Bourns 4309R-101-821 Equivalent & Substitute Parts

Part Overview

The Bourns 4309R-101-821 is an 8-resistor network array with 820 Ohm resistance values, designed for through-hole mounting in 9-SIP packaging. This component is classified as Active product status and is currently in stock with 902 units available. The part operates across a temperature range of -55°C to 125°C and is suitable for applications requiring bussed resistor networks with ±2% tolerance and 200mW power per element.

Substitute parts become necessary when the original part number is unavailable, when alternative packaging formats are required, or when compliance certifications differ from project specifications.

Substiute Parts

4309R-101-821

Bourns Inc.In Stock: 9284309R-101-821 Datasheet

Current PartRFQ

4609X-101-821LF

Bourns Inc.In Stock: 31514609X-101-821LF Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 4309R-101-821 is determined by strict equivalence across the following critical parameters:

• Resistance value: 820 Ohm (exact match required)
• Tolerance: ±2% (exact match required)
• Number of resistors: 8 (exact match required)
• Circuit type: Bussed (exact match required)
• Power per element: 200mW (exact match required)
• Temperature coefficient: ±100ppm/°C (exact match required)
• Operating temperature range: -55°C to 125°C (exact match required)
• Package type: 9-SIP (exact match required)
• Mounting type: Through Hole (exact match required)
• Number of pins: 9 (exact match required)

The substitute part 4609X-101-821LF meets all electrical and mechanical parameters required for direct substitution. The primary difference is packaging format (Bulk versus Tube) and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The 4609X-101-821LF is a direct electrical and mechanical substitute for the 4309R-101-821. Both parts are Active status products from Bourns Inc. with identical electrical specifications.

Selection between these parts should be based on:

• Compliance requirements: The 4609X-101-821LF is ROHS3 Compliant and REACH Unaffected, whereas the 4309R-101-821 is RoHS non-compliant and REACH Affected. Projects with regulatory compliance mandates should specify the 4609X-101-821LF.
• Packaging requirements: The 4309R-101-821 is supplied in Tube packaging; the 4609X-101-821LF is supplied in Bulk packaging. Packaging selection depends on procurement and assembly workflow requirements.
• Physical dimensions: Minor dimensional variations exist (length, width, and height). PCB layout and mechanical clearance must accommodate the 4609X-101-821LF maximum dimensions of 0.898" L x 0.098" W x 0.200" H.

Frequently Asked Questions (FAQ)

Q: Can the 4609X-101-821LF be used as a direct replacement for the 4309R-101-821 in existing designs?

A: Yes. Both parts are electrically and mechanically equivalent across all critical parameters: 820 Ohm resistance, ±2% tolerance, 8-resistor bussed configuration, 200mW power per element, ±100ppm/°C temperature coefficient, and 9-SIP through-hole package. Minor dimensional variations require verification of PCB layout clearances.

Q: What is the primary difference between these two parts?

A: The main differences are packaging format (Tube versus Bulk) and compliance certifications. The 4609X-101-821LF offers ROHS3 compliance and REACH unaffected status, while the 4309R-101-821 does not meet these certifications.

Q: Are there any electrical performance differences between the 4309R-101-821 and 4609X-101-821LF?

A: No. Both parts have identical electrical specifications: 820 Ohm resistance, ±2% tolerance, 200mW power per element, ±100ppm/°C temperature coefficient, and -55°C to 125°C operating range.

Q: What are the dimensional differences, and do they affect PCB compatibility?

A: The 4609X-101-821LF is slightly larger: 0.898" L x 0.098" W x 0.200" H compared to 0.884" L x 0.085" W x 0.195" H for the 4309R-101-821. PCB layout and mechanical clearances must accommodate the larger substitute part dimensions.

Q: Which part should be selected for new designs?

A: Selection depends on compliance requirements. For projects requiring ROHS3 compliance or REACH unaffected status, specify the 4609X-101-821LF. For applications without these regulatory mandates, either part is suitable based on packaging and availability requirements.