WLBR100FE Equivalent & Substitute Parts

Part Overview

The WLBR100FE is a 100 mOhms ±1% 1W through-hole axial wirewound resistor manufactured by Ohmite. Designed for current sense applications, this component features moisture-resistant construction and operates across industrial temperature ranges. The part maintains Active product status with 818 units in current inventory stock.

Substitute parts become necessary when packaging requirements differ, inventory availability fluctuates, or procurement specifications mandate alternative delivery formats such as tape and reel configurations for automated assembly processes.

Substiute Parts

WLBR100FE

OhmiteIn Stock: 884WLBR100FE Datasheet

Current PartRFQ

WLBR100FET

OhmiteIn Stock: 2140WLBR100FET Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the WLBR100FE is determined by electrical and mechanical parameter equivalence:

Electrical Parameters (Must Match):

• Resistance value: 100 mOhms
• Tolerance: ±1%
• Power rating: 1W
• Temperature coefficient: ±100ppm/°C
• Composition: Wirewound

Mechanical Parameters (Must Match):

• Package type: Axial
• Physical dimensions: 0.130" Dia x 0.276" L (3.30mm x 7.00mm)
• Number of terminations: 2

Allowed Variation:

• Packaging format (bulk vs. tape and reel)
• RoHS compliance level (ROHS3 vs. RoHS Compliant)
• Moisture sensitivity level classification

The WLBR100FET qualifies as a direct substitute based on identical electrical specifications and mechanical form factor, with the primary distinction being packaging delivery method.

Parameter Comparison

Engineering Selection Recommendations

Both WLBR100FE and WLBR100FET are Active status components manufactured by Ohmite with identical electrical and mechanical specifications. Selection between these parts is determined by procurement and assembly requirements:

WLBR100FE is appropriate for manual assembly, prototyping, or applications requiring bulk component delivery. This variant carries ROHS3 compliance certification.

WLBR100FET is specified for automated pick-and-place assembly processes utilizing tape and reel packaging. This variant maintains RoHS compliance with higher current inventory availability (2036 units vs. 818 units).

Both parts satisfy current sense resistor applications with equivalent performance characteristics and moisture-resistant construction.

Frequently Asked Questions (FAQ)

Q: Can WLBR100FET replace WLBR100FE in circuit applications?

A: Yes. Both parts are electrically and mechanically identical. The WLBR100FET differs only in packaging format (tape and reel vs. bulk), which does not affect circuit performance or electrical characteristics.

Q: What is the difference between ROHS3 and RoHS compliance?

A: Both designations indicate compliance with Restriction of Hazardous Substances regulations. ROHS3 represents the current EU directive version. Both parts meet hazardous substance restrictions for electronic components.

Q: Which part should be selected for automated assembly?

A: The WLBR100FET is packaged in tape and reel format, which is the standard delivery method for automated pick-and-place assembly equipment. The WLBR100FE bulk packaging is suitable for manual assembly processes.

Q: Are the physical dimensions identical?

A: Yes. Both parts measure 0.130" diameter by 0.276" length (3.30mm x 7.00mm) and maintain identical axial package geometry.

Q: What applications require 100 mOhms ±1% current sense resistors?

A: These components are used in power supply circuits, motor control systems, battery management systems, and other applications requiring precise current measurement through low-value precision resistors.