K2000F1 Equivalent & Substitute Parts

Part Overview

The K2000F1 is a SIDAC thyristor manufactured by Littelfuse Inc., designed for applications requiring bidirectional thyristor switching at 190–215V breakover voltage with 1A peak output capability. The device is packaged in TO-202 Long Tab configuration and operates across the industrial temperature range of -40°C to 125°C.

The K2000F1 is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production or maintenance requirements for systems utilizing this component.

Substiute Parts

K2000F1

Littelfuse Inc.In Stock: 5144K2000F1 Datasheet

Current PartRFQ

K2000GRP

Littelfuse Inc.In Stock: 5982K2000GRP Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the K2000F1 is determined by electrical parameter equivalence and compliance certification alignment. The following criteria establish valid substitution:

• Voltage - Breakover: 190 ~ 215V (identical range required)
• Current - Breakover: 10 µA (identical specification required)
• Current - Hold (Ih) (Max): 150 mA (identical specification required)
• Current - Peak Output: 1 A (identical specification required)
• Operating Temperature: -40°C ~ 125°C (TJ) (identical range required)
• RoHS Status: ROHS3 Compliant (compliance requirement maintained)

Package configuration may differ provided the electrical characteristics remain equivalent and the substitute part is suitable for the application's physical constraints.

Parameter Comparison

Engineering Selection Recommendations

The K2000GRP is the manufacturer-recommended substitute for the K2000F1. Both components are manufactured by Littelfuse Inc. and maintain identical electrical specifications across all critical parameters: breakover voltage, breakover current, hold current, peak output current, and operating temperature range.

The K2000GRP is classified as Active product status, ensuring ongoing availability and supply chain support. Both parts maintain ROHS3 compliance and equivalent regulatory classification (ECCN: EAR99, HTSUS: 8541.30.0080).

The primary difference is packaging: the K2000F1 uses TO-202 Long Tab configuration, while the K2000GRP uses DO-15 axial packaging. Selection between these variants depends on circuit board layout, PCB footprint availability, and mechanical mounting requirements. Electrical performance and functional equivalence are maintained across both package types.

Frequently Asked Questions (FAQ)

Q: Can K2000GRP directly replace K2000F1 in all applications?

A: Electrical substitution is valid. The K2000GRP maintains identical electrical specifications. Physical substitution requires verification that the DO-15 axial package is compatible with the PCB layout and mechanical constraints of the original TO-202 Long Tab design.

Q: Why is the K2000F1 classified as obsolete?

A: Obsolescence indicates the part is no longer in active production. The K2000GRP, as an active product from the same manufacturer with identical electrical characteristics, serves as the current production equivalent.

Q: Are there compliance differences between K2000F1 and K2000GRP?

A: Both parts maintain ROHS3 compliance and identical regulatory classifications. No compliance degradation occurs with substitution.

Q: What is the primary consideration when selecting between K2000F1 and K2000GRP?

A: Package configuration is the primary selection criterion. The TO-202 Long Tab and DO-15 axial packages have different physical dimensions and PCB mounting requirements. Verify footprint compatibility before implementation.

Q: Is the K2000GRP recommended by the manufacturer?

A: Yes. The K2000GRP is listed as the manufacturer-recommended substitute part for the K2000F1.