CDH53-151JC Equivalent & Substitute Parts

Part Overview

The CDH53-151JC is a 150 µH unshielded drum core wirewound inductor manufactured by Sumida America Components Inc., rated for 310 mA continuous current with a maximum DC resistance of 2.4 mOhm. This surface mount component operates across the temperature range of -30°C to 100°C and is designed for applications requiring fixed inductance in compact nonstandard packages.

The CDH53-151JC has reached obsolete product status. Locating equivalent substitute parts is necessary to support ongoing production requirements, field repairs, and design continuity for systems currently utilizing this inductor.

Substiute Parts

CDH53-151JC

Sumida America Components Inc.In Stock: 1141CDH53-151JC Datasheet

Current PartRFQ

CDH53NP-151JC

Sumida America Components Inc.In Stock: 1537CDH53NP-151JC Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CDH53-151JC is determined by strict equivalence across the following critical parameters:

Electrical Specifications:

• Inductance value: 150 µH
• Inductance tolerance: ±5%
• Current rating: 310 mA minimum
• DC resistance: 2.4 mOhm maximum
• Core material: Ferrite
• Shielding configuration: Unshielded

Mechanical & Environmental Specifications:

• Mounting type: Surface Mount
• Package dimensions: 6.00 mm × 5.20 mm × 3.20 mm (Max height)
• Operating temperature range: Must encompass or exceed -30°C to 100°C
• Moisture sensitivity: MSL 1 or better

Regulatory & Compliance:

• ECCN classification: EAR99
• HTSUS code: 8504.50.4000

The CDH53NP-151JC qualifies as a direct substitute based on full alignment with all electrical, mechanical, and environmental parameters specified above.

Parameter Comparison

Engineering Selection Recommendations

CDH53NP-151JC as Primary Substitute:

The CDH53NP-151JC is the direct equivalent for the obsolete CDH53-151JC. Both components share identical electrical specifications (150 µH inductance, 310 mA current rating, ±5% tolerance, ferrite core, unshielded configuration) and mechanical dimensions (6.00 mm × 5.20 mm × 3.20 mm maximum height).

The substitute part offers the following advantages:

1. Active Product Status: CDH53NP-151JC maintains active manufacturing status, ensuring long-term availability and supply chain continuity.

2. Enhanced Temperature Range: The substitute operates from -40°C to 100°C, extending the lower operating limit by 10°C compared to the original part (-30°C to 100°C). This provides improved performance margin in cold environment applications.

3. Regulatory Compliance: CDH53NP-151JC achieves ROHS3 compliance, whereas the original part is RoHS non-compliant. This compliance status is critical for applications subject to environmental regulations and procurement standards.

4. Packaging Availability: The substitute is supplied in Tape & Reel (TR) format, supporting automated assembly processes and high-volume production workflows.

Critical Consideration:

The parameter comparison table identifies a discrepancy in DC resistance specification notation: the main part specifies 2.4 mOhm (milliohms), while the substitute specifies 2.4 Ohm (ohms). This represents a 1000-fold difference in resistance values. Verification of the actual DC resistance specification for the CDH53NP-151JC is required before final component selection, as this parameter directly affects circuit performance, power dissipation, and thermal characteristics.

Frequently Asked Questions (FAQ)

Q1: Can the CDH53NP-151JC be used as a direct replacement for the CDH53-151JC in existing designs?

A: The CDH53NP-151JC matches all critical electrical and mechanical parameters of the CDH53-151JC, including inductance (150 µH), current rating (310 mA), tolerance (±5%), core material (ferrite), shielding (unshielded), and physical dimensions (6.00 mm × 5.20 mm × 3.20 mm maximum height). The substitute also provides an extended operating temperature range (-40°C to 100°C versus -30°C to 100°C). However, the DC resistance specification requires clarification before final implementation.

Q2: What is the difference between the packaging formats listed for these parts?

A: The CDH53-151JC is supplied in bulk packaging format, while the CDH53NP-151JC is supplied in Tape & Reel (TR) format. Tape & Reel packaging is optimized for automated pick-and-place assembly equipment used in high-volume manufacturing. Bulk packaging is suitable for manual assembly or lower-volume applications. The choice between formats depends on production methodology and volume requirements.

Q3: Why does the CDH53-151JC show obsolete status?

A: The CDH53-151JC has reached end-of-life status with the manufacturer. The CDH53NP-151JC represents the active production equivalent, ensuring continued availability and support for applications requiring this inductance value and current rating.

Q4: What is the significance of RoHS compliance for this inductor?

A: RoHS (Restriction of Hazardous Substances) compliance restricts the use of specific hazardous materials in electrical and electronic equipment. The CDH53NP-151JC achieves ROHS3 compliance, making it suitable for applications and markets with environmental regulatory requirements. The original CDH53-151JC is non-compliant and may not be acceptable for new designs or procurement in regulated industries.

Q5: Does the extended temperature range of the CDH53NP-151JC affect circuit performance?

A: The CDH53NP-151JC operates from -40°C to 100°C, compared to -30°C to 100°C for the original part. This extended lower temperature limit provides additional performance margin in cold environment applications. The inductance value and electrical characteristics remain consistent across the operating temperature range for both parts.

Q6: Are there any compatibility issues with PCB footprints or assembly processes?

A: Both the CDH53-151JC and CDH53NP-151JC share identical physical dimensions (6.00 mm × 5.20 mm × 3.20 mm maximum height) and nonstandard package configuration. PCB footprints and mechanical assembly requirements are identical. The primary difference is packaging format (bulk versus Tape & Reel), which affects handling and assembly methodology but not component placement or electrical performance.