BK/GDC-250MA

Effective March 2026 Supersedes May 2017 

Technical Data **2016** 

## GDC 

## 5 mm  x 20 mm Time-delay glass tube fuses 

## **Applications** 

- Power supplies 

- LED and general Lighting 

- LED/LCD televisions 

- Appliances and white goods 

- Desktops 

Photo is representative 

- Test equipment 

- Set top boxes 

- Battery chargers 

- Printers and peripherals 

## **Product features** 

- Time-delay, low breaking capacity 

- 5 mm x 20 mm physical size 

- Glass tube with nickel plated brass endcaps 

- Designed to IEC 60127-1 & 2 (32 mA - 15 A) 

## **Environmental compliance** 

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HALOGEN<br>Pb HF<br>RoHS SO FREE<br>**----- End of picture text -----**<br>


## **Agency information** 

- cURus recognized: File E19180, Guide JDYX2 (32 mA to 10 A) 

- IMQ Approval: File E1921 

- PSE File number: JET1641-31003-1019 (1 A to 5 A), JET1641-31003-1020 (6.3 A to 15 A) 

Note: Philippines manufactured parts have cURus approvals only 

**Ordering part number** 

**BK-GDC-1A** Packaging code Family name Ampere rating a ~~l~~ The ordering code is the part number replacing the “.” with a “-” 

## **Packaging prefix** 

- **BLANK:** 5 pieces in tin case 

- **BK-:** 100 pieces in carton. 

- **BK1-:** 1,000 pieces in polybag. 

GDC 5 mm  x 20 mm Time-delay glass tube fuses 

Technical Data 2016 Effective March 2026 

## **Electrical characteristics** 

|||**2.1 In**||**2.75 In**|||**4.0 In**||||**10 In**|||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|**Amp rating**||**max**||**min**||**max**|**min**||**max**||**min**||**max**|
|32 mA - 100 mA||2.0 minutes||200 ms||10 s|40 ms||3.0 s||10 ms||300 ms|
|125 mA - 6.3 A||2.0 minutes||600 ms||10 s|150 ms||3.0 s||20 ms||300 ms|
|8 A - 15 A||2.0 minutes||600 ms||10 s|150 ms||3.0 s||20 ms||300 ms|



## **Product specifications** 

||**Current**<br>**rating**|**Voltage**<br>**rating**|**Interrupting rating**<br>**(A) at rated voltage**|**Typical DC**<br>**cold resistance1**|**Typical**<br>**melting2**|**Typical**<br>**voltage drop3**|**Agency**|**approval**||
|---|---|---|---|---|---|---|---|---|---|
|**Part number**|**(A)**|**(Vac)**|**(50 Hz) Vac**|**(Ohms)**|**I2t (A2sec)**|**(mV)**|**cURus**|**IMQ**|**PSE**|
|GDC-32mA|0.032|250|35|21|0.0051|1050|X|X||
|GDC-40mA|0.04|250|35|13.9|0.0072|920|X|X||
|GDC-50mA|0.05|250|35|9.24|0.0095|800|X|X||
|GDC-63mA|0.063|250|35|6.96|0.021|760|X|X||
|GDC-80mA|0.08|250|35|4.42|0.038|580|X|X||
|GDC-100mA|0.10|250|35|2.8|0.045|490|X|X||
|GDC-125mA|0.125|250|35|1.97|0.063|390|X|X||
|GDC-160mA|0.16|250|35|1.27|0.093|320|X|X||
|GDC-200mA|0.20|250|35|1.0|0.114|340|X|X||
|GDC-250mA|0.25|250|35|0.640|0.265|270|X|X||
|GDC-315mA|0.315|250|35|0.450|0.621|250|X|X||
|GDC-400mA|0.40|250|35|0.310|0.872|210|X|X||
|GDC-500mA|0.50|250|35|0.183|0.827|140|X|X||
|GDC-630mA|0.63|250|35|0.186|1.33|150|X|X||
|GDC-800mA|0.80|250|35|0.129|2.78|75|X|X||
|GDC-1A|1.0|250|35|0.0745|6.45|87.5|X|X|X|
|GDC-1.25A|1.25|250|35|0.059|10.05|86|X|X|X|
|GDC-1.6A|1.6|250|35|0.042|21.7|82|X|X|X|
|GDC-2A|2.0|250|35|0.03325|31.6|77|X|X|X|
|GDC-2.5A|2.5|250|35|0.0255|59.4|72.5|X|X|X|
|GDC-3.15A|3.15|250|35|0.0185|96.4|68.5|X|X|X|
|GDC-4A|4.0|250|40|0.0139|71.8|67|X|X|X|
|GDC-5A|5.0|250|50|0.00985|142.5|60.5|X|X|X|
|GDC-6.3A|6.3|250|63|0.0073|237.6|54|X|X|X|
|GDC-8A|8.0|250|80|0.007|255.8|55|X|X|X|
|GDC-10A|10|250|100|0.005|450|54|X|X|X|
|GDC-12.5A|12.5|250|125|0.004|1019.5|45|||X|
|GDC-15A|15|250|150|0.004|1091.7|65.5|||X|



1. DC cold resistance measured at <10% of rated current 

2. Typical melting I[2] t  was measured at 10 In 

3. Typical voltage drop was measured at +20 °C ambient temperature at rated current 

2 

www.eaton.com/electronics 

GDC 5 mm  x 20 mm Time-delay glass tube fuses 

Technical Data 2016 Effective March 2026 

**Dimensions- mm** Drawing not to scale 

## **Temperature derating curve** 

Operating temperature: -40 °C to +125 °C with proper correction factor applied 

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Temperature (°C)<br>Derating factor %<br>**----- End of picture text -----**<br>


**Time vs. current curve** 

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Current (A)<br>Time (seconds)<br>**----- End of picture text -----**<br>


www.eaton.com/electronics 3 

GDC 5 mm  x 20 mm Time-delay glass tube fuses 

Technical Data 2016 Effective March 2026 

## **I[2] t vs. time curve** 

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**----- Start of picture text -----**<br>
000000.000<br>32mA<br>AAA LE — 40mA<br>100000.000<br>50mA<br>63mA<br>ASA MSA LS. 80mA<br>10000.000<br>100mA<br>125mA<br>160mA<br>1000.000<br>200mA<br>SSSONAD SI 315mA400mA<br>100.000<br>500mA<br>10.000 LOYOILLIL SSL SS LAYS,|| 630mA800mA1A<br>i LS SSS 1 ff 1.25A1.6A<br>1.000<br>2A<br>a Ee eg igi 7A cit ETT OT 2.5A3.15A<br>0.100<br>4A<br>fe 5A6.3A<br>0.010 err<br>TC ny — 8A<br>PTnn 10A<br>12.5A<br>0.001<br>0.010 0.100 1.000 10.000 100.000 1000.000 10000.000 250mA<br>Time (s)<br>s)t (A22I<br>**----- End of picture text -----**<br>


## **I[2] t vs. current curve** 

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**----- Start of picture text -----**<br>
100000.000<br>eea  aa ee a OO —_ 32mA<br>40mA<br>10000.000 EE _ 50mA<br>63mA<br>es | | —--—— —_ 80mA<br>1000.000 A 100mA<br>FEEBEE ESS _ 125mA<br>PENee1 ! BERIatAOSSS S 160mA200mA<br>100.000 EASeteeee eee |) 0 Yec HT2ATAVuEeeeS 250mA315mA<br>400mA<br>ee ee aa TanithVA AS —<br>10.000 —o e 500mA<br>FEAY=EE FHF AEAREASSSS — 630mA<br>RR — 800mA<br>1A<br>1.000 ——__ HAV eee<br>1.25A<br>1.6A<br>on TTFANS SSE _ 2A<br>0.100 A 2.5A<br>pd<br>3.15A<br>E==EEHpAAAA Ne —_— 4A<br>0.010 PINS 5A<br>| = 6.3A<br>Cra a 8ei _— 8A<br>10A<br>0.001 | TTT TIE PT PE 12.5A<br>0.010 0.100 1.000 10.000 100.000<br>Current (A)<br>s)t (A22I<br>**----- End of picture text -----**<br>


Life Support Policy: Eaton does not authorize the use of any of its products for use in life support devices or systems without the express written approval of an officer of the Company. Life support systems are devices which support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. 

Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any technical information contained in this bulletin. 

## **Eaton** 

**Electronics Division** 1000 Eaton Boulevard Cleveland, OH 44122 United States Eaton.com/electronics © 2026 Eaton All Rights Reserved Printed in USA Publication No. 2016 PCN26016, PCN25035 Published: April 2026 

Eaton is a registered trademark. All other trademarks are property of their respective owners. 

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