F1827HD1600 Equivalent & Substitute Parts

Part Overview

The F1827HD1600 is an SCR/Diode chassis mount module manufactured by Sensata-Crydom, designed for 1.6 kV series connection applications. This module integrates one SCR and one diode in a single package for thyristor switching and protection circuits. The product is currently obsolete, making equivalent substitute parts necessary for ongoing system maintenance, repairs, and new designs requiring compatible functionality.

Substiute Parts

F1827HD1600

Sensata-CrydomIn Stock: 1159F1827HD1600 Datasheet

Current PartRFQ

VS-VSKH26/16

Vishay General Semiconductor - Diodes DivisionIn Stock: 1191VS-VSKH26/16 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the F1827HD1600 is determined by the following critical electrical and mechanical parameters:

• Voltage Rating (Off State): Must match 1.6 kV to ensure equivalent blocking capability
• Structure: Must maintain Series Connection - SCR/Diode configuration with 1 SCR and 1 Diode
• Gate Trigger Characteristics: Vgt (Max) and Igt (Max) must be compatible with existing gate drive circuits
• Surge Current Rating (Itsm): Must support 400A non-repetitive surge at 60Hz minimum
• Operating Temperature Range: Must support -40°C ~ 125°C (TJ) for thermal compatibility
• Mounting Type: Must be Chassis Mount to fit existing mechanical installations
• Compliance: RoHS compliance status ensures regulatory alignment

The VS-VSKH26/16 qualifies as a direct substitute based on matching all critical parameters within acceptable engineering tolerances.

Parameter Comparison

Engineering Selection Recommendations

The VS-VSKH26/16 is the qualified substitute for the obsolete F1827HD1600 based on the following engineering criteria:

• Electrical Equivalence: All critical voltage and current parameters match or exceed the original specification. The Vgt (Max) of 2.5 V on the substitute is lower than the 3 V maximum of the original, which provides improved gate drive efficiency without compromising circuit operation.

• Structural Compatibility: Both modules maintain identical Series Connection - SCR/Diode architecture with matching component counts, ensuring functional equivalence in series-connected thyristor applications.

• Thermal Performance: Identical operating temperature range (-40°C ~ 125°C TJ) ensures thermal compatibility in existing thermal management designs.

• Mechanical Fit: Both modules are Chassis Mount packages, maintaining compatibility with existing mechanical installations and PCB layouts.

• Regulatory Compliance: The VS-VSKH26/16 carries ROHS3 Compliant status, meeting current regulatory requirements. Both parts share the same ECCN (EAR99) and HTSUS (8541.30.0080) classifications.

• Product Status: The VS-VSKH26/16 is Active, ensuring long-term availability and supply chain continuity compared to the Obsolete F1827HD1600.

Frequently Asked Questions (FAQ)

Q: Can the VS-VSKH26/16 directly replace the F1827HD1600 in existing circuits?

A: Yes. The VS-VSKH26/16 meets all critical electrical parameters including voltage rating, gate trigger characteristics, surge current capability, and operating temperature range. The lower Vgt (Max) of 2.5 V versus 3 V improves gate drive performance without affecting circuit compatibility.

Q: What is the difference between the module packages?

A: The F1827HD1600 uses a standard Module package, while the VS-VSKH26/16 uses ADD-A-PAK (3 + 4) packaging. Both are Chassis Mount configurations with identical electrical performance. Mechanical mounting dimensions should be verified for your specific application.

Q: Are there any compliance differences between these parts?

A: The F1827HD1600 is RoHS Compliant, while the VS-VSKH26/16 is ROHS3 Compliant. Both share identical ECCN and HTSUS classifications. The ROHS3 status of the substitute reflects current regulatory standards.

Q: What parameters must match for substitution to be valid?

A: Critical matching parameters are: 1.6 kV off-state voltage, Series Connection - SCR/Diode structure, 1 SCR and 1 Diode configuration, 150 mA gate trigger current, 400A surge current rating, -40°C to 125°C operating temperature, and Chassis Mount installation type.

Q: Is the VS-VSKH26/16 available in the same quantities as the F1827HD1600?

A: Current inventory shows 1151 Pcs of VS-VSKH26/16 available as New Original In Stock, compared to 1093 Pcs of the obsolete F1827HD1600. The substitute offers superior supply availability due to its Active product status.