PxxxxSA/C/AA Series
Vishay Semiconductors
formerly General Semiconductor
Document Number 88376 www.vishay.com
02-Apr-04 1
New Product
Bidirectional Surface Mount THYZORB®
Thyristor Overvoltage Protectors
Stand-off Voltage 58 to 320V
Breakover Voltage 70 to 395V
Holding Current 150mA minimum
Features
• Bidirectional crowbar protection
• Complies with Bellcore TR-NWT-001089, and
IEC-1000-4-5 standards
• Series is designed to protect telecommunication
equipment against lightening and AC induced transients
• Plastic package has UL Flammability Classification 94V-0
• Low profile package with built-in strain relief for surface
mounted applications
• 50 Amp (10/1000µs) available in SMA package
Mechanical Data
Case: JEDEC DO-214AA molded plastic body over
passivated junction
Terminals: Solder plated, solderable per MIL-STD-750,
Method 2026
High temperature soldering guaranteed:
250°C/10 seconds at terminals
Mounting Position: Any
Weight: 0.003 ounces, 0.093 gram
Maximum Ratings and Thermal Characteristics TA= 25OC unless otherwise noted.
Parameter Symbol AA A C Unit
Case outline – SMA SMB –
Peak Pulse Current 10/1000µs IPP 50 50 100 A
8/20µs 200 200 300
Non-repetitive surge peak on-state current at 60Hz ITSM 20 20 60 A
Critical rate of rise of off-state voltage (VRM) dV/dt 5 KV/µs
Storage temperature range Tstg -55 to +150 °C
Junction temperature range Tj-40 to 150 °C
Thermal resistance junction to leads RθJL 30 20 °C/W
Thermal resistance junction to ambient on P.C.B. RθJA 120 90 °C/W
with recommended pad layout
DO-214AA (SMB)
DO-214AC (SMA)
Symbol
IPP Ratings for the Following Surge Standards
Standard Waveform IPP (A, AA) IPP (C)
GR-1089-CORE 2/10µs 300A+500A
IEC61000-4-5 8/20µs 200A+300A
FCC Part 68 10/160µs 120A+250A+
ITU-TK20/21 10/700µs 100A 200A
FCC Part 68 10/560µs 75A+160A+
GR-1089-CORE 10/1000µs 50A+100A
Values with +have improved IPP specs over equivalent competitor part numbers