1.5KE Series and 1N6267 thru 1N6303A
Vishay Semiconductors
formerly General Semiconductor
TRANSZORB® Transient Voltage Suppressors
V(BR) Unidirectional 6.8 to 540V
V
(BR) Bidirectional 6.8 to 440V
Peak Pulse Power 1500W
Case Style 1.5KE
Features
• Underwriters Laboratory Recognition under UL standard
for safety 497B: Isolated Loop Circuit Protection
• 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
0.210 (5.3)
0.190 (4.8)
DIA.
• Includes 1N6267 thru 1N6303A
Mechanical Data
Case: Molded plastic body over passivated junction
0.375 (9.5)
0.285 (7.2)
Terminals: Plated axial leads, solderable per
MIL-STD-750, Method 2026
High temperature soldering guaranteed: 265°C/10 seconds,
0.375" (9.5mm) lead length, 5lbs. (2.3 kg) tension
Polarity: For unidirectional types the color band denotes
the cathode, which is positive with respect to the anode
under normal TVS operation
Dimensions in inches
and (millimeters)
1.0 (25.4)
MIN.
Mounting Position: Any
Weight: 0.045 oz., 1.2 g
0.042 (1.07)
0.038 (0.96)
DIA.
Flammability: Epoxy is rated UL 94V-0
Packaging Codes – Options (Antistatic):
51 – 1K per Bulk box, 10K/carton
54 – 1.4K per 13" paper Reel
(52mm horiz. tape), 4.2K/carton
73 – 1K per horiz. tape & Ammo box, 10K/carton
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
1500
Unit
W
Peak power dissipation with a 10/1000µs waveform(1) (Fig. 1)
Peak pulse current wih a 10/1000µs waveform(1)
PPPM
IPPM
See Next Table
A
Steady state power dissipation
PM(AV)
IFSM
VF
6.5
200
W
A
at TL = 75OC, lead lengths 0.375” (9.5mm)(2)
Peak forward surge current, 8.3ms
single half sine-wave unidirectional only(3)
Maximum instantaneous forward voltage
at 100A for unidirectional only(4)
3.5/5.0
V
Typical thermal resistance junction-to-lead
Typical thermal resistance junction-to-ambient
Operating junction and storage temperature range
RθJL
RθJA
20
75
°C/W
°C/W
OC
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 1.5KE220(A) & below; VF = 5.0V for 1.5KE250(A) & above
Document Number 88301
30-Oct-02
www.vishay.com
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