Obsolescence Solutions
Electronic component obsolescence presents a growing challenge across many industries, particularly within aerospace, defence, rail, medical and industrial applications where equipment lifecycles often exceed the availability of original components.
Charcroft supports customers throughout the product lifecycle, helping to identify replacement solutions, source hard-to-find components and maintain continuity of supply for legacy designs. Through our approved manufacturers, specialist sourcing partners and extensive industry experience, we help minimise the risks associated with end-of-life (EOL) components and supply chain disruption.
Whether you're managing an ageing product platform, supporting long-life equipment or seeking alternatives to discontinued components, our engineering and procurement teams can help identify the most appropriate solution.
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How Charcroft Can Help
Legacy Passive Components
Access to specialist manufacturers who continue to support legacy and obsolete resistor, capacitor and passive component technologies.
Alternative Component Selection
Technical assistance identifying form, fit and function replacements from approved manufacturers.
Off-Linecard Sourcing
upport locating hard-to-find and discontinued components through trusted global sourcing partners.
Approved Manufacturer Solutions
Access to high-reliability and specialist manufacturers capable of supporting long lifecycle programmes.
Lifecycle Management
Support with last-time-buy planning, stock management and long-term supply strategies.
Quality & Traceability
Components sourced through approved channels with full traceability wherever possible, helping to reduce counterfeit risk.
Legacy Passive Components
| Series | Original Manufacturer | Product Type | BS/CECC | Option |
|---|---|---|---|---|
| 4800 | Welwyn | Radial & axial resistors | Express Delivery | |
| 4802-BX | Radial resistors | CECC40302-002 | Express Delivery | |
| 4812-CX | Radial resistors | CECC40302-002 | Express Delivery | |
| 8113Z / 8123Z / 8133Z | Syfer | See VK series | ||
| VK20 | Ashcroft | X7R B-case radial MLCC | Express Delivery | |
| NPO B-case radial MLCC | Express Delivery | |||
| VK30 | Ashcroft | X7R C-case radial MLCC | Express Delivery | |
| NPO C-case radial MLCC | Express Delivery | |||
| VK21 | Ashcroft | X7R D-case radial MLCC | Express Delivery | |
| NPO D-case radial MLCC | Express Delivery | |||
| 454 | Oxley | Silver Mica | High voltage, current, temperature or frequency |
Need Support With an Obsolete Component?
If you're struggling to source a discontinued component or require assistance identifying an approved alternative, contact our technical team. We can help assess availability, recommend suitable replacements and support ongoing lifecycle management for critical applications.








