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Product Detailed Parameters
- Description:XFMR 3.3-5V/3.3-15V,350MA PK TR
- Series:HCT
- Mfr:Bourns Inc.
- Package:Tape & Reel (TR)
- Transformer Type:Isolation and Data Interface (Encapsulated)
- Inductance:250µH
- ET (Volt-Time):11.0VµS
- Turns Ratio - Primary:Secondary:8:03
- Mounting Type:Surface Mount
- Size / Dimension:0.484" L x 0.425" W (12.30mm x 10.80mm)
- Height - Seated (Max):0.256" (6.50mm)
- Operating Temperature:-40°C ~ 125°C
- Grade:-
- Qualification:-
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Overview
The HCTSM80803AAL-E1 is an automotive-grade power transformer from the HCTSM8 series, designed for board mount applications. It features a single primary and single secondary winding with an 8:3 turns ratio. Key electrical parameters include 250 µH inductance and a maximum voltage-time product of 11 V/µs. The component supports a peak secondary current of 350 mA and operates within a temperature range of -40°C to +125°C. Physical dimensions are 12.3 mm in length, 10.8 mm in width, and 6.5 mm in height.
Feature Summary
- High clearance and creepage distance design for enhanced isolation safety
- AEC-Q200 qualified for automotive reliability standards
- Surface mount package optimized for automated PCB assembly
Applications
- Automotive power supply circuits
- Isolated DC-DC converter topologies
- Vehicle electronic control unit (ECU) interfaces
Procurement Notes
Verify the specific suffix 'E1' against official Bourns documentation to confirm availability status. Note that this part number has been subject to discontinuance notifications; ensure compatibility with current production requirements before procurement.
Selection Notes
Select this component when high isolation voltage and automotive qualification are required. Ensure the 8:3 turns ratio and 350 mA peak current rating align with the target circuit design constraints.
Part Context
This transformer belongs to the HCTSM8 family, which specializes in high-clearance solutions for automotive environments. It complements other Bourns pulse transformers by providing robust isolation capabilities within a compact surface-mount footprint suitable for space-constrained vehicle electronics.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material.
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