RLR07C4020FSBSL Equivalent & Substitute Parts

Part Overview

The RLR07C4020FSBSL is a 402 Ohms ±1% 0.25W through-hole resistor manufactured by Vishay Dale, designed for military applications per MIL-PRF-39017/01 specification. This metal film axial resistor features moisture resistance and weldability, making it suitable for demanding environments requiring high reliability. The part is currently active in production with 847 pieces in stock. Substitute parts are identified when identical electrical and mechanical parameters are maintained across the same product series, ensuring direct interchangeability in circuit designs.

Substiute Parts

RLR07C4020FSBSL

Vishay DaleIn Stock: 950RLR07C4020FSBSL Datasheet

Current PartRFQ

RLR07C4020FSB14

Vishay DaleIn Stock: 1324RLR07C4020FSB14 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RLR07C4020FSBSL is determined by strict equivalence across all critical electrical and mechanical parameters. The following parameters must remain identical for a part to qualify as a direct substitute:

• Resistance value: 402 Ohms
• Tolerance: ±1%
• Power rating: 0.25W (1/4W)
• Composition: Metal Film
• Package configuration: Axial
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -65°C to 150°C
• Physical dimensions: 0.090" Dia x 0.250" L
• Military series compliance: MIL-PRF-39017/01, RLR07 base product
• Features: Military grade, moisture resistant, weldable

The RLR07C4020FSB14 meets all these criteria and is classified as a parametric equivalent within the same RLR07 military resistor series.

Parameter Comparison

Engineering Selection Recommendations

Both the RLR07C4020FSBSL and RLR07C4020FSB14 are active production parts from Vishay Dale with identical electrical and mechanical specifications. Selection between these parts may be based on inventory availability: RLR07C4020FSBSL has 847 pieces in stock, while RLR07C4020FSB14 has 1251 pieces available. Both parts maintain the same military-grade compliance, failure rate classification, and regulatory status (RoHS non-compliant, REACH Affected, EAR99 export classification). No technical differentiation exists between these parts for circuit design purposes.

Frequently Asked Questions (FAQ)

Q: Can RLR07C4020FSB14 be used as a direct replacement for RLR07C4020FSBSL?

A: Yes. Both parts are parametric equivalents with identical resistance, tolerance, power rating, temperature coefficient, operating temperature range, physical dimensions, and military specifications. Direct substitution is permissible without circuit redesign.

Q: Are there any differences in military compliance between these parts?

A: No. Both parts comply with MIL-PRF-39017/01 specification and belong to the same RLR07 military resistor series with identical failure rate classification (S, 0.001%).

Q: What determines substitution eligibility for RLR07 series resistors?

A: Substitution requires exact matching of resistance value, tolerance, power rating, composition, package type, temperature coefficient, operating temperature range, physical dimensions, and military series designation. All these parameters must be identical.

Q: Do these parts have different regulatory or compliance statuses?

A: No. Both parts share identical RoHS status (non-compliant), REACH status (Affected), ECCN classification (EAR99), and HTSUS code (8533.21.0090).

Q: Which part should be selected based on availability?

A: RLR07C4020FSB14 has higher inventory (1251 pieces) compared to RLR07C4020FSBSL (847 pieces). Selection may prioritize availability based on project timeline requirements.