ISC1210BN1R5K Equivalent & Substitute Parts

Part Overview

The ISC1210BN1R5K 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 is rated for 370 mA continuous current with a maximum DC resistance of 750mOhm and operates across the temperature range of -55°C to 125°C. The part is currently active in production. Substitute parts are identified when equivalent electrical performance can be maintained within the specified inductance, current rating, and package dimensions while accommodating application-specific requirements such as shielding configuration and operating temperature range.

Substiute Parts

ISC1210BN1R5K

Vishay DaleIn Stock: 961ISC1210BN1R5K Datasheet

Current PartRFQ

744764015

Würth ElektronikIn Stock: 3272744764015 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ISC1210BN1R5K is determined by the following critical parameters:

• Inductance value must match at 1.5 µH with ±10% tolerance
• Current rating must support minimum 370 mA continuous operation
• Package dimensions must conform to 1210 (3225 Metric) surface mount specification
• DC resistance must not exceed application thermal and efficiency requirements
• Operating temperature range must encompass the application's operating environment
• Q factor and self-resonant frequency characteristics must be compatible with circuit frequency of operation

The substitute part 744764015 (Würth Elektronik WE-GF series) meets the core electrical requirements of inductance, current rating, and package specification. However, differences exist in shielding configuration, core material, DC resistance, operating temperature range, and frequency characteristics that must be evaluated for specific application compatibility.

Parameter Comparison

Engineering Selection Recommendations

Selection between ISC1210BN1R5K and 744764015 depends on application-specific requirements:

The ISC1210BN1R5K is suitable for applications requiring shielded inductance performance across extended temperature ranges (-55°C to 125°C) with lower DC resistance (750mOhm max). This part is RoHS non-compliant and REACH affected.

The 744764015 is suitable for applications where RoHS3 compliance is required, REACH unaffected status is necessary, and operating temperature does not exceed 105°C. The unshielded configuration and ferrite core material result in higher self-resonant frequency (250MHz vs 90MHz) and slightly elevated DC resistance (850mOhm max). The substitute part is available in higher inventory quantities (3200 pcs vs 920 pcs) in Tape & Reel packaging.

Applications requiring shielding to minimize electromagnetic interference must use the ISC1210BN1R5K. Applications operating below -40°C or above 105°C must use the ISC1210BN1R5K. Applications with regulatory requirements for RoHS3 compliance and REACH unaffected status must use 744764015.

Frequently Asked Questions (FAQ)

Q: Can 744764015 directly replace ISC1210BN1R5K in all applications?

A: No. The substitute part differs in shielding (unshielded vs shielded), core material (ferrite vs iron powder), DC resistance (850mOhm vs 750mOhm max), operating temperature range (-40°C to 105°C vs -55°C to 125°C), and self-resonant frequency (250MHz vs 90MHz). Substitution is valid only when the application does not require shielding, operates within -40°C to 105°C, and can tolerate the higher DC resistance and different frequency characteristics.

Q: What is the impact of the unshielded configuration of 744764015?

A: Unshielded inductors generate electromagnetic fields that may couple to adjacent circuit components. Applications sensitive to electromagnetic interference or requiring isolation from nearby circuits must use the shielded ISC1210BN1R5K.

Q: Does the difference in DC resistance affect circuit performance?

A: Yes. The 744764015 has 100mOhm higher maximum DC resistance (850mOhm vs 750mOhm). In circuits where inductor losses directly impact efficiency or thermal performance, this difference must be evaluated. Higher DC resistance increases power dissipation proportionally to the square of the current.

Q: Are the package dimensions identical?

A: Both parts use the 1210 (3225 Metric) package. Physical dimensions are equivalent: 0.126" L x 0.098" W (3.20mm x 2.49mm to 2.50mm) with seated heights of 0.095" (2.41mm) to 0.094" (2.40mm). PCB layout compatibility is maintained.

Q: What are the compliance differences?

A: ISC1210BN1R5K is RoHS non-compliant and REACH affected. 744764015 is ROHS3 compliant and REACH unaffected. Applications subject to RoHS3 or REACH regulations must use 744764015.

Q: How do the frequency characteristics differ?

A: Both parts have identical Q factor (30 @ 7.96MHz). The self-resonant frequency differs significantly: ISC1210BN1R5K at 90MHz vs 744764015 at 250MHz. Applications operating near or above 90MHz must verify that the substitute part's higher self-resonant frequency does not alter circuit behavior.