1.5KE6.8 thru 1.5KE440CA
and 1N6267 thru 1N6303A
TRANSZORB® Transient Voltage Suppressors
Peak Pulse Power 1500W
Breakdown Voltage 6.8 to 440V
Case Style 1.5KE
Features
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
• Glass passivated junction
• 1500W peak pulse power capabililty on 10/1000µs
waveform, repetition rate (duty cycle): 0.05%
1.0 (25.4)
MIN.
• 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
0.210 (5.3)
0.190 (4.8)
DIA.
• Includes 1N6267 thru 1N6303A
0.375 (9.5)
0.285 (7.2)
Mechanical Data
Case: Molded plastic body over passivated junction
Terminals: Plated axial leads, solderable per MIL-STD-
750, Method 2026
Dimensions in inches
and (millimeters)
Polarity: For unidirectional types the color band denotes
the cathode, which is positive with respect to the anode
under normal TVS operation
1.0 (25.4)
MIN.
0.042 (1.07)
0.038 (0.96)
DIA.
Mounting Position: Any Weight: 0.045oz., 1.2g
Packaging codes/options:
1/1K per Bulk Box, 11K/box
4/1.4K per 13” Reel (52mm Tape), 4.2K/box
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 = 25°C unless otherwise noted)
Parameter
Symbol
Limit
Minimum 1500
See Next Table
6.5
Unit
W
Peak power dissipation with a 10/1000µs waveform(1)
PPPM
(Fig. 1)
Peak pulse current wih a 10/1000µs waveform(1)
IPPM
A
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 superimposed on rated load
IFSM
200
A
V
(JEDEC Method) unidirectional only(3)
Maximum instantaneous forward voltage
at 100A for unidirectional only(4)
VF
3.5/5.0
Typical thermal resistance junction-to-lead
Typical thermal resistance junction-to-ambient
Operating junction and storage temperature range
R
20
75
°C/W
°C/W
OC
θJL
R
θJA
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 = 3.5V for devices of V(BR) < 220V, and VF = 5.0 Volt max. for devices of V(BR) > 220V
11/7/00