20KPA280C

更新时间： 2024-02-19 21:37:01

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力特 - LITTELFUSE		瞬态抑制器二极管局域网
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5页	135K
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数据手册

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20KPA280C 数据手册

TransientVoltage Suppression Diodes

Axial Leaded – 20000W > 20KPA series

RoHS

20KPA Series

Description

The 20KPA Series is designed speciﬁcally to protect

sensitive electronic equipment from voltage transients

induced by lightning and other transient voltage events.

Features

tꢀ)BMPHFOꢁ'SFF

tꢀ -PXꢀJODSFNFOUBMꢀTVSHFꢀ

resistance

tꢀ 3P)4ꢀDPNQMJBOU

tꢀ 5ZQJDBMꢀ*_Rless than 2μA

above 49V

tꢀ 5ZQJDBMꢀNBYJNVNꢀ

temperature coefﬁcient

ΔV_BR= 0.1% x V_BR@25°C x ΔT tꢀ )JHIꢀUFNQFSBUVSFꢀ

soldering guaranteed:

Agency Approvals

tꢀ (MBTTꢀQBTTJWBUFEꢀDIJQꢀ

260°C/40 seconds /

0.375”,(9.5mm) lead

length, 5 lbs., (2.3kg)

tension

tꢀ 1MBTUJDꢀQBDLBHFꢀIBTꢀ

Underwriters Laboratory

Flammability classiﬁcation

94V-O

junction in P600 package

AGENCY

AGENCY FILE NUMBER

E230531

tꢀ ꢂꢃꢃꢃꢃ8ꢀQFBLꢀQVMTFꢀ

capability at 10×1000μs

waveform, repetition rate

(duty cycles):0.01%

tꢀ 'BTUꢀSFTQPOTFꢀUJNFꢄꢀ

typically less than 1.0ps

from 0 Volts to BV min

Maximum Ratings andThermal Characteristics

(T_A=25^OC unless otherwise noted)

tꢀ .BUUFꢀ5JOꢀ-FBEoGSFFꢀQMBUFE

tꢀ &YDFMMFOUꢀDMBNQJOHꢀ

capability

Parameter

Symbol

P_PPM

Value

Unit

Peak Pulse Power Dissipation by

10x1000μs test waveform (Fig.1)

(Note 1)

20000

Applications

Steady State Power Dissipation on

iniﬁnite heat sink atT_L=75ºC (Fig. 5)

TVS devices are ideal for the protection of I/O interfaces,

_CCbus and other vulnerable circuits used in telecom,

computer, industrial and consumer electronic applications.

P_D

8.0

Peak Forward Surge Current, 8.3ms

Single Half Sine Wave Unidirectional

only (Note 2)

I_FSM

400

Operating Junction and Storage

Temperature Range

T , T_STG-55 to 175

°C

TypicalThermal Resistance Junction

to Lead

R_uJL

R_uJA

8.0

°C/W

TypicalThermal Resistance Junction

to Ambient

Notes:

1. Non-repetitive current pulse , per Fig. 3 and derated aboveT_A= 25^OC per Fig. 2.

2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per

minute maximum.

117

Revision: January 09, 2009

20KPA Series

Speciﬁcations are subject to change without notice.

Please refer to http://www.Littelfuse.com/series/20KPA.html for current information.

12 3 4 5

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