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SMF10AT1

PLASTIC SURFACE MOUNT ZENER OVERVOLTAGE TRANSIENT SUPPRESSOR 5 − 170 VOLTS 200 WATT PEAK POWER

ON Semiconductor 

SMF5.0AT1 Series

MAXIMUM RATINGS

Rating

Symbol

Value

Unit

Maximum Ppk Dissipation (PW−10/1000 ms) (Note 1) SMF60A − SMF170A

Ppk

175

W

Maximum Ppk Dissipation (PW−10/1000 ms) (Note 1) SMF5.0A − SMF58A

Ppk

200

W

Maximum Ppk Dissipation @ TA = 25°C, (PW−8/20 ms) (Note 2)

Ppk

1000

W

DC Power Dissipation @ TA = 25°C (Note 3)

Derate above 25°C

Thermal Resistance, Junction−to−Ambient (Note 3)

°PD°

RqJA

385

°mW

4.0

mW/°C

325

°C/W

Thermal Resistance, Junction−to−Lead (Note 3)

RqJcathode

26

°C/W

Operating and Storage Temperature Range

TJ, Tstg

−55 to +150

°C

Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit

values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,

damage may occur and reliability may be affected.

1. Non−repetitive current pulse at TA = 25°C, per waveform of Figure 2.

2. Non−repetitive current pulse at TA = 25°C, per waveform of Figure 3.

3. Mounted with recommended minimum pad size, DC board FR−4.

ELECTRICAL CHARACTERISTICS (TA = 25°C unless

otherwise noted, VF = 3.5 V Max. @ IF (Note 4) = 12 A)

Symbol

Parameter

IPP

Maximum Reverse Peak Pulse Current

VC

Clamping Voltage @ IPP

VRWM Working Peak Reverse Voltage

IR

Maximum Reverse Leakage Current @ VRWM

VBR

Breakdown Voltage @ IT

IT

Test Current

IF

Forward Current

VF

Forward Voltage @ IF

4. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms,

duty cycle = 4 pulses per minute maximum.

I

IF

VC VBR VRWM

IIRT VF

V

IPP

Uni−Directional TVS

http://onsemi.com

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