Document
SMF Series
Surface Mount – 200W
TVS Diodes Datasheet
Uni-directional
RoHS
Pb e3
Description
The SMF series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.
SMF package is 50% smaller in footprint when compare to SMA package and deliverying one of the low height profiles (1.1mm) in the industry.
Additional Information
Bi-directional
Resources
Accessories
Samples
Agency
Agency Approvals
Agnecy File Number E230531
Maximum Ratings and Thermal Characteristics (TA=25OC unless otherwise noted)
Parameter
Symbol Value Unit
Peak Pulse Power
8/20μs
Dissipation at TA=25ºC 1 10/1000μs 2
Power Dissipation On Infinite Heat
Sink at TL=50ºC Thermal Resistance Junction- to-
Ambient
Thermal Resistance Junction- to- Lead
Operating Temperature Range
Storage Temperature Range
PPPM
PD
RƟJA RƟJL TJ TSTG
1000 W
200
1
W
220 °C/W
100 °C/W -65 to 150 °C -65 to 175 °C
Notes:
1. Non-repetitive current pulse, per Fig. 4 and derated above TJ (initial) =25ºC per Fig. 3. 2. SMF90A~SMF100A Peak Pulse Power Dissipation is 170W min, 200W typical @ 10/1000us
Features & Benefits
■ 200W peak pulsepower capability at 10/1000µs waveform, repetition rate (duty cycle): 0.01%
■ Compatible with industrial standard package SOD-123FL
■ Low profile: maximum height of 1.1mm.
■ Low inductance, excellent clamping capability
■ For surface mounted applications to optimize board space
■ High temperature to reflow soldering guaranteed: 260°C/30sec
■ Typical failure mode is short from over-specified voltage or current
■ Whisker test is conducted based on JEDEC JESD201A per its table 4a and 4c
■ IEC-61000-4-2 ESD 30kV(Air), 30kV (Contact)
■ ESD protection of data lines in accordance with IEC 61000-4-2
■ EFT protection of data lines in accordance with IEC 610004-4
■ Fast response time: typically less than 1.0ns from 0 Volts to VBR min
■ Glass passivated junction
■ Built-in strain relief
■ Plastic package is flammability rated V-0 per UL 94
■ Meet MSL level1, per J-STD-020, LF maximun peak of 260°C
■ Matte tin lead–free plated
■ Halogen-free and RoHS compliant
■ Pb-free E3 means 2nd level interconnect is Pb-free and the terminal finish material is tin(Sn) (IPC/ JEDEC J-STD609A.01)
■ UL Recognized to UL 497B as an Isolated Loop Circuit Protector.
Applications
SMF series is ideal for the protection of I/O interfaces, VCC bus and other vulnerable circuit used in cellular phones, portable electronics, business machines, power supplies and other consumer applications.
Functional Diagram
Bi-directional
Cathode 1
Uni-directional
Anode
© 2023 Littelfuse, Inc. Specifications are subject to change without notice.
Revised: GD. 05/18/23
SMF Series
Surface Mount – 200W
TVS Diodes Datasheet
Part Number
Uni
Bi
Electrical Characteristics (TA=25°C unless otherwise noted)
Marking Code Uni Bi
Breakdown Voltage VBR (Volts) @ IT
MIN
MAX
Test Current
IT (mA)
Reverse Stand off .