1.5KE Series and 1N6267 thru 1N6303A
Vishay Semiconductors
formerly General Semiconductor
T
RANS
Z
ORB
®
Transient Voltage Suppressors
Case Style 1.5KE
ed e
nd ang
xte R
E e
Features
tag
Vol
V
(BR)
Unidirectional
6.8 to 540V
V
(BR)
Bidirectional
6.8 to 440V
Peak Pulse Power
1500W
1.0 (25.4)
MIN.
0.210 (5.3)
0.190 (4.8)
DIA.
• 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%
• Excellent clamping capability
• Low incremental surge resistance
• Very fast response time
• 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
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
Mounting Position:
Any
Weight:
0.045 oz., 1.2 g
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
Dimensions in inches
and (millimeters)
1.0 (25.4)
MIN.
0.042 (1.07)
0.038 (0.96)
DIA.
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
Parameter
(T
A
= 25°C unless otherwise noted)
Symbol
P
PPM
I
PPM
P
M(AV)
I
FSM
V
F
R
θJL
R
θJA
T
J
, T
STG
Limit
1500
See Next Table
6.5
200
3.5/5.0
20
75
–55 to +175
Unit
W
A
W
A
V
°C/W
°C/W
O
Peak power dissipation with a 10/1000µs waveform
(1)
(Fig. 1)
Peak pulse current wih a 10/1000µs waveform
(1)
Steady state power dissipation
at T
L
= 75
O
C, 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)
Typical thermal resistance junction-to-lead
Typical thermal resistance junction-to-ambient
Operating junction and storage temperature range
Notes:
(1)
(2)
(3)
(4)
C
Non-repetitive current pulse, per Fig.3 and derated above T
A
= 25°C per Fig. 2
Mounted on copper pad area of 1.6 x 1.6” (40 x 40mm) per Fig. 5
Measured on 8.3ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum
V
F
= 3.5V for 1.5KE220(A) & below; V
F
= 5.0V for 1.5KE250(A) & above
Document Number 88301
30-Oct-02
www.vishay.com
1
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