P4KE6.8_15 Datasheet, PDF (1/4 Pages) Taiwan Semiconductor Company, Ltd – 400W, 6.8V - 440V Transient Voltage Suppressor

P4KE6.8 thru P4KE550CA
Transient Voltage Suppressors
Peak Pulse Power 400W Breakdown Voltage 6.8 to 550V
Features
Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
Glass passivated junction
400W peak pulse power capabililty on 10/1000uS waveform,
repetition rate (duty cycle): 0.01%
Excellent clamping capability
Low incremental surge resistance
Very fast response time
High temperature soldering guaranteed: 265^oC/10 seconds,
0.375” (9.5mm) lead length, 5lbs. (2.3 kg) tension
Mechanical Data
Case: JEDEC DO-204AL(DO-41) molded plastic body over
passivated junction
Terminals: 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: 0.012oz., 0.3g
Devices for Bidirectional Applications
For bi-directional, use C or CA suffix for types P4KE6.8 thru types P4KE440
(e.g. P4KE6.8C, P4KE440CA). Electrical characteristics apply in both directions.
Maximum Ratings and Characteristics
(T_A=25^oC unless otherwise noted)
Parameter
Symbol
Value
Unit
Peak power dissipation with a 10/1000us waveform ⁽¹⁾
(Fig. 1)
P_PPM
Minimum 400
W
Peak pulse current with a 10/1000us waveform ⁽¹⁾
Steady state power dissipation
at T_L=75^oC, 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 25A for unidirectional only ⁽⁴⁾
I
PPM
P_M(AV)
I_FSM
V_F
See Next Table
1.0
40
3.5/5.0
A
W
A
Volts
Typical thermal resistance junction-to-lead
R_θJL
60
o_C/W
Typ. thermal resistance junction-to-ambient, L_Lead=10mm
R_θJA
100
o_C/W
Operating junction and storage temperature range
T_J, T_STG
-55 to +175
o_C
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 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. V_F=3.5 V for devices of V_(BR)<220V, and V_F=5.0 Volt max. for devices of V_(BR)>220V
565