• 0603 10KOHM Surface Mount Thermistor 3450k Surface Mount Resistors
  • 0603 10KOHM Surface Mount Thermistor 3450k Surface Mount Resistors
  • 0603 10KOHM Surface Mount Thermistor 3450k Surface Mount Resistors
  • 0603 10KOHM Surface Mount Thermistor 3450k Surface Mount Resistors
0603 10KOHM Surface Mount Thermistor 3450k Surface Mount Resistors

0603 10KOHM Surface Mount Thermistor 3450k Surface Mount Resistors

Product Details:

Place of Origin: Dongguan,China
Brand Name: AMPFORT
Certification: ROHS,REACH,UL
Model Number: QN0603X103F3450FB

Payment & Shipping Terms:

Minimum Order Quantity: 8000 Pieces
Price: TBA
Packaging Details: Tape, 4000pcs per reel
Delivery Time: 10 workdays
Payment Terms: T/T, Western Union, MoneyGram
Supply Ability: 1000,000,000 Pieces Per Month
Get Best Price Contact Now

Detail Information

Product Name: Surface Mount NTC Thermistor 0603 Resistance (25℃): 10kΩ
B 25/50℃: 3450K B 25/85℃: 3500K
Operating Current: 0.31mA Power: 100mW
Thermal Time Constant: <5 Sec Tolerance: 1%
High Light:

0603 surface mount thermistor

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10KOHM surface mount thermistor

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3450k surface mount resistors

Product Description

 
1608 Surface Mount NTC Thermistor 0603 10KOHM 3450 For Temperature Compensation
 
I Description Of The Surface Mount NTC Thermistor 0603
 
NTC (Negative Temperature Coefficient) SMD Thermistors are multilayer devices that inversely change resistance value according to temperature. NTC SMD Thermistors detect, measure or compensate for temperature. ... Ampfort offers Surface Mount NTC Thermistors in a wide selection of values.
0603 10KOHM Surface Mount Thermistor 3450k Surface Mount Resistors 0
 
 
II Features Of The Surface Mount NTC Thermistor 0603
 
Multilayer SMD NTC with inner electrodes
Nickel barrier termination
Excellent long-term aging stability in a high-temperature environment
Superior resistance stability during soldering
(change <1%)

 


III Applications Of The Surface Mount NTC Thermistor 0603
 
Temperature sensing, protection and compensation in automotive, industrial, telecom and consumer applications. Examples are:
Battery chargers
Power supplies

 
 
IV Dimensional Drawing 
Of The Surface Mount NTC Thermistor 0603 (unit:mm)
 
0603 10KOHM Surface Mount Thermistor 3450k Surface Mount Resistors 1
 
 
V Main Techno-Parameters(In static air) 
Of The Surface Mount NTC Thermistor 0603
 

P/N R25 (25℃) B(25/50℃)(K) B(25/85℃) Ir Dissipation factor(mW/℃) Thermal time (s)
(kΩ) (K) (25℃)(mA)
QN0603X102F3650FB 1 3650±1% 3700 1 1 <5
QN0603X152F3950FB 1 3950±1% 3987 0.81
QN0603X222F3450FB 2.2 3450±1% 3500 0.67
QN0603X222F3950FB 2.2 3950±1% 3987 0.67
QN0603X302F3450FB 3 3450±1% 3500 0.58
QN0603X302F3950FB 3 3950±1% 3987 0.58
QN0603X332F3450FB 3.3 3450±1% 3500 0.55
QN0603X332F3950FB 3.3 3950±1% 3987 0.55
QN0603X472F3500FB 4.7 3500±1% 3545 0.46
QN0603X472F3950FB 4.7 3950±1% 3987 0.46
QN0603X502F3500FB 5 3500±1% 3545 0.44
QN0603X502F3950FB 5 3950±1% 3987 0.44
QN0603X682F3500FB 6.8 3500±1% 3545 0.38
QN0603X682F3950FB 6.8 3950±1% 3987 0.38
QN0603X103F3380FB 10 3380±1% 3435 0.31
QN0603X103F3450FB 10 3450±1% 3500 0.31
QN0603X103F3610FA 10 3550 3610±1% 0.31
QN0603X103F3900FB 10 3900±1% 3935 0.31
QN0603X103F3950FB 10 3950±1% 3987 0.31
QN0603X153F3950FB 15 3950±1% 3987 0.25 1 <5
QN0603X223F3950FB 22 3950±1% 3987 0.21
QN0603X223F4050FB 22 4050±1% 4100 0.21
QN0603X333F4050FB 33 4050±1% 4100 0.17
QN0603X473F3960FA 47 3920 3960±1% 0.14
QN0603X473F4050FB 47 4050±1% 4100 0.14
QN0603X473F4150FB 47 4150±1% 4210 0.14
QN0603X503F4150FB 50 4150±1% 4210 0.13
QN0603X683F4150FB 68 4150±1% 4210 0.12
QN0603X104F3950FB 100 3950±1% 3987 0.1
QN0603X104F4100FA 100 4050 4100±1% 0.1
QN0603X104F4250FB 100 4250±1% 4310 0.1
QN0603X154F4250FB 150 4250±1% 4310 0.08
QN0603X154F4500FB 150 4500±1% 4582 0.08
QN0603X224F4300FB 220 4300±1% 4343 0.06
QN0603X224F4500FB 220 4500±1% 4582 0.06
QN0603X334F3950FB 330 3950±1% 3987 0.05
QN0603X334F4300FB 330 4300±1% 4343 0.05
QN0603X474F4000FB 470 4000±1% 4045 0.04
QN0603X474F4500FB 470 4500±1% 4582 0.04
QN0603X684F4100FB 680 4100±1% 4135 0.03
QN0603X684F4500FB 680 4500±1% 4582 0.03
QN0603X135F4500FB 1300 4500±1% 4582 0.02

 

 

VI Sample application: Temperature detection for battery packs of mobile devices

 

 

All rechargeable batteries and lithium ion batteries in particular must be monitored and protected by smart charging circuits, as the mobile communication device drawing power from the batteries must operate in a variety of environments, including low and high-temperature operation.
As preferred temperature detection devices NTC thermistors are used in the protective circuitry. NTC thermistors can detect the ambient temperature for different purposes, depending on the battery system. Especially for quick charging the ambient temperature has to be measured, as not all batteries allow the charging in the hot and cold temperature range. Usually charging temperatures of 0 °C up to 45 °c for slow charging, and 5 °C, 10 °C up to 45 °C for quick charging are recommended by the battery pack manufacturers depending on the battery chemistry.

 

The NTC thermistor is part of a smart charging control unit (see circuit below), which assures that the ambient temperature is in the range allowing quick charging. During charging the NTC thermistor repeatedly measures the temperature all 5 to 10 seconds and can detect a rise in the battery cell's temperature at the end of the charging cycle or caused by abnormal charging conditions.
During discharging NTC thermistors also perform temperature compensation for the voltage measurement, which helps to measure the remaining charge in the battery.


Fig. 3: Temperature detection for battery packs of mobile devices

0603 10KOHM Surface Mount Thermistor 3450k Surface Mount Resistors 2

 

 
 
VII Advantages of SMD NTC thermistors
 

NTC thermistors are temperature-sensitive resistor elements using semiconductor ceramics with negative temperature coefficients (NTC). That means that the resistance decreases exponentially with rising temperature. The steeper the RT curve, the greater the change in resistance within a specified temperature range. With this property, they are often used as temperature sensors and also used as temperature protection devices for purposes such as temperature measurement and temperature compensation.
 


VIII Frequently Asked Question FAQ


Q: Are you manufacturer ?
A: Yes, we are manufacturer and distributor of famous brand such as Littelfuse.


Q: Which city does your factory in ?
A: Dongguan City,Guangdong Province, China


Q: May i know your working time ?
A: Official working time is 8:00 ~ 12:00 AM, 1:30 ~ 5:30 PM.However, sales in our overseas department will do overtime working and 7x24hours online.


Q: Do you accept custom made ?
A: Yes, we are professional in customization model based on rich experiences and professional engineering.It’s helpful if you can provide drawing or detailed specification should be.


Q: May i know your lead time ?
A: Lead time is 7 days for standard model and exact lead time depend on detailed requirements if special model selected.


Q: May i receive samples before place order ?
A: Yes, generally samples is free but sample cost should be charged if quantity is too many ,product cost is too much or new mould fee required.


Q: What’s your payment terms ?
A: T/T, Paypal etc.


Q: What’s currency you can accept ?
A: Mainly US dollars and Chinese Yuan


Q: Does your package method safe for transportation ?
A: Yes, our package would be 10~1000pcs per plastic bag -> multiple bags per box -> multiple boxes per carton and it is safe for express/air/boat shipment.

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