SM4T26AY STMicroelectronics, SM4T26AY Datasheet - Page 5

• Manufacturer Part Number: SM4T26AY
• Description: TRANSIL 400W 25.7V UNIDIRECT SMA
• Manufacturer: STMicroelectronics
• Series: TRANSIL™r

Specifications of SM4T26AY

• Voltage - Reverse Standoff (typ): 22V
• Voltage - Breakdown: 24.4V
• Power (watts): 400W
• Polarization: Unidirectional
• Mounting Type: Surface Mount
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-10914-2

SM4TY
Figure 11. Peak forward voltage drop versus peak forward current (typical values)
Figure 9.
130
120
110
100
90
80
70
60
50
40
30
20
10
0
0.0
R
th(j-a)
0.5
(°C/W)
1.0
Thermal resistance junction to
ambient versus copper surface
under each lead
1.5
2.0
2.5
1.0E+02
1.0E+01
1.0E+00
1.0E-01
1.0E-02
Printed circuit board FR4,
copper thickness = 35 µm
3.0
0.0
I (A)
FM
3.5
T = 125 °C
0.5
j
4.0
S (cm²)
Doc ID 17862 Rev 1
Cu
4.5
T = 25 °C
1.0
j
5.0
1.5
Figure 10. Leakage current versus junction
1.E+03
1.E+02
1.E+01
1.E+00
1.E-01
2.0
25
I (nA)
R
V
V = V
RM
R
2.5
< 10 V
RM
temperature (typical values)
50
3.0
V (V)
V
FM
V = V
RM
R
= 10 V
3.5
75
RM
100
Characteristics
125
T (°C)
j
5/12
150