Sanyo Seimitsu, Inc.1771 Nakamaruko, Maruko City, Nagano Prefecture, Japan
Page 1 of 6
Specifications:
Stepping Motor T8LNP-60
1. Product Description
Model Number: Stepping Motor T8LNP-60
2. Motor Characteristics
Electrical Characteristics
[Measurement Conditions]
Motor Configuration: Horizontal output shaft
Temperature/Humidity: Measurement is, in principle, performed at -10C~50C and rel-
ative humidity of 30~90%. If in doubt, use the JIS standard temperature state (25 2C,
65 5%).
Standard Drive Circuit: LB1836M (Sanyo)
Item
Content
Notes
Model
PM-Type Stepping Motor
No. of Phases
2
Number of Magnetic
Poles Applied to Rotor
10
Basic Step Angle
18 (2-phase excitation)
Rated Voltage
DC 6.5V
Excitation Method
2-phase bipolar excitation
Coil Resistance
60 10%/Phase
25C conversion value
Insulation Class
E Class 115C
Insulation Resistance
At least 10M at 50V DC
Insulation Resistance
1 min. at 50V AC
Coil Inductance
10.5mH/Phase 20% (Refer-
ence value)
(at 1KHz, 1Vrms)
Temperature 25 2C
Humidity 65 5%
Sanyo Seimitsu, Inc.1771 Nakamaruko, Maruko City, Nagano Prefecture, Japan
Page 2 of 6
Specifications:
Stepping Motor T8LNP-60
Mechanical Characteristics
Item
Content
Notes
Motor Configuration
Omnidirectional
Usage Temperature/
Humidity Range
20~70C
Storage Temperature
Range
40~80C
(Standard temperature of 20C
and relative humidity of 65%
assumed)
Rotation Direction
Bi-directional Rotation
The sequence is shown in the
diagram on Page 6.
Rotor Inertia
0.0093gcm
2
Calculated Value
Pull-in Torque
At least 0.30mN m
V = 6.5V, (between the motor
terminals)
2-phase excitation, 500pps
Maximum Response
Frequency
At least 2000pps (zero load)
V = 6.5V, (between the motor
terminals)
Maximum Actuation Fre-
quency
At least 1000pps (zero load)
2-phase excitation
Holding Torque
At least 0.6mN m
Temperature 25 2C
Humidity 65 5%
V=5.0V, (between the motor ter-
minals) 2-phase excitation
Detent Torque
Less than 0.20mN m
Noise
Less than 55dB
V = 6.5V, (between the motor
terminals)
2-phase excitation, 500pps
Measurement Environment
In an environment with a noise
level of less than 25dB, set a
noise measurement device
equipped with a photocoupler to
the A range, then perform mea-
surement with a distance of
1cm from the photocoupler to
the motor.
Vibration
Less than 6.0m/s
2
V = 6.5V, (between the motor
terminals)
Sanyo Seimitsu, Inc.1771 Nakamaruko, Maruko City, Nagano Prefecture, Japan
Page 3 of 6
Specifications:
Stepping Motor T8LNP-60
Reliability
Item
Conditions/Test
Environment
Determination Standard
Operation Lifetime
Testing
10C: 20,000 rotations
Room Temperature: 30, 000 rota-
tions
50C: 20,000 rotations
Operation.
Filter: Open Closed
Assumes a 2 second rest.
Perform testing at the conditions at
left with the actual device provided
by Sanyo Electric.
After testing, the determination
standards table should be satisfied.
Thermal Shock Test
Performed for 100 cycles with a pat-
tern of -20C: 30 minutes, 60C: 30
minutes.
Should satisfy the determinations
standards table after 1 hour or more
placement at normal temperature
and humidity.
Low Temperature
Testing
Temperature: -40 2C
Storage Time: 72 Hours
Should satisfy the determinations
standards table after 1 hour or more
placement at normal temperature
and humidity.
High Temperature
Testing
Temperature: 80 2C
Storage Time: 168 Hours
Should satisfy the determinations
standards table after 1 hour or more
placement at normal temperature
and humidity.
Humidity Resistance
Testing
Temperature: 40 2C
Humidity: 90%
Placement Time: 168 Hours
Should satisfy the determinations
standards table after 1 hour or more
placement at normal temperature
and humidity.
Temperature Charac-
teristics Testing
Temperature: -20 2C
70C: 2
Placement Time: 5 Hours
Should satisfy the determination
standards table under the environ-
ment at left.
Vibration Testing
Fix the motor to a jig
No. of Vibrations: 1000 c.p.m.
Amplitude: 3mm
Direction: X, Y, Z
Time: 30 minutes in each direction
Should satisfy the determination
standards table.
Drop Testing
With the motor in its smallest pack-
aging state, perform a free-fall drop
once onto each of the six sides onto
a concrete bed from a height of
80cm.
Should satisfy the determination
standards table.
Solder Temperature
Resistance
On the input terminals:
Temperature: 350 C
Time: 3 sec.
Solder Type: 60% eutectic solder
Should satisfy the determination
standards table.
Solderability
On the input terminals:
Temperature: 230 5C
Time: 5 sec.
Solder Type: 60% eutectic solder
Should be covered by at least 95%
new solder.
The flux should be a rosin-type.
Sanyo Seimitsu, Inc.1771 Nakamaruko, Maruko City, Nagano Prefecture, Japan
Page 4 of 6
Specifications:
Stepping Motor T8LNP-60
Reliability Determination Standards Table
*Note: Reliability Determination Standard 1 is determined by 5 samplings where AC = 0 and RE = 1.
Reliability Item
1 Op
erat
ion
Li
fe
ti
me
T
est
ing
2 T
h
e
rm
al
Sho
ck T
est
3 Lo
w
Te
m
p
e
r
a
t
u
r
e
T
est
ing
4 High
Te
m
p
e
r
a
t
u
r
e
T
est
ing
5 Humid
i
t
y
Re
sist
a
n
ce
T
est
ing
6 T
e
mper
atu
r
e
Chara
c
t
e
rist
ic
s
T
est
ing
7 V
i
brat
ion
T
est
ing
8 Drop
T
est
ing
9 Solder
T
e
mp
era
t
u
r
e
Re
sist
a
n
ce
Number
Chara
c
t
e
rist
ic
It
em
7
Pull-in
Torque
1
Coil Resis-
tance
NA
NA
NA
NA
NA
NA
NA
NA
3
Insulation
Resistance
NA
NA
NA
NA
NA
NA
NA
NA
8
Maximum
Response
Frequency
9
Maximum
Actuation
Frequency
Sanyo Seimitsu, Inc.1771 Nakamaruko, Maruko City, Nagano Prefecture, Japan
Page 5 of 6
Specifications:
Stepping Motor T8LNP-60
Sanyo Seimitsu, Inc.1771 Nakamaruko, Maruko City, Nagano Prefecture, Japan
Page 6 of 6
Specifications:
Stepping Motor T8LNP-60
2.1654
0.4921
0
.4921
1
32
0.3937
1.0827
0.7874
0
.9843
1
.5748
0.7874
2.6575
0.7874
1.5748
General Specs.
Parts
Code
Approved
Engineering
Yagi
Reviewed
Engineering
Kinoshita
Checked
Engineering
Matsubara
Drafted
Engineering
Engineering
Designed
Ichikawa
Shin
Ichikawa
Shin
Device Name
Dimetric
Projection
Scale
General Tolerance
User Code
(Motor Outer
Diameter)
(Brush Diameter)
(Br
u
sh Hei
g
h
t
)
(
G
ear Height)
User Code
Print Position
Lot Number
Print Position
Support Plate
Lot No. Print Position
The Lot No. is displayed on the inner side of the motor terminal
The Lot No. Print Color: Black
The Lot No. Print Method
Day of Manufacture
(1=1 ~ 9=9, 10 = A, 11=B~31=V)
Month Display
(Jan.~Sep.=1~9, Oct.~Dec. = X, Y, Z)
Shows the last number of the western calendar year
(2002=2, 2003=3)
Note)
1. There should be no burrs on the
gear teeth
2. The gear teeth should be
32
3. The gear pull-out strength
should be at least 30.0N
4. The maximum shaft thrust play
is 0.3
5. There should be no obvious
deformation or damage in the
motor appearance.
6. The FPC should be attached at
delivery and the dimensions
should be according to the FPC
drawing (T06062200)
User Code Print Position
The user code is positioned 90 from the motor terminal
Print Color: Black
User Code Display Method: B06
Note
History
Date
Name
Based on FM014300 7/4/02
Ichikawa (Shin)
Note Changes
11/11/02 Ichikawa (Shin)
1
Gear Specifications
Gear Tooth Type
Involute
To
o
l
Gear Shape
Parallel
Module
0.25
Pressure Angle
20
No. of Teeth
10
Standard Pitch
Diameter
2.5
Outer Diameter
Head Gap
Gear Constant
0.3
Rotation
Displacement
3.14
+0.02
-0.05
1.193
0.0
-0.06
Displacement
Count
2
Tooth Bottom
Diameter
2.025
Tooth Bottom R
(0.375m)
Material
C3604BD
Precision
JIS Class 5
Gear Specifications
Sequence
CW viewed from the output shaft during the above
excitation
FPC
No.
Terminal
No.
Step
1
2
3
4
#2
@
+
-
-
+
#3
A
-
-
+
+
#4
B
-
+
+
-
#5
C
+
+
-
-
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