DC1050R-335K Equivalent & Substitute Parts

Part Overview

The DC1050R-335K is a 3.3 mH fixed unshielded inductor manufactured by API Delevan Inc., rated for 1.2 A continuous current with a maximum DC resistance of 1.27 Ohm. This through-hole radial component operates across the temperature range of -55°C to 125°C and is designed for applications requiring stable inductance at 1 kHz test frequency. The part maintains Active product status with full RoHS3 compliance and REACH unaffected certification. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter tolerances.

Substiute Parts

DC1050R-335K

API Delevan Inc.In Stock: 901DC1050R-335K Datasheet

Current PartRFQ

1130-332K-RC

Bourns Inc.In Stock: 9631130-332K-RC Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the DC1050R-335K are qualified based on the following critical parameters:

Electrical Equivalence Criteria:

• Inductance value: 3.3 mH with ±10% tolerance
• DC resistance: 1.27 Ohm maximum
• Current rating: minimum 1.2 A continuous
• Saturation current: minimum 1.3 A

Mechanical Compatibility Criteria:

• Mounting type: Through Hole
• Package configuration: Radial, Vertical Cylinder
• Physical dimensions: compatible with 1.180" diameter and 0.840" height envelope

Compliance Requirements:

• RoHS3 compliance mandatory
• REACH unaffected status required
• Operating temperature range: minimum -55°C to 105°C

The substitute part 1130-332K-RC from Bourns Inc. meets all electrical and mechanical criteria. The substitute demonstrates equivalent inductance, identical DC resistance specification, higher current rating (1.3 A vs. 1.2 A), and compatible through-hole radial package configuration. Both parts maintain RoHS3 compliance and REACH unaffected status.

Parameter Comparison

Engineering Selection Recommendations

Primary Part: DC1050R-335K

Select the DC1050R-335K when the full operating temperature range of -55°C to 125°C is required. This part provides the specified upper temperature limit and maintains Active product status with full RoHS3 compliance and REACH unaffected certification. Current inventory of 792 pieces supports immediate availability.

Substitute Part: 1130-332K-RC

The 1130-332K-RC from Bourns Inc. qualifies as a direct substitute when operating temperature does not exceed 105°C. This part delivers equivalent inductance (3.3 mH), identical DC resistance (1.27 Ohm maximum), and higher current rating (1.3 A). The substitute maintains through-hole radial package compatibility with equivalent seated height (0.840"). Both parts hold Active product status, RoHS3 compliance, and REACH unaffected certification. The substitute diameter is 1.100" compared to 1.180" for the main part; verify PCB layout clearance before selection. Current inventory of 860 pieces supports availability.

Selection Criteria:

• Use DC1050R-335K for applications requiring operation above 105°C
• Use 1130-332K-RC for applications with maximum operating temperature of 105°C or below
• Verify PCB footprint accommodates the 1.100" diameter of the substitute part
• Both parts are suitable for 1 kHz inductance testing and equivalent circuit applications

Frequently Asked Questions (FAQ)

Q: Can the 1130-332K-RC replace the DC1050R-335K in all applications?

A: The 1130-332K-RC is compatible with applications operating at or below 105°C. If your circuit operates above 105°C, the DC1050R-335K is required. Both parts deliver equivalent inductance (3.3 mH) and DC resistance (1.27 Ohm maximum).

Q: What is the difference in physical size between these parts?

A: The DC1050R-335K has a diameter of 1.180" (29.98 mm), while the 1130-332K-RC has a diameter of 1.100" (27.94 mm). Both share identical seated height of 0.840" (21.34 mm). Verify your PCB layout accommodates the smaller diameter of the substitute before selection.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the DC1050R-335K and 1130-332K-RC are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: What is the current rating difference between these parts?

A: The DC1050R-335K is rated for 1.2 A continuous current, while the 1130-332K-RC is rated for 1.3 A. The substitute part has a higher current rating and can be used in applications requiring up to 1.2 A without derating.

Q: Do both parts have the same DC resistance?

A: Yes. Both parts specify a maximum DC resistance of 1.27 Ohm, ensuring equivalent performance in circuits where DC resistance is a critical parameter.

Q: What mounting type do these parts use?

A: Both parts are through-hole mounted components with radial, vertical cylinder package configuration, suitable for standard PCB assembly processes.

Q: Are there any compliance differences between the two parts?

A: Both parts maintain Active product status, RoHS3 compliance, and REACH unaffected certification. No compliance differences exist between the DC1050R-335K and 1130-332K-RC.