Product Summary

The P4KE440A is a transient voltage suppression diode designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.

Parametrics

P4KE440A absolute maximum ratings: (1)Peak Pulse Power Dissipation by 10x1000μs test waveform (Fig.1)(Note 1): 400 W; (2)Steady State Power Dissipation on inifinite heat sink at TL=75℃ (Fig. 5): 1.5W; (3)Peak Forward Surge Current, 8.3ms Single Half Sine Wave Unidirectional only (Note 2): 40 A; (4)Maximum Instantaneous Forward Voltage at 25A for Unidirectional only (Note 3): 3.5/5.0 V; (5)Operating Junction and StorageTemperature Range: -55 to 175℃; (6)Typical Thermal Resistance Junctionn to Lead: 60 ℃/W; (7)Typical Thermal Resistance Junction to Ambient: 100 ℃/W.

Features

P4KE440A features: (1)Process Technology: Full CMOS; (2)Organization: 32K x 8; (3)Power Supply Voltage: 4.5~5.5V; (4)Low Data Retention Voltage: 2V(Min); (5)Three state output and TTL Compatible; (6)Package Type: 28-DIP-600B, 28-SOP-450, 28-TSOP1-0813.4F/R.

Diagrams

P4KE440A dimensions

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
P4KE440A
P4KE440A

Littelfuse

TVS Diodes - Transient Voltage Suppressors 376Vso 418Vbr

Data Sheet

0-2900: $0.13
2900-5000: $0.11
5000-10000: $0.10
P4KE440A/1
P4KE440A/1

Vishay Semiconductors

TVS Diodes - Transient Voltage Suppressors 400W 440V 5% Unidir

Data Sheet

Negotiable 
P4KE440A/23
P4KE440A/23

Vishay Semiconductors

TVS Diodes - Transient Voltage Suppressors 400W 440V Unidirect

Data Sheet

Negotiable 
P4KE440A-B
P4KE440A-B

Littelfuse

TVS Diodes - Transient Voltage Suppressors TVS DIODE AXIAL LEAD

Data Sheet

0-1: $0.26
1-10: $0.24
10-100: $0.21
100-250: $0.19
250-500: $0.16
P4KE440A-E3/23
P4KE440A-E3/23

Vishay Semiconductors

TVS Diodes - Transient Voltage Suppressors 400W 440V Unidirect

Data Sheet

Negotiable 
P4KE440A-E3/4
P4KE440A-E3/4

Vishay Semiconductors

TVS Diodes - Transient Voltage Suppressors 400W 440V Unidirect

Data Sheet

Negotiable 
P4KE440A-E3/54
P4KE440A-E3/54

Vishay Semiconductors

TVS Diodes - Transient Voltage Suppressors 400W 440V Unidirect

Data Sheet

0-1: $0.17
1-10: $0.16
10-100: $0.15
100-250: $0.14
P4KE440A-E3/73
P4KE440A-E3/73

Vishay Semiconductors

TVS Diodes - Transient Voltage Suppressors 400W 440V Unidirect

Data Sheet

0-1: $0.17
1-10: $0.16
10-100: $0.15
100-250: $0.14