# INDUSTRIAL AND POWER FUSES
**URL**: https://novapart.co/products/BK/MDA-25-R/industrial-and-power-fuses
**SKU**: BK/MDA-25-R
**Manufacturer**: EATON / PARTNER STOCK
**Category**: Circuit Protection || Fuses & Fuse Accessories || Fuses || Industrial & Electrical Power Fuses
**Price**: €5.7900
**Stock**: 500+
## Specifications
| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:4778620/)
Effective November 2023 Supersedes November 2021
Technical Data **2002**
## MDA
## 1/4” x 1-1/4” time delay ceramic fuse
## **Applications**
Primary circuit protection:
- LED and general lighting
- LED/LCD televisions
- Appliances and white goods
- Printers and peripherals
**==> picture [64 x 6] intentionally omitted <==**
**----- Start of picture text -----**
Photo is representative
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- Test equipment
- Uninterruptible power supplies (UPS)
## **Product features**
- Ceramic tube time delay fuse
- 250 Vac/125 Vdc, 0.25 A to 30 A
- Compact 3AB footprint: ¼” x 1 ¼” (6.3 x 32 mm)
- Cartridge and axial lead versions available
- Fuse accessories (cartridge version):
||HBH-I/|||
|---|---|---|---|
|1Axxxx|HBV-I|HTB|HK|
|||||
|HKP|HMR|HGA|HTJ|
|||||
|HRK|HHB|HFA|HHK|
|||||
|HHN|HFB|HHJ|S-4000|
## **Environmental compliance**
**==> picture [177 x 144] intentionally omitted <==**
**----- Start of picture text -----**
HALOGEN
HF Pb
FREE
age SO
Ordering part number
BK-MDA-BV-30-R
Packaging prefix
Family name —
Option code
Ampere rating
RoHS compliance
**----- End of picture text -----**
## **Ordering part number**
## **Agency information**
- UL Listed Card: MDA 1/4 A - 20 A (Guide JDYX, File E19180)
- UL Recognized Card: MDA 25 A - 30 A (Guide JDYX2, File E19180)
- CSA Certification Card: MDA 1/4 A - 20 A (Class No. 1422-01)
- CSA Component Acceptance: MDA 25 A - 30 A (Class No. 1422-30)
## **Packaging prefix**
## **Blank-**
MDA-XXX-R: 5 pieces in tin tray. MDA-V-XXX-R, MDA-BV-XXX-R : 4 pieces in tin tray.
## **BK-**
MDA-XXX-R, MDA-V-XXX-R, MDA-BV-XXX-R: 100 pieces in a box.
**TR-**
MDA-V-XXX-R: 500 pieces on reel.
## **Option code**
**-B**
Board washable
**-V** Axial leads
MDA 1/4” x 1-1/4” time delay ceramic fuse
Technical Data 2002 Effective November 2023
## **Electrical characteristics**
|**Rating**||**% Amp rating**||**Opening time**|
|---|---|---|---|---|
|250 mA to 30 A||100%||4 hours|
|250 mA to 30 A||135%||60 minutes maximum|
|250 mA to 30 A||200%||120 seconds maximum|
## **Product specifications**
||**Current rating**|**Current rating**|**Voltage rating**|**Voltage rating**|**Voltage rating**|**Voltage rating**||||**Typical resistance2**||**Typical voltage**
**drop3**||**Typical melting4**
**I2t**|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|**Part number**|**(A)**||**(Vac)**||**(Vdc)**|||**Interrupting rating @ rated voltage1**||**(mΩ)**||**(mV)**||**(A2sec)**|
|MDA-1/4-R|0.25||250||-|||200 A @ 250 Vac, 10000 A @ 125 Vac||9100||2900||0.28|
|MDA-1/2-R|0.50||250||-|||200 A @ 250 Vac, 10000 A @ 125 Vac||2600||1650||1.2|
|MDA-3/4-R|0.75||250||-|||200 A @ 250 Vac, 10000 A @ 125 Vac||520||495||0.42|
|MDA-1-R|1.0||250||-|||200 A @ 250 Vac, 10000 A @ 125 Vac||380||470||0.90|
|MDA-1-1/2-R|1.5||250||-|||200 A @ 250 Vac, 10000 A @ 125 Vac||190||370||3.4|
|MDA-2-R|2.0||250||-|||200 A @ 250 Vac, 10000 A @ 125 Vac||120||295||8.8|
|||||||||200 A @ 250 Vac, 10000 A @ 125 Vac|||||||
|MDA-2-1/2-R|2.5||250||125|||10000 A @ 125 Vdc||66||246||7.2|
|||||||||200 A @ 250 Vac, 10000 A @ 125 Vac|||||||
|MDA-3-R|3.0||250||125|||10000 A @ 125 Vdc||48||215||15.9|
|||||||||200 A @ 250 Vac, 10000 A @ 125 Vac|||||||
|MDA-4-R|4.0||250||125|||10000 A @ 125 Vdc||31||176||37.2|
|||||||||200 A @ 250 Vac, 10000 A @ 125 Vac|||||||
|MDA-5-R|5.0||250||125|||10000 A @ 125 Vdc||23||173||65|
|||||||||200 A @ 250 Vac, 10000 A @ 125 Vac|||||||
|MDA-6-R|6.0||250||125|||10000 A @ 125 Vdc||18||166||98.1|
|||||||||200 A @ 250 Vac, 10000 A @ 125 Vac|||||||
|MDA-7-R|7.0||250||125|||10000 A @ 125 Vdc||15||158||135|
|||||||||200 A @ 250 Vac, 10000 A @ 125 Vac|||||||
|MDA-8-R|8.0||250||125|||10000 A @ 125 Vdc||13||162||188|
|||||||||200 A @ 250 Vac, 10000 A @ 125 Vac|||||||
|MDA-10-R|10||250||125|||10000 A @ 125 Vdc||9.5||142||332|
|||||||||750 A @ 250 Vac, 10000 A @ 125 Vac|||||||
|MDA-12-R|12||250||125|||10000 A @ 125 Vdc||7.6||128||125.2|
|||||||||750 A @ 250 Vac, 10000 A @ 125 Vac|||||||
|MDA-15-R|15||250||125|||10000 A @ 125 Vdc||5.7||107||336.8|
|||||||||1500 A @ 250 Vac, 10000 A @ 125 Vac|||||||
|MDA-20-R|20||250||125|||10000 A @ 125 Vdc||4.1||95||483.5|
|||||||||1500 A @ 250 Vac, 10000 A @ 125 Vac|||||||
|MDA-25-R|25||250||125|||10000 A @ 125 Vdc||3.1||105||734.7|
|||||||||1500 A @ 250 Vac, 10000 A @ 125 Vac|||||||
|MDA-30-R|30||250||125|||10000 A @ 125 Vdc||2.5||110||1096.7|
1. Interrupting ratings measured at 70% ~ 80% power factor on AC, (20 A and 30 A, 90% - 100% ower factor on AC).
2. Typical resistance measured at <10% of rated current at +25 °C
3. Typical voltage drop measured at +25 °C and rated current
4. Typical melting: (< 10 A, I[2] t measured at 10 x rated current), (> 12 A, I[2] t measured at interrupting rating and rated voltage)
2
www.eaton.com/electronics
Technical Data 2002 Effective November 2023
MDA 1/4” x 1-1/4” time delay ceramic fuse
## **Dimensions- mm**
Drawing not to scale
|**Cartridge**||
|---|---|
|**Dimensions**|**Size**|
|A|31.75 ± 0.79|
|B|6.35 ± 0.1|
|G|4.8 ref for 10 A and below
6.48 ref for above 10 A|
|**Axial lead**||
|**Dimensions**|**Size**|
|C|32.82 ± 0.79|
|D|38.1mm ref|
|E|6.76 ref|
|F|0.81 ± 0.05 for 15 A and below
1.02 ± 0.05 for 20 A and above|
## **General specifications**
Operating temperature: -55 °C to +125 °C with proper derating factor applied.
Mechanical shock test 1/4 A to 10 A: MIL-STD 202 method 213. Condition C Mechanical shock test 12 A to 30 A: MIL-STD 202G method 213. Condition J Vibration test 1/4 A to 30 A: MIL-STD-202 method 204, test condition C
## **Packaging information**
|**Packaging prefix**|**Description**|
|---|---|
|Blank|MDA-XXX-R: 5 pieces in tin tray.|
||MDA-V-XXX-R, MDA-BV-XXX-R: 4 pieces in tin tray.|
|BK-|MDA-XXX-R, MDA-V-XXX-R, MDP-BV-XXX-R: 100 pieces in a box.|
|TR-|MDA-V-XXX-R: 500 pieces on reel.|
3
www.eaton.com/electronics
MDA 1/4” x 1-1/4” time delay ceramic fuse
Technical Data 2002 Effective November 2023
## **Temperature derating curve**
**==> picture [269 x 170] intentionally omitted <==**
**----- Start of picture text -----**
120%
110%
100%
90%
80%
70%
60%
-80 -60 -40 -20 0 20 40 60 80 100 120 140
Temperature (°C)
Derating factor
**----- End of picture text -----**
## **Current vs. time curve**
## **Current vs. time curve**
**==> picture [503 x 269] intentionally omitted <==**
**----- Start of picture text -----**
1.00E+03
1.00E+05
1/4 A 12A
1.00E+04
1/2A
1.00E+02
1.00E+03
3/4A 15A
1.00E+02 VORA _ 1A FEEAE
1.00E+01
1.00E+01 1-1/2A 20A
2A
1.00E+00
1.00E+00
2-1/2A 25A
1.00E-01
3A
1.00E-02 1.00E-01
4A 30A
1.00E-03 5A
1.00E-04 6A 1.00E-02
7A
1.00E-05
8A 1.00E-03
1.00E-06
10A
1.00E-07 TIN X FE
0.1 1 UE 10 AI 100 S| 1000 1.00E-04 Sarene
Current (A) 1 PT TT TIT 10 FETT 100 EY 1000
Current (A)
Time (seconds)
Time (seconds)
**----- End of picture text -----**
4
www.eaton.com/electronics
Technical Data 2002 Effective November 2023
MDA 1/4” x 1-1/4” time delay ceramic fuse
## **I2t vs. current curve**
**==> picture [240 x 279] intentionally omitted <==**
**----- Start of picture text -----**
1.00E+07
1/4 A
1.00E+06 1/2A
3/4A
1.00E+05 TAME
1A
-
I
1.00E+04 1-1/2A
2A
1.00E+03 aiiWAIt Nail qa _
2-1/2A
3A
1.00E+02 Ni) SSS Setter
4A
1.00E+01 5A
6A
1.00E+00
1.00E-01 NC| Te ~ 7A8A
10A
1.00E-02 Hn Pea a | ~
0.1 1 10 100 1000
Current (A)
t (A2s)I2
**----- End of picture text -----**
**I2t vs. time curve**
**==> picture [245 x 285] intentionally omitted <==**
**----- Start of picture text -----**
1.00E+07
1/4 A
1/2A
1.00E+06
3/4A
1.00E+05 il 1 | l Yj - 1A
1-1/2A
1.00E+04
2A
2-1/2A
1.00E+03 iil | il hf;WU) _
fyfi/ | - 3A
4A
1.00E+02 7)i) _
5A
1.00E+01 c—/ lil - 6A
7A
1.00E+00 8A
10A
1.00E-01 mieae mi al It | |i -7
0.000001 0.001 1 1000 1000000
Time (seconds)
t (A2s)I2
**----- End of picture text -----**
## **I2t vs current curve**
**==> picture [214 x 276] intentionally omitted <==**
**----- Start of picture text -----**
1.00E+06
12A
peerLT ETITTP
15A
1.00E+05
I -
cmean
20A
SaCoNeerr _
1.00E+04
et oi 25A
30A
1.00E+03
|
1.00E+02 eTCMTSTAIToe oe
1 10 LI 100 Pe 1000
Current (A)
s)t (A22I
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**I2t vs time curve**
**==> picture [222 x 284] intentionally omitted <==**
**----- Start of picture text -----**
1.00E+06
12A
15A
1.00E+05 aa a a mm A
20A
25A
1.00E+04 SEVA _
Ea A
30A
PH HH
i AM Bea Jl
1.00E+03
mua a A
1.00E+02 aIIT
0.0001 0.001 0.01 0.1 1 10 100 1000
Time (seconds)
s)t (A22I
**----- End of picture text -----**
5
www.eaton.com/electronics
Technical Data 2002 Effective November 2023
MDA 1/4” x 1-1/4” time delay ceramic fuse
## **Wave solder profile--(axial lead version only)**
**==> picture [263 x 201] intentionally omitted <==**
**----- Start of picture text -----**
tp
Tp
First Wave Second Wave
Tsmax
Tstyp
Tsmin
Preheat area Cool down area
Time —_—————_—>
Temperature
**----- End of picture text -----**
## **Reference EN 61760-1:2006**
|**Profile feature**|||**Standard SnPb solder**||**Lead (Pb) free solder**|
|---|---|---|---|---|---|
|Preheat • Temperature min. (Tsmin)|Preheat • Temperature min. (Tsmin)||100 °C||100 °C|
||• Temperature typ. (Tstyp)||120 °C||120 °C|
||• Temperature max. (Tsmax)||130 °C||130 °C|
||• Time (Tsminto Tsmax) (ts)||70 seconds||70 seconds|
|D preheat tomax Temperature|||150 °C max.||150 °C max.|
|Peak temperature (TP)*|||235 °C – 260 °C||250 °C – 260 °C|
|Time at peak temperature (tp)|||10 seconds max
5 seconds max each wave||10 seconds max
5 seconds max each wave|
|Ramp-down rate|||~ 2 K/s min||~ 2 K/s min|
||||~3.5 K/s typ||~3.5 K/s typ|
||||~5 K/s max||~5 K/s max|
|Time 25 °C to 25 °C|||4 minutes||4 minutes|
## **Manual solder**
+350 °C (4-5 seconds by soldering iron), generally manual/hand soldering is not recommended
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 © 2023 Eaton All Rights Reserved Printed in USA Publication No. 2002 PCN23025 November 2023
Eaton is a registered trademark. All other trademarks are property of their respective owners.
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## Links
- [View this product on Novapart](https://novapart.co/products/BK/MDA-25-R/industrial-and-power-fuses)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/eaton-partner-stock/bk-mda-25-r/industrialpower-fuses/dp/4778620)
---
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