SMDJ SERIES
DATA SHEET
TRANSIENT VOLTAGE SUPPRESSORS – SMDJ SERIES
FEATURE
For surface mounted applications in order to optimize board space.
Low profile package.
Built-in strain relief.
Glass passivated junction.
Low inductance.
Excellent clamping capability.
SMC/DO-214AB
Repetition Rate (duty cycle):0.01%.
Fast response time: typically less than 1.0ps from 0 Volts to BV for unidirectional types.
Typical I
R
less than 1µA above 10V.
High Temperature soldering: 260°C/10 seconds at terminals.
Plastic package has Underwriters Laboratory Flammability 94V-O.
MECHANICAL DATE
Case: JEDEC DO214AB. Molded plastic over glass passivated junction.
Terminal: Solder plated, solderable per MIL-STD-750, Method 2026.
Polarity: Color band denoted positive end (cathode) except Bidirectional.
Standard Packaging: 12mm tape (EIA STD RS-481).
Weight: 0.007 ounce, 0.21 grams.
DEVICES FOR BIPOLAR APPLICATION
For bidirectional use C or CA suffix for types SMDJ5.0 thru types SMDJ170 (e.g.SMDJ5.0CA, SMCJ170CA),
electrical characteristics apply in both directions.
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 25
ambient temperature unless otherwise specified.
RATING
Peak Pulse Power Dissipation on 10/1000 s waveform
(Note1,Note2, Fig.1).
Peak Pulse Current of on 10/1000 s waveform.(Note1,Fig.3)
Steady State Power Dissipation at T
L
=75
(9.5mm) (Note2,Fig.5).
,Lead lengths.375”,
SYMBOL
P
PPM
I
PPM
P
M(AV)
I
FSM
T
J
, T
STG
VALUE
Minimum 3000
See Table
6.5
300
-65 to +150
UNITS
Watts
Amps
Watts
Amps
Peak Forward Surge Current,8.3ms Single Half Sine-Wave
Superimposed on Rated Load, (JEDEC Method) (Note 3,Fig.6).
Operating junction and Storage Temperature Range.
Notes: 1. Non-repetitive current pulse, per Fig. 3 and derated above TA = 25 per Fig. 2.
2. Mounted on 0.8mm x 0.8mm Copper Pads to each terminal.
3. 8.3ms single half sine-wave, or equivalent square wave, Duty cycle = 4 pulses per minutes maximum.
Revision:15-Dec-11
www.brightking.com
SMDJ SERIES
RATINGS AND CHARACTERISTIC CURVES
Figure 1 - Peak Pulse Power Rating Curve
1000
(TA=25
unless otherwise noted)
Figure 2 - Pulse Derating Curve
100
Peak Pulse Power (P
PP
) or
Current (I
PP
) Derating in
Percentage %
P
PPM
-Peak Pulse Power (KW)
80
100
60
10
40
1
0.31x0.31" (8.0x8.0mm)
Copper Pad Area
20
0.1
0.0000001
0.000001
0.00001
0.0001
0.001
0
0
25
50
75
100
125
150
175
t
d
-Pulse Width (Sec.)
T
A
- Ambient temperature (ºC)
Figure 3 - Pulse Waveform
150
I
PPM
- Peak Pulse Current, % I
RSM
tr=10μsec
Peak Value
IPPM
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
Figure 4 - Typical Junction Capacitance
100000
10000
Bi-directional V= OV
100
Uni-directional V= OV
Half Value
IPPM
IPPM
2
Cj (pF)
1000
Uni-directional @ VR
( )
10/1000μsec. Waveform
as defined by R.E.A
100
Bi-directional @ VR
50
10
td
0
0
1.0
2.0
t-Time (ms)
3.0
4.0
1
1.0
10.0
100.0
1000.0
V
BR
- Reverse Breakdown Voltage (V)
Figure 5 - Steady State Power Dissipation Derating Curve
Figure 6 - Maximum Non-Repetitive Forward
Surge Current Uni-Directional Only
350
I
FSM
- Peak Forward Surge Current
(A)
300
250
200
150
100
50
0
1
10
Number of Cycles at 60 Hz
100
6.5
6
5.5
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
0
25
50
75
100
125
150
175
T
A
- Ambient Temperature(ºC)
P
M(AV)
, Steady Sate Power
Dissipation (W)
Revision:15-Dec-11
www.brightking.com
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