Trimmer potentiometer TM-7｜NIDEC COMPONENTS (SINGAPORE) PTE. LTD.

Trimmer potentiometer TM-7

TM-7

TM-7

●To buy this product, please go to the following Online Web stores.

3 turns Cermet Trimmers

FeaturesFeatures

Fine setting is possible
Extremely small backlash (In house comparison)
In this series, material data sheets ideal for REACH-SVHC
surveys etc. can be downloaded in chemSHERPA-AI format.
Download chemSHERPA-AI from the list of P/N below

Electrical Characteristics

Power ratings	0.5 W (70 °C) 0 W (120 °C)
Nominal resistance range	50 Ω ~ 2 MΩ
Resistance tolerance	± 10 %
Resistance law	Linear law（B）
Maximum input voltage	DC300 V or power rating, whichever is smaller
Maximum wiper current	100 mA or power rating, whichever is smaller
Effective electrical turn	2.5 turns
End resistance	1 % or 2 Ω , whichever is greater
C.R.V.	1 % or 3 Ω , whichever is greater
Operating temp. range	−55 ~ 120 °C
Temp. coefficient	± 100 10-6/°C maximum
Insulation resistance	1000 MΩ minimum (DC500 V)
Dielectric strength	AC900 V, 60 s
Net weight	Approx. 0.50 g (TM-7EP, EW) Approx. 0.69 g (TM-7ES, EX)

Mechanical Characteristics

Mechanical turn	3 turns
Operating torque	20 mN·m {204 gf·cm} maximum
Mechanical stop	Clutch action
Rotational life	200 cycles ΔR/R ≦ ± (2 Ω +3 %)
Terminal strength	10 N {1.02 kgf} minimum（Tensile strength）
Thrust to shaft	10 N {1.02 kgf} minimum
Solderability	245 ± 3 °C, 2 ~ 3 s

{ }：Reference only

Environmental Characteristics

Test item	Test conditions	Specifications
Shock	981 m/s2, 6 ms 6 directions for 3 times each	[ΔR/R ≦ 1 %] [S.S. ≦ 1 %]
Thermal shock	−65 ~ 125 °C(0.5 h), 5 cycles	[ΔR/R ≦ 1 %] [S.S. ≦ 1 %]
Humidity	−10 ~ 65 °C ( Relative humidity 80 ~ 98 %),10 cycles, 240 h	[ΔR/R ≦ 2 %]
Vibration	Amplitude 1.52 mm or Acceleration 196 m/s2, 10 ~ 2000 Hz, 3 directions, 12 times each	[ΔR/R ≦ 1 %] [S.S. ≦ 1 %]
Load life	70 °C, 0.5 W, 1000 h	[ΔR/R ≦ 3 %] [S.S. ≦ 1 %]
Low temp. operation	−55 °C, 2 h	[ΔR/R ≦ 2 %] [S.S. ≦ 2 %]
High temp. exposure	120 °C, 250 h	[ΔR/R ≦ 3 %] [S.S. ≦ 2 %]
Immersion seal	85 °C, 60 s	No leaks (No continuous bubbles)
Soldering heat	Flow soldering :260 ± 3 °C, 5 ~ 6 s, two times maximum Manual soldering : 380 ± 10 °C, 3 ~ 4 s	[ΔR/R ≦ 1 %]

Δ R/R：Change in total resistance S.S. ：Setting stability

Maximum Input Ratings

Nominal resistance values (Ω)	Resistance code	Maximum input voltage(V)	Maximum wiper current(mA)
50	500	5.00	100
100	101	7.07	70.7
200	201	10.0	50.0
500	501	15.8	31.6
1k	102	22.4	22.4
2k	202	31.6	15.8
5k	502	50.0	10.0
10k	103	70.7	7.07
20k	203	100	5.00
50k	503	158	3.16
100k	104	224	2.24
200k	204	300	1.50
500k	504	300	0.60
1M	105	300	0.30
2M	205	300	0.15

Part Number Designation

TM-7	E	P	50 kΩ (503)
Series	Terminal pin E: Sn (Lead-free)	Terminal shape (Adjust Pos.)^※1 P: W: S: X: Through hole (Top adjustment) Through hole (Top adjustment) Through hole (Side adjustment) Through hole (Side adjustment)	Resistance value (Resistance code)

※1)

For the details on each product shape, refer to the following table and Outline Dimensions.

Nominal resistance values	50 Ω, 100 Ω, 200 Ω, 500 Ω, 1 kΩ, 2 kΩ, 5 kΩ, 10 kΩ, 20 kΩ, 50 kΩ, 100 kΩ, 200 kΩ, 500 kΩ, 1 MΩ, 2 MΩ

When ordering, please be sure to include the above nominal resistance value at the end of the part number in the table list below. For resistance code, please refer to the Maximum Input Ratings table in the previous section.

List of Part Numbers

CAD and chemSHERPA-AI (a material data sheet ideal for REACH surveys, etc. / version: 2.09.00) can be downloaded from the button for each P/N in the table below. *Need to log in to download.

Part No.	Product shape	Form of packaging	Pieces in package	Material data	CAD
TM-7EP	Top adjustment	Through hole	50 pcs./pack	chemSHERPA-AI (Ver.2.09.00)	2D / 3D CAD(Any format)
TM-7EW	Top adjustment	Through hole	50 pcs./pack	chemSHERPA-AI (Ver.2.09.00)	2D / 3D CAD(Any format)
TM-7ES	Side adjustment	Through hole	50 pcs./pack	chemSHERPA-AI (Ver.2.09.00)	2D / 3D CAD(Any format)
TM-7EX	Side adjustment	Through hole	50 pcs./pack	chemSHERPA-AI (Ver.2.09.00)	2D / 3D CAD(Any format)