• 15P 120C AC Circuit PTC 100 Ohm 25% MZ21 PTC Thermal Protection
  • 15P 120C AC Circuit PTC 100 Ohm 25% MZ21 PTC Thermal Protection
  • 15P 120C AC Circuit PTC 100 Ohm 25% MZ21 PTC Thermal Protection
  • 15P 120C AC Circuit PTC 100 Ohm 25% MZ21 PTC Thermal Protection
15P 120C AC Circuit PTC 100 Ohm 25% MZ21 PTC Thermal Protection

15P 120C AC Circuit PTC 100 Ohm 25% MZ21 PTC Thermal Protection

Product Details:

Place of Origin: Dongguan,CN
Brand Name: AMPFORT
Certification: ROHS,REACH
Model Number: 15P(MZ21- P101RNN)

Payment & Shipping Terms:

Minimum Order Quantity: 1000 Pieces
Price: TBA
Packaging Details: Bulk,500pcs per bag
Delivery Time: 5-8 days
Payment Terms: T/T, Western Union
Supply Ability: 1,000,000 Pieces Per Month
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Detail Information

Product Name: MZ21 PTC Thermistor 15P 100 OHM 25% 120C Dia Max.: 15mm
Lead Spacing: 5mm Thickness: 7mm
Rated Resistance: 100Ω±25% Switch Temperature: 120℃
Break Down Voltage: 600 V Non-operating Current: 100 MA
Typical Trip Current: 200 MA Temperature Range: -10~+45℃
High Light:

15P PTC 100 Ohm 25%

,

120C AC circuit PTC 100 Ohm

,

MZ21 PTC Thermal Protection

Product Description

 
MZ21 PTC Thermistor 15P 100 OHM 25% 120C For Welding Machine Overcurrent Protection
 
I Description Of The MZ21 PTC Thermistor 15P 100 OHM 25% 120C
 
MZ21 Type Thermistor used for overcurrent protection in telecommunication and AC circuit.
15P 120C AC Circuit PTC 100 Ohm 25% MZ21 PTC Thermal Protection 0
 
 
II Overall Dimension Of The MZ21 PTC Thermistor 15P 100 OHM 25% 120C
 
15P 120C AC Circuit PTC 100 Ohm 25% MZ21 PTC Thermal Protection 1 

Part No

DMAX W±1.0 TMAX Φd±0.05
MZ21- P101RNN 15.0 5.0 7.0 0.8

 
 
III Characteristics Curve Of The MZ21 PTC Thermistor 15P 100 OHM 25% 120C
 
15P 120C AC Circuit PTC 100 Ohm 25% MZ21 PTC Thermal Protection 2 
 
IV Electrical Performance Of The MZ21 PTC Thermistor 15P 100 OHM 25% 120C
 

part no

rated

resistance

(25℃±1℃)

switch

temperature

(±7℃)

break down

voltage

Ac

non-operating current

(at 40℃)

typical trip current

Operating ambient temperature range

MZ21-P101RNN 100Ω±25% 120℃ 600 V 100 mA 200 mA -10~+45℃

 
 
V Working Principle Of The MZ21 PTC Thermistor 15P 100 OHM 25% 120C
 

Connect the PTC thermistor in series in the load circuit. When the circuit is in normal working condition,
the current through the PTC thermistor is less than the rated current. The PTC thermistor is in the normal
state and the resistance is small, which will not affect the normality of the protected circuit. jobs. When the
circuit fails, the current greatly exceeds the rated current (2 times of the normal working current), and the
PTC thermistor suddenly heats up, showing a high resistance state, so that the circuit is in a relatively "off"
state for protection purposes. When the fault is removed, the PTC thermistor automatically returns to a low
impedance state and the circuit resumes normal operation.
 
 
VI Application Of The MZ21 PTC Thermistor 15P 100 OHM 25% 120C
 

Inverter welding machine is more and more popular in the world since technoloy required for manufacturing,
however, good protection can assured inverter welding machine functioning well for long term. We can supply
all set of components for overcurrent protection / overvoltage protection. Below is lists we supplying our
customers for your ref:
 

Varistor

07D361K
10D471K 10D681K
14D330K 14D151K 14D221K 14D391K
20D820K 20D102K 20D121K 20D121K 20D391K 20D471K
25D431K 25D751K 25D681K 25D821K
32D431K 25D751K 32D681K 32D821K

PTC Thermistor 126A 15P 16P 16P5R0M265 08M12RM265 05M120-180 19P MZ72-18ROM MZ11-13N13-20 MZ12-16P2R1H140,MZ12-16P4R7H140,MZ11-16P5R0H265,MZ11-16P6R0H265,MZ11-16P7R0H265,MZ11-16P10RH265,MZ11-16P12RH265,MZ72-18RM
NTC Thermistor 2.5D-20 5D-20 8D-20 47D-15 2.5D-15 47D-20
Fuse

Glass fuse/Ceramic fuse 3.6x10mm/5x20mm/6.35x31.8mm/10x38mm STP/SFP/BTC/BFC/BMT/BMF/PTU/PFU
Micro Fuse MTS/MFS/NTS/NFS/TMS/FMS 8x4x8mm
Surface Mount Fuse 6125 2410 SET/SEF/SFE/STE/SST/SSF

15P 120C AC Circuit PTC 100 Ohm 25% MZ21 PTC Thermal Protection 3
15P 120C AC Circuit PTC 100 Ohm 25% MZ21 PTC Thermal Protection 4
15P 120C AC Circuit PTC 100 Ohm 25% MZ21 PTC Thermal Protection 5
15P 120C AC Circuit PTC 100 Ohm 25% MZ21 PTC Thermal Protection 6
 
 
VII Manufacturing Process Of The MZ21 PTC Thermistor 15P 100 OHM 25% 120C
 

Weighing ⇒ Ball Milling ⇒ Presintering ⇒ Granulation ⇒ Forming ⇒ Sintering ⇒ Add electrode ⇒ Resistance
sorting ⇒ Pressure line ⇒ Package insulation ⇒ Assembly ⇒ Withstand voltage detection ⇒ Resistance
Inspection ⇒ Final inspection ⇒ Packaging ⇒ Put into warehouse .
 
 
VIII Other part number Of The MZ21 PTC Thermistor 15P 100 OHM 25% 120C


MZ11-10N12RH250,MZ11-10N18RH265,MZ11-10N22RH265,MZ11-10P15RH265,MZ11-10P39RH265
SPMZB-9H25RH265,SPMZB-9Z1R0H15,SPMZB-9Z1R2H15,SPMZB-9Z1R8H15
WMZ12A-10RM180,WMZ12A-10RM220,WMZ12A-12RM090,WMZ12A-12RM170,WMZ12A-15RM070,
WMZ12A-15RM130,WMZ12A-15RM145,WMZ12A-15RM160,WMZ12A-15RM200,WMZ12A-18RM150,
WMZ12A-20RM070,MZ212A-20RM085,MZ23-20RM100,MZ25-20RM145,WMZ12A-22RM100,
WMZ12A-22RM120,WMZ12A-22RM130,WMZ12A-22RM180,MZ25-25RM055,MZ25-25RM060,
WMZ12A-25RM065,MZ25-25RM085,MZ25-25RM100,MZ25-25RM120,WMZ12A-33RM110,WMZ12A-35RM060,
MZ23-35RM090,WMZ12A-39RM085,WMZ12A-39RM100,MZ23-40RM080,WMZ12A-47RM055,WMZ12A-47RM090,
WMZ12A-50RM060,MZ23-50RM070,MZ23-50RM075,WMZ12A-55RM060-MZ23-55RM070,WMZ12A-62RM050,
WMZ12A-62RM075,WMZ12A-68RM045,WMZ12A-68RM050,WMZ12A-68RM055,WMZ12A-68RM060,
WMZ12A-75RM045,WMZ12A-82RM040,WMZ12A-68RM060,WMZ12A-101M030,WMZ12A-101M035,
WMZ12A-101M040,WMZ12A-101M045,WMZ12A-101M050,WMZ12A-101M055,WMZ12A-121M030,
WMZ12A-121M035,WMZ12A-121M050,WMZ12A-151M025,WMZ12A-151M030,WMZ12A-151M035,
WMZ12A-151M040,WMZ12A-221M020,WMZ12A-221M025,WMZ12A-471M006,WMZ12A-681M005,
WMZ12A-102M004,WMZ12A-152M003,WMZ12A-222M002

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