Supply chain update: TC4424, XL4015 may be experiencing shortage conditions. Basic Info My setup entails a partial replacement of the distributor functionality on a Toyota Engine - with the aim to use coil-on-plugs, the stock E
Schontek Inc. is monitoring the latest supply chain developments. According to reports from StackExchange, the following components may be affected by shortage conditions:
### Affected Part Numbers
1. **[TC4424](/product/TC4424)**
2. **[XL4015](/product/XL4015)**
### Supply Chain Context
Basic Info My setup entails a partial replacement of the distributor functionality on a Toyota Engine - with the aim to use coil-on-plugs, the stock ECU sends one IGT signal for the 4 cylinders based on the timing from distributor. I tap on the IGT signal and based on another signal from a sensor I placed inside the distributor, I fire a coil. I only use the extra sensor signal at startup, after which I rotate the signal based on the firing order. I have added some filtration mechanisms (RC on h
### What This Means for Your Supply Chain
If your production relies on any of these components, we recommend:
- **Place orders early** - Lead times are extending across the industry
- **Consider alternatives** - Our team can identify cross-reference parts
- **Buffer stock** - Maintain extra inventory for critical components
- **Stay informed** - Subscribe to our shortage alerts for updates
### How Schontek Can Help
As a US-based electronic components distributor, Schontek specializes in:
- Sourcing hard-to-find and shortage parts
- Providing verified alternatives and cross-references
- Responsive delivery to keep your production line running
- Quality assurance through documented inspection processes
**[Request a Quote](/contact)** for any of the affected parts above, or browse our [inventory](/products) for available stock.
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*Source: [StackExchange](https://electronics.stackexchange.com/questions/766783/how-do-i-ensure-the-ignition-coils-are-driven-reliably-and-predictably-when-usin)*