Transient
Voltage Suppressors
Series
MERITEK
F
EATURES
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.
Repetition Rate (duty cycle): 0.01%.
Fast response time: typically less than 1.0ps from 0
volt to BV for
unidirectional
types.
Typical I
R
less than 1µA.
High Temperature soldering: 260°C/10 seconds at terminals.
SMC/DO-214AB
M
ECHANICAL
D
ATA
M
Case: JEDEC DO-214AB. Molded plastic over glass passivated junction.
Terminal: Solder plated, solderable per MIL-STD-750, Method 2026.
Polarity: Color band denotes cathode except Bidirectional.
Standard Packaging: 16mm tape (EIA STD RS-481).
Weight: 0.007 ounce, 0.21 grams.
M
AXIMUM
R
ATINGS
A
ND
C
HARACTERISTICS
M
Ratings at 25
°C
ambient temperature unless otherwise specified.
RATING
Peak Pulse Power Dissipation on 10/1000 s waveform.
(Note 1, Note 2, Fig. 1)
Peak Pulse Current
on
10/1000 s waveform. (Note 1, Fig. 3)
Steady State Power Dissipation at T
L
=75
&
, Lead lengths .375”
(9.5mm). (Note 2, Fig. 5)
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.
SYMBOL
P
PPM
I
PPM
P
M(AV)
I
FSM
T
J
, T
STG
VALUE
Minimum 5,000
See Table
UNIT
Watts
Amps
Watts
Amps
&
6.5
300
-65 to +150
Notes: 1. Non-repetitive current pulse, per Fig.
3
and derated above T
A
= 25
&
Ser
Fig.
2.
Ng.
2.
Mounted
on 8.0mm x 8.0mm Copper
to each
each terminal.
.
2.
Mounted
on 8.0mm x 8.0mm Copper Pads
Pads to
terminal.
3. 8.3ms single half sine-wave, or equivalent square wave, Duty cycle = 4 pulses per minute maximum.
maximum.
3.es
All specifications are subject to change without notice.
1
Rev 7
Transient
Voltage Suppressors
Series
MERITEK
R
ATING AND
C
HARACTERISTIC
C
URVES
Figure 1 - Peak Pulse Power Rating Curve
1000
(T
A
: 25°C UNLESS OTHERWISE SPECIFIED)
Figure 2 - Pulse Derating Curve
Peak Pulse Power (P
PP
) or Current (I
PP
)
Derating in Percentage %
100
80
60
40
20
0
P
PPM
-Peak Pulse Power (KW)
100
10
1
0.1
0.0000001
0.000001
0.00001
0.0001
0.001
0
25
50
75
100
125
150
175
t
d
-Pulse Width (Sec.)
T
A
- Ambient Temperature (ºC)
Figure 3 - Pulse Waveform
150
I - Peak Pulse Current, %
RSM
I
PPM
tr=10µsec
Peak Value
I
PPM
T J =25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of PPM
I
Figure 4 - Typical Junction Capacitance
100000
10000
1000
Uni-directional @ VR
Bi-directional V= OV
100
Uni-directional V= OV
Half Value
I
PPM
I
PPM
(
2
)
Cj (pF)
100
Bi-directional @ VR
50
10/1000µsec. Waveform
as defined by R.E.A
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
6.5
6
5.5
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
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
P
M(AV)
, Steady State Power Dissipation (W)
0
25
50
75
100
125
150
175
T
A
-Ambient Temperature (ºC)
1
10
Number of Cycles at 60 Hz
100
4
Rev 7
嵌入式系统
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