ASPI-0704S-150M-T Equivalent & Substitute Parts

Part Overview

The ASPI-0704S-150M-T is a 15 µH shielded drum core, wirewound inductor manufactured by Abracon LLC, rated for 1.47 A with 81 mOhm DC resistance. This surface mount component operates across -40°C to 125°C and is ROHS3 compliant with unlimited moisture sensitivity rating. The part is currently active in production. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and thermal operating ranges to ensure direct functional replacement in circuit applications.

Key Parameters

Parameter	Value
Inductance	15 µH
Inductance Tolerance	±20%
Current Rating	1.47 A
DC Resistance (DCR)	81 mOhm
Core Material	Ferrite
Shielding	Shielded
Package Type	Nonstandard
Mounting Type	Surface Mount
Physical Dimensions	7.30mm L x 7.30mm W x 4.50mm H
Operating Temperature Range	-40°C to 125°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the ASPI-0704S-150M-T are qualified based on the following electrical and mechanical parameters:

Inductance value: 15 µH with ±20% tolerance
Current rating: minimum 1.47 A
DC resistance: 80–81.6 mOhm range
Core material: Ferrite with shielding
Physical footprint: 7.30mm x 7.30mm base dimensions
Mounting: Surface mount, nonstandard package
Compliance: ROHS3 compliant, MSL 1

Three qualified substitutes meet these criteria: B82472P6153M000 (EPCOS - TDK Electronics), CDRH74NP-150MC-B (Sumida America Components Inc.), and SLF7045T-150M1R5-H (TDK Corporation). Each maintains electrical equivalence within specified tolerances and physical compatibility for direct PCB replacement.

Parameter Comparison

Parameter	ASPI-0704S-150M-T	B82472P6153M000	CDRH74NP-150MC-B	SLF7045T-150M1R5-H
Manufacturer	Abracon LLC	EPCOS - TDK Electronics	Sumida America Components Inc.	TDK Corporation
Inductance	15 µH	15 µH	15 µH	15 µH
Inductance Tolerance	±20%	±20%	±20%	±20%
Current Rating (Amps)	1.47 A	1.53 A	1.47 A	1.5 A
DC Resistance (DCR)	81 mOhm	80 mOhm Max	81 mOhm Max	81.6 mOhm Max
Core Material	Ferrite	Ferrite	Ferrite	Ferrite
Shielding	Shielded	Shielded	Shielded	Shielded
Type	Drum Core, Wirewound	Drum Core, Wirewound	Shielded Inductor	Drum Core, Wirewound
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Physical Dimensions (L x W)	7.30mm x 7.30mm	7.30mm x 7.30mm	7.30mm x 7.30mm	7.00mm x 7.00mm
Height - Seated (Max)	4.50mm	4.50mm	4.50mm	4.80mm
Operating Temperature Range	-40°C to 125°C	-55°C to 150°C	-40°C to 100°C	-40°C to 125°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Not For New Designs
Ratings	-	AEC-Q200	-	AEC-Q200

Engineering Selection Recommendations

B82472P6153M000 is the primary recommended substitute. It offers the highest current rating (1.53 A), lowest DC resistance (80 mOhm), extended upper operating temperature (150°C), and AEC-Q200 automotive qualification. Physical dimensions match exactly at 7.30mm x 7.30mm x 4.50mm, ensuring direct PCB compatibility.

CDRH74NP-150MC-B provides electrical equivalence with identical current rating and DC resistance to the original part. However, the upper operating temperature limit is restricted to 100°C, making it suitable only for applications within this thermal constraint.

SLF7045T-150M1R5-H maintains electrical specifications and AEC-Q200 qualification but carries a "Not For New Designs" status, limiting its use to legacy system support or maintenance applications. Physical height is 0.30mm greater (4.80mm vs. 4.50mm), requiring PCB layout verification for clearance compatibility.

Frequently Asked Questions (FAQ)

Q: Can B82472P6153M000 replace ASPI-0704S-150M-T in all applications?

A: Yes, within the specified operating temperature range. B82472P6153M000 exceeds the original part's current rating (1.53 A vs. 1.47 A) and offers lower DC resistance (80 mOhm vs. 81 mOhm), providing improved thermal performance. The extended temperature range (-55°C to 150°C) accommodates broader environmental conditions.

Q: What is the impact of the 0.30mm height difference with SLF7045T-150M1R5-H?

A: The SLF7045T-150M1R5-H seated height is 4.80mm compared to 4.50mm for the original part. This 0.30mm increase requires verification of PCB clearance to adjacent components, solder joint profiles, and conformal coating application if used in the design.

Q: Why is CDRH74NP-150MC-B limited to 100°C maximum operating temperature?

A: CDRH74NP-150MC-B is specified with a -40°C to 100°C operating range, restricting its use to applications where ambient or component junction temperatures remain below 100°C. The original ASPI-0704S-150M-T and B82472P6153M000 support higher thermal environments.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All three substitute parts—B82472P6153M000, CDRH74NP-150MC-B, and SLF7045T-150M1R5-H—are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the original part's environmental compliance profile.

Q: What does "Not For New Designs" mean for SLF7045T-150M1R5-H?

A: This status indicates the part is available for existing production and maintenance but is not recommended for new circuit designs. TDK Corporation has designated this part as legacy. New designs should prioritize B82472P6153M000 or CDRH74NP-150MC-B.

Q: Do all substitutes use the same inductance test frequency?

A: No. ASPI-0704S-150M-T and SLF7045T-150M1R5-H are tested at 100 kHz, while CDRH74NP-150MC-B is tested at 1 kHz. Both frequencies fall within standard measurement protocols; however, inductance values may exhibit minor frequency-dependent variations in actual circuit operation.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message