This document is the technical parameters of MR2540 automotive transient suppressor, including maximum DC peak repetitive reverse voltage, maximum working peak reverse voltage, maximum DC blocking voltage, maximum peak reverse surge current, maximum non-repetitive peak surge current and other parameters
This document provides technical specifications for the BT MR2540 Automotive Transient Suppressor. It lists key features such as an avalanche voltage range of 24 to 32 Volts and a high power capability of 50 Amperes. The device is housed in a molded plastic case with UL94V-0 rated epoxy and features readily solderable terminals with cathode polarity indicated by a band.
The datasheet outlines maximum ratings and electrical characteristics at 25 °C ambient temperature. Key parameters include a maximum DC Peak Repetitive Reverse Voltage (Vrrm) of 20 Volts, an average rectified forward current (IF(AV)) of 50 Amps, and a maximum non-repetitive peak surge current (I_FSM) of 800 Amps. The typical thermal resistance from junction to case is 0.8 °C/W, with a junction temperature range of -65 to +175 °C.
| Avalanche Voltage | 24 to 32 Volts |
|---|---|
| Maximum DC Peak Repetitive Reverse Voltage | 20 Volts |
| Average Rectified Forward Current | 50 Amps |
| Maximum Non-Repetitive Peak Surge Current | 800 Amps |
| Typical Thermal Resistance Junction to Case | 0.8 °CAV |
| Junction Temperature Range | -65 to +175 °C |
| Weight | 1.8 grams |
The device can handle an average rectified forward current of 50 Amps under specific load conditions.
The unit supports a maximum non-repetitive peak surge current of 800 Amps.
The junction temperature must remain between -65 and +175 degrees Celsius.