• 16P 5 OHM 120C 900mA NTC PTC Thermistors Inverter Welding Machine
  • 16P 5 OHM 120C 900mA NTC PTC Thermistors Inverter Welding Machine
  • 16P 5 OHM 120C 900mA NTC PTC Thermistors Inverter Welding Machine
  • 16P 5 OHM 120C 900mA NTC PTC Thermistors Inverter Welding Machine
  • 16P 5 OHM 120C 900mA NTC PTC Thermistors Inverter Welding Machine
16P 5 OHM 120C 900mA NTC PTC Thermistors Inverter Welding Machine

16P 5 OHM 120C 900mA NTC PTC Thermistors Inverter Welding Machine

Product Details:

Place of Origin: China
Brand Name: Tianrui
Certification: ROHS
Model Number: MZ21 16P

Payment & Shipping Terms:

Minimum Order Quantity: 1000pcs
Price: USD0.03-0.04PCS
Packaging Details: PE Bag
Delivery Time: 5-7 work days
Payment Terms: T/T, Paypal, Mastercard, Wetern Union, Alipay, etc
Supply Ability: 1000000PCS per Month
Get Best Price Contact Now

Detail Information

Product Name: 16P PTC Thermistor Diameter: 18mm
Lead Spacing: 5mm Rated Power: 0.5W
Rated Resistance: 5Ω±20% Switch Temperature: 120℃
Break Down Voltage: 300 V Non-Operating Current: 450 MA
Typical Trip Current: 900 MA Temperature Range: -10~+45℃
High Light:

16P 5 OHM NTC PTC Thermistors

,

900mA NTC PTC Thermistors

Product Description

 
16P 5 OHM 120C 900mA Inverter Welding Machine Positive Temperature Coefficient PTC Thermistor

 

Description 
MZ21 Type Thermistor used for overcurrent protection in telecommunication and AC circuit.
Function:PTC Thermistor Special for over current,overload protection of welding machines.
Technical parameters of Welding machine overload protection PTC Thermistor:
16P nominal R25 resistance: conventional 6 Ω, also 3.7 Ω, 5 Ω, 7 Ω, 10 Ω, 12 Ω, 15 Ω
Allow R25 resistance deviation: 100 Ω ± 30%, others: ± 25 %
Rated power: 0.5 W
 
Summary
16P PTC Thermistor used for overcurrent protection in telecommunication and AC circuit.

 

Structure and Dimensions

16P 5 OHM 120C 900mA NTC PTC Thermistors Inverter Welding Machine 0
16P 5 OHM 120C 900mA NTC PTC Thermistors Inverter Welding Machine 1

Shape and Dimension (unit :mm)

Part noDMAXW±1.0TMAXΦd±0.05
MZ21- P500RMN18.05.05.00.8

 
Performance Specification


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-P500RMN5Ω±20%120℃300 V450 mA900 mA-10~+45℃

 
How to Order 16P PTC Thermistor
16P 5 OHM 120C 900mA NTC PTC Thermistors Inverter Welding Machine 2
① — PTC Thermistor

 Product style
2Current limited
3Delay time

Product typeSequence No.
11.Coating type
2.Plastic type
3.Empty body
3No mark

④ — — switch temperature,P:120℃
⑤ — Ω(resistance value) 5=5×10 0 ,
⑥ —  ( OHM )
⑦ — —  (Tolerance) K:±10%, M:±20%, N:±25%
⑧ — —  (Diameter of Chip) N:Ф16mm
 
The 16P PTC Thermistor Characteristics Curve

16P 5 OHM 120C 900mA NTC PTC Thermistors Inverter Welding Machine 3
16P 5 OHM 120C 900mA NTC PTC Thermistors Inverter Welding Machine 4
16P 5 OHM 120C 900mA NTC PTC Thermistors Inverter Welding Machine 5

 

 
Working Principle 
When the circuit is in normal state, the current passing through the PTC thermistor is less than the rated current, and the PTC thermistor is normal and the resistance is small.Does not affect the normal operation of the protected circuit. When the circuit fails and the current greatly exceeds the rated current, the PTC thermistor suddenly heats up and is in a high resistance state. The circuit is disconnected to protect the circuit from damage. When the failure is eliminated, the PTC thermistor automatically returns to a low resistance state and the circuit returns to normal
operation.
 
Advantage
1.Automatic circuit protection,can resume steadily,
2.contactless,noiseless and flameless,
3.reacts fast,
4. with a better performance of overvoltage protection,
5.wide operating voltage range,
6.small steady resistance,
7.low rated current,
8.small resistance,small size,
9.stable for a long time,
10.no need to be reset supply after overload protection,
11.wide operating temperature range, 0 ~ +60°C (V=Vmax), -25 ~ +125°C (V=0),
12.RoHS compliant.

 
 

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