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Automotive Transient Voltage Supressor
COMCHIP
www.comchiptech.com
6KA24
Stand-off Voltage: 24V Peak Pulse Power: 6000W (10/1000s)
Features
Designed for under the hood applications Plastic package has Underwriters Laboratory Flammability Classification 94V-0 Exclusive patented PAR(R) oxide passivated chip construction Low incremental surge resistance Ideally suited for automotive "load dump" applications High temp. soldering guaranteed: 300C/10 seconds, 0.375" (9.5mm) lead length, 5lbs. (2.3 kg) tension Available in unidirectional only
P600
1.0 (25.4) MIN.
0.360 (9.1) 0.340 (8.6)
0.360 (9.1) 0.340 (8.6)
Mechanical data
Case: Molded plastic body over nitride passivated die Terminals: Axial leads solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes postitive end (cathode) Weight: 0.07 oz., 2.1 g Mounting Position: Any
0.052 (1.32) 0.048 (1.22) DIA. 1.0 (25.4) MIN.
Dimensions in inches and (millimeters)
Maximum Ratings and Thermal Characteristics (TA = 25C unless otherwise noted)
Parameter Peak pulse power dissipation w/ 10/1000s waveform
(1) (2)
Symbol PPPM PPPM PM(AV) VWM
(3)
Limit 6000 2000 6.5 24 400 - 65 to +185
Unit W W W V A C
Peak pulse power dissipation w/ 10s/50ms waveform Steady state power dissipation lead lengths 0.375" (9.5mm), TL = 85C (6) Maximum working stand-off voltage
Peak forward surge current, 8.3ms single half sine-wave Operating junction and storage temperature range
IFSM TJ, TSTG
Electrical Characteristics (TA = 25C unless otherwise noted)
Maximum DC reverse leakage current at VWM = 24V Reverse Breakdown Voltage at 100mA TA = 25C TA = 150C TA = TA = TA = TA = 25C min. 25C max. 150C min. 150C max. ID 1.0 50 26.7 32.6 29.7 36.7 40 45 1.8 A
V(BR)
V
Maximum clamping voltage at IPP = 90A(4)
TA = 25C TA = 150C
VC VF
V V
Maximum instantaneous forward voltage at 100A(5)
Notes: (1) Non-repetitive current pulse, per Fig. 2, with a 10/1000s waveform (2) Non-repetitive current pulse, per Fig. 5, with a 10s/50ms waveform (3) Measured on 8.3ms half sine-wave, or equivalent square wave, duty cycle = 4 pulses maximum
(4) Measured on 80s square pulse width (5) Measured on 300s second square pulse width (6) Mounted on copper pad area of 1.6 x 1.6" (40 x 40mm) per Fig. 5
MDS0305003A
Page 1
Automotive Transient Voltage Supressor
Rating and Characteristic Curves (6KA24)
COMCHIP
www.comchiptech.com
(TA = 25C unless otherwise noted)
Fig. 1 - Peak Pulse Power Rating Curve
1000 150
Fig. 2 - 10/1000s Pulse Waveform
IPPM Peak Pulse Current, % IRSM
tr = 10sec. TJ = 25C Pulse Width (td) is defined as the point Peak Value 100 IPPM where the peak current decays to 50% of IPPM
Non-repetitive Pulse
PPPM Peak Pulse Power (kW)
Waveform shown in Fig. 3 TA = 25C 100
10
Half Value IPP IPPM 50 2
10/1000sec. Waveform as defined by R.E.A.
1
td 0 0 1.0 2.0 3.0 4.0
0.1 100ns
1.0s
10s
100s
1.0ms
10ms
100ms
td Pulse Width (sec.)
t Time (ms)
Fig. 3 - Pulse Derating Curve
Peak Pulse Power (PPP) or Current (IPPM) IFSM Peak Forward Surge Current (A)
100 400
Fig. 4 -- Maximum Non-Repetitive Peak Forward Surge Current
TJ = TJ max. 8.3ms Single Half Sine-Wave 350 (JEDEC Method)
Derating in Percentage, %
80
Peak Power (Single Pulse)
300
60 Average Power
250
40
200
Lead Length = 0.375" (9.5mm) 20
150
0
100 0 25 50 75 100 125 150 175 1 5 10 50 100
TA Ambient Temperature (C)
Number of Cycles at 60 Hz
Fig. 5 - 10s/50ms Pulse Waveform
150 tr = 10sec. TJ = 25C Pulse Width (td) is defined as the point Peak Value 100 IPPM where the peak current decays to 50% of IPPM
IPPM Peak Pulse Current, % IPP
Half Value IPPM 2 50
10s/50ms Waveform as defined by R.E.A.
td 0 0 50 100 150 200
t Time (ms)
MDS0305003A
Page 2

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