BSPM1320TNR

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Transient voltage suppressors (TVS) are used to provide transient protection from lightning surge and short duration over-voltage events. Transient voltage suppressors are composed of metal-oxide varistors (MOVs) or silicon avalanche-diode devices. The BSPM1320TNR is a common TVS device that features two high power bi-directional TVS arrays. It is ideally suited for the protection of AC power lines, power supply and power adapter equipment.

The BSPM1320TNR is a transient voltage suppressor module that combines two low to medium power transient voltage suppressors (TVS) into a single package. Its TVS arrays provide up to 125V of peak pulse power protection with a standard operating temperature range of -40C to +105C. The BSPM1320TNR is designed to provide robust protection against voltage transients created by lightning or other high-energy pulse events.

The BSPM1320TNR has two basic components: the transient voltage suppressors (TVS) array and the turn off switch. The TVS array can be configured with either N type or P type silicon avalanche diodes or metal oxide varistors (MOVs). The turn off switch is an SCR or MOSFET triggered by an external signal. The SCR or MOSFET is triggered to quickly turn off the TVS array when the device is over-stressed, preventing damage due to excessive current flow. When the device is off, the MOVs in the TVS array will be reset and the device will respond to the next transient event. The BSPM1320TNR also features integrated ESD protection to protect sensitive equipment from high voltage spikes.

The working principle of the BSPM1320TNR is fairly simple. The device consists of two TVS arrays. When a transient event occurs, the voltage across the device will exceed the breakdown voltage of the MOVs or avalanche diodes in the TVS array, causing them to become conductive. The current will then be directed away from the protected device via the TVS array. When the transient event is over, the MOVs or avalanche diodes will reset and the device will return to its normal state. If the TVS array is activated multiple times in a very short period of time, the turn off switch will be triggered, which will quickly turn off the TVS array and prevent damage due to excessive current.

The BSPM1320TNR is primarily used for protection of power supplies and cables from voltage transients, such as lightning strikes and power surges. The device is ideal for use in applications such as AC power lines, power adapters, and other equipment that require protection from wide voltage transients. Thanks to its wide operating temperature range and integrated ESD protection, the BSPM1320TNR is able to provide reliable protection in harsh environmental conditions.

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