# Fuse, Surface Mount, 1.25 A, Fast Acting, 250 V, 10.3mm x 2.8mm, TCP

![Product image](https://novapart.co/image/farnell:2929391RL/)

**URL**: https://novapart.co/products/TR2-TCP1-25-R/fuse-surface-mount-125-a-fast-acting-250-v-103mm-x
**SKU**: TR2-TCP1-25-R
**Manufacturer**: EATON BUSSMANN
**Category**: Circuit Protection || Fuses & Fuse Accessories || Fuses || SMD Fuses
**Price**: €0.5920
**Stock**: 1000+
**Lead Time**: 99 days (indicative)

## Description

Fuse Current:1.25A; Product Range:TCP Series; Voltage Rating VAC:600V; Voltage Rating V DC:-; Blow Characteristic:-; Fuse Case Style:SMD; Breaking Capacity Current AC:60A; Breaking Capacity Curr

## Specifications

| Parameter | Value |
|---|---|
| Svhc | To Be Advised |
| Fuse Current | 1.25A |
| Product Range | TCP |
| Fuse Case Style | 10.3mm x 2.8mm |
| Voltage Rating Vac | 250V |
| Voltage Rating Vdc | - |
| Blow Characteristic | Fast Acting |
| Breaking Capacity Current Ac | 60A |
| Breaking Capacity Current Dc | - |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2929391RL/)

Effective December 2017 Supersedes January 2007 

## Technical Data **2609** 

## TCP1.25, TCP500 & TCP2 Telecom circuit protector 

## **Environmental data** 

- Life Test: MIL-STD-202, Method 108A, Test Condition D 

- Load Humidity: MIL-STD-202, Method 103B 

- Moisture Resistance: MIL-STD-202, Method 106E 

- Thermal Shock: MIL-STD-202, Method 107D, air-to-air 

- • Case Resistance: EIA/IS-722 

- Resistance to Dissolution of Metallization: ANSI J-STD-002, Test D 

- Mechanical Shock: MIL-STD-202, Method 213B, Test Condition A 

## **TCP1.25** 

## **Product features** 

- The first and most reliable surface mount telecom circuit protector designed to protect against power cross faults and comply with all surge requirements. 

- Allows compliance with telecom regulatory standards including Bellcore GR 1089, UL 1950/60950, and FCC part 68. Application circuit testing is recommended. 

- Eliminates the need for a current limiting resistor. 

- Protects against overcurrent conditions found in telecom Subscriber Line Interface Cards (SLICs), xDSL Modem Applications, Set-Top Boxes, and Consumer Premises Equipment (CPE). 

- TCP1.25-R tested and confirmed compatible with STMicroelectronics Trisil™ Transient Surge Arrestor (listed below) 

|**STMicroelectronics Trisil**|**STMicroelectronics Trisil™P/N’s**|
|---|---|
|SMP100LC-XXX|SMP100MC-XXX|



- High Frequency Vibration: MIL-STD-202, Method 204D, Test Condition D 

- Resistance to Solvents: MIL-STD-202, Method 215A 

## **Agency information** 

- UL Recognition Card: JDYX2/E19180 

- CSA Component Certification Record and Class No.: 053787C000, 1422 30 

## **Ordering code** 

- Specify packaging, product and option code (i.e., TR2-TCP1-25-R) 

## **Soldering method** 

- Wave Immersion: 260°C, 10 sec max. 

- Infrared: 260°C, 30 sec max. 

|**ELECTRICAL CHARACTERISTICS**|**ELECTRICAL CHARACTERISTICS**|
|---|---|
|**% of Amp Rating**|**Opening Time**|
|**of Amp Rating**<br>100%|**Opening Time**<br>4 Hours Minimum|
|250%|1 Second Minimum|
|250%|4-10 Seconds Typical|
|250%*|10 Seconds Typical<br>120 Seconds Maximum|
|300%|10 Seconds Maximum|



- If the device does not open at 250% within 120 seconds, increase current to 300% of amp rating. Device must open in 10 seconds max. 

**Dimensions**[mm] ⁄(inches) 

## **Land Pattern** 

**==> picture [112 x 76] intentionally omitted <==**

**----- Start of picture text -----**<br>
5.2 3.7<br>(0.204) (0.145)<br>4.0<br>(0.157)<br>- — (0.496) ——4 12.6 i<br>**----- End of picture text -----**<br>


Technical Data 2609 Effective December 2017 

## **LIGHTNING SURGE SPECIFICATIONS** 

|**LIGHTNING SURGE SPECIFICATIONS**|**LIGHTNING SURGE SPECIFICATIONS**|**LIGHTNING SURGE SPECIFICATIONS**|**LIGHTNING SURGE SPECIFICATIONS**|**LIGHTNING SURGE SPECIFICATIONS**|**LIGHTNING SURGE SPECIFICATIONS**|**LIGHTNING SURGE SPECIFICATIONS**|**LIGHTNING SURGE SPECIFICATIONS**|**LIGHTNING SURGE SPECIFICATIONS**|**LIGHTNING SURGE SPECIFICATIONS**|**LIGHTNING SURGE SPECIFICATIONS**|**LIGHTNING SURGE SPECIFICATIONS**|**LIGHTNING SURGE SPECIFICATIONS**|**LIGHTNING SURGE SPECIFICATIONS**|**LIGHTNING SURGE SPECIFICATIONS**|**LIGHTNING SURGE SPECIFICATIONS**|**LIGHTNING SURGE SPECIFICATIONS**|**LIGHTNING SURGE SPECIFICATIONS**|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|**Surge Specification**||**Surge**|||**Repetitions**|||**Waveform**<br>**(µSec.)**|||**Current (A)**||**Voltage (V)**||**Performance**<br>**Requirement**|||
|FCC 47 Part 68||Longitudinal Type A|||2|||10x160|||100 per fuse||1500||Fuse cannot open|||
|FCC 47 Part 68||Metallic Type B|||2|||10x560|||100||800||Fuse cannot open|||
|Bellcore GR-1089-CORE||First Level Lightning|||50|||10x1000|||100||1000||Fuse cannot open|||
|Bellcore GR-1089-CORE||First Level Lightning|||50|||2x10|||500||2500||Fuse cannot open|||
|Surge out|||||1|||10x160|||160||N/A||Fuse cannot open|||
|Surge out|||||1|||10x560|||115||N/A||Fuse cannot open|||
|||||||||||||||||||
|**ELECTRICAL AND POWER CROSS SPECIFICATIONS**||||||||||||||||||
|**Part**<br>**Number**|**Voltage**<br>**Rating**<br>**AC**||**Interrupting**<br>**Rating***<br>**250VAC    600VAC**|||**DC Cold**<br>**Resistance** (ohms)**<br>**min.**<br>**typ.**<br>**max.**||||**Typical**<br>**Melting**<br>**I2t†**||**Maximum**<br>**Total**<br>**Clearing**||**Typical**<br>**Voltage**<br>**Drop‡**||**Alpha Code**<br>**Marking**<br>**1st Code   2nd Code**||
|**TCP1.25-R**|250 V||50 A|60 A||0.070|0.090<br>||0.110<br>|22.2 A2s||100 A2s||150mV||J|R***|



- AC Interrupting Rating (Measured at designated voltage, 100% power factor) 

- ** DC Cold Resistance (Measured at 10% of rated current) 

- *** On RoHS Compliant Version (-R option) 

- Typical Melting I[2] t (Measured with a battery bank at 60V DC, 10x-rated current, time constant of calibrated circuit less than 50 microseconds) 

- Typical Voltage Drop (Measured at rated current after temperature stabilizes) 

## **Special Investigation** 

The TCP1.25 -R is designed to provide overcurrent protection for telecom SLIC, xDSL modem, and set-top box applications regardless of the overvoltage device selected. To provide an easier specification experience, Cooper Bussmann and STMicroelectronics have joined together to provide a special test report confirming the coordination between the TCP1.25A and SMP100MC-270 devices. 

## **TEST CIRCUITS** 

**==> picture [353 x 186] intentionally omitted <==**

**----- Start of picture text -----**<br>
Fuse TCP 1.25 -R<br>Tip L Tip S<br>Fuse TCP 1.25 -R<br>L1 T SMP100MC-270*<br>1<br>SMP100MC-270* Gnd Gnd<br>L2 T2 SMP100MC-270*<br>Fuse TCP 1.25 -R<br>Ring L Ring S<br>Test Circuit 1 Test Circuit 2<br>**----- End of picture text -----**<br>


*** Note:** or other STMicroelectronics Trisil™ part number listed in table on page 1 

## **TEST PROGRAM** 

|**TEST PROGRAM**|**TEST PROGRAM**|**TEST PROGRAM**|
|---|---|---|
|**Test**<br>**Standard**<br>**Results**<br>**Lightning Surge Tests**<br>10/1000 µs+ and–1kV 100A(25 pulses ofeachpolarity)<br>Bellcore GR-1089<br>Passed<br>2/10µs+and–2.5 and 5kV500A(10 pulses ofeachpolarity)<br>Bellcore GR-1089<br>Passed<br>10/560µs+and–800V 100A(1pulse ofeachpolarity)<br>FCCPart 68<br>Passed<br>10/160µs+and–1.5kV 200A(1pulse ofeachpolarity)<br>FCCPart 68<br>Passed<br>10/700µs+and–1.5kV37.5A(5 pulses ofeachpolarity)<br>K20<br>Passed<br>**Electrical and Power Cross Tests**<br>600V3A 1.1s (frstle<br>vel)<br>Bellcore GR-1089<br>Passed<br>277V 25A(secondlevel)<br>Bellcore GR-1089<br>Passed<br>600V60A5s(secondlevel)<br>Bellcore GR-1089<br>Passed<br>600V 40A 1.5s<br>UL60950<br>Passed<br>600V 2.2A30min<br>UL60950<br>Passed<br>600V 1A0.2s (Acriteria)<br>K20<br>Passed<br>230V 1.44A/0.77A/0.38A 15min(Acr<br>iteria)<br>K20<br>Passed<br>230V 23A 15min (A cr<br>iteria)<br>K20<br>Passed|||
||||
||Bellcore GR-1089|Passed|
||Bellcore GR-1089|Passed|
||FCCPart 68|Passed|
||FCCPart 68|Passed|
||K20|Passed|
||||
||Bellcore GR-1089|Passed|
||Bellcore GR-1089|Passed|
||Bellcore GR-1089|Passed|
||UL60950|Passed|
||UL60950|Passed|
||K20|Passed|
||K20|Passed|
||K20|Passed|



For additional information on STMicroelectronic’s Trisil™Product line, please see www.st.com/protection 

www.eaton.com/electronics 

2 

TCP1.25, TCP500 & TCP2 Telecom circuit protector 

Technical Data 2609 Effective December 2017 

## **TCP500 & TCP2** 

## **Product features** 

- Designed to protect Consumer Premises Equipment from harmful overcurrents. 

- Allows compliance with telecom regulatory standards including UL 1950/60950, and FCC part 68. Application circuit testing is recommended. 

- Eliminates the need for a current limiting resistor. 

## **Agency information** 

- UL Recognition Card: JDYX2/E19180 

- CSA Component Certification Record and Class No.: 053787C000, 1422 30 

## **Ordering** 

- Specify packaging, product and option code - 

- (i.e., TR2 TCP500-R) 

## **Soldering method** 

- Wave Immersion: 260°C, 10 sec max. 

## **Environmental data** 

   - Infrared: 260°C, 30 sec max. 

- Life Test: MIL-STD-202, Method 108A, Test Condition D 

- Load Humidity: MIL-STD-202, Method 103B 

- Moisture Resistance: MIL-STD-202, Method 106E 

- Thermal Shock: MIL-STD-202, Method 107D, air-toair 

- Case Resistance: EIA/IS-722 

- Resistance to Dissolution of Metallization: ANSI J- STD-002, Test D 

- Mechanical Shock: MIL-STD-202, Method 213B, Test Condition A 

|**ELECTRICAL CHARACTERISTICS**|**ELECTRICAL CHARACTERISTICS**|
|---|---|
|**% of Amp Rating**|**Opening Time**|
|**of Amp Rating**<br>100%|**Opening Time**<br>4 Hours Minimum|
|250%|1 Second Minimum|
|250%|4-10 Seconds Typical|
|250%*|10 Seconds Typical<br>120 Seconds Maximum|
|300%|10 Seconds Maximum|



   - If the device does not open at 250% within 120 seconds, increase current to 300% of amp rating. Device must open in 10 seconds max. 

- High Frequency Vibration: MIL-STD-202, Method 204D, Test Condition D 

- Resistance to Solvents: MIL-STD-202, Method 215A 

## **Dimensions**[mm] ⁄(inches) 

## **Land Pattern** 

**==> picture [78 x 76] intentionally omitted <==**

**----- Start of picture text -----**<br>
—_— 5.2 —_— 3.7<br>(0.204) (0.145)<br>4.0<br>—<br>(0.157)<br>12.6<br>(0.496)<br>**----- End of picture text -----**<br>


## **LIGHTNING SURGE SPECIFICATIONS** 

|**LIGHTNING SURGE SPECIFICATIONS**|**LIGHTNING SURGE SPECIFICATIONS**|**LIGHTNING SURGE SPECIFICATIONS**|**LIGHTNING SURGE SPECIFICATIONS**|**LIGHTNING SURGE SPECIFICATIONS**|**LIGHTNING SURGE SPECIFICATIONS**|**LIGHTNING SURGE SPECIFICATIONS**|
|---|---|---|---|---|---|---|
|**Surge Specification**|**Surge**|**Repetitions**|**Waveform**<br>**(µSec.)**|**Current (A)**|**Voltage (V)**|**Performance**<br>**Requirement**|
|**TCP 500mA tested**|||||||
|FCC 47 Part 68|Longitudinal Type B|2|5x320|37.5|N/A|Fuse cannot open|
|FCC 47 Part 68|Metallic Type A|2|10x560|100|800|Fuse must open safely|
|Surge out||25|10x160|65|N/A|Fuse cannot open|
|**TCP2A tested**|||||||
|FCC 47 Part 68|Longitudinal Type A|2|10x160|100 per fuse|1500|Fuse cannot open|
|FCC 47 Part 68|Metallic Type B|2|10x560|100|800|Fuse cannot open|
|Bellcore GR-1089-CORE|First Level Lightning|50|10x1000|100|1000|Fuse cannot open|
|Bellcore GR-1089-CORE|First Level Lightning|50|2x10|500|2500|Fuse cannot open|
|Surge out||1|10x160|160|N/A|Fuse cannot open|
|Surge out||1|10x560|115|N/A|Fuse cannot open|



## **ELECTRICAL AND POWER CROSS SPECIFICATIONS** 

|FCC 47 Part 68<br>Metallic Type B<br>2<br>10x560<br>100<br>800<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>10x1000<br>100<br>1000<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>2x10<br>500<br>2500<br>Fuse cannot open<br>Surge out<br>1<br>10x160<br>160<br>N/A<br>Fuse cannot open<br>Surge out<br>1<br>10x560<br>115<br>N/A<br>Fuse cannot open|FCC 47 Part 68<br>Metallic Type B<br>2<br>10x560<br>100<br>800<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>10x1000<br>100<br>1000<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>2x10<br>500<br>2500<br>Fuse cannot open<br>Surge out<br>1<br>10x160<br>160<br>N/A<br>Fuse cannot open<br>Surge out<br>1<br>10x560<br>115<br>N/A<br>Fuse cannot open|FCC 47 Part 68<br>Metallic Type B<br>2<br>10x560<br>100<br>800<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>10x1000<br>100<br>1000<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>2x10<br>500<br>2500<br>Fuse cannot open<br>Surge out<br>1<br>10x160<br>160<br>N/A<br>Fuse cannot open<br>Surge out<br>1<br>10x560<br>115<br>N/A<br>Fuse cannot open|FCC 47 Part 68<br>Metallic Type B<br>2<br>10x560<br>100<br>800<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>10x1000<br>100<br>1000<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>2x10<br>500<br>2500<br>Fuse cannot open<br>Surge out<br>1<br>10x160<br>160<br>N/A<br>Fuse cannot open<br>Surge out<br>1<br>10x560<br>115<br>N/A<br>Fuse cannot open|FCC 47 Part 68<br>Metallic Type B<br>2<br>10x560<br>100<br>800<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>10x1000<br>100<br>1000<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>2x10<br>500<br>2500<br>Fuse cannot open<br>Surge out<br>1<br>10x160<br>160<br>N/A<br>Fuse cannot open<br>Surge out<br>1<br>10x560<br>115<br>N/A<br>Fuse cannot open|FCC 47 Part 68<br>Metallic Type B<br>2<br>10x560<br>100<br>800<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>10x1000<br>100<br>1000<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>2x10<br>500<br>2500<br>Fuse cannot open<br>Surge out<br>1<br>10x160<br>160<br>N/A<br>Fuse cannot open<br>Surge out<br>1<br>10x560<br>115<br>N/A<br>Fuse cannot open|FCC 47 Part 68<br>Metallic Type B<br>2<br>10x560<br>100<br>800<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>10x1000<br>100<br>1000<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>2x10<br>500<br>2500<br>Fuse cannot open<br>Surge out<br>1<br>10x160<br>160<br>N/A<br>Fuse cannot open<br>Surge out<br>1<br>10x560<br>115<br>N/A<br>Fuse cannot open|FCC 47 Part 68<br>Metallic Type B<br>2<br>10x560<br>100<br>800<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>10x1000<br>100<br>1000<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>2x10<br>500<br>2500<br>Fuse cannot open<br>Surge out<br>1<br>10x160<br>160<br>N/A<br>Fuse cannot open<br>Surge out<br>1<br>10x560<br>115<br>N/A<br>Fuse cannot open|FCC 47 Part 68<br>Metallic Type B<br>2<br>10x560<br>100<br>800<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>10x1000<br>100<br>1000<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>2x10<br>500<br>2500<br>Fuse cannot open<br>Surge out<br>1<br>10x160<br>160<br>N/A<br>Fuse cannot open<br>Surge out<br>1<br>10x560<br>115<br>N/A<br>Fuse cannot open|FCC 47 Part 68<br>Metallic Type B<br>2<br>10x560<br>100<br>800<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>10x1000<br>100<br>1000<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>2x10<br>500<br>2500<br>Fuse cannot open<br>Surge out<br>1<br>10x160<br>160<br>N/A<br>Fuse cannot open<br>Surge out<br>1<br>10x560<br>115<br>N/A<br>Fuse cannot open|FCC 47 Part 68<br>Metallic Type B<br>2<br>10x560<br>100<br>800<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>10x1000<br>100<br>1000<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>2x10<br>500<br>2500<br>Fuse cannot open<br>Surge out<br>1<br>10x160<br>160<br>N/A<br>Fuse cannot open<br>Surge out<br>1<br>10x560<br>115<br>N/A<br>Fuse cannot open|FCC 47 Part 68<br>Metallic Type B<br>2<br>10x560<br>100<br>800<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>10x1000<br>100<br>1000<br>Fuse cannot open<br>Bellcore GR-1089-CORE<br>First Level Lightning<br>50<br>2x10<br>500<br>2500<br>Fuse cannot open<br>Surge out<br>1<br>10x160<br>160<br>N/A<br>Fuse cannot open<br>Surge out<br>1<br>10x560<br>115<br>N/A<br>Fuse cannot open|
|---|---|---|---|---|---|---|---|---|---|---|---|
|**ELECTRICAL AND POWER CROSS SPECIFICATIONS**||||||||||||
|**Part**<br>**Number**|**Voltage**<br>**Rating**<br>**AC**|**Interrupting**<br>**Rating***<br>**250VAC    600VAC**||**DC Cold**<br>**Resistance** (ohms)**<br>**min.**<br>**typ.**<br>**max.**|||**Typical**<br>**Melting**<br>**I2t†**|**Maximum**<br>**Total**<br>**Clearing**|**Typical**<br>**Voltage**<br>**Drop‡**|**Alpha Code**<br>**Marking**<br>**1st Code   2nd Code**||
|**TCP500-R**|250 V|50 A         40 A|50 A         40 A|0.420   0.530   0.640|0.420   0.530   0.640|0.420   0.530   0.640|1.3 A2s|100 A2s|471mV|F|R***|
|**TCP2-R**|250 V|50 A         60 A|50 A         60 A|0.050|0.075<br>0.050|0.100<br>0.075|30 A2s|100 A2s|205mV|N||



- AC Interrupting Rating (Measured at designated voltage, 100% power factor) 

- ** DC Cold Resistance (Measured at 10% of rated current) 

- *** On RoHS Compliant Version (-R option) 

- Typical Melting I[2] t (Measured with a battery bank at 60V DC, 10x-rated current, time constant of calibrated circuit less than 50 microseconds) 

- Typical Voltage Drop (Measured at rated current after temperature stabilizes ) 

3 

www.eaton.com/electronics 

TCP1.25, TCP500 & TCP2 Telecom circuit protector 

Technical Data 2609 Effective December 2017 

## **TIME CURRENT CURVE** 

**==> picture [356 x 438] intentionally omitted <==**

## **PACKAGING CODE** 

**Packaging Code Description TR2** 2,500 pieces of fuses on 24mm tape-and-reel on 13 inch (330mm) reel per EIA Standard 481, 8mm pitch 

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 www.eaton.com/electronics 

© 2017 Eaton All Rights Reserved Printed in USA Publication No. 2609 December 2017 

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



## Links

- [View this product on Novapart](https://novapart.co/products/TR2-TCP1-25-R/fuse-surface-mount-125-a-fast-acting-250-v-103mm-x)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/eaton-bussmann/tr2-tcp1-25-r/fuse-smd-1-25a-600vac/dp/2929391RL)
---

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