TM-7EW [NIDEC]
3 TURNS CERMET TRIMMERS;
| 型号： | TM-7EW |
| 厂家： | 
NIDEC COMPONENTS |
| 描述： | 3 TURNS CERMET TRIMMERS |
| 文件： | 总4页 (文件大小：277K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
3 TURNS CERMET TRIMMERS TM-7
INTERNAL STRUCTURE
RoHS compliant
!
0
1
2
9
8
7
3
4
5
6
Part name
Material
Flammability
■
FEATURES
Shaft
Zinc alloy, Nickel-plated
Silicone rubber
Multi metal alloy
Ceramic
1
2
3
4
5
6
7
8
9
!
ꢀꢁRoHS compliant
ꢀꢁFine setting is possible
ꢀꢁExtremely small backlash (In house comparison)
Rubber cushion
Wiper
—
Base element
Adhesive
Epoxy
UL94V-0
—
Terminal pin
Resistive element
Electrode
Copper, Tin-plated
RuO2 cermet
Ag-Pd cermet
Polyamide
Rotor gear
Housing
UL94HB
UL94V-0
Polybutyleneterephthalate
0
■
PART NUMBER DESIGNATION
T M - 7 E P 5 0 k Ω ( 5 0 3 )
Series name
Resistance code
Terminal pin
Resistance value
E：Sn (Lead-free)
Product shape
P
W
：
：
Top adjustment
Top adjustment
S
X
：
Side adjustment
：Side adjustment
※ Please refer to the LIST OF PART NUMBERS when placing orders.
TM-7
CERMET TRIMMERS
<Nominal resistance values>
■
LIST OF PART NUMBERS
50 ꢀ
100 ꢀ
200 ꢀ
500 ꢀ
1 kꢀ
2 kꢀ
5 kꢀ
10 kꢀ
Form of packaging
Adjustment
position
Shape of terminal
(Top view)
Pieces in
package
20 kꢀ
50 kꢀ
100 kꢀ
200 kꢀ
500 kꢀ
1 Mꢀ
2 Mꢀ
Plastic bag
TM-7EP
Fig. 1
2
Top adjustment
※The above part numbers are all available as the standard item respectively
with the combination of <Nominal resistance values> (Fig. 1).
※Verify the above part numbers when placing orders.
1
1
3
3
2
2
TM-7EW
TM-7ES
50 pcs./pack
1
3
3
1
Side adjustment
(
↑ Adjustment
direction)
TM-7EX
2
■
ELECTRICAL CHARACTERISTICS
■
MECHANICAL CHARACTERISTICS
Mechanical turn
Operating torque
Mechanical stop
Rotational life
3 turns
Nominal resistance range
Resistance tolerance
Power ratings
50 ꢀ ~ 2 Mꢀ
20 mN·m {204 gf·cm} maximum
Clutch action
10 %
0.5 W (70 °C) 0 W (120 °C)
（B）Linear law
200 cycles ΔR/R ≦ (2 ꢀ +3 %)
10 N {1.02 kgf} minimum
Terminal strength
Thrust to shaft
Solderability
Resistance law
（
Tensile strength）
10 N {1.02 kgf} minimum
245 3 °C, 2 ~ 3 s
Maximum input voltage
Maximum wiper current
Effective electrical turn
End resistance
DC300 V or power rating, whichever is smaller
100 mA or power rating, whichever is smaller
2.5 turns
{
}：Reference only
■
ENVIRONMENTAL CHARACTERISTICS
1 % or 2 ꢀ, whichever is greater
1 % or 3 ꢀ, whichever is greater
−55 ~ 120 °C
Test item
Test conditions
Specifications
[ΔR/R ≦ 1 %]
[S.S. ≦ 1 %]
C.R.V.
−65 ~ 125 °C (0.5 h), 5 cycles
Thermal shock
Humidity
−10 ~ 65 °C (80 ~ 98 %),
[ΔR/R ≦ 2 %]
Operating temp. range
Temp. coefficient
Insulation resistance
Dielectric strength
Net weight
10 cycles, 240 h
981 m/s2, 6 ms
Shock
6 directions for 3 times each
100 10-6/°C maximum
[ΔR/R ≦ 1 %]
[S.S. ≦ 1 %]
(Amplitude) 1.52 mm or
(Acceleration) 196 m/s2,
Vibration
10 ~ 2000 Hz, 3 directions, 12 times each
1000 Mꢀ minimum (DC500 V)
AC900 V, 60 s
[ΔR/R ≦ 3 %]
[S.S. ≦ 1 %]
[ΔR/R ≦ 2 %]
[S.S. ≦ 2 %]
Load life
70 °C, 0.5 W, 1000 h
−55 °C, 2 h
Low temp. operation
High temp. exposure
Immersion seal
Approx. 0.50 g (TM-7EP, EW)
Approx. 0.69 g (TM-7ES, EX)
[ΔR/R ≦ 3 %]
[S.S. ≦ 2 %]
120 °C, 250 h
85 °C, 60 s
No leaks (No continuous bubbles)
Flow
260 3 °C, 5 ~ 6 s, two times maximum
Manual soldering
380 10 °C, 3 ~ 4 s
Soldering heat
[ΔR/R ≦ 1 %]
Δ R/R：Change in total resistance
S.S. ：Setting stability
TM-7
CERMET TRIMMERS
■
MAXIMUM INPUT RATINGS
Nominal resistance values (ꢀ)
Maximum wiper current (mA)
Resistance code
Maximum input voltage (V)
50
500
101
201
501
5.00
7.07
10.0
15.8
100
70.7
50.0
31.6
100
200
500
1 k
2 k
102
202
502
103
203
503
22.4
31.6
50.0
70.7
100
22.4
15.8
10.0
7.07
5.00
3.16
5 k
10 k
20 k
50 k
158
100 k
200 k
500 k
1 M
104
204
504
105
205
224
300
300
300
300
2.24
1.50
0.60
0.30
0.15
2 M
■
OUTLINE DIMENSIONS
Unless otherwise specified, tolerance: 0.3 (Unit: mm)
ꢀꢁTM-7EP
Top adjustment
1
3
6.9
72
2.5 2.5
CW rotation
2.5, Slot 0.6 W × 0.7 D
0.3
φ
2
2
Lead-free Identification mark
φ
3
1
φ
3 – 0.45
Resistance code & Production date code
ꢀꢁTM-7EW
Top adjustment
6.9
72
1.8
1.8
Lead-free Identification mark
φ
2.5, Slot 0.6 W × 0.7 D
0.3
2
φ
3
★ Pin pitch in W type is
different from P type.
1
Resistance code & Production date code
φ
3 – 0.45
ꢀꢁTM-7ES
φ
2.5, Slot 0.6 W × 0.7 D
Resistance code & Production date code
+0.4
Side adjustment
7.2
–0.1
1
Lead-free Identification mark
2.5 2.5
2
3
φ
3 – 0.45
TM-7
CERMET TRIMMERS
■
OUTLINE DIMENSIONS
Unless otherwise specified, tolerance: 0.3 (Unit: mm)
ꢀꢁTM-7EX
Resistance code & Production date code
Side adjustment
1
3
+0.4
–0.1
7.2
φ
2.5, Slot 0.6 W × 0.7 D
CW rotation
2
2
2.5 2.5
Lead-free Identification mark
3
1
φ
3 – 0.45
★ Pin position & shaft position of X type are different from S type.
■
PACKAGING SPECIFICATIONS
<Bulk pack specifications>
ꢀꢁUnit of bulk in a plastic bag is 50 pcs. per pack.
ꢀꢁBoxing of bulk in a plastic bag is performed with 200
pcs. per box.
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