WTE
POWER SEMICONDUCTORS
Pb
400W TRANSIENT VOLTAGE SUPPRESSOR
P4KE SERIES
Features
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Glass Passivated Die Construction
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400W Peak Pulse Power Dissipation
6.8V – 440V Standoff Voltage
Uni- and Bi-Directional Versions Available
Excellent Clamping Capability
Fast Response Time
A
B
A
Plastic Case Material has UL Flammability
Classification Rating 94V-O
C
D
DO-41
Mechanical Data
Dim
A
Min
25.4
4.06
0.71
2.00
Max
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Case: DO-41, Molded Plastic
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Terminals: Axial Leads, Solderable per
MIL-STD-202, Method 208
B
5.21
0.864
2.72
C
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Polarity: Cathode Band Except Bi-Directional
Marking: Type Number
Weight: 0.34 grams (approx.)
D
All Dimensions in mm
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Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 6
“C” Suffix Designates Bi-directional Devices
“A” Suffix Designates 5% Tolerance Devices
No Suffix Designates 10% Tolerance Devices
Maximum Ratings and Electrical Characteristics @TA=25°C unless otherwise specified
Characteristic
Symbol
PPPM
IFSM
Value
400 Minimum
40
Unit
W
A
Peak Pulse Power Dissipation at TA = 25°C (Note 1, 2, 5) Figure 3
Peak Forward Surge Current (Note 3)
Peak Pulse Current on 10/1000µS Waveform (Note 1) Figure 1
Steady State Power Dissipation (Note 2, 4)
IPPM
See Table 1
1.0
A
PM(AV)
RθJL
W
Typical Thermal Resistance ,Junction to Lead (Note 6)
Typical Thermal Resistance, Junction to Ambient (Note 6)
Operating and Storage Temperature Range
60
°C/W
°C/W
°C
RθJA
100
Tj, TSTG
-65 to +175
Note: 1. Non-repetitive current pulse per Figure 1 and derated above TA = 25°C per Figure 4.
2. Mounted on 40mm2 copper pad.
3. 8.3ms single half sine-wave duty cycle = 4 pulses per minutes maximum.
4. Lead temperature at 75°C.
5. Peak pulse power waveform is 10/1000µS.
6. Measured at lead length 3/8” (9.5mm) from body.
P4KE SERIES
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© 2006 Won-Top Electronics