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Best Alternatives to KT-0603G

Package: 0603 (1608 Metric)KENTOLEDs - Surface MountColor: GreenForward Current (IF): 5 mALuminous Intensity: 210 - 430 mcdDominant Wavelength: 513 - 528 nmForward Voltage (VF): 2.6 - 3.1 V

Find substitutes for the KENTO KT-0603G, a popular 0603 green SMD LED. This guide reviews pin-compatible alternatives and highlights key parameters for a successful replacement.

AI replacement insight

Electrical risklow

Key electrical parameters are identical.

Package risklow

The 0603 package is highly standardized.

Sourcing risklow

Multiple vendors produce similar green 0603 LEDs.

Can it be replaced directly?

Direct replacement for KT-0603G should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

The strongest candidate is SZYY0603G1, which offers a pin-to-pin match with identical key optical and electrical specifications.

Main risk

The primary risk is minor performance variation between manufacturers. Always test a sample in the target circuit to confirm performance.

Recommended alternatives

1
SZYY0603G1 package
SZYY0603G1

Ltd.; SMC(Sangdest Microelectronicstronic (Nanjing)); Shandong Jingdao Microelectronics; PSA(Prosperity Dielectrics); cjiang (Changjiang Microelectronics Tech); Hanbo Electronic; Jing Extension of the Electronic Co.; Shanghai Mingda Microelectronics; Jinrui Electronic Materials Co.; TLC Electronic; Shanghai Siproin Microelectronics; Jiangsu JieJie Microelectronics; Hangzhou Silan Microelectronics; WPMtek(Wei Pan Microelectronics); Corebai Microelectronics; SOC(Shenzhen SinOne Microelectronics); Wuxi China Resources Huajing Microelectronics; A Power microelectronics; CTR; MindMotion Microelectronics; Precision Electronic Components Ltd.; Wuxi Chipown Micro-electronics; OPSCO Optoelectronics; Yongyu Photoelectric; SK Electronic; HopeRF Micro-electronics; Flashchip Microelectronics; Eutech Microelectronics; TOPPOWER(Nanjing Extension Microelectronics); RONGHE Microelectronics; Hangzhou SDIC Microelectronics; Fuji Electric; UE Electronic; Shenzhen Chip Hope Micro-Electronics; ELAN Microelectronics; Sine Microelectronics; LOCKZHINER Electronic; Sequoia Microelectronics; TIH Microelectronics; SUPCON Micro-electronics; RZ(Wuxi Smart Microelectronics); JT Microelectronics; WIELAND ELECTRIC; GuangZhou YiHua Electronic; Mitsubishi Electric; lselectric; Kallu Electronic; LIUYUE electronic; Epticore Microelectronics (Shanghai); Shanghai Mixinno Microelectronics

Needs validationlow risk

SZYY0603G1 is a pin-compatible Green 0603 LED with matching optical and electrical characteristics.

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Alternative comparison matrix

Feature / factorKT-0603GSZYY0603G1Alt 2Alt 3Compatibility / risk
Package0603 (1608 Metric)0603 (1608 Metric)0603 (1608 Metric) — Identical package ensures physical fit.
ColorGreenGreenGreen — Color is identical.
Dominant Wavelength513 - 528 nm513 nm - 528 nm513 nm - 528 nm — Wavelength range is identical.
Luminous Intensity210 - 430 mcd210 mcd - 430 mcd210 mcd - 430 mcd — Brightness range is identical at the same test current.
Forward Voltage2.6 - 3.1 V2.6 V - 3.1 V2.6 V - 3.1 V — Forward voltage range is identical, no resistor change needed.
Temperature-40°C to +85°C-40°C to +85°C-40°C to +85°C — Operating temperature range is identical.

Application & sourcing insights

Questions & answers

Verified drop-in options for KT-0603G 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.