ISC1210EB6R8J Equivalent & Substitute Parts

Part Overview

The ISC1210EB6R8J is a 6.8 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 205 mA maximum current with 1.6Ω maximum DC resistance and maintains active product status. Substitute parts become necessary when addressing supply chain constraints, design revisions requiring different core materials, or when alternative packaging formats are preferred while maintaining equivalent electrical performance at the specified inductance value and frequency characteristics.

Key Parameters

Parameter	Value
Inductance	6.8 µH
Tolerance	±5%
Current Rating	205 mA
DC Resistance (Max)	1.6Ω
Core Type	Drum Core, Wirewound
Shielding	Shielded
Package	1210 (3225 Metric)
Operating Temperature Range	-55°C ~ 125°C
Q @ 7.96 MHz	30
Self Resonant Frequency	40 MHz
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the ISC1210EB6R8J is determined by the following critical parameters:

Inductance Value: Must be 6.8 µH with ±5% tolerance
Package Footprint: Must be 1210 (3225 Metric) surface mount
Current Rating: Substitute must support minimum 205 mA operation
DC Resistance: Must not exceed 1.6Ω maximum
Frequency Characteristics: Q factor and self-resonant frequency must align with 7.96 MHz test frequency and 40 MHz resonance
Core Material & Shielding: Variations in core material (iron powder vs. ferrite) and shielding configuration are permissible when electrical parameters remain equivalent

The identified substitute NLV32T-6R8J-PF from TDK Corporation meets the inductance, package, and frequency specifications. However, design engineers must evaluate differences in current rating (180 mA vs. 205 mA), DC resistance (1.8Ω vs. 1.6Ω), operating temperature range (-40°C ~ 105°C vs. -55°C ~ 125°C), core material (ferrite vs. iron powder), and shielding configuration (unshielded vs. shielded) for application compatibility.

Parameter Comparison

Parameter	ISC1210EB6R8J (Vishay Dale)	NLV32T-6R8J-PF (TDK)
Inductance	6.8 µH	6.8 µH
Tolerance	±5%	±5%
Current Rating (Amps)	205 mA	180 mA
DC Resistance (Max)	1.6Ω	1.8Ω
Core Type	Drum Core, Wirewound	Drum Core, Wirewound
Core Material	Iron Powder	Ferrite
Shielding	Shielded	Unshielded
Package / Case	1210 (3225 Metric)	1210 (3225 Metric)
Q @ 7.96 MHz	30	30
Self Resonant Frequency	40 MHz	40 MHz
Operating Temperature Range	-55°C ~ 125°C	-40°C ~ 105°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Not For New Designs

Engineering Selection Recommendations

The ISC1210EB6R8J maintains active product status and is recommended for new designs. The NLV32T-6R8J-PF substitute carries a "Not For New Designs" designation, indicating TDK has discontinued this part for new applications. Both components achieve ROHS3 compliance and equivalent inductance and frequency characteristics at the 7.96 MHz test point.

Selection between these parts depends on application-specific requirements:

Current Margin: Applications requiring the full 205 mA rating should retain the ISC1210EB6R8J, as the NLV32T-6R8J-PF is rated for 180 mA maximum.
Temperature Range: Systems operating below -40°C or above 105°C require the ISC1210EB6R8J due to its extended -55°C ~ 125°C operating range.
DC Resistance: The ISC1210EB6R8J offers lower DC resistance (1.6Ω vs. 1.8Ω), reducing power dissipation in current-sensitive applications.
Electromagnetic Compatibility: The shielded configuration of the ISC1210EB6R8J provides superior EMI containment compared to the unshielded NLV32T-6R8J-PF.
Supply Continuity: The NLV32T-6R8J-PF may be considered only for legacy system maintenance or when the ISC1210EB6R8J becomes unavailable, with full validation of the noted parameter differences.

Frequently Asked Questions (FAQ)

Q: Can the NLV32T-6R8J-PF directly replace the ISC1210EB6R8J in new designs?

A: No. The NLV32T-6R8J-PF carries a "Not For New Designs" status. While both components share the same 6.8 µH inductance, 1210 package, and frequency characteristics, the substitute has reduced current rating (180 mA vs. 205 mA), higher DC resistance (1.8Ω vs. 1.6Ω), narrower operating temperature range (-40°C ~ 105°C vs. -55°C ~ 125°C), and lacks shielding. New designs should specify the ISC1210EB6R8J.

Q: What are the key differences between these inductors?

A: The primary differences are core material (iron powder vs. ferrite), shielding (shielded vs. unshielded), current rating, DC resistance, and operating temperature range. Both maintain identical inductance values, tolerance, Q factor, and self-resonant frequency at the specified test conditions.

Q: Does the unshielded configuration of the NLV32T-6R8J-PF affect circuit performance?

A: Unshielded inductors exhibit greater electromagnetic field radiation and susceptibility to external magnetic interference compared to shielded designs. Applications requiring EMI containment or operating in electromagnetically noisy environments should use the shielded ISC1210EB6R8J.

Q: Are both parts RoHS compliant?

A: Yes, both the ISC1210EB6R8J and NLV32T-6R8J-PF are ROHS3 compliant. The ISC1210EB6R8J is REACH unaffected, while the NLV32T-6R8J-PF is REACH affected.

Q: What is the impact of the 25 mA current rating difference?

A: Applications operating at or near 205 mA cannot use the NLV32T-6R8J-PF, which is limited to 180 mA. This 12% reduction in current capacity may cause saturation or thermal stress in designs requiring the full current margin of the ISC1210EB6R8J.

Q: Can I use the NLV32T-6R8J-PF in legacy systems currently using the ISC1210EB6R8J?

A: Only with full circuit validation. The reduced current rating, higher DC resistance, narrower temperature range, and unshielded configuration require comprehensive testing to confirm compatibility with the existing application's electrical and thermal requirements.

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