GDT28H-110-BRP

## **Features** 

n High current rating n High insulation resistance n Quick response, long service life n Wide operating temperature range n RoHS compliant* 

## **Applications** 

n Power supplies n Medical devices** n Air conditioning n Lighting n IEC 62368-1 equipment 

## BOURNS Eee **GDT28H Series - High Voltage Gas Discharge Tube** 

## ~~**Description**~~ 

Bourns[®] GDT28H Series two-electrode High Voltage Gas Discharge Tube offers high insulation resistance over a wide temperature range and is available with a DC Sparkover Voltage range from 1 kV to 3.3 kV. Other customized voltages in this range are available upon request. 

~~**Agency Recognition**~~ **Agency Category Agency File** UL 1449 – 4th Ed. E313168 ~~iwfw| fj |~~ 

## ~~**Additional Information**~~ 

Click these links for more information: 

PRODUCT TECHNICAL INVENTORY SAMPLES CONTACT SELECTOR LIBRARY 

## ~~**Electrical Characteristics @ 25 °C**~~ 

|**Bourns**<br>**Part No.**<br>~~Cn~~<br>~~a~~<br>~~ee~~<br>~~ee~~|**Device Specifications**<br>~~Cn~~|**Device Specifications**<br>~~Cn~~|**Device Specifications**<br>~~Cn~~|**Device Specifications**<br>~~Cn~~|**Device Specifications**<br>~~Cn~~|**Device Specifications**<br>~~Cn~~|**Device Specifications**<br>~~Cn~~|**Device Specifications**<br>~~Cn~~|**Device Specifications**<br>~~Cn~~|**Device Specifications**<br>~~Cn~~|**Device Specifications**<br>~~Cn~~|
|---|---|---|---|---|---|---|---|---|---|---|---|
||**DC Sparkover Voltage**<br>**@ 100 V/s**<br>**(V)**<br>~~Cn~~<br>~~aa~~<br>~~ee~~<br>|||**Impulse Sparkover**<br>**Voltage (V)**||**AC**<br>**Withstand**<br>**Voltage**|**Insulation**<br>**Resistance**<br>**@ 100 V**|**Capacitance**<br>**@ 1 MHz**|**Glow to Arc**<br>**Transition**<br>**Current**|**Glow**<br>**Voltage**<br>~~|~~|**Arc Voltage**<br>**@ 1 A min.**<br>~~|~~|
|||||**100 V/µs**<br>~~ed~~|**1 kV/µs**<br>~~es~~|||||||
||**Min.**<br>~~a~~<br>~~ee~~<br>|**Typ.**<br>~~a~~<br>~~ee~~<br>|**Max.**<br>~~ee~~<br>~~ee~~<br>|**Max.**<br>~~ed~~<br>~~ee~~<br>|**Max.**<br>~~es~~<br>~~es~~<br>|**3 Min.**|**Min.**|**Max.**|||**Typ.**<br>~~|~~|
|GDT28H-100<br>~~a~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|800<br>~~a~~<br>~~ee~~<br>~~ee~~<br>|1000<br>~~a~~<br>~~ee~~<br>~~ee~~<br>|1200<br>~~ee~~<br>~~ee~~<br>~~Ge~~<br>|1400<br>~~ed~~<br>~~ee~~<br>~~ee~~<br>|1500<br>~~es~~<br>~~es~~<br>~~es~~|510|10 GΩ|< 1.5 pF|< 0.5 A|~140 V<br>~~|~~|~25 V<br>~~|~~|
|GDT28H-110<br>~~a~~<br>~~ee ~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|880<br>~~a ~~<br> ~~ee~~<br>~~ee~~<br>~~ee~~<br>|1100<br> ~~a~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>|1320<br>~~ee ~~<br>~~ee~~<br>~~Ge~~<br>~~es~~<br>|1600<br> ~~ed ~~<br>~~ee~~<br>~~ee~~<br>~~Ge~~|1700<br> ~~es~~<br>~~es~~<br>~~es~~|560||||||
|GDT28H-120<br> <br>~~ee ~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|960<br> ~~ee ~~<br> ~~ee~~<br>~~ee~~<br>~~ee~~|1200<br> ~~ee ~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|1440<br> ~~ee~~<br>~~Ge~~<br>~~es~~<br>~~Gs~~|1700<br>~~ee ~~<br>~~ee~~<br>~~Ge~~|1800<br> ~~es~~<br>~~es~~|610||||||
|GDT28H-130<br> <br>~~ee ~~<br>~~ee~~<br>~~ee~~|1040<br> ~~ee ~~<br> ~~ee~~<br>~~ee~~|1300<br> ~~ee ~~<br>~~ee~~<br>~~ee~~|1560<br> ~~Ge ~~<br>~~es~~<br>~~Gs~~|1800<br> ~~ee ~~<br>~~Ge~~|1900<br> ~~es~~|660||||||
|GDT28H-150<br> <br>~~ee ~~<br>~~ee~~<br>~~ee~~|1200<br> ~~ee ~~<br> ~~ee~~|1500<br> ~~ee ~~<br>~~ee~~|1800<br> ~~es ~~<br>~~Gs~~|1800<br> ~~Ge~~|2000|760||||||
|GDT28H-200<br> <br>~~ee~~<br>~~ee~~<br>~~ee~~|1600<br> ~~ee ~~<br>~~ee~~|2000<br> ~~ee ~~<br>~~ee~~|2400<br> ~~Gs~~<br>~~ee ee~~|2500<br>~~ee~~|2750<br>~~es~~|1015||||||
|GDT28H-250<br>~~ee~~<br>~~ee~~<br>~~ee~~|2000<br>~~ee~~<br>~~ee~~|2500<br>~~ee~~<br>~~ee~~|3000<br>~~ee ee~~<br>~~es ee~~|3200<br>~~ee~~<br>~~ee~~|3500<br>~~es~~|1270||||||
|GDT28H-270<br>~~ee ~~<br>~~ee~~<br>~~ee~~|2160<br> ~~ee ~~<br>~~ee~~<br>~~ee ee~~|2700<br> ~~ee ~~<br>~~ee~~<br>~~ee~~|3240<br> ~~ee ee~~<br>~~es ee~~<br>~~es~~|3600<br>~~ee~~<br>~~ee~~<br>~~Ge~~|4000<br>~~es~~|1370||||||
|GDT28H-300<br>~~ee ~~<br>~~ee~~<br>~~ee~~|2400<br> ~~ee ~~<br>~~ee ee~~|3000<br> ~~ee~~<br>~~ee~~|3600<br>~~es ee~~<br>~~es~~|4000<br>~~ee~~<br>~~Ge~~|4200|1525||||||
|GDT28H-330<br>~~ee~~<br>~~ee~~|2640<br>~~ee ee~~|3300<br>~~ee ~~|3960<br> ~~es ~~|4600<br> ~~Ge~~|4700|1680||||||



- Notes: (1) Test conducted in series with suitable MOV per UL1449 Edition 4. 

|**Bourns**<br>**Part No.**|**Life Ratings3**|**Life Ratings3**|**Life Ratings3**|**Life Ratings3**|**Life Ratings3**|
|---|---|---|---|---|---|
||**Maximum**<br>**Follow On**<br>**Current1**|**Nominal AC**<br>**Discharge**<br>**Current**|**AC Discharge**<br>**Current**|**Nominal Impulse**<br>**Discharge**<br>**Current2**|**Max. Surge**<br>**Current3**|
||**A**|**10 x 1 s**<br>**@ 50-60 Hz**|**1 x 50-60 Hz,**<br>**9 cycles**|**8/20 µs**|**8/20 µs**|
|GDT28H-100|200|N/A|N/A|5 kA<br>10 operations|10 kA<br>2 operations|
|GDT28H-110||||||
|GDT28H-120||||||
|GDT28H-130||||||
|GDT28H-150||||||
|GDT28H-200||||||
|GDT28H-250||||||
|GDT28H-270||||||
|GDT28H-300||||||
|GDT28H-330||||||



## **WARNING** 

## **Cancer and Reproductive Harm** www.P65Warnings.ca.gov 

- *RoHS Directive 2015/863, Mar 31, 2015 and Annex. 

- ** Bourns[®] products have not been designed for and are not intended for us in “lifesaving,” “life-critical” or “life-sustaining” applications nor any other applications where failure or malfunction of the Bourns[®] product may result in personal injury or death. 

Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 

## **GDT28H Series - High Voltage Gas Discharge Tube** 

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**----- Start of picture text -----**<br>
Circuit Diagram Typical Part Marking Environmental Characteristics<br>A Represents total content. Layout may vary. Storage Temperature Range<br>  .........................................-40 °C to +125 °C<br>MANUFACTURER’S Operating Temperature Range<br>TRADEMARK<br>  .........................................-40 °C to +125 °C<br>PART  Climatic Category (IEC 60068-1)..... 40/125/21<br>IDENTIFICATION Moisture Sensitivity Level .............................. 1<br>WWYY28-xxx ESD Classification (HBM)...........................N/A<br>B DATE CODE<br>Note:<br>Gas discharge tubes are bidirectional.<br>**----- End of picture text -----**<br>


## ~~**How To Order**~~ 

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**----- Start of picture text -----**<br>
GDT28H  -  xxx  -  B  RP<br>**----- End of picture text -----**<br>


Series Designator DC Sparkover Voltage 100 = 1000 V 200 = 2000 V 110 = 1100 V 250 = 2500 V 120 = 1200 V 270 = 2700 V 130 = 1300 V 300 = 3000 V 150 = 1500 V 330 = 3300 V Leads A = No Leads B = Straight Lead 0.8 mm Packaging Blank = Bulk RP = Reel Pack 

## ~~**Product Dimensions**~~ 

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**----- Start of picture text -----**<br>
6.0 ± 0.3<br>GDT28H-xxx-A (.236 ± .012)<br>8.0 ± 0.4<br>(.314 ± .016)<br>DIA.<br>2.5 ± 0.25<br>(.098 ± .010)<br>DIA.<br>67.0 ± 0.3<br>GDT28H-xxx-B (2.64 ± .012)<br>MIN.<br>1.0 ± 0.04<br>(.039 ± .002)<br>30.5 ± 0.4 DIA.<br>(1.20 ± .016)<br>LONG 2 PLCS.<br>MM<br>DIMENSIONS:<br>(INCHES)<br>**----- End of picture text -----**<br>


## ~~**Packaging Specifications**~~ 

|**Model**|**Standard Packaging Quantity**|**Standard Packaging Quantity**|**Standard Packaging Quantity**|
|---|---|---|---|
||**Bulk (bag)**|**Box**|**Reel**|
|GDT28H-xxx-A|250|1000|—|
|GDT28H-xxx-B|100|500|—|
|GDT28H-xxx-BRP|—|—|1000|



## **Reel Pack** 

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**----- Start of picture text -----**<br>
72.0 ± 0.5<br>(2.835 ± .020)<br>27.7 77.00<br>(1.091) (3.031)<br>DIA. DIA.<br>76.2 84.8<br>(3.000) (3.339)<br>0.17 356.0 ± 2.0<br>(.007) (14.016 ± .079)<br>DIA.<br>MM<br>DIMENSIONS:<br>(INCHES)<br>52.0<br>(2.047)<br>MIN.<br>10.0 ± 0.5<br>(.394 ± .020)<br>**----- End of picture text -----**<br>


REV. A 07/23 Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 

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