SM4T30CAY STMicroelectronics, SM4T30CAY Datasheet - Page 2

• Manufacturer Part Number: SM4T30CAY
• Description: TRANSIL 400W 30.4V BIDIRECT SMA
• Manufacturer: STMicroelectronics
• Series: TRANSIL™r

Specifications of SM4T30CAY

• Voltage - Reverse Standoff (typ): 26V
• Voltage - Breakdown: 28.9V
• Power (watts): 400W
• Polarization: Bidirectional
• Mounting Type: Surface Mount
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-10919-2

Characteristics
1
Table 1.
1. For a surge greater than the maximum values, the diode will fail in short-circuit.
Table 2.
Figure 1.
Figure 2.
2/12
Symbol
Symbol
V
P
T
R
T
R
T
stg
PP
PP
L
th(j-a)
j
th(j-l)
Symbol Parameter
V
V
V
I
I
V
R
RM
PP
RM
BR
CL
T
F
D
Peak pulse voltage
Peak pulse power dissipation
Storage temperature range
Operating junction temperature range
Maximum lead temperature for soldering during 10 s.
Characteristics
Absolute maximum ratings (T
Thermal parameter
Electrical characteristics - definitions
Pulse definition for electrical characteristics
Junction to leads
Junction to ambient on printed circuit on recommended pad layout
Stand-off voltage
Breakdown voltage
Clamping voltage
Leakage current @ V
Peak pulse current
Voltage temperature coefficient
Forward voltage drop
Dynamic resistance
100
50
0
RM
%I
PP
(1)
t r
Parameter
Parameter
Doc ID 17862 Rev 1
amb
t p
V
V
Unidirectional
CL
CL
ISO 10605 (C = 330 pF, R = 330 )
IEC 61000-4-2
V
V
BR
BR
= 25
Contact discharge
Air discharge
Contact discharge
Air discharge
V
V
RM
RM
Pulse waveform
tr = rise time (µs)
tp = pulse duration time (µs)
°C
I
I
F
F
I
I
)
I
I
I
I
RM
RM
I
I
PP
PP
R
R
V
V
F
F
T
V
V
j initial
t
V
V
= T
CL
CL
V
V
BR
BR
amb
V
V
RM
RM
I
I
I
I
I
I
RM
RM
PP
PP
-65 to + 150
-55 to + 150
R
R
I
I
I
I
I
I
Value
Value
RM
RM
I
I
PP
PP
R
R
400
260
120
30
30
30
30
30
V
V
Bidirectional
RM
RM
V
V
BR
BR
V
V
CL
CL
V
V
SM4TY
°C/W
°C/W
Unit
Unit
kV
°C
°C
°C
W