SMF5.0A Datasheet, PDF (1/6 Pages) UN Semiconducctor INC – Surface Mount Transient Voltage Suppressors (TVS)

Surface Mount Transient Voltage Suppressors (TVS)
SMF Series 5.0 To 190 V 200W
Description
The SMF series is designed specifically to protect sensitive electronic
equipment from voltage transients induced by lightning and other transient
voltage events.
Features
u Compatible with industrial standard package SOD-123
u For surface mounted applications in order to optimize board space
u Low leakage
u Uni and Bidirectional unit
u Glass passivated junction
u Low inductance
u Excellent clamping capability
u 200W Peak power capability at 10 × 1000µs waveform Repetition rate
(duty cycle):0.01%
u Fast response time: typically less than 1.0ps from 0 Volts to VBR min
u High Temperature soldering: 260°C/40 seconds at terminals
u Typical maximum temperature coefficient ΔVBR = 0.1% ×
VBR@25°C× ΔT
u Plastic package has Underwriters Laboratory Flammability 94V-0
u Matte tin lead–free Plated
u Halogen free and RoHS compliant
u Typical failure mode is short from over-specified voltage or current
u Whisker test is conducted based on JEDEC JESD201A per its table
4a and 4c
u IEC-61000-4-2 ESD 15kV(Air), 8kV (Contact)
u ESD protection of data lines in accordance with IEC 61000-4-2
(IEC801-2)
u EFT protection of data lines in accordance with IEC 61000-4-4
(IEC801-4)
Uni-directional
Bi-directional
Functional Diagram
Cathode
Bi-directional
Uni-direction
Anode
Applications
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.
Maximum Ratings (T_A=25℃ unless otherwise noted)
Parameter
Peak Pulse Power Dissipation with a 10/1000µs waveform (Fig.1)(Note
1), (Note 2)
Peak Pulse Power Dissipation with a 8/20µs waveform (Fig.1)(Note 1),
(Note 2)
Peak Pulse Current with a 10/1000µs waveform.(Note1,Fig.3)
Power Dissipation on Infinite Heat Sink at TL=75°C
Symbol
PPPM
PPPM
IPP
PM(AV)
Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3)
IFSM
Maximum Instantaneous Forward Voltage at 25A for Unidirectional Only
(Note 4)
VF
Operating junction and Storage Temperature Range.
TJ , TSTG
Notes:
1. Non-repetitive current pulse, per Fig. 3 and derated above TA = 25°C per Fig. 2.
2. Mounted on 5.0mm x 5.0mm (0.03mm thick) Copper Pads to each terminal.
3. 8.3ms single half sine-wave, or equivalent square wave, Duty cycle = 4 pulses per minutes maximum.
4. VF < 3.5V for VBR < 200V and VF< 6.5V for VBR > 201V.
Value
200
1000
See Next Table
0.4
20
3.5
-55 to +150
Unit
Watts
Watts
Amps
Watt
Amps
Voltage
°C
SOCAY Electronics Co., Ltd.
Revision September 25, 2013
1/6
www.socay.com
@ SOCAY Electronics Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.socay.com for current information.