CJ7805 3%
Jiangsu Changjing Electronics Technology Co., Ltd.
Needs validationlow risk
A potential pin-compatible 5V 1.5A regulator in the same DPAK package from a different vendor; user verification is required.
Best Alternatives to L7805CDT-TR
The STMicroelectronics L7805CDT-TR is a popular 5V, 1.5A fixed positive voltage regulator in a DPAK package. This page provides analysis of potential alternatives, highlighting key differences in package, performance, and pin compatibility.
AI replacement insight
Package riskhigh
Many functional alternatives are in non-compatible packages like TO-220 or D2PAK.
Electrical risklow
Core electrical parameters (5V, 1.5A) are common and easily matched.
Sourcing riskmedium
Cross-vendor alternatives require separate supply chain qualification.
Can it be replaced directly?
Direct replacement for L7805CDT-TR should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
For a form-factor match, consider the CJ7805, but verify pinout and sourcing. For functional equivalence in a new layout, the L7805 series in other packages are viable.
Main risk
The primary risk is physical incompatibility, as many functional alternatives come in different packages (TO-220, D2PAK) or have different pinouts, requiring PCB redesign.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | L7805CDT-TR | CJ7805 3% | L7805ABD2T-TR | L7805CV-DG | Compatibility / risk |
|---|---|---|---|---|---|
| Package | DPAK | TO-252-2L | - | - | TO-220 — Candidate is Through-Hole, target is Surface-Mount. Requires board redesign. |
| Voltage | 5.0V | 5.0V | - | - | 5.0V — Output voltage matches. |
| Current | 1.5A | 1.5A | - | - | 1.5A — Output current matches. |
| Application | STMicroelectronics | Jiangsu Changjing | - | - | Jiangsu Changjing — Cross-vendor alternative requires qualification. |
| Temperature | 0°C to 125°C | -25°C to +125°C | - | - | -40°C to 125°C — Wider operating temperature range. |
Application & sourcing insights
Questions & answers
Verified drop-in options for L7805CDT-TR are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.