Surface Mount Transient Voltage Suppressors (TVS)

SMF Series

5.0 To 190 V

200W

The SMF series is designed specifically to protect sensitive electronic

equipment from voltage transients induced by lightning and other transient

voltage events.

Uni-directional

Bi-directional

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

u

High Temperature soldering: 260

°C/40 seconds at terminals

u

Typical maximum temperature coefficient

ΔV

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)

bus and other vulnerable circuits used in Telecom, Computer,

Industrial and Consumer electronic applications.

Parameter

Symbol

Value

Unit

Peak Pulse Power Dissipation with a 10/1000

µs waveform (Fig.1)(Note

1), (Note 2)

200

Watts

Peak Pulse Power Dissipation with a 8/20

µs waveform (Fig.1)(Note 1),

(Note 2)

1000

Watts

Peak Pulse Current with a 10/1000

µs waveform.(Note1,Fig.3)

See Next Table

Amps

0.4

Watt

Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3)

20

Amps

Maximum Instantaneous Forward Voltage at 25A for Unidirectional Only

(Note 4)

3.5

Voltage

Operating junction and Storage Temperature Range.

-55 to +150

°C

Notes:

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.

Functional Diagram

Applications

Maximum Ratings

Description

Features

Bi-directional

Uni-direction

Cathode

Anode

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