M?
0.165" L x 0.126" W (4.20mm x 3.20mm)
Which Frequency - Self Resonant is specified for AISM-1812H-331M?
4MHz
Application Scenarios
In the Fixed Inductors category, Abracon LLC AISM-1812H-331M is often evaluated by how well it fits electrical, thermal, and mechanical constraints in the target system. Well-specified filtering reduces compliance risk and generally improves perceived quality and reliability. They shape current and suppress EMI by providing inductance, impedance, or filtering across defined frequency bands. In portable devices, inductors enable efficient conversion while controlling acoustic noise and thermal hotspots. In harsh environments, thermal rise and saturation margins must be validated under realistic load transients.
Compatibility Advice
- With Abracon LLC AISM-1812H-331M, confirm that substitutions preserve dielectric or core material behavior because that often changes drift and loss more than the nominal value during bring-up and production test.
- On the assembled design, validate magnetic components under the real waveform so saturation and audible noise are not discovered late. This keeps integration from depending on typical-only conditions.
- Validate derating under voltage and ripple current so passives do not run at the edge in continuous duty before committing to volume builds.
Project Fit
- Abracon LLC AISM-1812H-331M is a practical fit for Fixed Inductors when the team cares about EMI margins and can control placement, loop areas, and coupling.
- Avoid relying on Abracon LLC AISM-1812H-331M in Fixed Inductors designs when saturation and thermal rise cannot be measured under the real waveform, leaving margin unproven because it becomes difficult to prove margin across production variance.
