# Gas Discharge Tube (GDT), B32 Series, 470 V, SMD, 500 A, 1.2 kV

![Product image](https://novapart.co/image/farnell:4141312/)

**URL**: https://novapart.co/products/B32-470-LF/gas-discharge-tube-gdt-b32-series-470-v-smd-500-a
**SKU**: B32-470-LF
**Manufacturer**: YAGEO
**Category**: Circuit Protection || Gas Discharge Tubes - GDT
**Price**: €0.2000
**Stock**: 500+
**Lead Time**: 211 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (15-Jan-2019) |
| Product Range | B32 Series |
| Gdt Case Style | SMD |
| Dc Breakover Voltage | 470V |
| Impulse Discharge Current | 500A |
| Impulse Sparkover Voltage | 1.2kV |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4141312/)

DATA SHEET GAS DISCHARGE TUBES TELEPHONE INTERFACE B32  series **RoHS compliant & free** 

Circuit Protection 

Product Specification 

GAS DISCHARGE TUBS 

B32 series 

## **Gas Discharge Tube (GDT) Data Sheet** 

## **Features** 

- High insulation resistance 

- Low capacitance (≤0.5pF) 

- 500A 8/20μs maximum surge current capacity in accordance with IEC61000-4-5 

- 4KV 10/700μs maximum surge rating in accordance with ITU-TK.21 

- Surface mounted gas arrester 

- Micro-Gap Design 

- Size 3216(1206) 

- Storage and operating temperature: -40 ℃ ~ +85 ℃ 

- Meets MSL level 1, per J-STD-020 

- Safety certification: UL 

## **Applications** 

- Repeaters, Modems 

- Telephone Interface, Line cards 

- Data communication equipment 

- Line test equipment 

## **Part Number Code** 

**==> picture [456 x 291] intentionally omitted <==**

**----- Start of picture text -----**<br>
B32 XXX LF<br>Lead Free<br>DC Spark-over Voltage<br>[tt<br>Size<br>0.3±0.1mm<br>2.0mm<br>3.2±0.3mm 1.6±0.3mm<br>4.4mm<br>Lic] 1<br>Recommended Pad Size<br>1.8mm<br>1.6±0.3mm 1.6±0.3mm<br>**----- End of picture text -----**<br>


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Dimensions<br>**----- End of picture text -----**<br>


Circuit Protection 

Product Specification 

GAS DISCHARGE TUBS 

B32 series 

## **Electrical Characteristics** 

|Part<br>Number|DC<br>Spark-over<br>Voltage|Maximum<br>Impulse<br>Spark-over<br>Voltage|Minimum<br>Insulation<br>Resistance|Minimum<br>Insulation<br>Resistance|Maximum<br>Capacitance|Nominal<br>Impulse<br>Discharge<br>Current|Impulse<br>Withstanding<br>Voltage<br>Capacity|Device<br>Marking<br>Code|
|---|---|---|---|---|---|---|---|---|
||100V/s|1000V/μs|Test<br>Voltage|(GΩ)|(1MHz)|8/20μs<br>10 Times|10/700μs<br>10 Times||
||(V)|(V)|DC(V)||(pF)|(A)|(KV)||
|B32-150-LF|150±30%|750|50|1|0.5|500|4|None|
|B32-200-LF|200±30%|900|100|1|0.5|500|4|None|
|B32-230-LF|230±30%|950|100|1|0.5|500|4|None|
|B32-300-LF|300±30%|1000|100|1|0.5|500|4|None|
|B32-350-LF|350±30%|1100|100|1|0.5|500|4|None|
|B32-400-LF|400±30%|1100|100|1|0.5|500|4|None|
|B32-420-LF|420±30%|1200|100|1|0.5|500|4|None|
|B32-470-LF|470±30%|1200|100|1|0.5|500|4|None|



## **Electrical Ratings** 

|Items|Test Condition/Description|Requirement|
|---|---|---|
|DC Spark-over<br>Voltage|The voltage is measured with voltage ramp dv/dt=100V/s.|To meet<br>the specified<br>value|
|Maximum Impulse<br>Spark-over Voltage|The maximum impulse spark-over voltage is measured with voltage<br>ramp dv/dt=1000V/μs.||
|Insulation<br>Resistance|The resistance of gas tube shall be measured between two electrodes.||
|Capacitance|The capacitance of gas tube shall be measured between two<br>electrodes. Test frequency: 1MHz||
|Impulse<br>Discharge<br>Current|Maximum 8/20μs surge current that can be applied between two<br>electrodes, 5 positive and 5 negative surges, with 3 minutes interval<br>time.||
|Impulse<br>Withstanding<br>Voltage|The maximum 10/700μs surge that can be applied to the Gas Tube, 5<br>positive and 5 negative surges, with 1 minute interval time.||



Circuit Protection 

Product Specification 

GAS DISCHARGE TUBS 

B32 series 

## **Reliability** 

|Items|Test conditions / Methods|Standard|
|---|---|---|
|Cold Resistance|Measurement<br>after<br>-40 ℃/1000<br>HRS<br>&<br>normal<br>temperature/2 HRS.|Features are conformed to<br>rated spec.|
|Heat Resistance|Measurement<br>after<br>125 ℃/1000<br>HRS<br>&<br>normal<br>temperature/2 HRS.||
|Humidity<br>Resistance|Measurement after humidity 90~95℃(45℃)<br>/1000 HRS & normal temperature/2 HRS.||
|Temperature<br>Cycle|10 times repetition of cycle -40℃/30min<br>→normal, temp/2 min→125℃/30min, measurement after<br>normal temp/2 HRS.||
|Solder Ability|Check for solder adhesion after 260±5℃for 3sec , The<br>body immersion depth 1.5mm in molten solder|Evenly covered by solder.|
|Solder Heat|Measurement after 260±5℃solder for 10sec, The body<br>immersion depth 1.5mm in molten solder|Conformed to rated spec.|



## **Recommended Soldering Conditions** 

Reflow Soldering 

**==> picture [433 x 235] intentionally omitted <==**

**----- Start of picture text -----**<br>
Critical Zone<br>tP<br>TP TL to TP<br>Ramp-up<br>TL<br>TS max tL<br>eo<br>TS min<br>Ramp-down<br>tS<br>Preheat<br>25<br>t 25 ℃  to Peak<br>Time<br>Temperature<br>**----- End of picture text -----**<br>


Circuit Protection 

Product Specification 

GAS DISCHARGE TUBS 

B32 series 

## Recommended Conditions 

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|||||
|---|---|---|---|
|Profile Feature|Pb-Free Assembly|
|Average ramp-up rate (TL to TP)|3|℃|/second max.|
|Preheat|
|-Temperature Min (TS min)|150|℃|
|-Temperature Max (TS max)|200|℃|
|-Time (min to max)|(ts)|60-180 seconds|
|TS max to TL|
|-Ramp-up Rate|3|℃|/second max.|
|Time maintained above:|
|-Temperature (TL)|217|℃|
|-Time (tL)|60-150 seconds|
|Peak Temperature (TP)|260|℃|
|Time within 5|℃|of actual Peak Temperature (tP)|20-40 seconds|
|Ramp-down Rate|6|℃|/second max.|
|Time 25|℃|to Peak Temperature|8 minutes max.|

**----- End of picture text -----**<br>


## **Packaging** 

> Tape Dimension (mm) Items Spec. Tolerance W 8.00 ±0.20 ~~a ee ee~~ P0 4.00 ±0.10 P1 4.00 ±0.10 P2 2.00 ±0.10 ‘E @aanya ini[af] ayi ~~a~~ D0 1.55 ±0.05 D1 1.00 ±0.05 E 1.75 ±0.10 ~~0es ee~~ F 3.50 ±0.10 ~~ee eee ee~~ A0 2.00 ±0.10 ~~eeee~~ K0 2.00 ±0.10 ~~ee ee~~ B0 3.80 ±0.10 ~~esee~~ t0 0.30 ±0.10 ~~ee~~ Reel D 170.00 ±2.00 t D d d 13.00 ±0.50 < ~~a~~ , ~~a~~ L 12.00 ±2.00 t 1.20 ±0.20 ~~FI~~ L ~~|~~ Quantity: 2500pcs ~~ee~~ 

Circuit Protection 

Product Specification 

GAS DISCHARGE TUBS 

B32 series 

## **Legal Disclaimer** 

YAGEO, its distributors and agents (collectively, “YAGEO”), hereby disclaims any and all liabilities for any errors, inaccuracies or incompleteness contained in any product related information, including but not limited to product specifications, datasheets, pictures and/or graphics. YAGEO may make changes, modifications and/or improvements to product related information at any time and without notice. 

YAGEO makes no representation, warranty, and/or guarantee about the fitness of its products for any particular purpose or the continuing production of any of its products. To the maximum extent permitted by law, YAGEO disclaims (i) any and all liability arising out of the application or use of any YAGEO product, (ii) any and all liability, including without limitation special, consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for a particular purpose, non -infringement and merchantability. 

YAGEO products are designed for general purpose applications under normal operation and usage conditions. Please contact YAGEO for the applications listed below which require especially high reliability for the prevention of defects which might directly cause damage to the third party's life, body or property: Aerospace equipment (artificial satellite, rocket, etc.), Atomic energy-related equipment, Aviation equipment, Disaster prevention equipment, crime prevention equipment, Electric heating apparatus, burning equipment, Highly public information network equipment, data-processing equipment , Medical devices, Military equipment, Power generation control equipment, Safety equipment, Traffic signal equipment, Transportation equipment and Undersea equipment, or for any other application or use in which the failure o f YAGEO products could result in personal injury or death, or serious property damage. Particularly **YAGEO Corporation and its affiliates do not recommend the use of commercial, automotive, and/or COTS grade products for high reliability applications or manned space flight.** 

Information provided here is intended to indicate product specifications only. YAGEO reserves all the rights for revising this content without further notification, as long as products are unchanged. Any product change will be announced by PCN. 



## Links

- [View this product on Novapart](https://novapart.co/products/B32-470-LF/gas-discharge-tube-gdt-b32-series-470-v-smd-500-a)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/yageo/b32-470-lf/gdt-470v-500a-smd/dp/4141312)
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