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RUILON NTC2.5D-11

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RUILON NTC2.5D-11

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Model Number :	NTC2.5D-11

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RUILON NTC2.5D-11

Negative Temperature Coefficient Resistor (NTC Series)

The NTC Series Negative Temperature Coefficient Resistors are thermistors whose resistance changes with ambient temperature. They are comprised of 2 or 4 kinds of metal oxides (iron, nickel, cobalt, manganese, copper) shaped and sintered at high temperatures (1200 to 1500).

Features:

Small size, large power, strong capacity of suppression of inrush current
Fast response
Big material constant (B value), small residual resistance
Long life and high reliability
Complete series, wide applications

Applications:

Switching power-supply, switch power, UPS power
Electronic energy-saving lamps, electronic ballast, and all kinds of electric heaters
All kinds of RT, displays
Bulbs and other lighting lamps

Part Number Code Structure

Materials: Wrapper: Modified phenolic resin, Down-lead: CP Wire, Coating color: Black

Format: 1 - 3 D 1 C T N

Example: NTC5D-5 (Diameter of Chip: 13, Resistance Value: 10)

Storage Condition

Temperature: -10+40

Humidity: 70%RH

Term: 12 months (First-in/First-out)

Place Restrictions

Avoid exposure to corrosive/deoxidizing gas, flammable/explosive gases, oil, water, chemical liquid, and direct sunlight.

Usage Notes

Do not exceed Imax, rated temperature range, or operate with inferior thermal dissipation to prevent damage or fire.

Model	R25 ()	Max. steady State current (A)	Residual Resistance ()	Dissipation factor (mW/)	Thermal time Constant (s)	Max. allowable capacity value 240V/120V (F)	B (K)	Operating Temperature ()
NTC5D-5	5	1	0.35	6	20	150/560	2700	-40~+150
NTC8D-5	8	0.7	0.77	6	20	100/390	2700	-40~+150
NTC10D-5	10	0.7	0.77	6	20	68/270	2700	-40~+150
NTC20D-5	20	0.5	0.997	6	20	39/150	2800	-40~+150
NTC33D-5	33	0.5	1.88	6	20	39/150	2950	-40~+150
NTC5D-7	5	2	0.28	9	30	100/390	2700	-40~+150
NTC8D-7	8	1	0.54	9	30	100/390	2700	-40~+150
NTC10D-7	10	1	0.62	9	30	100/390	2700	-40~+150
NTC12D-7	12	1	0.82	9	30	82/330	2700	-40~+150
NTC16D-7	16	0.7	1.00	9	30	82/330	2800	-40~+150
NTC20D-7	20	0.6	1.11	9	30	82/330	2800	-40~+150
NTC22D-7	22	0.6	1.11	9	30	68/270	2800	-40~+150
NTC33D-7	33	0.5	1.49	9	30	68/270	2950	-40~+150
NTC3D-9	3	4	0.12	11	35	220/820	2600	-40~+175
NTC5D-9	5	3	0.21	11	35	220/820	2700	-40~+175
NTC6D-9	6	2	0.32	11	35	220/820	2700	-40~+175
NTC8D-9	8	2	0.40	11	35	150/560	2700	-40~+175
NTC10D-9	10	2	0.46	11	35	150/560	2700	-40~+175
NTC12D-9	12	1	0.66	11	35	150/560	2700	-40~+175
NTC15D-9	15	1	0.80	11	35	150/560	2800	-40~+175
NTC16D-9	16	1	0.80	11	35	82/330	2800	-40~+175
NTC20D-9	20	1	0.88	11	35	82/330	2800	-40~+175
NTC22D-9	22	1	0.95	11	35	82/330	2800	-40~+175
NTC33D-9	33	1	1.12	11	35	68/270	2950	-40~+175
NTC50D-9	50	1	1.25	11	35	68/270	2950	-40~+175
NTC100D-9	100	0.8	3.02	11	35	68/270	3200	-40~+175
NTC120D-9	120	0.8	3.02	11	35	68/270	3200	-40~+175
NTC2.5D-11	2.5	5	0.10	14	50	680/2700	2700	-40~+150
NTC3D-11	3	5	0.10	14	50	680/2700	2700	-40~+150
NTC5D-11	5	4	0.16	14	50	470/1800	2700	-40~+150
NTC8D-11	8	3	0.25	14	50	470/1800	2800	-40~+150
NTC10D-11	10	3	0.28	14	50	220/820	2800	-40~+150
NTC12D-11	12	2	0.46	14	50	220/820	2800	-40~+150
NTC15D-11	15	2	0.47	14	50	150/560	2800	-40~+150
NTC16D-11	16	2	0.47	14	50	150/560	2800	-40~+150
NTC20D-11	20	2	0.51	14	50	100/390	2950	-40~+150
NTC22D-11	22	2	0.56	14	50	100/390	2950	-40~+150
NTC33D-11	33	1.5	0.67	14	50	100/390	2950	-40~+150
NTC47D-11	47	1.5	1.02	14	50	100/390	2950	-40~+150
NTC50D-11	50	1.5	1.02	14	50	100/390	2950	-40~+150
NTC1.5D-13	1.5	6.5	0.085	15	68	680/2700	2600	-40~+200
NTC2.5D-13	2.5	6	0.088	15	68	680/2700	2600	-40~+200
NTC3D-13	3	6	0.092	15	68	680/2700	2600	-40~+200
NTC4.7D-13	4.7	5	0.12	15	68	680/2700	2700	-40~+200
NTC5D-13	5	5	0.125	15	68	680/2700	2700	-40~+200
NTC8D-13	8	4	0.194	15	68	330/1200	2800	-40~+200
NTC10D-13	10	4	0.206	15	68	330/1200	2800	-40~+200
NTC16D-13	16	3	0.335	15	68	220/820	2800	-40~+200
NTC18D-13	18	3	0.372	15	68	220/820	2800	-40~+200
NTC20D-13	20	3	0.372	15	68	220/820	2800	-40~+200
NTC30D-13	30	2.5	0.517	15	68	150/560	2950	-40~+200
NTC47D-13	47	2	0.81	15	68	150/560	2950	-40~+200
NTC1.3D-15	1.3	8	0.052	18	86	820/3300	2600	-40~+150
NTC1.5D-15	1.5	8	0.071	18	86	820/3300	2600	-40~+150
NTC2.5D-15	2.5	8	0.071	18	86	820/3300	2600	-40~+150
NTC3D-15	3	7	0.075	18	86	820/3300	2600	-40~+150
NTC5D-15	5	6	0.112	18	86	680/2700	2800	-40~+150
NTC7D-15	7	5	0.173	18	86	680/2700	2800	-40~+150
NTC8D-15	8	5	0.178	18	86	680/2700	2950	-40~+150
NTC10D-15	10	5	0.18	18	86	560/2200	2950	-40~+150
NTC15D-15	15	4	0.268	18	86	560/2200	2950	-40~+150
NTC16D-15	16	4	0.268	18	86	560/2200	2950	-40~+150
NTC18D-15	18	4	0.288	18	86	330/1200	2950	-40~+150
NTC20D-15	20	4	0.288	18	86	220/820	2950	-40~+150
NTC30D-15	30	3.5	0.438	18	86	220/820	2950	-40~+150
NTC47D-15	47	3	0.68	18	86	220/820	3200	-40~+150
NTC50D-15	50	3	0.72	18	86	220/820	3200	-40~+150
NTC1.3D-20	1.3	9	0.037	24	113	820/3300	2600	-40~+150
NTC1.5D-20	1.5	9	0.037	24	113	820/3300	2600	-40~+150
NTC2.5D-20	2.5	8	0.049	24	113	820/3300	2700	-40~+150
NTC3D-20	3	8	0.055	24	113	820/3300	2700	-40~+150
NTC5D-20	5	7	0.087	24	113	820/3300	2800	-40~+150
NTC8D-20	8	6	0.142	24	113	820/3300	2950	-40~+150
NTC10D-20	10	6	0.162	24	113	820/3300	2950	-40~+150
NTC16D-20	16	5	0.212	24	113	820/3300	3200	-40~+150
NTC20D-20	20	4	0.231	24	113	820/3300	3200	-40~+150

Mechanical Characteristics	Specification	Test Conditions & Methods
Solder-ability	The terminals shall be uniformly tinned, and its area95%	Dipping the NTC terminals to a depth of 15mm in a soldering bath of 240-245 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. R/RN 20% (R =RN-RN')	Dipping the NTC terminals to a depth of 15mm in a soldering bath of 2655 and to the place for 6mm below from NTC body for 101s. After recovering 4-5h under 252. The rated zero power resistance value RN' shall be measured. (See IEC68-2-20 /GB2423.28 Tb)
Strength of lead terminal	No break out R/RN 20% (R =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 252, the rated zero power resistance value RN' shall be measured. (See IEC68-2-21/GB2423.29 Ua / Ub)

Electrical Characteristics	Specification	Test Conditions & Methods
Rated Zero-Power Resistance RN ()	RN20%	Ambient temp. Range:252(TA). Testing voltage: 1.5VDC After placing for 1~2 hours under TA, the resistance value shall be measured
Thermal Dissipation Constant (mW/)	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( shall be measured within which the temperature change of NTC thermistor is reached at 63.2% of the ambient temperature change under zero power condition
Material Constant B	B=T1T2/( T2- T1) Ln (R1/R2) R1 , R2 is zero-power resistance at T1 , T2 T1 = 298.15 K(25) T2 = 323.15 K(50)
Max. Steady State Current (A)	visible mechanical damage. RN / RN 20% (R =RN-RN')	ambient temperature:252 Testing Time: min 100h

Reliability Test Item	Specification	Test Conditions & Methods
Temp. Cycling Testing	No visible mechanical damage. RN / RN 20% (R =RN-RN')	Ta:-403/ 30min252/ 5minTb:2003/30min 252/ 5min Cycles: 5times After recovering 4~5 h under 252, the rated zero power resistance value RN' shall be measured.
Electrical Cycling Testing	No visible mechanical damage. RN / RN 20% (R =RN-RN')	Ambient temp. Range:252. Cycles: 1,000times On / Off: 1m / 5m Test Current: 6.0A After recovering 4~5h under 252, the rated zero power resistance value RN' shall be measured.
LoadLife ( Endurance ) Testing	No visible mechanical damage. RN / RN 20% (R =RN-RN')	Ambient temp. Range:252; 6.0A/ 1,00024h After recovering 4~5 h under 252, the rated zero power resistance value RN' shall be measured.
Humidity Testing	No visible mechanical damage. RN / RN 20% (R =RN-RN')	Ambient temp. range : 402,R.H.:933% , Energized time:100024 h After recovering 4~5 h under 252, the rated zero power resistance value RN' shall be measured

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RUILON NTC2.5D-11

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