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1.5KE6.8 Datasheet, PDF (1/6 Pages) Shanghai Sunrise Electronics – TRANSIENT VOLTAGE SUPPRESSOR
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
Minimum 1500
W
Peak pulse current with a 10/1000us waveform (1)
Steady state power dissipation
at TL=75oC, lead lengths 0.375" (9.5mm) (2)
Peak forward surge current 8.3ms single half sine-wave
uni-directional only (3)
Maximum instantaneous forward voltage
at 100A for unidirectional only (4)
I
PPM
PM(AV)
IFSM
VF
See Next Table
6.5
200
3.5/5.0
A
W
Amps
Volts
Typical thermal resistance junction-to-lead
RθJL
20
oC/W
Typical thermal resistance junction-to-ambient
RθJA
75
oC/W
Operating junction and storage temperature range
TJ, TSTG
-55 to +175
oC
Notes:
1. Non-repetitive current pulse, per Fig.3 and derated above T =25oC per Fig. 2
A
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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