RSF2JT620R Equivalent & Substitute Parts

Part Overview

The RSF2JT620R is a 620 Ohms ±5% 2W axial through-hole resistor manufactured by Stackpole Electronics Inc. This metal oxide film resistor features flame retardant coating and safety design, with an operating temperature range of -55°C to 235°C. The part is Active status and ROHS3 compliant. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility allow direct replacement in circuit applications.

Substiute Parts

RSF2JT620R

Stackpole Electronics IncIn Stock: 1170RSF2JT620R Datasheet

Current PartRFQ

RSMF3JT620R

Stackpole Electronics IncIn Stock: 2689RSMF3JT620R Datasheet

UpgradeRFQ

RSMF2JT620R

Stackpole Electronics IncIn Stock: 11479RSMF2JT620R Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RSF2JT620R is determined by the following criteria:

Electrical Parameters (Must Match):

• Resistance value: 620 Ohms
• Tolerance: ±5%
• Composition: Metal Oxide Film
• Temperature Coefficient: ±200ppm/°C
• Operating Temperature Range: -55°C ~ 235°C

Mechanical Parameters (Must Match):

• Package Type: Axial through-hole
• Number of Terminations: 2

Power Rating Consideration:

• The main part operates at 2W. Substitute parts with equal or higher power ratings (2W or greater) are acceptable, as higher power ratings provide equivalent or superior thermal performance in the same physical package class.

Compliance Parameters (Must Match):

• RoHS Status: ROHS3 Compliant
• REACH Status: REACH Unaffected

The identified substitutes meet all electrical and mechanical requirements while maintaining compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

RSMF2JT620R (Manufacturer Recommended): This part is the direct equivalent to RSF2JT620R with identical electrical and power specifications. Both are 2W rated metal oxide film resistors with 620 Ohms resistance and ±5% tolerance. The RSMF2JT620R is available in Cut Tape packaging with higher inventory (11,391 pcs) compared to the original part's Tape & Reel packaging. Both maintain ROHS3 compliance and REACH unaffected status. The primary difference is packaging format and physical dimensions (4.50mm x 11.00mm versus 5.50mm x 15.00mm).

RSMF3JT620R (Upgrade Option): This part provides a higher power rating of 3W while maintaining all other electrical specifications identical to the RSF2JT620R. The 3W rating offers increased thermal margin in applications where the 2W rating is marginal. Physical dimensions remain consistent with the 2W variant (5.50mm x 15.00mm). This part is available in Cut Tape packaging with substantial inventory (2,659 pcs). Selection of this upgrade is appropriate when thermal performance enhancement is beneficial without circuit redesign.

Frequently Asked Questions (FAQ)

Q: Can RSMF2JT620R directly replace RSF2JT620R? A: Yes. Both parts are 620 Ohms ±5% 2W metal oxide film axial resistors with identical electrical specifications, temperature coefficients, and operating ranges. The primary difference is packaging format (Cut Tape versus Tape & Reel) and physical dimensions. Electrical performance is equivalent.

Q: What is the advantage of using RSMF3JT620R instead of the 2W variants? A: The RSMF3JT620R provides a 3W power rating compared to 2W in the original and RSMF2JT620R. This higher rating increases thermal headroom in power-dissipation-sensitive applications. All other electrical parameters remain identical. Selection depends on circuit thermal requirements.

Q: Are there physical dimension differences between these parts? A: Yes. The RSF2JT620R measures 5.50mm diameter x 15.00mm length. The RSMF2JT620R measures 4.50mm diameter x 11.00mm length. The RSMF3JT620R maintains the same dimensions as RSF2JT620R (5.50mm x 15.00mm). Verify PCB layout compatibility before substitution.

Q: Do all substitute parts maintain compliance certifications? A: Yes. All listed parts are ROHS3 compliant and REACH unaffected, matching the original RSF2JT620R compliance status.

Q: What packaging formats are available? A: RSF2JT620R is supplied in Tape & Reel format. Both RSMF2JT620R and RSMF3JT620R are supplied in Cut Tape format. Confirm packaging requirements for your procurement and assembly process.