Transient Voltage Suppressors - SMCJ Series
Features
1. Halogen-free
2. Rohs compliant
3. Typical maximum temperature coefficient
4. ΔV
BR
= 0.1% x V
BR
@25°C x ΔT
5. Glass passivated Chip junction in DO-214AB package
6. 1500W peak pulse capadility at 10×1000μs waveform, repetition rate (duty
cycles):0.01%
7. Fast response time:typically less than 1.0ps from 0 Volts to BV min
8. Excellent clamping capability
9. Low incremental surge resistance
10. Typical IR less than 5μA above 12V
11. High temperature soldering guaranteed: 260°C/40 seconds / 0.375”,
12. (9.5mm) lead length, 5lbs., (2.3kg) tension
13. Plastic package has underwriters laboratory flammability classification
94v-0
UNI
Cathode
BI
Anode
BI
UNI
Applications
TVS devices are ideal for the protection of I/O interfaces,VCC bus and other vulnerable circuits used in telecom, computer,
industrial and consumer electronic applications.
Mechanical Characteristics
Rating
Peak Pulse Power Dissipation at TA=25°C by
10x1000μs waveform (Fig.1)(Note 1), (Note 2)
Power Dissipation on infinite heat sink at TA=50°C
Peak Forward Surge Current, 8.3ms Single Half
Sine Wave (Note 3)
Maximum Instantaneous Forward Voltage at 25A for
Unidirectional only (Note 4)
Operating junction and Storage Temperature Range.
Typical Thermal Resistance Junction to Lead
Typical Thermal Resistance Junction
to Ambient
Symbol
P
PPM
P
D
I
FSM
V
F
T
J
,
T
STG
R
uJL
R
uJA
Value
1500
6.5
200
3.5V/5.0
-55°C to 150°C
15
75
Units
Watts
Watts
Amps
V
°C
°C/W
°C/W
Notes:
1. Non-repetitive current pulse , per Fig. 3 and derated above TA = 25°C per Fig. 2.
2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 perminute maximum.
3. VF<3.5V for devices of VBR < 200V and VF<5.0V for devices of VBR > 201V.
Circuit Protection
System
Specifications are subject to change without notice.
Please refer to
http://www.ruilon.com
for current information.
Page:1
Transient Voltage Suppressors - SMCJ Series
Ratings and Characteristic Curves
Figure 1 - Peak Pulse Power Rating
Figure 2 - Pulse Derating Curve
5
Figure 3 - Pulse Waveform
Figure 4 - Typical Junction Capacitance
Figure 5 - Steady State Power Derating Curve
Figure 6 - Maximum Non-Repetitive Peak Forward
Surge Current Uni-Directional Only
Circuit Protection
System
Specifications are subject to change without notice.
Please refer to
http://www.ruilon.com
for current information.
Page:3
Transient Voltage Suppressors - SMCJ Series
Soldering Parameters
Feflow Condition
- Temperature Min (T s(min))
Pre Heat
- Temperature Max (T s(min))
- Time (min to max) (t s)
Average ramp up rate (Liquidus Temp (TL) to peak
TS(max) to TL - Ramp-up Rate
Reflow
Peak Temperature (T P)
Time within 5°C of actual peak Temperature (t
p
)
Ramp-down Rate
Time 25°C to peak Temperature (T
P
)
Do not exceed
- Temperature (T L) (Liquidus)
- Time (min to max) (t s)
Lead-free assembly
150°C
200°C
60-180 secs
3°C/second max
3°C/second max
217°C
60-150 seconds
260+0/-5 °C
20-40 seconds
6°C/second max
8 minutes Max.
280°C
T
P
Ramp-up
t
p
one
Critical Z
P
T
L
to T
Physical Specifications
Weight
Case
Polarity
Termina
0.007 ounce, 0.21 grams
JEDEC DO214AA. Molded plastic body
over glass passivated junction
Color band denotes cathode except
Bidirectional.
Matte Tin-plated leads, Solderable per
JESD22-B102D
t
L
T
L
Temperature (T)
T
s(max)
Ramp-down
T
s(min)
Preheat
t
s
Time (t)
Environmental Specifications
Temperature Cycle
Pressure Cooker
High Temp. Storage
HTRB
Thermal Shock
JESD22-A104
JESD 22-A102
JESD22-A103
JESD22-A108
JESD22-A106
Circuit Protection
System
Specifications are subject to change without notice.
Please refer to
http://www.ruilon.com
for current information.
Page:4
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