P6KE Series
New Product
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 600W
Features
DO-204AC (DO-15)
• Underwriters Laboratory Recognition under UL standard
for safety 497B: Isolated Loop Circuit Protection
0.034 (0.86)
0.028 (0.71)
Dia.
• Glass passivated junction
• 600W peak pulse power capabililty with a 10/1000µs
waveform, repetition rate (duty cycle): 0.01%
• Excellent clamping capability
• Low incremental surge resistance
• Very fast response time
1.0 (25.4)
min.
Mechanical Data
Dimensions are in inches
and (millimeters)
Case: JEDEC DO-204AC molded plastic body over
passivated junction
0.300 (7.6)
0.230 (5.8)
Terminals: Solder plated axial leads, solderable per MIL-
STD-750, Method 2026
High temp. soldering guaranteed: 265°C/10 seconds,
0.375” (9.5mm) lead length, 5lbs. (2.3 kg) tension
0.140 (3.6)
0.104 (2.6)
Dia.
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.
Mounting Position: Any Weight: 0.015oz., 0.4g
Flammability: Epoxy is rated UL 94V-0
Packaging Codes – Options (Antistatic):
51 – 1K per Bulk box, 10K/carton
54 – 4K per 13” paper Reel
(52mm horiz. tape), 12K/carton
73 – 2K per horiz. tape & Ammo box, 20K/carton
Voltages above 440V available Q3-2002
*
Devices for Bidirectional Applications
For bi-directional devices, use suffix C or CA for types P6KE6.8 through types P6KE440 (e.g. P6KE6.8C, P6KE440CA).
Electrical characteristics apply in both directions.
Maximum Ratings and Characteristics TA=25OC unless otherwise noted.
Parameter
Symbol
Value
600
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
5.0
100
W
A
at TL=75OC, lead lengths 0.375” (9.5mm)(2)
Peak forward surge current, 8.3ms single half sine-wave(3)
Maximum instantaneous forward voltage
at 50A 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 per minute maximum
(4) VF = 3.5V for P6KE220(A) & below; VF = 5.0V for P6KE250(A) & above
Document Number 88369
18-Jul-02
www.vishay.com
1