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5KP200 Transient Voltage Suppressor (TVS) Diode - Equivalent & Substitute Parts
Part Overview
The 5KP200 is a unidirectional Zener-type transient voltage suppressor diode manufactured by Littelfuse Inc., designed for general-purpose voltage clamping applications. It features a 200V reverse standoff voltage rating and 5000W peak pulse power handling capability in a through-hole P600 axial package.
The 5KP200 is classified as obsolete. Identifying suitable substitute components is necessary to maintain design continuity and ensure component availability for new production runs, repairs, and system upgrades.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Littelfuse Inc. |
| Series | 5KP |
| Type | Zener |
| Unidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 200V |
| Power - Peak Pulse | 5000W (5kW) |
| Mounting Type | Through Hole |
| Package / Case | P600, Axial |
| Operating Temperature Range | -55°C ~ 175°C (TJ) |
| RoHS Status | ROHS3 Compliant |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution of the 5KP200 is determined by the following critical parameters:
- Voltage Rating Match: Reverse standoff voltage of 200V (±tolerance)
- Power Handling: Peak pulse power of 5000W (5kW)
- Package Compatibility: P600 axial through-hole package
- Electrical Type: Unidirectional Zener diode configuration
- Series Compatibility: Littelfuse 5KP series maintains consistent electrical and mechanical specifications
- Compliance Requirements: ROHS3 compliance and operating temperature range of -55°C to 175°C
The 5KP200A qualifies as a direct substitute based on matching all critical parameters within the allowed electrical and mechanical specifications for this product category.
Parameter Comparison
| Parameter | 5KP200 (Main Part) | 5KP200A (Substitute) |
|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. |
| Series | 5KP | 5KP |
| Type | Zener | Zener |
| Unidirectional Channels | 1 | 1 |
| Voltage - Reverse Standoff (Typ) | 200V | 200V |
| Voltage - Breakdown (Min) | 210.6V | 222V |
| Voltage - Clamping (Max) @ Ipp | 345.66V | 329.2V |
| Current - Peak Pulse (10/1000µs) | Not specified | 15.5A |
| Power - Peak Pulse | 5000W (5kW) | 5000W (5kW) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | P600, Axial | P600, Axial |
| Operating Temperature Range | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Obsolete | Active |
Engineering Selection Recommendations
The 5KP200A is the appropriate substitute for the obsolete 5KP200 based on the following factors:
Product Status: The 5KP200A maintains active product status with Littelfuse Inc., ensuring ongoing availability and manufacturing support. The 5KP200 is obsolete and no longer in production.
Compliance Certification: Both parts maintain ROHS3 compliance, satisfying regulatory requirements for electronic component use in regulated markets.
Electrical Equivalence: The 5KP200A maintains the same reverse standoff voltage (200V), peak pulse power rating (5000W), and operating temperature range (-55°C to 175°C). The clamping voltage of the 5KP200A (329.2V) is lower than the 5KP200 (345.66V), representing improved performance characteristics within the same voltage class.
Mechanical Compatibility: Both parts use identical P600 axial through-hole packaging, enabling direct physical substitution without circuit board redesign or mechanical rework.
Packaging Format: The 5KP200A is supplied in cut tape (CT) packaging, which is standard for active production components and supports automated assembly processes.
Frequently Asked Questions (FAQ)
Q: Can the 5KP200A be used as a direct replacement for the 5KP200 in existing designs?
A: Yes. The 5KP200A is electrically and mechanically compatible with the 5KP200. Both parts share identical reverse standoff voltage (200V), peak pulse power rating (5000W), and P600 axial package specifications. The 5KP200A is the designated substitute for the obsolete 5KP200.
Q: What is the difference in clamping voltage between the 5KP200 and 5KP200A?
A: The 5KP200 has a maximum clamping voltage of 345.66V, while the 5KP200A has a maximum clamping voltage of 329.2V. The lower clamping voltage of the 5KP200A represents improved transient suppression performance within the same voltage class.
Q: Are both parts RoHS compliant?
A: Yes. Both the 5KP200 and 5KP200A are ROHS3 compliant, meeting environmental and regulatory requirements for electronic component use.
Q: What is the operating temperature range for these parts?
A: Both the 5KP200 and 5KP200A operate across a temperature range of -55°C to 175°C (junction temperature), supporting applications across industrial and commercial temperature environments.
Q: Why is the 5KP200 obsolete?
A: The 5KP200 has been discontinued by Littelfuse Inc. The 5KP200A serves as the active production equivalent and is the recommended substitute for all new designs and component procurement.
Q: Are there any package or mounting differences between these parts?
A: No. Both parts use identical P600 axial through-hole packaging and mounting specifications, enabling direct physical substitution without circuit board modifications.
Q: What is the peak pulse power rating for both parts?
A: Both the 5KP200 and 5KP200A are rated for 5000W (5kW) peak pulse power, providing equivalent transient energy absorption capability.
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