Equivalent & Substitute Parts Reference: F1891RD1200

Part Overview

The Sensata-Crydom F1891RD1200 is a diode module in the Diodes, Rectifiers category, featuring a diode array with a 1 Pair Series Connection configuration. It is designed for chassis mount applications with a maximum DC reverse voltage of 1200 V and an average rectified current of 90 A (DC) per diode. The product has been classified as obsolete, which makes identifying and selecting appropriate substitute models critical to ensure ongoing maintenance and design continuity.

Substiute Parts

F1891RD1200

Sensata-CrydomIn Stock: 1164F1891RD1200 Datasheet

Current PartRFQ

F1892RD1200

Sensata-CrydomIn Stock: 865F1892RD1200 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the F1891RD1200 are selected strictly based on identical key parameters: diode configuration, voltage rating (DC reverse voltage), current handling (average rectified current per diode), forward voltage at specified current, recovery speed classification, operating temperature range, mounting type, and package form factor. Both main and substitute components must also match in compliance and supply status criteria to ensure form, fit, and function equivalence in target applications.

Key substitution parameters:

• Diode Configuration: 1 Pair Series Connection
• Voltage - DC Reverse (Vr) (Max): 1200 V
• Current - Average Rectified (Io) (per Diode): 90A (DC)
• Voltage - Forward (Vf) (Max) @ If: 1.4 V @ 270 A
• Speed: Standard Recovery >500ns, > 200mA (Io)
• Operating Temperature - Junction: -40°C ~ 125°C
• Mounting Type: Chassis Mount
• Package / Case: Module
• Moisture Sensitivity Level (MSL): Not Applicable
• ECCN: EAR99

Parameter Comparison

Engineering Selection Recommendations

Given that the F1891RD1200 is obsolete and the F1892RD1200 is active with identical electrical, mechanical, and compliance parameters, F1892RD1200 meets all direct substitution requirements. The F1892RD1200 is RoHS compliant and maintains the same ECCN and moisture sensitivity level as the original component.

Frequently Asked Questions (FAQ)

Q1: What parameters are critical for substituting the F1891RD1200 diode module?
A1: Critical substitution parameters include diode configuration, maximum DC reverse voltage (1200 V), average rectified current per diode (90A DC), forward voltage at specified current (1.4 V @ 270 A), speed classification, operating temperature range, mounting method, and package type.

Q2: Is the F1892RD1200 form-fit-function compatible with the F1891RD1200?
A2: The F1892RD1200 matches all key electrical and mechanical parameters, package, mounting method, and supplier device package, ensuring form-fit-function compatibility.

Q3: Are there any certification or compliance differences between the F1891RD1200 and F1892RD1200?
A3: The F1892RD1200 maintains the same ECCN classification and additionally qualifies as RoHS compliant. Moisture Sensitivity Level is 'Not Applicable' for both.

Q4: Can F1892RD1200 be used in all applications where F1891RD1200 was previously qualified?
A4: According to the provided key parameters, F1892RD1200 matches all criteria specified for F1891RD1200, supporting direct replacement in equivalent applications.

Q5: What package and mounting considerations exist for these modules?
A5: Both modules are supplied in the 'Module' package form for chassis mounting and are not sensitive to moisture, simplifying mechanical integration and handling.