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270V Maximum Voltage PTC NTC Thermistor for IC Card Holder Protection with ∮ 5.5*W5.2 Dimensions

  • 270V Maximum Voltage PTC NTC Thermistor for IC Card Holder Protection with ∮ 5.5*W5.2 Dimensions
  • 270V Maximum Voltage PTC NTC Thermistor for IC Card Holder Protection with ∮ 5.5*W5.2 Dimensions
Place of Origin Xian, China
Brand Name QingZhu
Certification Reach,Rohs
Model Number MZ21-04BE (300-500) Ω
Minimum Order Quantity 1000 pcs
Price Negotiable
Packaging Details Carton
Delivery Time 7 to 10 days
Payment Terms L/C,T/T
Supply Ability 100,000,000 pcs a year
Product Details
Application Electronic, Electronic Products Supplier Type Original Manufacturer, ODM
Trademark XIWUER Maximum Voltage (V) 270
Nominal Resistance Range At 25 ℃ Rn (Ω) 300~500 Dimensions(mm) ∮ 5.5*W5.2
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270V Maximum Voltage Thermistor

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IC Card Holder Protection Thermistor

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∮ 5.5*W5.2 Dimensions PTC NTC Thermistor
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Product Description
300-500 Ω PTC NTC Thermistor for IC Card Holder Protection MZ21 04BE
MZ21 04BE (300-500) Ω electronic meter IC card holder protection thermistor designed for prepaid electronic watt-hour meter applications.
IC Card Holder Protection PTC Thermistor
Protection Principle

The IC card holder protection thermistor prevents abnormal use of prepaid electronic watt-hour meter bayonets and protects against external static electricity, lightning strikes, strong electricity, accidental short circuits, and other attacks. It also enhances IC card reading/writing capability and extends the service life of both IC cards and card tables.

IC card holder protection thermistor diagram
Technical Parameters
Model Max Voltage (V) Rated Current (mA) Switch Current (mA) Resistance at 25℃ (Ω) Switch Temp (℃) Dimensions (mm)
MZ21-05BD (30-60)Ω 245 30 120 30-60 80±5 6.5 x 5.5
MZ21-05BD500M 245 30 115 50±20% 80±5 6.5 x 5.5
MZ21-05BD560M 245 30 115 56±20% 80±5 6.5 x 5.5
MZ21-04BE (300-500)Ω 270 10 25 300-500 70±5 5.5 x 5.2
IC Card Holder Protection PTC Module
Notes
  • Pin pitch: 3.0±0.1mm for all connections
  • Lead description: Pins 2,4,6,8,10 are input pins; 1,3,5,7,9 are output pins; pin 11 is GND terminal
  • Custom specifications available based on customer requirements
PTC module diagram
PTC Module Technical Parameters
Model Regulation Range (V) Resistance Range (Ω) Switch Temp (℃) Lead Spacing (mm) Wire Diameter (mm) Module Size (mm)
PTCMK4-05BD(30-60)/04BE(300-500) 5.6±5% 30-60 / 300-500 80 / 70 3.0±0.1 0.6±0.5 33.5 x 13.0 x 8.5
PTCMK4-05BD(30-60)/04BE(300-500)-A 6.8±15%/5.6V±5% 30-60 / 300-500 80 / 70 3.0±0.1 0.6±0.5 33.5 x 13.0 x 8.5
PTCMK5-05BD(30-60)/04BE(300-500) 5.6±5% 30-60 / 300-500 80 / 70 3.0±0.1 0.6±0.5 33.5 x 13.0 x 8.5
PTCMK5-05BD(30-60)/04BE(300-500)-A 6.8±15%/5.6V±5% 30-60 / 300-500 80 / 70 3.0±0.1 0.6±0.5 33.5 x 13.0 x 8.5
PTCMK6-05BD(30-60)/04BE(300-500) 5.6±5% 30-60 / 300-500 80 / 70 3.0±0.1 0.6±0.5 37.5 x 13.0 x 8.5
PTCMK6-05BD(30-60)/04BE(300-500)-A 6.8±15%/5.6V±5% 30-60 / 300-500 80 / 70 3.0±0.1 0.6±0.5 37.5 x 13.0 x 8.5
Precautions
  • R: Resistance of thermistor between non-adjacent pins (3-4, 5-6, 7-8, 9-10)
  • Tc: Switching temperature of thermistor between non-adjacent pins
  • Custom specifications available based on customer requirements
Company Overview

Xian Xiwuer Electronic & Info. Co., Ltd. is a leading manufacturer of electronic components with:

  • 4000㎡ facility in Xi'an with 2300 employees including 580 technicians
  • 315 million RMB Yuan total assets
  • Main products: Varistors, SPDs, HV Ceramic Capacitors, Capacitive Voltage Dividers, Thermistors
  • ISO9001, ISO18000 certified with CCEE, UL, VDE & TUV approvals
  • Global exports to Japan, USA, Hong Kong, Korea, Spain, and India
Certificates
Company certificate Quality certificate Product certification
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