A452S004201104 - Littelfuse, Inc.

050915

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www.wickmanngroup.com E-mail: sales@wickmann.com E-mail: service@wickmannusa.com E-mail: sales@wickmann.com.hk E-mail: sales@wickmann.cn

GASAS

ASAS

AS D D

D D

DISCHARGEISCHARGE

ISCHARGEISCHARGE

ISCHARGE T T

T T

TUBEUBE

UBEUBE

UBE

CharacteristicsCharacteristics

Characteristics

SpecificationsSpecifications

Specifications

PackagingPackaging

Packaging

A450: 00=Bulk (2.000 pcs.)

A450/F: 00_Bulk (500 pcs.)

A451: 04=Tray (250 pcs.)

A452/F: 04=Tray (500 pcs.)

MaterialsMaterials

Materials

Housing: Ceramic

Gas: non-radioactive

Leads: tin plated

Arc Voltage @ 1AArc Voltage @ 1A

Arc Voltage @ 1A

~ 35V

Transition Glow to Arc @ransition Glow to Arc @

ransition Glow to Arc @ransition Glow to Arc @

ransition Glow to Arc @

~ 1.0A

Operating temperatureOperating temperature

Operating temperature

-40°C to +90°C

Climatic CategoryClimatic Category

Climatic Category

complies to IEC 60068-1

+40°C, 21 days, <93% humidity

Soldering characteristicsSoldering characteristics

Soldering characteristics

complies to IEC 60068-2-20

Soldering Heat ResistanceSoldering Heat Resistance

Soldering Heat Resistance

complies to IEC 60068-2-58

Transverse Delay Transverse Delay T

ransverse Delay Transverse Delay T

ransverse Delay Timeime

imeime

ime

complies to ITU-T K.12

< 0.2µs

MarkingMarking

Marking

, Type, Nom. Voltage, Date

Unit WeightUnit Weight

Unit Weight

ca. 2.5g

3-electrode (20kA/10A)3-electrode (20kA/10A)

3-electrode (20kA/10A)

Enhanced DischargeEnhanced Discharge

Enhanced Discharge

SeriesSeries

Series

FeaturesFeatures

Features

Non-radioactive

Lead Free

Failsafe Option

ApplicationsApplications

Applications

Telecommunication

Data Transmission

Subscriber protection

Underground cables

StandardStandard

Standard

UL-497B

complies to ITU-T K.12 (formerly CCITT)

complies to DIN 57845/VDE 0845

ApprovalsApprovals

Approvals

UL-rec.

WebLinksebLinks

ebLinksebLinks

ebLinks

Further info see:Further info see:

Further info see:

http://www.wickmanngroup.com/

download/orderinfo_surgearr.pdf

http://www.wickmanngroup.com/

download/crossref_surgearr.pdf

8x10mm

No. A4A4

A4A4

A455

50/A0/A

0/A0/A

0/A451451

451451

451/A/A

/A/A

/A452452

452452

452

Type/ DC Tolerance Impulse Glow Insulation Capacitance 8/20µs 8/20µs AC AC Approval

Order Code sparkover sparkover Voltage Resistance (@1MHZ) Nominal Single Nominal Alternating

voltage voltage (@100 Vdc) Impulse Impulse Discharge Discharge

(1kV/µs) Discharge Discharge Current Current

typ. E1/M;E2/M E1/M;E2/M Current Current (50Hz; 1s; (50Hz;

(10 times) (1 time) (10 times) 9 cycles)

E1+E2/M E1+E2/M E1+E2/M E1+E2/M UL-rec.

A450 S0 0230 01 00

A450 F0 0230 01 00**

A451 S0 0230 01 04 230V +/- 20% < 450V ~ 200V > 10GΩ< 1.5 pF 20kA 25kA 10A 50A •

A452 S0 0230 01 04

A452 F0 0230 01 04**

A450 S0 0250 01 00**

A451 S0 0250 01 04 250V +/- 20% < 550V ~ 200V > 10GΩ< 1.5 pF 20kA 25kA 10A 50A •

A452 S0 0250 01 04

A452 F0 0250 01 04**

A450 S0 0350 01 00

A451 S0 0350 01 04 350V +/- 20% < 600V ~ 200V > 10GΩ< 1.5 pF 20kA 25kA 10A 50A •

A452 S0 0350 01 04

A452 F0 0350 01 04**

A450 S0 0420 11 00

A450 F0 0420 11 00** 420V -17/+30% < 800V ~ 200V > 10GΩ< 1.5 pF 20kA 25kA 10A 50A

A452 S0 0420 11 04

Specifications are subject to change without notice.other values on request ** with failsafe

OrderOrder

Order Qty.Qty.

Qty.Qty.

Qty. Order-Order-

Order-Order-

Order- TT

Typeype

ypeype

ype Failsafe OptionFailsafe Option

Failsafe OptionFailsafe Option

Failsafe Option Sparkover Volt. Sparkover Volt.

Sparkover Volt. Sparkover Volt.

Sparkover Volt. TT

Toleranceolerance

oleranceolerance

olerance Packaging Packaging

Packaging Packaging

Packaging

ExampleExample

Example Number A450 S0 0230 01 00

This product is not recommended

for new designs. Please refer to

Littelfuse series SL1021A.