Around the filter ring are index markings which allow for repeatable configurations without having to look through the lens
Abrasion- and Water-Repellant
The Replacement Battery Cartridge #124 from APC replaces the battery in your UPS that restores the performance to the original specifications
one output enable input (OE) and two supply pins (VCC(A) and VCC(B))
STMICROELECTRONICS DA108S1RL TVS Diode, DA1 Series, Unidirectional, 18 V, SOIC, 8 Pins Impact R2552-GW Around the filter ring areThis is a TVS Diode, DA1 Series, Unidirectional, 18 V, SOIC, 8 Pins product from STMICROELECTRONICS with the model number DA108S1RLProduct details Product Range DA1 Series TVS Polarity Unidirectional Reverse Stand Off Voltage Vrwm 18V Clamping Voltage Vc Max Diode Case Style SOIC No. of Pins 8Pins Breakdown Voltage Min Breakdown Voltage Max Peak Pulse Power Dissipation Packaging Cut Tape Automotive Qualification Standard Other details Brand