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What is SMCJ80A?

This electronic component, produced by the manufacturer "AVX", performs the same function as "Transient Suppression Diodes".


SMCJ80A Datasheet PDF - AVX

Part Number SMCJ80A
Description Transient Suppression Diodes
Manufacturers AVX 
Logo AVX Logo 


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Transient Suppression Diodes
For General Purpose Use
SMAJ
SMBJ
SMCJ
GENERAL DESCRIPTION
The SMAJ, SMBJ, and SMCJ Series are a popular format of general purpose
transient voltage suppression diodes. They are based on the low leakage,
high reliability, but low cost glass passivated chip rectifier technology.
FEATURES
• Glass passivated chip
• 400W, 600W and 1500W types (10/1000us)
• Low leakage
• Flat clamping
• Very fast response time
• Halogen Free
• ≤1μA leakage for 12V and up
• Lead-Free Terminations
APPLICATIONS
• Consumer
• Industrial
• Telecom
• Computer
HOW TO ORDER
SMAJ
12
CA
Series
SMAJ = 400W
SMBJ = 600W
SMCJ = 1500W
VoltageWM
5V - 440V
C = Bi-directional, 5% Voltage Tolerance
A = Uni-directional, 5% Voltage Tolerance
MAXIMUM RATINGS
RATING
Peak power dissipation with a 10/1000us waveform1
Peak pulse current with a 10/1000us waveform1
Power dissipation on infinite heat sink at TL = 75ºC
Peak forward surge current,8.3ms single half
sine-wave unidirectional only2
Operating junction and storage temperature range
Typical thermal resistance junction to air
Typical thermal resistance junction to case
SYMBOL
PPPM
IPPM
PD
IFSM
TJ,TSTG
θJA
θJC
SMAJ
400
1.0
40
-55 ~ 150
120
30
SMBJ
600
See tables
5.0
100
-55 ~ 150
100
20
NOTES:
1. Non-repetitive current pulse per Fig. 5 and derated above TA = 25ºC per Fig. 1
2. Measured on 8.3ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum.
SMCJ
1500
6.5
200
-55 ~ 150
75
15
UNITS
Watts
Amps
Watts
Amps
ºC
ºC/W
ºC/W
1

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SMCJ80A equivalent
Transient Suppression Diodes
For General Purpose Use
SMBJ SERIES RATINGS AND CHARACTERISTICS
FIG 1. PULSE DERATING CURVE
100
75
50
25
0
0 25 50 75 100 125 150 175 200
Ambient Temperature TA (ºC)
100
80
60
40
20
0
1
FIG 2. MAXIMUM NON-REPETITIVE
TJ = TJ max.
8.3 ms Single Half Sine-Wave
10
Number of Cycles at 60Hz
100
FIG 3. STEADY STATE POWER DERATING CURVE
5.0
4.0
3.0
2.0
1.0
0
0 25 50 75 100 125 150 175 200
Lead Temperature TL (ºC)
FIG 4. PEAK PULSE POWER RATING CURVE
100
Non-repetitive Pulse
Waveform shown in Fig 5
10 TA = 25ºC
0.1
0.1
0.1
1
10
100
1000
10000
Pulse Width td (µs)
100
FIG 5. PULSE WAVEFORM
Tr = 10µs
Peak Value (IPP)
TJ = 25ºC
Pulse width (td) is defined as the
point where the peak current
decasys to 50% of IPP
50
td
0
0
1
Half
value
=
IPP
2
10/100µsec. waveform
as defined by R.E.A.
2
Time (ms)
3
4
5


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Featured Datasheets

Part NumberDescriptionMFRS
SMCJ80The function is UNIDIRECTIONAL AND BIDIRECTIONAL SURFACE MOUNT. Microsemi CorporationMicrosemi Corporation
SMCJ80AThe function is UNIDIRECTIONAL AND BIDIRECTIONAL SURFACE MOUNT. Microsemi CorporationMicrosemi Corporation
SMCJ80AThe function is Transient Suppression Diodes. AVXAVX

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