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PTC Resettable Fuses

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FRX065-60F
Fuzetec Technology
1.3A 310mΩ 60V 720mΩ 40A 650mA Plugins
Quantity: 16000
Ship Date: 5-7 working days
1200+ $0.0751
12000+ $0.0729
- +
x $0.0751
Ext. Price: $90.12
MOQ: 1200
Mult: 300
SPQ: 300
FHT050-30F
Fuzetec Technology
900mA 480mΩ 30V 1.1Ω 40A 500mA Plugins
Quantity: 2845
Ship Date: 10-15 working days
1+ $0.2631
- +
x $0.2631
Ext. Price: $50.25
MOQ: 191
Mult: 1
SPQ: 500
FSMD010-0603-R
Fuzetec Technology
250mA 15V 40A 100mA 0603 SMD mount
Quantity: 5205
Ship Date: 10-15 working days
1+ $0.0613
- +
x $0.0613
Ext. Price: $50.02
MOQ: 816
Mult: 1
SPQ: 4000
FSMD010-1206-R
Fuzetec Technology
1s 250mA 1.6Ω 60V 15Ω 100A 100mA 1206 SMD mount 3.25mm(length)*850μm(height)
Quantity: 39000
Ship Date: 5-7 working days
3000+ $0.0301
30000+ $0.0292
- +
x $0.0301
Ext. Price: $90.30
MOQ: 3000
Mult: 3000
SPQ: 3000
FRG300-16F
Fuzetec Technology
2s 5.1A 34mΩ 16V 105mΩ 100A 3A Plugins Through hole mounting 7.1mm*3mm*11mm
Quantity: 386
Ship Date: 10-15 working days
1+ $0.1686
- +
x $0.1686
Ext. Price: $50.07
MOQ: 297
Mult: 1
SPQ: 500
MF-R040
BOURNS
Bourns resettable fuse, 60V, 800mA, hold_current0.4A
Quantity: 5500
Ship Date: 6-14 working days
1000+ $0.171
3000+ $0.1676
12000+ $0.1642
- +
x $0.171
Ext. Price: $239.40
MOQ: 1400
Mult: 50
SPQ: 1
PRG15BC680MM1RC
Murata Manufacturing
69mA 600mA 26mA 68Ω SMD mount,glue mount 1mm*500μm*500μm
Quantity: 9565
Ship Date: 6-13 working days
1+ $0.184
10+ $0.1725
25+ $0.1507
100+ $0.1426
500+ $0.1221
1000+ $0.1134
5000+ $0.1026
10000+ $0.0875
- +
x $0.184
Ext. Price: $1.28
MOQ: 7
Mult: 1
SPQ: 1
PRG21AR220MS5RA
Murata Manufacturing
205mA 1.71A 80mA 22Ω 0805 SMD mount,glue mount 2mm*1.25mm*900μm
Quantity: 1465
Ship Date: 6-13 working days
1+ $1.1385
10+ $0.8648
25+ $0.7452
50+ $0.6886
100+ $0.5863
500+ $0.5
1000+ $0.4417
4000+ $0.3633
- +
x $1.1385
Ext. Price: $2.27
MOQ: 2
Mult: 1
SPQ: 1
ICL2210008-01
Honeywell
10Ω 7Ω~50Ω Through hole mounting 6mm(width)
Quantity: 1090
Ship Date: 7-9 working days
20+ $6.1664
45+ $5.8788
90+ $5.7093
200+ $5.6068
1000+ $5.494
- +
x $6.1664
Ext. Price: $123.32
MOQ: 20
Mult: 1
SPQ: 1
R60-185
Sea & Land Electronic
3.7A 60mΩ 60V 190mΩ 40A 1.85A Plugins
Quantity: 10000
Ship Date: 5-7 working days
24+
500+ $0.0806
1500+ $0.0787
5000+ $0.0773
- +
x $0.0806
Ext. Price: $40.29
MOQ: 500
Mult: 500
SPQ: 500
30R160UU
Littelfuse
8s 3.2A 30mΩ 30V 110mΩ 40A 1.6A Plugins Through hole mounting 8.9mm*3mm*15.2mm
Quantity: 4213
Ship Date: 10-15 working days
1+ $0.622
- +
x $0.622
Ext. Price: $50.38
MOQ: 81
Mult: 1
SPQ: 500
RXEF185K
Littelfuse
12.6s 3.7A 80mΩ 72V 190mΩ 40A 1.85A Plugins Through hole mounting 23mm(height)
Quantity: 294
Ship Date: 6-13 working days
1+ $0.6555
10+ $0.5957
50+ $0.5359
100+ $0.4598
250+ $0.4244
500+ $0.3542
1000+ $0.3208
2500+ $0.3121
- +
x $0.6555
Ext. Price: $1.31
MOQ: 2
Mult: 1
SPQ: 1
RUEF110S-1
Littelfuse
2.2A 30V 100A 1.1A Through hole mounting,glue mount 7.4mm(length)*14.2mm(height)
Quantity: 857
Ship Date: 6-13 working days
1+ $0.69
10+ $0.5267
100+ $0.3564
250+ $0.3454
500+ $0.2873
- +
x $0.69
Ext. Price: $1.38
MOQ: 2
Mult: 1
SPQ: 1
VTP210GF
Littelfuse
5s 4.7A 18mΩ 16V 60mΩ 100A 2.1A 23.1mm*5.3mm*800μm
Quantity: 12342
Ship Date: 6-13 working days
1+ $1.0465
5+ $0.8717
10+ $0.7832
50+ $0.638
100+ $0.5885
250+ $0.5195
500+ $0.4795
1000+ $0.4417
3000+ $0.4221
- +
x $1.0465
Ext. Price: $2.09
MOQ: 2
Mult: 1
SPQ: 1
1210L550SLWR
Littelfuse
2s 11A 1mΩ 6V 11mΩ 50A 5.5A 1210 SMD mount 3.22mm*2.58mm*1.4mm
Quantity: 1905
Ship Date: 6-13 working days
1+ $2.3805
5+ $1.978
10+ $1.8285
50+ $1.452
100+ $1.3068
250+ $1.1772
500+ $1.0908
1000+ $0.9968
3000+ $0.9041
- +
x $2.3805
Ext. Price: $2.38
MOQ: 1
Mult: 1
SPQ: 1
SMD2920B500TF
YAGEO
5s 10A 5mΩ 12V 31mΩ 5A 2920 SMD mount 7.36mm*5.12mm*1.6mm
Quantity: 990
Ship Date: 6-13 working days
1+ $0.644
10+ $0.5911
50+ $0.4911
100+ $0.4334
250+ $0.3823
500+ $0.3532
1000+ $0.324
2000+ $0.2851
5000+ $0.2709
- +
x $0.644
Ext. Price: $1.28
MOQ: 2
Mult: 1
SPQ: 1
1210L600SLWR
Littelfuse
2s 12A 1mΩ 6V 10mΩ 50A 6A 1210 SMD mount 3.22mm*2.58mm*1.4mm
Quantity: 141
Ship Date: 6-13 working days
1+ $2.3805
5+ $1.978
10+ $1.8285
50+ $1.452
100+ $1.3068
250+ $1.1772
500+ $1.0908
1000+ $1.0638
- +
x $2.3805
Ext. Price: $2.38
MOQ: 1
Mult: 1
SPQ: 1
AHRL1100
Littelfuse
11.2s 22A 3.8mΩ 16V 6.3mΩ 100A 11A Plugins Through hole mounting 17.4mm*3.6mm*22.4mm
Quantity: 531
Ship Date: 6-13 working days
1+ $1.7825
5+ $1.4835
10+ $1.3685
50+ $1.0813
100+ $0.9796
250+ $0.9785
500+ $0.972
1000+ $0.8208
- +
x $1.7825
Ext. Price: $1.78
MOQ: 1
Mult: 1
SPQ: 1
0ZRN0200FF1E
BELDEN
Quantity: 1826
Ship Date: 6-13 working days
1+ $0.414
10+ $0.3784
50+ $0.3151
100+ $0.297
250+ $0.2882
- +
x $0.414
Ext. Price: $1.65
MOQ: 4
Mult: 1
SPQ: 1
A16-400
JDT FUSE
3.5s 8A 20mΩ 16V 80mΩ 40A 4A Plugins Through hole mounting
Quantity: 10000
In Stock
1000+ $0.0219
2000+ $0.0215
3000+ $0.021
- +
x $0.0219
Ext. Price: $21.90
MOQ: 1000
Mult: 1000
SPQ: 1000
A30-250
JDT FUSE
10.3s 5A 20mΩ 30V 100mΩ 40A 2.5A Plugins Through hole mounting
Quantity: 10000
In Stock
1000+ $0.0252
2000+ $0.0248
3000+ $0.0242
- +
x $0.0252
Ext. Price: $25.20
MOQ: 1000
Mult: 1000
SPQ: 1000
A72-375
JDT FUSE
24s 7.5A 30mΩ 72V 100mΩ 40A 3.75A Plugins Through hole mounting
Quantity: 5000
In Stock
500+ $0.0605
1000+ $0.0595
1500+ $0.058
- +
x $0.0605
Ext. Price: $30.25
MOQ: 500
Mult: 500
SPQ: 500
ASMD1210-010
JDT FUSE
600ms 500mA 800mΩ 30V 15Ω 100A 100mA 1210 121cm(length)
Quantity: 40000
In Stock
4000+ $0.0185
8000+ $0.0182
12000+ $0.0177
- +
x $0.0185
Ext. Price: $74.00
MOQ: 4000
Mult: 4000
SPQ: 4000
SMD1812-200C-6V
BNSTAR
Quantity: 30000
In Stock
200+ $0.0235
400+ $0.0231
600+ $0.0226
- +
x $0.0235
Ext. Price: $4.70
MOQ: 200
Mult: 200
SPQ: 1500
MF-RX250/72-0
BOURNS
Bourns resettable fuse, 72V, 5A, hold_current2.5A
Quantity: 1350
In Stock
23+
10+ $0.3852
300+ $0.3618
1000+ $0.3362
3000+ $0.3306
- +
x $0.3852
Ext. Price: $3.85
MOQ: 10
Mult: 1
SPQ: 500

PTC Resettable Fuses

PTC Resettable Fuses: Definition, Function, Applications, and Selection Criteria

Definition:
A PTC (Positive Temperature Coefficient) Resettable Fuse is an electronic component designed to protect electrical circuits from overcurrent conditions. Unlike traditional fuses that are destroyed when they interrupt a fault, PTC fuses can automatically reset and resume normal operation once the fault condition is removed and the component cools down.

Function:
The primary function of a PTC resettable fuse is to provide overcurrent protection. When an excessive current flows through the circuit, the PTC fuse heats up and its resistance increases dramatically, limiting the current flow. Once the fault is cleared and the temperature drops, the resistance decreases, and the fuse returns to its normal state, allowing the circuit to resume operation without the need for replacement.

Applications:
PTC fuses are widely used in various applications due to their self-resetting capability and reliability. Some common applications include:
1. Consumer electronics: Protecting devices like smartphones, laptops, and power supplies.
2. Industrial controls: Safeguarding motor drives, sensors, and control panels.
3. Automotive: Securing electric vehicle components such as battery management systems and charging circuits.
4. Telecommunications: Ensuring the integrity of communication equipment and networks.
5. Renewable energy: Protecting solar panels and wind turbines from electrical faults.

Selection Criteria:
When selecting a PTC resettable fuse, consider the following criteria:
1. Current Rating: Choose a fuse with a current rating that matches the normal operating current of the circuit.
2. Voltage Rating: Ensure the fuse can withstand the maximum voltage of the circuit.
3. Time-Current Characteristics: Select a fuse that provides the desired time-delay response to overcurrent conditions.
4. Reset Time: Consider the time it takes for the fuse to reset after a fault, which can be crucial for uninterrupted operation.
5. Environmental Conditions: Factor in temperature, humidity, and other environmental factors that may affect the fuse's performance.
6. Physical Size and Mounting: Ensure the fuse fits within the available space and can be mounted according to the circuit design.
7. Certifications and Standards: Verify that the fuse meets relevant safety and performance standards.

In summary, PTC resettable fuses offer a convenient and efficient solution for overcurrent protection in a variety of electronic and electrical systems, reducing the need for frequent replacements and minimizing downtime.
Please refer to the product rule book for details.