Thyristor Surge Protectors
Description
MMT05A230T3, MMT05A260T3, MMT05A310T3
Preferred Devices
Thyristor Surge Protectors
High Voltage Bidirectional TSPD
http://onsemi.
com
These Thyristor Surge Protective devices (TSPD) prevent overvoltage damage to sensitive circuits by lightning, induction and power line crossings.
They are breakover−triggered crowbar protectors.
Turn−off occurs when the surge current falls below the holding current value.
Secondary protection applications for electronic telecom equipment at customer premises.
• High Surge Current Capability: 50 Amps 10 x 1000 μsec; for Controlled Temperature Environments in the SMA package • The MMT05A230T3 Series is used to help equipment meet various regulatory requirements including: Telcordia 1089, ITU K.
20 & K.
21, IEC 950 and FCC Part 68 • Bidirectional Protection in a Single Device • Little Change of Voltage Limit with Transient Amplitude or Rate • Freedom from Wearout Mechanisms Present in Non−Semiconductor Devices • Fail−Safe, Shorts When Overstressed, Preventing Continued www.
DataSheet4U.
com Unprotected Operation • Surface Mount Technology (SMT) • Indicates UL Registered − File #E210057 • Pb−Free Packages are Available
MAXIMUM RATINGS (TJ = 25°C unless otherwise noted)
Rating Off−State Voltage − Maximum MMT05A230T3 MMT05A260T3 MMT05A310T3 Maximum Pulse Surge Short Circuit Current Non−Repetitive Double Exponential Decay Waveform (Notes 1 and 2) 8 x 20 msec 10 x 160 msec 10 x 560 msec 10 x 1000 msec Maximum Non−Repetitive Rate of Change of On−State Current Double Exponential Waveform, IPK = 50 A, PW = 15 ms Symbol VDM Value "170 "200 "270 A(pk) Unit Volts
BIDIRECTIONAL TSPD 50 AMP SURGE 265 thru 365 VOLTS
MT1 MT2
SMA (No Polarity) CASE 403D
MARKING DIAGRAM
xxx AYWWG
xxx A Y WW G
= Specific Device Code = Assembly Location = Year = Work Week = Pb−Free Package
ORDERING INFORMATION
See detailed ordering and shipping information in the package dimensions section on page 6 of this data sheet.
IPPS1 IPPS2 IPPS3 IPPS4 di/dt
"150 "100 "70 "50...
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