Equivalent & Substitute Parts for 45F6K0

Part Overview

The 45F6K0 is a 6 kOhms ±1% 5W through-hole resistor with axial wirewound composition, manufactured by Ohmite as part of the Ohmicone® 40 series. This component is classified as Active product status. Substitute parts are identified when original stock availability is limited, when alternative packaging formats are required, or when compliance certifications differ from the primary specification.

Substiute Parts

45F6K0

OhmiteIn Stock: 80545F6K0 Datasheet

Current PartRFQ

45F6K0E

OhmiteIn Stock: 483245F6K0E Datasheet

Parametric EquivalentRFQ

ALSR056K000FE12

Vishay DaleIn Stock: 717ALSR056K000FE12 Datasheet

DirectRFQ

45F6K0E

OhmiteIn Stock: 483245F6K0E Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 45F6K0 are grouped based on the following critical parameters that determine functional equivalence:

• Resistance value: 6 kOhms
• Tolerance: ±1%
• Power rating: 5W
• Composition: Wirewound
• Package: Axial with 2 terminations
• Physical dimensions: Compatible with 0.343" diameter and 0.937" length specifications

The 45F6K0E (Ohmite) qualifies as a parametric equivalent, matching all electrical and mechanical specifications while differing in packaging format (Bulk vs. standard) and RoHS compliance status. The ALSR056K000FE12 (Vishay Dale) qualifies as a direct manufacturer alternative, meeting all core electrical parameters with minor dimensional variance and enhanced moisture resistance features.

Parameter Comparison

Engineering Selection Recommendations

Selection between the 45F6K0 and its substitutes depends on compliance and certification requirements:

The 45F6K0E (Ohmite) is the primary substitute when RoHS compliance is required. It maintains identical electrical specifications and physical dimensions while providing RoHS Compliant certification. This part is suitable for applications where regulatory compliance is mandatory.

The ALSR056K000FE12 (Vishay Dale) is the alternative when extended operating temperature range and moisture resistance are required. This part provides ROHS3 Compliant certification and operates across -65°C to 250°C, compared to unspecified operating temperature for the Ohmite variants. Dimensional variance (0.312" Dia x 0.875" L) must be verified for PCB layout compatibility. Temperature coefficient is ±30ppm/°C versus ±20ppm/°C for the primary part.

Frequently Asked Questions (FAQ)

Q: Can the 45F6K0E be used as a direct replacement for the 45F6K0?

A: Yes. The 45F6K0E matches all electrical parameters (6 kOhms ±1% 5W wirewound) and physical dimensions (0.343" Dia x 0.937" L). The primary difference is RoHS compliance status and packaging format. Verify that your application does not require the specific RoHS non-compliant designation of the original part.

Q: What are the dimensional differences between the 45F6K0 and ALSR056K000FE12?

A: The ALSR056K000FE12 has slightly smaller dimensions: 0.312" Dia x 0.875" L (7.92mm x 22.23mm) compared to 0.343" Dia x 0.937" L (8.70mm x 23.80mm) for the 45F6K0. Verify PCB layout and mounting clearances before substitution.

Q: Is the ALSR056K000FE12 suitable for high-temperature applications?

A: The ALSR056K000FE12 specifies an operating temperature range of -65°C to 250°C, whereas the 45F6K0 does not provide an operating temperature specification. If your application requires operation above standard ambient conditions, the ALSR056K000FE12 provides documented temperature performance.

Q: What is the significance of the ±30ppm/°C temperature coefficient in the ALSR056K000FE12?

A: The ALSR056K000FE12 has a temperature coefficient of ±30ppm/°C compared to ±20ppm/°C for the 45F6K0 and 45F6K0E. This means resistance value will drift slightly more with temperature changes. For precision applications requiring tight temperature stability, the ±20ppm/°C variants are preferred.

Q: Are all three parts suitable for moisture-sensitive environments?

A: The 45F6K0E and ALSR056K000FE12 both specify Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions. The 45F6K0 lists MSL as Not Applicable. The ALSR056K000FE12 additionally specifies moisture-resistant construction as a feature.