SAC26 Littelfuse Inc, SAC26 Datasheet - Page 2

• Manufacturer Part Number: SAC26
• Description: DIODE TVS 26V 500W UNI AXL
• Manufacturer: Littelfuse Inc
• Series: SACr

Specifications of SAC26

• Voltage - Reverse Standoff (typ): 26V
• Voltage - Breakdown: 28.9V
• Power (watts): 500W
• Polarization: Unidirectional
• Mounting Type: Through Hole
• Package / Case: DO-204AC, DO-15, Axial
• Polarity: Unidirectional
• Channels: 1 Channel
• Clamping Voltage: 42.3 V
• Operating Voltage: 26 V
• Breakdown Voltage: 28.9 V
• Termination Style: Through Hole
• Peak Surge Current: 12.1 A
• Peak Pulse Power Dissipation: 500 W
• Capacitance: 50 pF
• Maximum Operating Temperature: + 175 C
• Minimum Operating Temperature: - 55 C
• Dimensions: 3.6 mm Dia. x 3.6 (Max) mm W x 7.6 mm L
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SAC Series
Ratings and Characteristic Curves
Figure 1 - Peak Pulse Power Rating Curve
Figure 3 - Pulse Waveform
Figure 5 - Steady State Power Derating Curve
1000
150
100
50
100
0.1
0.000001
0
10
3.5
2.5
1.5
0.5
1
3
2
1
0
0
0
25
t d
t r =10μsec
Transient Voltage Suppression Diodes
Axial Leaded – 500W > SAC series
Peak Value
I PPM
1.0
50
0.00001
T
t
d
L
-Pulse Width (Sec.)
-Lead Temperature (ºC)
75
t-Time (ms)
Half Value
I PPM
100
2.0
( )
I PPM
2
10/1000μsec. Waveform
as defined by R.E.A
T J =25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of I PPM
0.0001
125 150
(T
A
=25°C unless otherwise noted)
3.0
175 200
0.001
4.0
Revision: January 09, 2009
78
Figure 2 - Pulse Derating Curve
Figure 4 - AC Line Protection Application
100
75
50
25
Please refer to http://www.Littelfuse.com/series/SAC.html for current information.
0
0
Application Note: Device must be used with two
units in parallel, opposite in polarity as shown in
circuit for AC signal line protection.
25
Low Capacitance
(Single Pulse)
50
Peak Power
T
L
Lead Temperature (ºC)
75
Specifications are subject to change without notice.
100
Average Power
125
150
©2009 Littelfuse, Inc.
175