SMF18AT1G ON Semiconductor, SMF18AT1G Datasheet - Page 2

• Manufacturer Part Number: SMF18AT1G
• Description: TVS ZENER 200W 18V SOD123FL
• Manufacturer: ON Semiconductor

Specifications of SMF18AT1G

• Voltage - Reverse Standoff (typ): 18V
• Voltage - Breakdown: 20V
• Power (watts): 200W
• Polarization: Unidirectional
• Mounting Type: Surface Mount
• Package / Case: SOD-123 Flat Leads
• Polarity: Unidirectional
• Channels: 1 Channel
• Clamping Voltage: 29.2 V
• Operating Voltage: 18 V
• Breakdown Voltage: 20 V
• Peak Surge Current: 6.8 A
• Peak Pulse Power Dissipation: 1000 W
• Maximum Operating Temperature: + 150 C
• Minimum Operating Temperature: - 55 C
• Dimensions: 1.65 mm W x 2.7 mm L
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: SMF18AT1GOS

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. Non-repetitive current pulse at T
2. Non-repetitive current pulse at T
3. Mounted with recommended minimum pad size, DC board FR-4.
4. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms,
ELECTRICAL CHARACTERISTICS
otherwise noted, V
MAXIMUM RATINGS
Maximum P
Maximum P
Operating and Storage Temperature Range
Symbol
DC Power Dissipation @ T
Thermal Resistance, Junction-to-Ambient (Note 3)
Thermal Resistance, Junction-to-Lead (Note 3)
V
duty cycle = 4 pulses per minute maximum.
V
I
RWM
V
Derate above 25°C
V
PP
I
I
I
BR
R
T
F
C
F
pk
pk
Maximum Reverse Peak Pulse Current
Clamping Voltage @ I
Working Peak Reverse Voltage
Maximum Reverse Leakage Current @ V
Breakdown Voltage @ I
Test Current
Forward Current
Forward Voltage @ I
Dissipation (PW-10/1000 ms) (Note 1) SMF5.0A - SMF58A
Dissipation @ T
F
= 3.5 V Max. @ I
A
Parameter
= 25°C (Note 3)
A
= 25°C, (PW-8/20 ms) (Note 2)
F
PP
A
A
T
F
= 25°C, per waveform of Figure 2.
= 25°C, per waveform of Figure 3.
(Note 4) = 12 A)
Rating
(T
A
= 25°C unless
RWM
SMF5.0AT1 Series
http://onsemi.com
2
V
C
V
BR
V
RWM
Uni-Directional TVS
R
Symbol
T
qJcathode
R
°P
J
P
P
, T
qJA
pk
pk
D
stg
°
I
F
I
I
I
I
R
T
PP
V
F
-55 to +150
Value
1000
200
385
325
4.0
26
mW/°C
V
°C/W
°C/W
°mW
Unit
°C
W
W