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FJB5555TM Equivalent & Substitute Parts Reference
Part Overview
The FJB5555TM is an NPN Bipolar Junction Transistor (BJT) designed for high-voltage and high-current applications, rated at 400V and 5A. Its D2PAK surface-mount package and compliance with ROHS3 and REACH environmental standards make it suitable for a range of electronic designs. The FJB5555TM has been designated as obsolete, necessitating the identification of alternative models for continued manufacturing support and supply chain reliability.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Transistor Type | NPN |
| Voltage - Collector Emitter Breakdown (Max) | 400 V |
| Current - Collector (Ic) (Max) | 5 A |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution for the FJB5555TM is determined strictly by matching the following key parameters: NPN transistor type, maximum collector-emitter voltage of 400V, maximum collector current of 5A, and surface-mount packaging with ROHS3 compliance and unaffected REACH status. Only parts that exactly satisfy these criteria are considered valid substitutes.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Transistor Type | Voltage - Collector Emitter Breakdown (Max) | Current - Collector (Ic) (Max) | Mounting Type | RoHS Status | REACH Status | Product Status |
|---|---|---|---|---|---|---|---|---|
| FJB5555TM | onsemi | NPN | 400 V | 5 A | Surface Mount | ROHS3 Compliant | REACH Unaffected | Obsolete |
| FJD5555TM | onsemi | NPN | 400 V | 5 A | Surface Mount | ROHS3 Compliant | REACH Unaffected | Active |
Engineering Selection Recommendations
FJB5555TM is identified as obsolete, while the substitute part FJD5555TM is active and available. Both parts are ROHS3 compliant and REACH unaffected. Selection should be based on product lifecycle status and environmental compliance as provided.
Frequently Asked Questions (FAQ)
Q1: What are the main criteria for selecting a substitute for the FJB5555TM?
A1: Substitution is based on matching transistor type (NPN), maximum collector-emitter voltage (400V), maximum collector current (5A), surface-mount package, and ROHS3/REACH compliance.
Q2: Is FJD5555TM fully compatible with FJB5555TM?
A2: FJD5555TM matches all specified substitution parameters and is listed as a substitute for FJB5555TM.
Q3: Does the packaging type affect compatibility?
A3: Both the FJB5555TM and FJD5555TM are surface-mount parts, consistent with the substitution requirements.
Q4: Are there any environmental compliance differences between FJB5555TM and FJD5555TM?
A4: Both are ROHS3 compliant and REACH unaffected, meeting standard environmental requirements.
Q5: Why is finding a substitute necessary?
A5: The FJB5555TM is obsolete, making substitution required for continued product lifecycle management and manufacturing continuity.
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