P4KE6.8 THRU P4KE440CA
TRANSZORB™ TRANSIENT VOLTAGE SUPPRESSOR
Breakdown Voltage - 6.8 to 440 Volts
Peak Pulse Power - 400 Watts
FEATURES
♦ Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
♦ Glass passivated junction
DO-204AL
♦ 400W peak pulse power capability with a 10/1000µs
waveform, repetition rate
1.0 (25.4)
MIN.
(duty cycle): 0.01%
♦ Excellent clamping capability
♦ Low incremental surge resistance
♦ Fast response time: typically less
0.107 (2.7)
0.080 (2.0)
DIA.
than 1.0ps from 0 Volts to V
for
(BR)
0.205 (5.2)
0.160 (4.1)
uni-directional and 5.0ns for bi-directional types
♦ Devices with V ≥10V I are typically I less than 1.0µA
(BR)
D
D
♦ High temperature soldering guaranteed:
265°C/10 seconds, 0.375" (9.5mm) lead length,
5lbs. (2.3 kg) tension
1.0 (25.4)
MIN.
MECHANICAL DATA
Case: JEDEC DO-204AL molded plastic body over
passivated junction
0.034 (0.86)
0.028 (0.71)
DIA.
Terminals: Axial leads, solderable per MIL-STD-750,
Method 2026
Polarity: For uni-directional types the color band denotes
the cathode, which is posititive with respect to the anode
under normal TVS operation
Dimensions are in inches and (millimeters)
Mounting Position: Any
Weight: 0.012 ounce, 0.3 gram
DEVICES FOR BIDIRECTIONAL APPLICATIONS
For bi-directional use C or CA suffix for types P4KE7.5 thru types P4KE440 (e.g. P4KE7.5CA, P4KE440CA).
Electrical characteristics apply in both directions.
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
SYMBOL
VALUE
UNITS
Peak power dissipation with a 10/1000µs waveform
(NOTE 1, FIG. 1)
PPPM
Minimum 400
Watts
Peak pulse current with a 10/1000µs waveform
(NOTE 1)
IPPM
Amps
Watts
SEE TABLE 1
Steady state power dissipation at TL=75°C
lead lengths 0.375" (9.5mm) (NOTE 2)
PM(AV)
1.0
Peak forward surge current, 8.3ms single half
sine-wave superimposed on rated load
(JEDEC Method) (NOTE 3)
IFSM
40.0
Amps
Maximum instantaneous forward voltage at 25A for
unidirectional only (NOTE 4)
VF
3.5/5.0
Volts
°C
Operating junction and storage temperature range
TJ, TSTG
-55 to +175
NOTES:
(1) Non-repetitive current pulse, per Fig. 3 and derated above TA=25°C per Fig. 2
(2) Mounted on copper pad area of 1.6 x 1.6” (40 x 40mm) per Fig. 5
(3) Measured on 8.3ms single half sine-wave or equivalent square wave, duty cycle=4 pulses per minute maximum
(4) VF=3.5 Volt max. for devices of V(BR)≤220V, and VF=5.0 Volt max. for devices of V(BR)>220V
1/20/99