SZ1.5SMC39AT3G Datasheet | Littelfuse

Description The SZ1.5SMC series is designed to protect voltage sensitive ponents from high voltage, high energy transients. They have excellent clamping capability, high surge capability, low zener impedance and fast response time. The SZ1.5SMC series is supplied in the exclusive, cost-effective, highly reliable Littelfuse package and is ideally suited for use in munication systems, automotive, numerical controls, process controls, medical equipment, business machines, power supplies and many other industrial/consumer applications. Additional Information Resources Agency Accessories Samples Agency Approvals Agency File Number E128662 Maximum Ratings and Thermal Characteristics Parameter Symbol Value Unit Peak Power Dissipation (Note 1) @ TL = 25°C, Pulse Width = 1 ms DC Power Dissipation @ TL = 75°C Measured Zero Lead Length (Note 2) Derate Above 75°C Thermal Resistance from Junction- to- Lead PPK 1500 W PD 4.0 W 54.6 m W/°C RƟJL 18.3 °C/W DC Power Dissipation (Note 3) @ TA = 25°C Derate Above 25°C Thermal Resistance from Junction- to- Ambient PD 0.75 W 6.1 m W/°C RƟJA 75 °C/W Forward Surge Current (Note 4) @ TA = 25°C IFSM 200 A Operating and Storage Temperature Range TJ, Tstg -65 to +150 °C Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Remended Operating Conditions is not implied. Extended exposure to stresses above the Remended Operating Conditions may affect device reliability. 1. 10 x 1000 µs, non- repetitive. 2. 1 in square copper pad, FR- 4 board. 3. FR- 4 board, using Littelfuse minimum remended footprint, as shown in 403-03 case outline dimensions spec. 4. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms, duty cycle = 4 pulses per minute maximum. Features & Benefits - Zener Transient Overvoltage Suppressors - Working Peak Reverse Voltage Range - 5.8 V to 77.8 V - Standard Zener Breakdown Voltage Range - 6.45 V to 95.5V - Peak Power - 1500 W @ 1 ms - ESD...