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F1857D600 Equivalent & Substitute Parts
Part Overview
The F1857D600 is a general-purpose diode module rated for 600 V DC reverse voltage and 55 A average rectified current in a chassis mount configuration. Manufactured by Sensata-Crydom, this component is classified as obsolete, indicating discontinuation from the manufacturer. Identification of equivalent substitute parts is necessary to maintain design continuity and ensure procurement availability for new production builds and field replacements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Voltage - DC Reverse (Vr) (Max) | 600 V |
| Current - Average Rectified (Io) | 55 A |
| Voltage - Forward (Vf) (Max) @ If | 1.4 V @ 165 A |
| Speed | Standard Recovery >500ns, > 200mA (Io) |
| Mounting Type | Chassis Mount |
| Package / Case | Module |
| Technology | Standard |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution of the F1857D600 is determined by equivalence across the following critical electrical and mechanical parameters:
Electrical Equivalence Criteria:
- Voltage - DC Reverse (Vr) (Max): 600 V minimum
- Current - Average Rectified (Io): 55 A minimum
- Recovery Speed: Standard Recovery >500ns, > 200mA (Io)
- Technology: Standard
Mechanical Equivalence Criteria:
- Mounting Type: Chassis Mount
- Package Configuration: Module or compatible form factor
The substitute part VS-VSKE56/06 meets all electrical requirements with a rated current of 60 A, exceeding the 55 A specification of the original part. Both components operate at identical voltage ratings and recovery speed classifications. The mounting configuration and chassis mount design ensure mechanical compatibility in existing circuit layouts.
Parameter Comparison
| Parameter | F1857D600 (Original) | VS-VSKE56/06 (Substitute) |
|---|---|---|
| Manufacturer | Sensata-Crydom | Vishay General Semiconductor - Diodes Division |
| Voltage - DC Reverse (Vr) (Max) | 600 V | 600 V |
| Current - Average Rectified (Io) | 55 A | 60 A |
| Voltage - Forward (Vf) (Max) @ If | 1.4 V @ 165 A | Not specified in provided data |
| Speed | Standard Recovery >500ns, > 200mA (Io) | Standard Recovery >500ns, > 200mA (Io) |
| Mounting Type | Chassis Mount | Chassis Mount |
| Package / Case | Module | ADD-A-PAK (3) |
| Technology | Standard | Standard |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS Compliant | ROHS3 Compliant |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8541.10.0080 | 8541.10.0080 |
Engineering Selection Recommendations
The VS-VSKE56/06 is a direct substitute for the obsolete F1857D600 based on the following factors:
Electrical Compatibility: Both components share identical voltage ratings (600 V DC reverse) and recovery speed classifications (Standard Recovery >500ns, > 200mA). The substitute part's 60 A current rating exceeds the original 55 A specification, providing operational margin within the same thermal and electrical envelope.
Compliance Status: The VS-VSKE56/06 maintains active product status with current manufacturing support. Both components carry equivalent export classification (EAR99) and tariff codes (8541.10.0080). The substitute part meets ROHS3 compliance, representing current regulatory standards.
Mechanical Integration: Chassis mount configuration is preserved in the substitute part. The ADD-A-PAK form factor is a standard industrial package type compatible with existing mounting infrastructure designed for modular diode configurations.
Availability: The substitute part is available in active inventory (1096 pieces), ensuring procurement continuity for production and field service applications.
Frequently Asked Questions (FAQ)
Q: Can the VS-VSKE56/06 directly replace the F1857D600 in existing circuit designs?
A: Yes. Both components meet identical voltage (600 V) and recovery speed specifications. The substitute part's higher current rating (60 A vs. 55 A) is compatible with circuits designed for the original 55 A component.
Q: What is the difference between the Module and ADD-A-PAK package types?
A: Both are chassis mount configurations for modular diode applications. The ADD-A-PAK is a standardized form factor used across multiple manufacturers. Physical dimensions and mounting hole patterns should be verified against the specific circuit board layout to confirm mechanical fit.
Q: Are there compliance differences between the original and substitute parts?
A: Both components carry EAR99 export classification and identical tariff codes. The substitute part meets ROHS3 compliance, which supersedes the RoHS Compliant designation of the original part. Both are classified under the same HTSUS code (8541.10.0080).
Q: What is the operating temperature range for the substitute part?
A: The VS-VSKE56/06 operates across a junction temperature range of -40°C to 150°C. This specification was not provided for the original F1857D600 in the available data.
Q: Is the substitute part affected by REACH regulations?
A: The VS-VSKE56/06 is classified as REACH Unaffected, indicating compliance with current European chemical regulations.
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