Littelfuse 金屬混合PPTC裝置
Littelfuse MHP金屬混合PPTC裝置為具成本效益的自復式電路保護裝置,能在超過30VDC額定電壓下供應30A以上的保持電流,適用於高放電率的鋰離子 (Li-ion) 電池。透過以並聯方式連接雙金屬保護器與PPTC(聚合物正溫度係數)裝置,讓金屬混合PPTC裝置擁有自復式過電流保護功能。此外,PPTC裝置具有低電阻,能避免雙金屬保護器在更高的電流下產生電弧。Littelfuse金屬混合PPTC裝置極適合用於無線電池工具、電動腳踏車、備用電源供應器 (UPS),以及醫療裝置的備用電源等應用
特點
- Resettable circuit protection devices
- 9VDC or 12VDC contact ratings for the battery safety requirements of higher-capacity lithium (ion) polymer and prismatic batteries
- Offers resettable overcurrent protection
- Low resistance prevents arcing of the bimetal protector at higher currents
應用
- 無線電池工具
- 電動自行車
- 備用電源供應器 (UPS)
- 醫療裝置的備用電源
- 高容量鋰聚合物與方形蓄電池的電池組保護,例如:
關聯的MHP系列PPTC器件
Ultra-compact PPTC devices with lower voltage and current ratings than previous series.
High current devices providing overtemperature protection for LiP and prismatic batteries.
Act as a heater and keep the bimetal latched until the fault is removed.
發佈日期: 2011-07-26
| 更新日期: 2025-11-11