Datasheet > P4KE250A

P4KE250A

更新时间： 2024-09-15 05:59:03

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描述
GLASS PASSIVAED JUNCTION TRANSIENT VOLTAGE SUPPRESSOR

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数据手册

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P4KE250A 数据手册

P4KE6.8 THRU P4KE440CA

GLASS PASSIVAED JUNCTION TRANSIENT VOLTAGE SUPPRESSOR

Breakdown Voltage:6.8-440 Volts Peak Pulse Power:400 Watts

FEATURE

DO-41

400w peak pulse power capability

Excellent clamping capability

Low incremental surge resistance

Fast response time:typically less than 1.0ps from 0v to

1.0(25.4)

MIN.

BR for unidirectional and 5.0ns ror bidirectional types.

High temperature soldering guaranteed:

0.107 (2.7)

0.080 (2.0)

DIA.

265 C/10S/9.5mm lead length at 5 lbs tension

0.205 (5.2)

0.166(4.1)

MECHANICAL DATA

Case: JEDEC DO-41 molded plastic body over

passivated junction

1.0 (25.4)

MIN.

0.034 (0.86)

0.028 (0.71)

DIA.

Terminals: Plated axial leads, solderable per MIL-STD 750,

method 2026

Polarity: Color band denotes cathode except for

bidirectional types

Mounting Position: Any

Weight: 0.012 ounce,0.33 grams

Dimensions in inches and (millimeters)

DEVICES FOR BIDIRECTIONAL APPLICATIONS

For bidirectional use suffix C or CA for types P4KE6.8 thru P4KE440 (e.g. P4KE6.8CA,P4KE440CA)

Electrical characteristics apply in both directions.

MAXIMUM RATINGS AND CHARACTERISTICS

Ratings at 25 C ambient temperature unless otherwise specified.

SYMBOLS

VALUE

UNITS

Peak power dissipation

(Note 1)

PPPM

IPPM

Minimum 400

See Table 1

1.0

Watts

Amps

Watts

Amps

Peak pulse reverse current

(Note 1, Fig.3)

Steady state power dissapation (Note 2)

Peak forward surge current (Note 3)

Maximum instantaneous forward voltage at 25A

for unidirectional only (Note 4)

PM(AV)

IFSM

3.5/6.5

Volts

Operating junction and storage temperature range

TSTG,TJ

-55 to + 175

Notes:

1.10/1000ms waveform non-repetitive current pulse,per Fig.3 and derated above Ta=25 C per Fig.2

2.TL=75 C,lead lengths 9.5mm,Mounted on copper pad atea of (40x40mm)Fig.5

3.Measured on 8.3ms single half sine-wave or equivalent square wave,duty cycle=4 pulses per minute maximum.

4.VF=3.5V max.for devices of V(BR)<200V,and VF=6.5V max.for devices of V(BR)>200V

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