1SMB5913B-1SMB5956B
3.0Watts Surface Mount Zener Diodes
Features
·
Complete Voltage Range 3.3 to 200 Volts
·
High peak reverse power dissipation
·
Flat handling surface for accurate placement
·
Low leakage current
B
Dim
A
SMB
Min
3.30
4.06
1.91
0.15
5.00
0.10
0.76
2.00
Max
3.94
4.70
2.21
0.31
5.59
0.20
1.52
2.62
Mechanical Data
·
Case : SMB (DO-214AA) Molded plastic
·
Epoxy : UL94V-O rate flame retardant
·
Maximum Lead Temperature for Soldering Purposes
A
C
B
C
D
D
J
E
G
H
J
260
°
C for 10 Seconds
·
Leads : Modified L-Bend providing more contact
area to bond pads.
·
Polarity : Cathode indicated by polarity band.
·
Mounting position : Any
Weight : 0.093 gram
H
G
E
All Dimensions in mm
Maximum Ratings
@ T
A
= 25°C unless otherwise specified
Rating
Maximum Steady State Power Dissipation at T
L
= 75°C,
Measured at Zero Lead Length
Derate Above 75
°C
Thermal Resistance From Junction to Lead
Maximum Steady State Power Dissipation at Ta = 25
°C
Measured at Zero Lead Length
Derate Above 25
°C
Thermal Resistance From Junction to Ambient
Maximum Forward Voltage at I
F
= 200 mA
Junction Temperature Range
Storage Temperature Range
Symbol
P
D
Value
3.0
Unit
W
40
R
θ
JL
P
D
25
550
mW/°C
°C/W
mW
4.4
R
θJA
V
F
T
J
Tstg
226
1.5
- 65 to + 150
- 65 to + 150
mW/°C
°C/W
Volts
°C
°C
1 of 3
100
10,000
Measured at
zero bias
PEAK PULSE DERATING IN % OF
PEAK POWER OR CURRENT
C
T
, CAPACITANCE (pF)
75
Uni-directional
1000
50
Bi-directional
100
25
10 X 1000 Waveform
as defined by REA
0
0
25
50
75
100 125 150 175
200
T
A
, AMBIENT TEMPERATURE (
°
C)
Fig. 1 Pulse Derating Curve
10
1
T
j
= 25
°
C
f = 1.0 MHz
V
sig
= 50 mV p-p
10
100
1000
V
RWM
, REVERSE STANDOFF VOLTAGE (V)
Fig. 2 Typical Total Capacitance
100
I
PP
, PEAK PULSE CURRENT (%I
pp
)
P
PK
, PEAK PULSE POWER (kW)
T
j
= 25
°
C
Non Repetitive
Pulse Waveform
Shown in Fig. 4
100
Peak Value I
pp
10
Half Value I
pp
/2
50
1.0
t
p
0.1
0.1
1.0
10
100
1000
10000
0
10 X 1000 Waveform
as defined by R.E.A.
0
1
2
3
t, TIME (ms)
Fig. 4 Pulse Waveform
120
PM
(AV),
STEADY STATE POWER DISSIPATION (W)
5.0
I
FSM
, PEAK FORWARD SURGE CURRENT (A)
100
Pulse Width 8.3ms
Single Half-Sine-Wave
4.0
80
3.0
60
2.0
40
20
1.0
60Hz Resistive or
Inductive Load
0
1
2
5
10
20
50
100
NUMBER OF CYCLES AT 60Hz
Fig. 5 Maximum Non-Repetitive Surge Current
0.0
0
25
50
75
100
125
150
175
200
T
L
, LEAD TEMPERATURE (
°
C)
Fig. 6 Steady State Power Derating Curve
3 of 3
Embedded System
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