1.5KE6.8 thru 1.5KE550CA
and 1N6267 thru 1N6303A
Transient Voltage Suppressors
Peak Pulse Power 1500W Breakdown Voltage 6.8 to 550V
Features
Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
Glass passivated junction
1500W peak pulse power capabililty on 10/1000us waveform,
repetition rate (duty cycle): 0.05%
Excellent clamping capability
Low incremental surge resistance
Very fast response time
High temperature soldering guaranteed: 265oC/10 seconds,
0.375" (9.5mm) lead length, 5lbs. (2.3 kg) tension
Includes 1N6267 thru 1N6303A
Mechanical Data
Case: Molded plastic body over passivated junction
Terminals: Plated axial leads, solderable per MIL-STD-750,
Method 2026
Polarity: For unidirectional types the color band denotes the
cathode, which is positive with respect to the anode under
normal TVS operation
Mounting Position: Any
Weight: 0.045oz., 1.2g
Devices for Bidirectional Applications
For bi-directional, use C or CA suffix for types 1.5KE6.8 thru types 1.5KE440
(e.g. 1.5KE6.8C, 1.5KE440CA). Electrical characteristics apply in both directions.
Maximum Ratings and Characteristics
(TA=25oC unless otherwise noted)
Parameter
Symbol
Value
Unit
Peak power dissipation with a 10/1000us waveform (1)
(Fig. 1)
PPPM
IPPM
Minimum 1500
See Next Table
6.5
W
A
Peak pulse current with a 10/1000us waveform (1)
Steady state power dissipation
PM(AV)
W
at TL=75oC, lead lengths 0.375" (9.5mm) (2)
Peak forward surge current 8.3ms single half sine-wave
uni-directional only (3)
IFSM
VF
200
Amps
Volts
Maximum instantaneous forward voltage
at 100A for unidirectional only (4)
3.5/5.0
Typical thermal resistance junction-to-lead
Typical thermal resistance junction-to-ambient
Operating junction and storage temperature range
RθJL
RθJA
20
75
oC/W
oC/W
oC
TJ, TSTG
-55 to +175
Notes:
1. Non-repetitive current pulse, per Fig.3 and derated above TA=25oC per Fig. 2
2. Mounted on copper pad area of 1.6 x 1.6” (40 x 40 mm) 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 V for devices of V(BR) 220V, and VF=5.0 Volt max. for devices of V(BR)>220V
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