SMF24A Littelfuse, SMF24A Datasheet - Page 4

• Manufacturer Part Number: SMF24A
• Description: TVS Diodes - Transient Voltage Suppressors 24V 200W 5.1A 5% Unidirectional
• Manufacturer: Littelfuse
• Series: SMFr

Specifications of SMF24A

• Product Category: TVS Diodes - Transient Voltage Suppressors
• Rohs: yes
• Polarity: Unidirectional
• Breakdown Voltage: 26.7 V to 29.5 V
• Clamping Voltage: 38.9 V
• Peak Surge Current: 5.1 A
• Package / Case: SOD-123
• Minimum Operating Temperature: - 55 C
• Maximum Operating Temperature: + 150 C
• Channels: 1 Channel
• Mounting Style: SMD/SMT
• Peak Pulse Power Dissipation: 200 W
• Termination Style: SMD/SMT

Ratings and Characteristic Curves
Figure 3 - Pulse Derating Curve
Figure 5 - Steady State Power Dissipation
Figure 7 - C
Derating Curve
10000
1000
1.50
1.00
1.25
0.75
0.50
0.25
100
10
100
80
60
40
20
0
j
1
0
vs. Working Peak Reverse Voltage
0
0
25
25
V
br
Measured@50%Vr
T
- Reverse breakdown voltage
T
50
L
A
50
-Ambient temperature (ºC)
- Tab temperature (ºC)
75
75
10
100
100
Measured@Vr=0v
(T
Surface Mount – 200W > SMF Series
A
Transient Voltage Suppression Diodes
=25°C unless otherwise noted)
125
125
150
150
100
175
175
(Continued)
Figure 4 - Pulse Waveform - 10x1000
Figure 6 - Forward Voltage
150
100
0.9
0.8
0.7
0.6
0.5
0.4
50
0
0
-55
0
t d
t r =10µsec
Peak Value
I PPM
1.0
10
Temperature (ºC)
Specifications are subject to change without notice.
t-Time (ms)
Half Value
I PPM
2.0
( )
I PPM
10/1000µsec. Waveform
as defined by R.E.A
2
75
T J =25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of I PPM
µ
S
3.0
© 2013 Littelfuse, Inc.
140
Revised: 03/04/13
4.0