NTCCM10052QH330HC datasheet, PDF

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NTCCM10052QH330HC: DescriptionRESISTOR, TEMPERATURE DEPENDENT, NTC, 33ohm, SURFACE MOUNT; CategoryPassive components The resistor; File Size151KB，9 Pages; ManufacturerTDK Corporation; Websitehttp://www.tdk.com

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NTCCM10052QH330HC Overview

RESISTOR, TEMPERATURE DEPENDENT, NTC, 33ohm, SURFACE MOUNT

NTCCM10052QH330HC Parametric

Parameter Name	Attribute value
Maker	TDK Corporation
package instruction	,
Reach Compliance Code	unknown
ECCN code	EAR99
JESD-609 code	e0
Manufacturer's serial number	NTCCM
Installation features	SURFACE MOUNT
Number of terminals	2
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package shape	RECTANGULAR PACKAGE
resistance	33 Ω
Resistor type	NTC THERMISTOR
surface mount	YES
Terminal surface	TIN LEAD
Terminal shape	WRAPAROUND
Thermal sensitivity index	2750 K
Thermistor Applications	TEMPERATURE SENSING
Base Number Matches	1

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B221_NTCCM

(1/9)

Sensors

Temperature Sensors

NTC Thermistors

PHYSICAL PROPERTIES OF NTC THERMISTORS

INITIAL RESISTANCE

Thermistor resistance is a function of absolute temperature as

indicated by the following relationship:

R=R

• expB

(

T – T1

)

............................................................ (1)

NTCCM Series NTCCM1005, 1608, 2012 Types

HEAT DISSIPATION COEFFICIENT

Temperature rises due to thermal energy formed as electrical cur-

rent ﬂows through the thermistor. The thermistor temperature T

then related to the surrounding temperature Ta and the electrical

input W:

W=k(T

–Ta)=V•I(mW) ............................................................(4)

W(%/°C) ...............................................................(5)

–Ta

Here R

, R(k

Ω

) are the respective resistance values when the sur-

rounding temperature is T

, T(K). B is the thermistor constant(B

constant below).

B constant

The B constant is found from the following equation:

2.3026(logR–logR

)

1 – 1

T T

....................................................... (2)

This B characteristic is indicated by the slope of the linear plot of

log R vrs inverse absolute temperature.

The B constant value is generally in the vicinity of 2500K to 5000K.

B constant values of 3000K to 4000K are frequently used for mea-

surements.

Resistance-temperature characteristics (Fig.1)

450 400 350 300

100

250

200

150

100

This k value is the heat dissipation coefﬁcient, which represents

the additional electrical power (mW/°C) needed to raise the ther-

mistor temperature by 1°C. This heat dissipation coefﬁcient varies

with changes in the measurement and environmental conditions.

When a thermistor is used for temperature measurement, it is nat-

urally important to lower the applied electrical current as much as

possible in order to reduce measurement error resulting from self

heating.

VOLTAGE - CURRENT CHARACTERISTIC

The voltage - current characteristic indicates the drop in voltage as

electrical current through the thermistor is gradually increased.

Voltage-current characteristics (Fig.2)

100

Resistance (kΩ)

20kΩ/200°C

Voltage (V)

3.3kΩ/100°C

Ta=25°C (in still air)

No.1 5kΩ

2 10kΩ

3 20kΩ

4 50kΩ

5 100kΩ

100

Current (mA)

1.4

1.6

1.8

2.2

2.4

×10

(

°C

)

2.6

2.8

0.1

TEMPERATURE COEFFICIENT

The relationship between temperature coefﬁcient

and B becomes:

α=

1 dR

•

=–

×100(%/°C)

R dT

............................................. (3)

The negative sign of the temperature coefﬁcient indicates that the

temperature coefﬁcient decreases as both thermistor resistance

and temperature rise. If B is taken as 3400K, the temperature coef-

ﬁcient found at 20°C (293.15K) becomes –4%/°C.

Speciﬁcations which provide more details for the proper and safe use of the described product are available upon request.

All speciﬁcations are subject to change without notice.

NTCCM10052QH330HC Related Products

	NTCCM10052QH330HC	NTCCM10052QH330GC	NTCCM10052QH330JC	NTCCM10052QH330KC	NTCCM10053EH330HC	NTCCM10053EH680JC	NTCCM10053EH101KC	NTCCM10053EH220HC
Description	RESISTOR, TEMPERATURE DEPENDENT, NTC, 33ohm, SURFACE MOUNT	RESISTOR, TEMPERATURE DEPENDENT, NTC, 33ohm, SURFACE MOUNT	RESISTOR, TEMPERATURE DEPENDENT, NTC, 33ohm, SURFACE MOUNT	RESISTOR, TEMPERATURE DEPENDENT, NTC, 33ohm, SURFACE MOUNT	RESISTOR, TEMPERATURE DEPENDENT, NTC, 33ohm, SURFACE MOUNT	RESISTOR, TEMPERATURE DEPENDENT, NTC, 68ohm, SURFACE MOUNT	RESISTOR, TEMPERATURE DEPENDENT, NTC, 100ohm, SURFACE MOUNT	RESISTOR, TEMPERATURE DEPENDENT, NTC, 22ohm, SURFACE MOUNT
Maker	TDK Corporation	TDK Corporation	TDK Corporation	TDK Corporation	TDK Corporation	TDK Corporation	TDK Corporation	TDK Corporation
Reach Compliance Code	unknown	unknow	unknow	unknow	unknown	unknow	unknown	unknown
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
JESD-609 code	e0	e0	e0	e0	e0	e0	e0	e0
Manufacturer's serial number	NTCCM	NTCCM	NTCCM	NTCCM	NTCCM	NTCCM	NTCCM	NTCCM
Installation features	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT
Number of terminals	2	2	2	2	2	2	2	2
Maximum operating temperature	85 °C	85 °C	85 °C	85 °C	125 °C	125 °C	125 °C	125 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
Package shape	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE
resistance	33 Ω	33 Ω	33 Ω	33 Ω	33 Ω	68 Ω	100 Ω	22 Ω
Resistor type	NTC THERMISTOR	NTC THERMISTOR	NTC THERMISTOR	NTC THERMISTOR	NTC THERMISTOR	NTC THERMISTOR	NTC THERMISTOR	NTC THERMISTOR
surface mount	YES	YES	YES	YES	YES	YES	YES	YES
Terminal surface	TIN LEAD	TIN LEAD	TIN LEAD	TIN LEAD	TIN LEAD	TIN LEAD	TIN LEAD	TIN LEAD
Terminal shape	WRAPAROUND	WRAPAROUND	WRAPAROUND	WRAPAROUND	WRAPAROUND	WRAPAROUND	WRAPAROUND	WRAPAROUND
Thermal sensitivity index	2750 K	2750 K	2750 K	2750 K	3250 K	3250 K	3250 K	3250 K
Thermistor Applications	TEMPERATURE SENSING	TEMPERATURE SENSING	TEMPERATURE SENSING	TEMPERATURE SENSING	TEMPERATURE SENSING	TEMPERATURE SENSING	TEMPERATURE SENSING	TEMPERATURE SENSING

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