F1827HD600 Equivalent & Substitute Parts

Part Overview

The F1827HD600 is an SCR/Diode chassis mount module manufactured by Sensata-Crydom, designed for 600V applications with integrated thyristor and diode functionality. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for system maintenance, repair, and redesign applications. The module operates across an industrial temperature range of -40°C to 125°C and is RoHS compliant.

Substiute Parts

F1827HD600

Sensata-CrydomIn Stock: 940F1827HD600 Datasheet

Current PartRFQ

VS-VSKH26/06

Vishay General Semiconductor - Diodes DivisionIn Stock: 999VS-VSKH26/06 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the F1827HD600 is based on the following critical parameters that must remain constant or compatible:

• Voltage Rating (Off State): 600V minimum requirement
• Gate Trigger Specifications: Vgt (Max) and Igt (Max) within acceptable operating margins
• Surge Current Capability: Itsm rating sufficient for application demands
• Temperature Operating Range: -40°C to 125°C compatibility
• Structural Configuration: Series Connection - SCR/Diode topology with 1 SCR and 1 Diode
• Mounting Configuration: Chassis mount form factor
• Compliance Status: RoHS compliance maintained

The VS-VSKH26/06 meets all substitution criteria through equivalent voltage ratings, compatible gate trigger parameters, matching surge current specifications, and identical temperature operating range. Both components maintain the same series-connected SCR/Diode structure with chassis mount configuration.

Parameter Comparison

Engineering Selection Recommendations

The VS-VSKH26/06 serves as a direct functional equivalent for the obsolete F1827HD600. Selection is supported by:

• Voltage Equivalence: Both components rated at 600V off-state voltage
• Gate Control Compatibility: Identical maximum gate trigger current (150 mA) with the VS-VSKH26/06 featuring a lower gate trigger voltage threshold (2.5V vs. 3V), which is operationally compatible
• Surge Current Performance: The VS-VSKH26/06 maintains equivalent or superior surge current ratings (400A/420A vs. 400A)
• Thermal Compatibility: Identical operating temperature range (-40°C to 125°C)
• Compliance Status: Both components maintain RoHS compliance; the VS-VSKH26/06 carries ROHS3 certification
• Active Product Status: The VS-VSKH26/06 is classified as active, ensuring ongoing availability and supply chain continuity

The primary consideration is package form factor: the F1827HD600 uses standard Module packaging, while the VS-VSKH26/06 uses ADD-A-PAK (3 + 4) configuration. Physical mounting and PCB layout modifications may be required.

Frequently Asked Questions (FAQ)

Q: Can the VS-VSKH26/06 directly replace the F1827HD600 without circuit modifications?

A: The VS-VSKH26/06 is electrically equivalent across all critical parameters. However, the package form factor differs (ADD-A-PAK vs. standard Module), requiring physical mounting and PCB layout adjustments. Gate control circuitry remains compatible due to matching Igt specifications and lower Vgt threshold.

Q: What is the significance of the lower gate trigger voltage (2.5V vs. 3V) on the VS-VSKH26/06?

A: The lower Vgt maximum on the VS-VSKH26/06 indicates improved gate sensitivity. This is operationally compatible and does not require circuit redesign, as the gate control circuit will trigger the device at or below the original 3V specification.

Q: Are both components suitable for 60Hz surge current applications?

A: Yes. Both the F1827HD600 and VS-VSKH26/06 are rated for 400A non-repetitive surge current at 60Hz, meeting identical application requirements.

Q: What compliance certifications apply to both components?

A: The F1827HD600 carries RoHS compliance. The VS-VSKH26/06 carries ROHS3 compliance, representing an updated regulatory standard. Both meet current environmental and material restriction requirements.

Q: Is the VS-VSKH26/06 currently available?

A: Yes. The VS-VSKH26/06 is classified as an active product with 947 pieces in stock, ensuring supply chain availability compared to the obsolete F1827HD600.