# KLJ-4020 (Component) ## Description Buzzers KLJ-4020 BUZ-SMD_L4.0-W4.0-P3.50-L LCSC Part Number: C556936 JLCPCB Part Class: Extended Part Manufactured by KELIKING(凯丽金) ## Component Details - **Owner:** lcsc - **Created:** 11/1/2024 - **Last Updated:** 4/30/2025 - **Visibility:** Public - **Manufacturer Part Number:** KLJ-4020 - **Product Info Url:** https://lcsc.com/product-detail/Buzzers_KELIKING-KLJ-4020_C556936.html - **Package or Case Code:** BUZ-SMD_L4.0-W4.0-P3.50-L - **JLCPCB Part Class:** Extended Part - **LCSC Part Number:** C556936 - **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409271933_KELIKING-KLJ-4020_C556936.pdf - **Part Type:** Buzzers - **Manufacturer Name:** KELIKING(凯丽金) - **Part Type:** Electromechanical Components - **MPN:** KLJ-4020 - **Mount Type:** Surface Mount - **Package / Case Code:** SMD - **Pin Count:** 2 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | + | | | 2 | - | | --- *Generated from [https://www.flux.ai/lcsc/klj-4020~kzn8](https://www.flux.ai/lcsc/klj-4020~kzn8)*