| Part No: MZ9-33RX | PTCTHERMISTOR 33Ω±25% | Rev: 0/A (Mar. 7, 23) Page 1 of 4 |
| 1. APPEARANCE AND DIMENSIONS |
1-1. Dimensions 
| D | 19±0.5mm |
| T | 2.5±0.2 mm |
| t1min | ≥0.3μm |
| t2 | ≥4.0μm |
| h | 1.0-2.0mm |
| 1-2. Marking |
| Part No. | Marking |
| MZ9-33RX | |
1.Electricity data
No. |
Item |
Specification |
Condition |
| 1.1 |
R-T Characteristics | 见附图 |
See attached Fig. |
| 1.2 |
Nominal resistance | 33Ω±20% |
Leave the samples in the static air at 25±1℃ for 2 hours, measure
them in DC1.5Vmax.
|
| 1.3 |
Switch Temperature | 130±10℃ | Meaused by R-T testing instrument |
| 1.4 |
Max. operating voltage | 355Vrms | Operating temperature range from -10℃ to +85℃ |
| 1.5 |
Max. current | 6A |
Operating temperature range from -10℃ to +85℃ |
| 1.6 |
Operating time | To:0.3-1.3(S) 
|
The time until the current is reduced to the half(1/2) value of the
in rush current at 25±1℃. 
|
| 1.7 |
Power consumption | ≤3.5W | According to the above chart test,applying Voltage at 25±1℃, 355V
it shall be measured 10 min later.
|
| 1.8 |
Recovery time | ≤90S |
According to the above chart test, 355V after applying Voltage for
10 min at 25±1℃, shall be measured. Time which takes recover into
2times of the resistance Value at 25℃(R25)
|
No. |
Item |
Specification |
Condition |
| 1.9 |
Withstanding voltage |
No damaged. Fluctuation ratio of Resistance value within± 20%. |
At 25±1℃, 355V for 1min to 500V for 3min. 
|
| 1.10 |
Insulation Resistance | >100MΩ |
At room temperature and humidity conditions, and then tested
according to the following chart. 
|
| 1.11 |
Dielectric strength |
No damaged. |
At 25 ± 1 ℃ ambient temperature, according to the following chart
test, on 1min, remove the PTC resistor, measure the insulation
resistance and R25. 
|
| 1.12 |
Operating temperature range | -20℃—+85℃ | Operating temperature range from -20℃ to +85℃. |
2.Test for life tests
No. | Item
| Specification
| Test condition
|
| 2.1 |
Low temperature storage |
There is no visible damage to the appearance and no abnormal
electrical performance. |
The PTC was placed at the specified lower temperature range for 48
hours, and then tested at room temperature for at least 24 hours. |
| 2.2 |
Temperature impact test |
According to the prescribed upper and lower class temperature, 50
cycles were carried out, each cycle lasted 30 minutes. Recover at
least 24h. |
No. | Item
| Specification
| Test condition
|
| 2.3 |
Room temperature intermittent load test |
Fluctuation ratio of Resistance value within ±20%. No remarkable abnormality. |
According to the following chart, at 25±2℃ apply 355VACrms for 1 minute on and 5 minute off, total 100000 times. K
355VACrms PTC
25Ω |
| 2.4 |
Steadydamp-heat |
There is no visible damage to the appearance and no abnormal
electrical performance Insulation resistance > 10M Ω. |
The PTC was placed in the environment of 40 2 C and 80% - 90%
relative humidity for 24 hours. The surface water droplets were
removed and tested at room temperature for at least 24 hours. |
| 2.5 |
High temperature continuous load test |
Fluctuation ratio of Resistance value within ±20%. No remarkable abnormality. |
According to the above chart, at 100±2℃,on continuous 1,000 hours. |
| 2.6 |
Humidity State characteristics |
Fluctuation ratio of Resistance value within± 20%. |
The test circuit, as shown above, applies voltage 355 VACrms at
40±2℃ and humidity 90-95%. The circuit is powered on for 30 minutes
and power off for 90 minutes, lasting 1000 hours. |
| 2.7 |
High temperature State characteristics |
There is no visible damage to the appearance and no abnormal
electrical performance. |
The PTC was placed at the specified upper class temperature for 48
hours and then restored for at least 24 hours. |
| 2.8 |
Low temperature intermittent load test |
Fluctuation ratio of Resistance value within ±20%. No remarkable abnormality. |
The test circuit, as shown above, applies a voltage of 355 VACrms
at - 20 ±2℃, turns on power for 30 minutes, cuts off power for 90
minutes, and lasts 1000 hours. |
3.Mechanical Characteristics
No. | Item | Specification | Test condition |
| 3.1 |
Vibration Test |
Fluctuation ratio of Resistance value within ±20%. No remarkable abnormality. |
Fixed the PTC firmly on the vibration platform, and then vibrated
for 2 hours in three vertical directions respectively, the total
duration was 6 hours, the vibration frequency was 10-55 Hz, and the
amplitude was 3 mm. |
| 3.2 |
Strength of Terminal |
Fluctuation ratio of Resistance value within ±10%. No remarkable abnormality. |
The body shall be fixed and the load of 2.5kg for 10 seconds shall
be applied the terminals. |
| 3.3 |
Pin bending strength |
The pins were bent twice in successive opposite directions (four
times in total, at a 90 degree right angle to the direction of the
lead foot). |
4.R-T Characteristics Curve
5.Size and Frame and Mark
5.1 Size and Frame
5.2 Mark
MZ93 ----- LK (LinKun Brand)；
MZ93:(Type)47RM -----(R25 and Tolerance):47Ω±25％
6.Inspection standard
| No. | Item | Standard |
| 1 | Appearance | Ⅱ 0.4 |
| 2 | Size | n=10 c=0 |
| 3 | R25 | Ⅱ 0.4 |
| 4 | Operating time | n=10 c=0 |
| 5 | Power consumption | n=10 c=0 |
| 6 | Recovery time | n=10 c=0 |
| 7 | Insulation resistance | n=2 c=0 |
| 8 | Dielectric test | n=2 c=0 |
7.ATTENTION
(1)Please read this specification before use the product.
(2)Please do not expose posistor to any abnormal environment. Or it
may deteriorate posistor's character, worsely, may cause
malfunction(or damage).
●Please use posistor within the specified maximum voltage and at
higher coil resistance asspecified.
●Please use posistor within the specified maximum current.
●Please be sure to use posistor at proper range of temperature.
●When this product is operated, temperature of some area may be
over 100℃to 160℃. Please make sure that surrounding parts and
inserting material can withstand the temperature. If the
surrounding part and materials is kept under such condition, they
may be deteriorated or may produce harmful
gas(C12,H2S,NH3,Sox,Noxetc.).And, such harmful gas may deteriorate
the element.
●This product does not have waterproof construction. A splashed
water may cause failure mode such as decline of characteristic or
current leak.
●The ceramic element of this product is fragile, and care must be
taken not to load a excessive press force or not to give a shock at
handling, Such forces may cause cracking or chipping.
●Please store posistor under following conditions, without breaking
package
①Storage temperature:between-10℃ and 40℃
Storage humidity: less than 85%RH(no dew)
②Storage place : keep away from sun, any halogen gas, such as
chorine or sulfurous Materials.
●Please do keep Posistor away
①From caustic and reductive gas(such as Cl2,H2S,NH3,SOx, NOx, etc.)
②From volatile and combustible gas.
③From water salt solution,oil, lotion and organic solvent.
④From reducing or compressing atmosphere.
⑤From dusty place
⑥From violent vibration
(3)You are requested not to use our product deviating from the
agreed specifications.
(4)Please make sur ethat your product has beenevaluated in view of
your specifications with our product
Being mounted to your product
(5)Discarded treatment:
①Recycling
②Recovery processing by a professional electronic component
recycling company
③ Send back to our department
(6)Please return one duplicate of this product specification to us
with your signature to acknowledge your
receipt.If the duplicate is not returned by the date this product
specification will be deemed to have been received by you.
Factory strength display:
Product Description:
PTC Chip is a heating chip designed for PTC Start Relay
applications. It has a dimension of 3mm to 20mm and a resistance
range from 2Ω to 10000Ω. With a maximum power of 5W and a weight of
0.1g to 1g, PTC Chip provides an efficient and reliable solution
for your PTC Start Relay applications. It is the perfect choice for
your PTC Start Relay needs.
Features:
- PTC Start Relay Chip:Current: 7A, Resistance: 2Ω-10000Ω, Material: Silicon, Voltage:
5V-250V, Dimension: 5mm -20mm
- PTC Starter Chip:Current: 2A, Resistance: 2Ω-10000Ω, Material: Silicon, Voltage:
5V-250V, Dimension: 5mm -20mm
Technical Parameters:
| Name | PTC Chip |
|---|
| Impedance | 5Ω-10000Ω |
|---|
| Resistance | 2Ω-10000Ω |
|---|
| Capacitance | 1μF |
|---|
| Weight | 0.1g-1g |
|---|
| Type | Electronic Components -resistors |
|---|
| Current | 2A |
|---|
| Voltage | 5V-250V |
|---|
| Dimension | 3mm -20mm |
|---|
| Inductance | 10mH |
|---|
| Main Feature | Heating Chip, PTC Heating Chip, Heating Chip |
|---|
Applications:
LK-PTC is a type of PTC starter chip that is designed to provide
reliable performance and superior quality in a wide range of
applications. This PTC ceramic heater chip has an impressive model
number of 5mm-16mm and is made in China. It features a lightweight
of 0.1g-1g and is capable of operating at temperatures ranging from
50-300°C. Moreover, the LK-PTC PTC chip also offers excellent
impedance between 5Ω-10000Ω and a power output of 5W.
The PTC ceramic heater chip is highly suitable for use in a variety
of industries and applications, such as automotive, home
appliances, medical devices, and consumer electronics. It is also
suitable for use in various temperature control systems,
temperature testing systems, air conditioners, refrigerators, and
other related products. The PTC chip's superior performance, high
temperature resistance, low power consumption, and excellent safety
standards make it ideal for a wide range of temperature control
applications.
The LK-PTC PTC chip is a perfect solution for those who require a
reliable and high-quality PTC starter chip for their temperature
control systems. Its superior performance, excellent safety
standards, and effective temperature control make it an excellent
choice for a variety of industrial and commercial applications. The
PTC ceramic heater chip is an excellent choice for those who need a
reliable and efficient PTC starter chip that can provide superior
performance at a great value.
Customization:
Customized PTC Chip
- Brand Name: LK-PTC
- Model Number: 5mm-16mm
- Place of Origin: China
- Current: 2A
- Type: Electronic Components -resistors
- Dimension: 5mm -20mm
- Package: Foam Packaging
- Name: PTC Chip
- Specialties: PTC Start Relay Chip, PTC Heaters, PTC Start Relay Chip
Support and Services:
PTC Chip offers technical support and service to customers to
ensure they get the most out of their product. Technical support
includes troubleshooting assistance, product information, and
software updates. Customers can contact our technical support team
by phone, email, or live chat. Additionally, PTC Chip offers a
variety of services, such as installation, maintenance, and repair
services.
Packing and Shipping:
PTC Chip Packaging and Shipping
PTC Chip products are packaged and shipped in the following way:
- The product is packaged in a cardboard box with bubble wrap.
- The box is labeled with the product name, item number, and order
number.
- The box is sealed with packing tape or shrink wrap.
- The package is shipped via a reliable carrier such as UPS, FedEx,
or USPS.
- The package is tracked throughout the shipment process.
FAQ:
- Q: What is the Brand Name of PTC Chip?
- A: The Brand Name of PTC Chip is LK-PTC.
- Q: What is the Model Number of PTC Chip?
- A: The Model Number of PTC Chip is 5mm-16mm.
- Q: Where is the Place of Origin of PTC Chip?
- A: The Place of Origin of PTC Chip is China.
- Q: What is the application of PTC Chip?
- A: The PTC Chip is suitable for over-current protection,
temperature control and thermal protection.
- Q: What is the size of PTC Chip?
- A: The size of PTC Chip is 5mm-16mm.
