RUILON NTC16D-20

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Product Description

Negative Temperature Coefficient Resistor - NTC Series

The NTC Series Negative Temperature Coefficient Resistors are designed to exhibit a decrease in electrical resistance as the temperature increases. These components are crucial for temperature sensing, compensation, and inrush current limiting applications.

Key Features:

Accurate temperature sensing capabilities.
Reliable performance across various environmental conditions.
Suitable for inrush current limiting and over-temperature protection.

Application Scenarios:

Temperature measurement and control in electronic devices.
Power supply circuits for inrush current suppression.
Battery management systems.
Automotive electronics.

Model	Resistance ()	Max. Steady State Current (A)	Residual Resistance ()	Dissipation Factor (mW/C)	Thermal Time Constant (s)	Material Constant B (K)	Max. Allowable Operating Temperature (C)
NTC5D-5	5	1	0.35	6	20	2700	240V/120V
NTC8D-5	8	0.7	0.77	6	20	2700	240V/120V
NTC10D-5	10	0.7	0.77	6	20	2700	240V/120V
NTC20D-5	20	0.5	0.997	6	20	2800	240V/120V
NTC33D-5	33	0.5	1.88	6	20	2950	240V/120V
NTC3D-7	3	3	0.25	10	30	2700	240V/120V
NTC5D-7	5	2	0.28	6	30	2700	240V/120V
NTC8D-7	8	1	0.54	9	30	2700	-40~+175
NTC10D-7	10	1	0.62	9	30	2700	240V/120V
NTC12D-7	12	1	0.82	9	30	2700	240V/120V
NTC16D-7	16	0.7	1.00	9	30	2800	240V/120V
NTC20D-7	20	0.6	1.11	9	30	2800	240V/120V
NTC22D-7	22	0.6	1.1	9	30	2800	240V/120V
NTC33D-7	33	0.5	1.49	9	30	2950	240V/120V
NTC3D-9	3	4	0.12	11	35	2600	240V/120V
NTC5D-9	5	3	0.21	11	35	2700	240V/120V
NTC6D-9	6	2	0.32	11	35	2700	240V/120V
NTC8D-9	8	2	0.40	11	35	2700	240V/120V
NTC10D-9	10	2	0.46	11	35	2700	240V/120V
NTC12D-9	12	1	0.66	11	35	2700	240V/120V
NTC15D-9	15	1	0.80	11	35	2800	240V/120V
NTC16D-9	16	1	0.80	11	35	2800	240V/120V
NTC20D-9	20	1	0.88	11	35	2800	240V/120V
NTC22D-9	22	1	0.95	11	35	2800	240V/120V
NTC33D-9	33	1	1.12	11	35	2950	240V/120V
NTC50D-9	50	1	1.25	11	35	2950	240V/120V
NTC100D-9	100	0.8	3.02	11	35	3200	240V/120V
NTC120D-9	120	0.8	3.02	11	35	3200	-40~+175
NTC2.5D-11	2.5	5	0.10	14	50	2700	240V/120V
NTC3D-11	3	5	0.10	14	50	2700	240V/120V
NTC5D-11	5	4	0.16	14	50	2700	240V/120V
NTC8D-11	8	3	0.25	14	50	2800	240V/120V
NTC10D-11	10	3	0.28	14	50	2800	240V/120V
NTC12D-11	12	2	0.46	14	50	2800	240V/120V
NTC15D-11	15	2	0.47	14	50	2800	240V/120V
NTC16D-11	16	2	0.47	14	50	2800	240V/120V
NTC20D-11	20	2	0.51	14	50	2950	240V/120V
NTC22D-11	22	2	0.56	14	50	2950	240V/120V
NTC33D-11	33	1.5	0.67	14	50	2950	240V/120V
NTC47D-11	47	1.5	1.02	14	50	2950	240V/120V
NTC50D-11	50	1.5	1.02	14	50	2950	240V/120V

Item	Specification	Test Conditions & Methods
Rated Zero-Power Resistance RN ()	RN 20%	Ambient temp. Range: 25C2C (TA). Testing voltage: 1.5VDC. After placing for 1~2 hours under TA, the resistance value shall be measured.
Thermal Dissipation Constant (mW/C)	See the main technical parameter list	The thermal dissipation constant () could be calculated by the ratio of a change in power dissipation (P) of the thermistor to a change in temperature (T) of the thermistor at a specified ambient temperature.
Thermal Time Constant T (s)	See the main technical parameter list	The time (t) shall be measured within which the temperature is reached at 63.2% of the ambient temperature change under zero power condition.
Material Constant B	B=T1T2/(T2-T1) x Ln(R1/R2)	R1, R2 is zero-power resistance at T1, T2. T1=298.15 K (25C), T2 = 323.15 K (50C).
Max. Steady State Current (A)	Ambient temperature: 25C2C	Testing Time: min 100h

Item	Specification	Test Conditions & Methods
Temp. Cycling Testing	No visible mechanical damage. RN / RN 20% (RN = \| RN-RN' \|)	Ta: -403C/30min252C/5minTb:2003C/30min252C/5min. Cycles: 5 times. After recovering 4~5 h under 252C, the rated zero power resistance value RN' shall be measured.
Electrical Cycling Testing	No visible mechanical damage. RN / RN 20% (RN = \| RN-RN' \|)	Ambient temp. Range: 25C2C. Cycles: 1,000 times. On / Off: 1m / 5m. Test Current: Max. steady state Current. After recovering 4~5h under 252C, the rated zero power resistance value RN shall be measured.
Load Life (Endurance) Testing	No visible mechanical damage. RN / RN 20% (RN = \| RN-RN' \|)	Ambient temp. Range: 25C2C; Max. steady state Current/ 1,00024h. After recovering 4~5 h under 252C, the rated zero power resistance value RN' shall be measured.
Humidity Testing	No visible mechanical damage. RN / RN 20% (RN = \| RN-RN' \|)	Ambient temp. range : 40C2C, R.H.:933%, Energized time:100024 h. After recovering 4~5 h under 252C, the rated zero power resistance value RN' shall be measured.

Item	Specification	Test Conditions & Methods
Solder-ability	The terminals shall be uniformly tinned, and its area 95%	Dipping the NTC terminals to a depth of 15mm in a soldering bath of 240-245C and to the place of 6mm far from NTC body for 2-3s (See IEC68-2-20 /GB2423.28 Ta).
Resistance To Soldering Heat	No visible mechanical damage. RN / RN 20% (RN = \| RN-RN' \|)	Dipping the NTC terminals to a depth of 15mm in a soldering bath of 2655C and to the place for 6mm below from NTC body for 101s. After recovering 4-5h under 252C. The rated zero power resistance value RN' shall be measured. (See IEC68-2-20 /GB2423.28 Tb).
Strength of lead terminal	No break out. RN / RN 20% (RN = \| RN-RN' \|)	Fasten the body and apply a force gradually to each lead until 10N and then keep for 10sec. Hold body and apply a force to each lead until 90 slowly at 5N in the direction of lead axis and then keep for 10sec, and do this in the opposite direction repeat for other terminal. After recovering 4~5h under 252C, the rated zero power resistance value RN shall be measured. (See IEC68-2-21/GB2423.29 Ua / Ub).