1SMA4740 Datasheet Text
CREAT BY ART
1.0 Watt Surface Mount Silicon Zener Diodes SMA/DO-214AC Features
For surface mounted applications in order to optimize board space Low profile package Built-in strain relief Glass passivated junction Low inductance Typical IR less than 1uA above 11V High temperature soldering guaranteed: 260℃ / 10 seconds at terminals Meet MSL level 1, per J-STD-020D, lead free maximum peak of 260℃ Plastic package has Underwriters Laboratory Flammability Classification 94V-0 Green pound with suffix "G" on packing code & prefix "G" on datecode Case: Molded plastic over passivated junction Terminals: Pure tin plated lead free, solderable per MIL-STD-750, Method 2025 Polarity: Color Band denotes positive end (cathode) Standard packaging: 12mm tape (EIA-481) Weight: 0.064 gram
1SMA4737
- 1SMA200Z
Mechanical Data
Ordering Information (example)
Part No. 1SMA4737 Package SMA Packing 1.8K / 7" REEL Packing code R3 Packing code (Green) R3G
Maximum Ratings and Electrical Characteristics
Rating at 25 ℃ ambient temperature unless otherwise specified.
Type Number
Power Dissipation, RTHJA<30K/W, TA=60℃ Power Dissipation, RTHJA<100K/W, TA=25℃ Non Repetitive Peak Power Dissipation(Note 1) Non Repetitive Peak Forward Surge Current, 8.3ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method) Operating and Storage Temperature Range
Symbol PD PD PZSM IFSM TJ, TSTG
Value 3 1.25 60 10 -55 to +150
Unit Watts Watts Watts Amps ℃
Note 1: Non Repetitive Peak surge PD Test Condition: tp=100uS sq. pulse, TA=25℃ prior to surge
Version:I13
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ELECTRICAL CHARACTERISTICS (TA=25℃ unless otherwise noted)
Nominal Zener Voltage Device (Note 1) Device Marking code Vz@IzT V (Note 2) (Note 3) 1SMA4737 1SMA4738...