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SMFJ54A Datasheet(PDF) 2 Page - Ruilongyuan Electronics Co.,Ltd |
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SMFJ54A Datasheet(HTML) 2 Page - Ruilongyuan Electronics Co.,Ltd |
2 / 7 page Circuit Protection System Page:1 Specifications are subject to change without notice. Please refer to http://www.ruilon.com for current information. Transient Voltage Suppressors - SMFJ Series Features Mechanical Characteristics Rating Symbol Value Units Peak Pulse Power Dissipation at TA=25°C by 10x1000μs test waveform (Fig.1)(Note 1),(Note 2) PPPM 300 Watts Power Dissipation on inifinite heat sink at TA=50°C P D 2 Watts Peak Forward Surge Current, 8.3ms Single Half Sine Wave(Note 3) IFSM 20 Amps Maximum Instantaneous Forward Voltage at 25A for Unidirectional only (Note 4) V F 3.5/6.5 V Operating junction and Storage Temperature Range. TJ,TSTG -55°C to 150°C °C Typical Thermal Resistance Junction to Lead RuJL 30 °C/W Typical Thermal Resistance Junction to Ambient RuJA 120 °C/W Notes: 1. Non-repetitive current pulse , per Fig. 3 and derated above TA = 25°C per Fig. 2. 2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 perminute maximum. 3. VF<3.5V for devices of VBR _< 200V and VF<5.0V for devices of VBR _> 201V. 1. For surface mounted applications 2. Low-profile package 3. Optimized for LAN protection applications 4. Ideal for ESD protection of data lines in accordance with IEC 1000-4-2 (IEC801-2) 5. Ideal for EFT protection of data lines in 6. accordance with IEC 1000-4-4 (IEC801-4) 7. Low incremental surge resistance 8. IEC 1000-4-2 (ESD) 15 kV (air) 8 kV (contact) IEC 1000-4-4 (EFT) 40 A (tp = 5/ 50 ns) IEC 1000-4-5 (Lightning) 24 A (tp = 8/ 20 μs 9. Low incremental surge resistance, excellent clamping capability 10. 200W peak pulse power capability with a 10/1000μ swaveform,repetition rate (duty cycle): 0.01%• 11. Very fast response time 12. High temperature soldering guaranteed: 260°C/ 10 seconds at terminals TVS devices are ideal for the protection of I/O interfaces,VCC bus and other vulnerable circuits used in telecom, computer, industrial and consumer electronic applications. UNI BI UNI BI Anode Cathode Applications |
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