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RUILON NTC33D-7

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Model Number :	NTC33D-7

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RUILON NTC33D-7

Negative Temperature Coefficient Resistor NTC Series

NTC thermistors are temperature-dependent resistors whose resistance value decreases with increasing temperature. They are widely used for inrush current limiting, temperature sensing, and over-temperature protection applications.

Product Type

Negative Temperature Coefficient Resistor

Series

NTC Series

Technical Specifications

Model	Max. Steady State Current (A)	Resistance @ 25C ()	Dissipation Factor (mW/C)	Thermal Time Constant (s)	Max. Allowable Capacity (240V/120V)	B Value (K)	Operating Temperature (C)
NTC5D-5	5	1	0.35	~6	150/560	2700
NTC8D-5	8	0.7	0.77	~6	100/390	2700
NTC10D-5	10	0.7	0.77	~6	68/270	2700
NTC20D-5	20	0.5	0.997	~5	39/150	2800
NTC33D-5	33	0.5	1.88	~6	39/150	2950
NTC5D-7	5	2	0.28	~9	100/390	2700
NTC8D-7	8	1	0.54	~9	100/390	2700	-40~+150
NTC10D-7	10	1	0.62	~9	100/390	2700
NTC12D-7	12	1	0.82	~9	82/330	2700
NTC16D-7	16	0.7	1.00	~9	82/330	2800
NTC20D-7	20	0.6	1.1	~9	82/330	2800
NTC22D-7	22	0.6	1.1	~9	68/270	2800
NTC33D-7	33	0.5	1.49	~9	68/270	2950
NTC3D-9	3	4	0.12	~11	220/820	2600
NTC5D-9	5	3	0.21	~11	220/820	2700
NTC6D-9	6	2	0.32	~11	220/820	2700
NTC8D-9	8	2	0.40	~11	150/560	2700
NTC10D-9	10	2	0.46	~11	150/560	2700
NTC12D-9	12	1	0.66	~11	150/560	2800
NTC15D-9	15	1	0.80	~11	150/560	2800
NTC16D-9	16	1	0.80	~11	82/330	2800
NTC20D-9	20	1	0.88	~11	82/330	2800
NTC22D-9	22	1	0.95	~11	82/330	2950
NTC33D-9	33	1	1.12	~11	68/270	2950
NTC50D-9	50	1	1.25	~11	68/270	2950
NTC100D-9	100	0.8	3.02	~11	68/270	3200
NTC120D-9	120	0.8	3.02	~11	68/270	3200	-40~+175
NTC2.5D-11	2.5	5	0.10	~14	680/2700	2700
NTC3D-11	3	5	0.10	~14	680/2700	2700
NTC5D-11	5	4	0.16	~14	470/1800	2700
NTC8D-11	8	3	0.25	~14	470/1800	2800
NTC10D-11	10	3	0.28	~14	220/820	2800
NTC12D-11	12	2	0.46	~14	220/820	2800
NTC15D-11	15	2	0.47	~14	150/560	2800
NTC16D-11	16	2	0.47	~14	150/560	2800
NTC20D-11	20	2	0.51	~14	100/390	2950
NTC22D-11	22	2	0.56	~14	100/390	2950
NTC33D-11	33	1.5	0.67	~14	100/390	2950
NTC47D-11	47	1.5	1.02	~14	100/390	2950
NTC50D-11	50	1.5	1.02	~14	100/390	2950

Technical Specifications (Continued)

Model	Max. Steady State Current (A)	Resistance @ 25C ()	Dissipation Factor (mW/C)	Thermal Time Constant (s)	Max. Allowable Capacity (240V/120V)	B Value (K)	Operating Temperature (C)
NTC1.5D-13	1.5	6.5	0.085	~15	680/2700	2600
NTC2.5D-13	2.5	6	0.088	~15	680/2700	2600
NTC3D-13	3	6	0.092	~15	680/2700	2600
NTC4.7D-13	4.7	5	0.12	~15	680/2700	2700
NTC5D-13	5	5	0.125	~15	680/2700	2700
NTC8D-13	8	4	0.194	~15	330/1200	2800
NTC10D-13	10	4	0.206	~15	330/1200	2800
NTC16D-13	16	3	0.335	~15	220/820	2800
NTC18D-13	18	3	0.372	~15	220/820	2800
NTC20D-13	20	3	0.372	~15	220/820	2800
NTC30D-13	30	2.5	0.517	~15	150/560	2950
NTC47D-13	47	2	0.81	~15	150/560	2950
NTC1.3D-15	1.3	8	0.052	~18	820/3300	2600
NTC1.5D-15	1.5	8	0.071	~18	820/3300	2600
NTC2.5D-15	2.5	8	0.071	~18	820/3300	2600
NTC3D-15	3	7	0.075	~18	820/3300	2600
NTC5D-15	5	6	0.112	~18	680/2700	2800
NTC7D-15	7	5	0.173	~18	680/2700	2800	-40~+200
NTC8D-15	8	5	0.178	~18	680/2700	2950
NTC10D-15	10	5	0.18	~18	560/2200	2950
NTC15D-15	15	4	0.268	~18	560/2200	2950
NTC16D-15	16	4	0.268	~18	560/2200	2950
NTC18D-15	18	4	0.288	~18	330/1200	2950
NTC20D-15	20	4	0.288	~18	220/820	2950
NTC30D-15	30	3.5	0.438	~18	220/820	2950
NTC47D-15	47	3	0.68	~18	220/820	3200
NTC50D-15	50	3	0.72	~18	220/820	3200
NTC1.3D-20	1.3	9	0.037	~24	820/3300	2600
NTC1.5D-20	1.5	9	0.037	~24	820/3300	2600
NTC2.5D-20	2.5	8	0.049	~24	820/3300	2700
NTC3D-20	3	8	0.055	~24	820/3300	2700
NTC5D-20	5	7	0.087	~24	820/3300	2800
NTC8D-20	8	6	0.142	~24	820/3300	2950
NTC10D-20	10	6	0.162	~24	820/3300	2950
NTC16D-20	16	5	0.212	~24	820/3300	3200
NTC20D-20	20	4	0.231	~24	820/3300	3200

Electrical Characteristics

Item	Specification	Test Conditions & Methods
Rated Zero-Power Resistance RN ()	RN20%	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 change of NTC thermistor.
Material Constant B	B=T1T2/( T2- T1) x Ln(R1/R2) R1, R2 is zero-power resistance at T1, T2 T1=298.15K(25C) T2 = 323.15 K(50C)
Max. Steady State Current (A)		ambient temperature:25C2C

Reliability Test

Item	Specification	Test Conditions & Methods
Strength of lead terminal	No break out AR/RN <20% (AR = \|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 90slowly 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)
Temp. Cycling Testing	No visible mechanical damage. AR/RN 20% (AR =\| RN-RN' \|)	Ta:-40+3C/ 30min25+2C/ 5minTb:2003C/30min252C/ 5min Cycles: 5times After recovering 4~5 h under 252C, the rated zero power resistance value RN shall be measured.
Load Test	No visible mechanical damage. AR/RN 20% (AR =\| RN-RN' \|)	Testing Time: min 100h

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Company Info.

Changsha Purple Horn E-Commerce Co., Ltd.

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RUILON NTC33D-7

RUILON NTC33D-7

RUILON NTC33D-7

Negative Temperature Coefficient Resistor NTC Series

Product Type

Series

Technical Specifications

Technical Specifications (Continued)

Electrical Characteristics

Reliability Test

RUILON NTC33D-7

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