SMBJ Series
SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
PEAK PULSE POWER
600
WATTS
REVERSE VOLTAGE
6.8
to
520
Volts
SMB/DO-214AA
.075(1.91)
.083(2.11)
.130(3.30)
.155(3.94)
.160(4.06)
.185(4.70)
.006(.152)
.012(.305)
.083(2.13)
.096(2.44)
.030(0.76)
.050(1.27)
.004(.102)
.008(.203)
.200(5.08)
.220(5.59)
Dimensions in inches and (millimeters)
FEATURES
Glass passivated chip
600W peak pulse power capability woth a
10/1000
μ
s waveform, repetitive rate (duty
cycle):0.01%
Low leakage
Uni and Bidirectional unit
Excellent clamping capability
Very fast response time
MECHANICAL DATA
Case Molded plastic
Epoxy: UL 94V-0 rate flame retardant
Lead: Solderable per MIL-STD-750, method
2026
Polarity Color band denotes cathode end
except Bipolar
Mounting position: Any
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25℃ ambient temperature unless otherwise specif
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%
Parameter
Peak power dissipation with a 10/1000μs waveform
Peak pulse current wih a 10/1000μs waveform
Power dissipation on infinite heatsink at T
L
= 75 °C
Peak forward surge current, 8.3 ms single half sine-
wave unidirectional only
(1)
Maximum instantaneous forward voltage at 50 A for
unidirectional only
(2)
Operating junction and storage temperature range
Note:
Symbol
P
PP
I
PP
P
D
I
FSM
V
F
T
J
, T
STG
Value
Minimum 600
See Next Table
5.0
100
3.5/5.0
–55 to +150
UNIT
Watts
Amps.
Watts
Amps.
Volts
°C
(1) Measured on 8.3 ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum.
(2) VF= 3.5V on SMBJ5.0 thru SMBJ90A devices and VF= 5.0V onSMBJ100 thru SMBJ440A devices.
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SMBJ Series
SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
Peak Pulse Derating in % of Peak Power or
Current, %
AVERAGE FORWARD CURRENT, (A)
AMBIEN
100
0
25
75
100
100
100
0
Peak Forward Surge Current, (A)
80
1
100
100
22
TJ = TJ max.
8.3 ms Single Half Sine-Wave
175
60
50
40
25
20
0
0
25
50
75
100 125 150
Ambient Temperature ,Ta (℃)
175
200
0
1
10
Number of Cycles at 60 Hz
100
Fig. 1 - Pulse Derating Curve
5.0
Steady State Power Dissipation, (W)
100
Fig. 2 - Maximum Non-Repetitive
Surge Current
0.1
10000
Peak Power (kW)
10
0
73
4.0
175
3.0
5
5
0
30
0.22
2.0
1
1.0
0.1
0
25
50
75
100
125
150
Lead Temperature , T
L
(℃)
175
200
0.1μs
0.1
1μs
1
10μs
100μs
10
100
Pulse Width, td
1ms
1000
10ms
10000
0.0
Fig. 3 - Steady State Power Derating Curve
Fig. 4 - Peak Pulse Power Rating Curve
Tr=10μs
Peak Pulse Current , (% )
100
50
Peak Value
0
0
, (Ipp)
0.2 100
0.5
76
Half Value =
Ipp
2
1
50
1.5
33
10/1000
μsec.
Waveform
2
23
as defined by R.E.A.
3
13
4
td
10
TJ = 25 °C
Pulse Width (td) is defined as
the point where the peak current
decays to 50 % of IPPM
0
0
1
2
Time , (ms)
3
4
Fig. 5 - Pulse Waveform
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SMBJ Series
SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
Device
Marking
Code
Uni
QM
Bi
FM
Maximum
Reverse
Leakage
IR(uA)
@VRWM
5
Maximum
Working
Maximum
Reverse
PeakRevers
Clamping
Surge
e Voltage
Voltage
Current
VRWM
Vc (Volts)
Ipp(A)
@Ipp
@10x1000us
(Volts)
sinewave
440
0.84
713
TECHNOLOGIES
SMBJ SERIES
Uni-polar
SMBJ440A
Bi-polar
SMBJ440CA
Breakdown voltage VBR @
IT
Min (V)
492
Max (V) IT (mA)
543
1
Note:
1. Suffix 'A ' denotes 5% tolerance device. Without 'A' denotes 10% tolerance device.
2. Add suffix 'C 'or ' CA ' after part number to specify Bi-directional devices.
3. For Bi-Directional devices having VR of 10 volts and under, the IR limit is double .
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