ISC1210ER1R5J Equivalent & Substitute Parts

Part Overview

The ISC1210ER1R5J is a 1.5 µH shielded drum core wirewound inductor manufactured by Vishay Dale, designed for surface mount applications in the 1210 (3225 Metric) package. This component operates at 370 mA current rating with 750mOhm maximum DC resistance and is rated for -55°C to 125°C operating temperature. The part is currently active and in stock with 722 pieces available. Substitute parts are necessary when shielded core variants are unavailable, when extended temperature ranges are not required, or when alternative core materials meet circuit performance specifications.

Key Parameters

Parameter	Value
Inductance	1.5 µH
Tolerance	±5%
Current Rating	370 mA
DC Resistance (Max)	750mOhm
Core Type	Drum Core, Wirewound
Shielding	Shielded
Package	1210 (3225 Metric)
Mounting Type	Surface Mount
Operating Temperature	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for ISC1210ER1R5J is determined by the following critical parameters: inductance value (1.5 µH), tolerance (±5%), current rating (370 mA), package format (1210/3225 Metric), and mounting type (surface mount). The substitute parts listed maintain identical inductance, tolerance, current rating, and package specifications. Key differences exist in core material (ferrite vs. iron powder), shielding configuration (unshielded vs. shielded), DC resistance (850mOhm vs. 750mOhm), and operating temperature range (-40°C to 105°C vs. -55°C to 125°C). These differences define the substitution scope and application suitability.

Parameter Comparison

Parameter	ISC1210ER1R5J (Main)	NLV32T-1R5J-EF	NLV32T-1R5J-EFD	NLV32T-1R5J-PF
Manufacturer	Vishay Dale	TDK Corporation	TDK Corporation	TDK Corporation
Inductance	1.5 µH	1.5 µH	1.5 µH	1.5 µH
Tolerance	±5%	±5%	±5%	±5%
Current Rating	370 mA	370 mA	370 mA	370 mA
DC Resistance (Max)	750mOhm	850mOhm	850mOhm	850mOhm
Core Material	Iron Powder	Ferrite	Ferrite	Ferrite
Shielding	Shielded	Unshielded	Unshielded	Unshielded
Package	1210 (3225 Metric)	1210 (3225 Metric)	1210 (3225 Metric)	1210 (3225 Metric)
Operating Temperature	-55°C ~ 125°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
Product Status	Active	Active	Active	Not For New Designs
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Ratings	-	-	AEC-Q200	-

Engineering Selection Recommendations

NLV32T-1R5J-EFD is the primary substitute for new designs. This TDK part maintains all critical electrical parameters (1.5 µH inductance, 370 mA current rating, ±5% tolerance) and package compatibility while offering AEC-Q200 automotive qualification. The ferrite core and unshielded configuration are suitable for applications where EMI shielding is not required. Operating temperature range is -40°C to 105°C, which is narrower than the main part; applications requiring extended low-temperature operation below -40°C must retain ISC1210ER1R5J.

NLV32T-1R5J-EF is an active alternative with identical electrical specifications to NLV32T-1R5J-EFD but without AEC-Q200 certification. This part is suitable for non-automotive applications with equivalent temperature and performance requirements.

NLV32T-1R5J-PF is designated "Not For New Designs" and should not be selected for new product development, though it remains available for legacy system support and maintenance applications.

All substitute parts exhibit 850mOhm maximum DC resistance compared to 750mOhm for the main part, representing a 13% increase. Circuit designs must accommodate this higher resistance value to ensure performance compliance.

Frequently Asked Questions (FAQ)

Q: Can NLV32T-1R5J-EF, NLV32T-1R5J-EFD, or NLV32T-1R5J-PF be used as direct replacements for ISC1210ER1R5J?

A: These parts are functionally equivalent for inductance value, current rating, and package format. However, they differ in core material (ferrite vs. iron powder), shielding (unshielded vs. shielded), DC resistance (850mOhm vs. 750mOhm), and operating temperature range (-40°C to 105°C vs. -55°C to 125°C). Applications requiring shielding or extended temperature operation below -40°C must use ISC1210ER1R5J.

Q: What is the impact of the 100mOhm increase in DC resistance?

A: The substitute parts have 850mOhm maximum DC resistance versus 750mOhm for ISC1210ER1R5J. This 13% increase results in higher power dissipation at rated current. At 370 mA, the additional dissipation is approximately 10.2 mW. Circuit thermal analysis must account for this difference.

Q: Are all substitute parts suitable for automotive applications?

A: NLV32T-1R5J-EFD carries AEC-Q200 certification and is approved for automotive use. NLV32T-1R5J-EF and NLV32T-1R5J-PF lack this certification and are not qualified for automotive applications.

Q: What is the difference between shielded and unshielded core configurations?

A: ISC1210ER1R5J features a shielded iron powder core that reduces electromagnetic radiation and susceptibility to external magnetic fields. Substitute parts use unshielded ferrite cores. Shielding is necessary in noise-sensitive circuits or when the inductor is located near sensitive analog circuits.

Q: Why should NLV32T-1R5J-PF be avoided for new designs?

A: This part is designated "Not For New Designs" by the manufacturer, indicating end-of-life status or transition to newer alternatives. New product development should use NLV32T-1R5J-EFD or NLV32T-1R5J-EF.

Q: Are all parts RoHS compliant?

A: Yes, ISC1210ER1R5J and all substitute parts are ROHS3 compliant and suitable for applications requiring RoHS certification.

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