ST-0470-BLT-STD Datasheet ST-0470-BLT-STD, ST-0470-BLB-STD | P1-P3

Characteristics

Sparctube

Switching Spark Gap ST-0470 Series

Initial Values:

Static Breakdown Voltage @ 800 V/s

First Ignition Values ..............................................................................................................< 620 V

Following Ignition Values ......................................................................................................470 V ±12 %

Electrical Life:

Minimum Number of Switching Cycles .......................................................................................2x10

Peak Current (Approx.)...............................................................................................................500 A

Maximum Switching Frequency..................................................................................................200 Hz

Breakdown Characteristics @ 620 V Limit

First Ignition Values ..............................................................................................................≤620V

Delay Time ............................................................................................................................< 60 ms

Following Ignition Values ......................................................................................................470 V ±15 %

General Data:

Breakdown Time ......................................................................................................................... < 50 ns

Insulation Resistance @100 Vdc ...............................................................................................> 100 megohms

Share of Early Ignition Values (< 400 V) ....................................................................................< 1 %

Capacitance................................................................................................................................< 1 pF

Operating Temperature Range

................................................................................................-40 °C to +160 °C

Storage Temperature Range ......................................................................................................-65 °C to +125 °C

Weight (Approx.) .........................................................................................................................2.3 g

Testing ........................................................................................................................................100 %

Robustness of Terminations .......................................................................................................IEC 60068-2-21

Notes:

At delivery AQL 0.65 Level II, DIN ISO 2859.

Distribution of switchings: maximum 20 % above +125 °C and 20 % below +20°C.

Test Ua1 (tensile), Ua2 (thrust), Ub (bending) and Uc (torsion).

Description

Bourns

Sparctube

SwitchingSparkGapSeriesisarangeofswitchingsparkgapsdesignedspecicallyforvoltagecontrolled

switching of capacitive discharge circuits where a high energy, low loss, fast rate of switching is required. This series is ideally suited

for applications where a capacitive discharge is utilized with a transformer to obtain pulses of very high voltage levels in the order of

several thousand volts.

Features

n Formerly a product

n Fast switching rate

n High energy, low loss capability

n Wide operating temperature range

n Long service life

n High insulation resistance

n RoHS compliant*

Applications

n Igniters for architectural and automotive

Xenon discharge lamps

n Electronic igniters for gas heating and gas

domestic appliances, e.g., cookers

n Ignition of ultra-high pressure gas

discharge lamps for data and video

projectors

*RoHS COMPLIANT

LEAD FREE

*RoHS COMPLIANT

VERSIONS

AVAILABLE

LEAD FREE

VERSIONS ARE

RoHS COMPLIANT*

*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.

Speciﬁcations are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

Users should verify actual device performance in their speciﬁc applications.

Basic Application Circuit

LOAD

Sparctube

Switching Spark Gap Device

Asia-Pacic:

Tel: +886-2 2562-4117

Email: asiacus@bourns.com

Europe:

Tel: +36 88 520 390

Email: eurocus@bourns.com

The Americas:

Tel: +1-951 781-5500

Email: americus@bourns.com

www.bourns.com

60.0 - 82.0

(2.362 - 3.228)

TINNED LEADS

METAL ELECTRODE

CERAMIC INSULATOR

8.0 +0.1/-0.3

(.315 +.004/-.012)

DIA.

8.0 +0.1/-0.3

(.315 +.004/-.012)

DIA.

1.0

(.039)

DIA.

5.8 ± 0.3

(.228 ± .012)

8.0 +0.1/-0.3

(.315 +.004/-.012)

DIA.

METAL ELECTRODE

CERAMIC INSULATOR

5.8 ± 0.3

(.228 ± .012)

8.4

(.331)

MAX.

8.6

(.339)

MAX.

1.00

(.039)

DIA.

8.4

(.331)

MAX.

5.8 ± 0.3

(.228 ± .012)

2.52 ± 0.20

(.099 ± .008)

0.25 +0.15/-0.05

(.010 +.006/-.002)

0.20

(.008)

APPROX.

9.6

(.38)

8.6

(.34)

4.5

(.18)

Sparctube

Switching Spark Gap ST-0470 Series

Product Dimensions

ST-0470-BLx

How to Order

ST - 0470 - B x x - STD

Series

Designator

Switching Voltage

0470 = 470 V

Tolerance

B = 12 %

Lead Shape

B = Bent Leads

C = No Leads*

L = Straight Leads

Packaging

B = Bulk

T = Tape & Reel*

StandardorModiedProductIndicator

STD = Standard

*Leadless version available in bulk packaging

only.

Typical Part Marking

ST 0470 wwy ...... “wwy” = Week and

year of production

DIMENSIONS:

(INCHES)

ST-0470-BCx

ST-0470-BBx

Test Circuit

CUo

UsDUT

Uo .........620 V

R ...........See Note

C ...........470 nF

L ............0.5 µH

DUT ......Device Under Test

Us .........Breakdown Voltages

NOTE: Uo and R are set to provide suitable conditions for

different measurements.

Speciﬁcations are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

Users should verify actual device performance in their speciﬁc applications.

Recommended Pad Layout

60.0 - 82.0

(2.362 - 3.228)

TINNED LEADS

METAL ELECTRODE

CERAMIC INSULATOR

8.0 +0.1/-0.3

(.315 +.004/-.012)

DIA.

8.0 +0.1/-0.3

(.315 +.004/-.012)

DIA.

1.0

(.039)

DIA.

5.8 ± 0.3

(.228 ± .012)

8.0 +0.1/-0.3

(.315 +.004/-.012)

DIA.

METAL ELECTRODE

CERAMIC INSULATOR

5.8 ± 0.3

(.228 ± .012)

8.4

(.331)

MAX.

8.6

(.339)

MAX.

1.00

(.039)

DIA.

8.4

(.331)

MAX.

5.8 ± 0.3

(.228 ± .012)

2.52 ± 0.20

(.099 ± .008)

0.25 +0.15/-0.05

(.010 +.006/-.002)

0.20

(.008)

APPROX.

9.6

(.38)

8.6

(.34)

4.5

(.18)

Sparctube

Switching Spark Gap ST-0470 Series

Models ST-0470-BBB, ST-0470-BLB and ST-0470-BCB* ship standard bulk pack, 1,000 pcs./bag. The optional tape and reel packaging

contains 1,000 pcs./reel for Model ST-0470-BLT; 500 pcs./reel for Model ST-0470-BBT.

* Available in bulk packaging only.

Packaging Specications

85.0 ± 2.0

(3.346 ± .079)

356.0 ± 2.0

(14.016 ± .079)

DIA.

14.0 +1.0/-0.0

(.551 +.039/-.00)

DIA.

6.2 ± 1.0

(.244 ± .039)

90.0 ± 2.0

(3.543 ± .079)

90.0 ± 2.0

(3.543 ± .079)

10.0 ± 1.0

(.394 ± .039)

SPACING

105.0

(4.134)

SECTION A-A

SECTION B-B

SECTION C-C

12.0 ± 0.1

(.472 ± .004)

12.0 ± 0.1

(.472 ± .004)

2.0 ± 0.1

(.079 ± .004)

4.0 ± 0.1

(.157 ± .004)

1.75

(.069)

0.50 ± 0.05

(.020 ± .002)

8.5 +0.15/-0.05

(.335 +.006/-.002)

9.3 ± 0.1

(.366 ± .004)

9.1 +0.2/-0.0

(.358 +.008/-.000)

7.50

(.295)

16.0

(.630)

8.2 +0.2/-0.0

(.323 +.008/-.000)

330

(12.992)

2.2 ± 0.5

(.087 ± .020)

13.0 ± 0.2

(.512 ± .008)

100 ± 1.0

(3.937 ± .039)

16.5 ± 0.1

(.650 ± .004)

20.2 ± 1.0

(.795 ± .039)

DIMENSIONS:

(INCHES)

ST-0470-BBT

ST-0470-BLT

REV. 07/16

“Sparctube” is a registered trademark of Bourns, Inc. in the U.S., the European Community and People’s Republic of China.

Speciﬁcations are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

Users should verify actual device performance in their speciﬁc applications.

P1-P3

ST-0470-BLT-STD

Mfr. #:

Buy ST-0470-BLT-STD

Manufacturer:

Bourns

Description:

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 470volts +12 % STRAIGHT LEADS

Lifecycle:

New from this manufacturer.

Delivery:

DHL FedEx Ups TNT EMS

Payment:

T/T Paypal Visa MoneyGram Western Union

ST-0470-BLT-STD

ST-0470-BLT-STD

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