GL5516A（5-10K）
HL (Haolin Elec)
Needs validationlow risk
Strong alternative with identical key electrical parameters and package type; requires engineering review.
Best Alternatives to GL5516(5-10)
The GL5516(5-10) is a common 5mm CdS photoresistor (LDR) with a 5-10kΩ light resistance. Finding a suitable replacement involves matching this key parameter along with its physical package and power rating.
AI replacement insight
Electrical risklow
Key parameters like resistance, voltage, and power have strong matches available.
Package riskmedium
Some alternatives may have different physical dimensions (e.g., 3mm vs 5mm diameter). Verify fit.
Sourcing risklow
Multiple manufacturers produce LDRs in this resistance range, offering sourcing flexibility.
Can it be replaced directly?
Direct replacement for GL5516(5-10) should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
GL5516A（5-10K） is the most promising alternative, with identical key specifications. It should be the first part to evaluate.
Main risk
The primary risk is sourcing a part with the correct resistance characteristics. Secondary risks include minor differences in dark resistance or physical package size.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | GL5516(5-10) | GL5516A（5-10K） | GL5506（4-7K） | GL3516（5-10K） | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 0.2 MΩ | 0.2 MΩ | 0.5 MΩ | 0.5 MΩ | 0.2 MΩ / 0.5 MΩ — Dark resistance matches.; GL5506（4-7K）: Dark resistance is higher than target.; GL3516（5-10K）: Dark resistance is higher than target. |
| Package | Through Hole | Through Hole | 5mm Through-Hole | Open Frame | Through Hole / 5mm Through-Hole / Open Frame — Package type matches.; GL5506（4-7K）: Package type matches.; GL3516（5-10K）: Package may be smaller (e.g., 3mm vs 5mm). |
| Power | 90 mW | 90 mW | 90 mW | 100 mW | 90 mW / 100 mW — Power rating matches.; GL5506（4-7K）: Power rating matches.; GL3516（5-10K）: Power rating is slightly higher. |
| Voltage | 150 V | 150 V | - | - | 150 V — Max voltage matches. |
Application & sourcing insights
Questions & answers
Verified drop-in options for GL5516(5-10) 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.