Rev. 1.00
- 42 -
SRP-275II
3-3-10 Printer Head Specification
Item
Description
Remark
Model N09-15KS
Type : Ballistic type (Free fight)
Number of wire : 9pins
Dot pitch : 0.352 (1/72”)
Specification
Dot wire diameter : 0.28mm (0.01”)
Resistance : 22
Ω
± 1.5
Ω
(at 20 )
℃
Inductance : 4.2mH ± 10% open circuit (at 1000Hz, 1VRMS)
Temperature rate : 155
℃
Solenoid coil
Insulation resistance : 20M
Ω
with 500V/DC
Type : Constant voltage
Voltage : 24VDC±5% (Normal) (At printer head)
Current : 1.3A
Driver circuit
Pulse : 330
μ
sec (Head on time)
Platen Gap : 0.40 ~ 0.50mm
Max. frequency : 1500Hz
Performance
Forms capability : Or 2 copies
Max. operating temp. : 90
℃
Temperature
Max. transient temp. : 110
℃
,For 5 minutes (25% duty)
3-3-11 Printer Head Thermistor Specification
Item
Description
Remark
Type
NTC, F-CHIP FF103J
Electronic
Characteristics
• Resistance R25: 10
㏀
± 5
Ω
(At 25
℃
)
•
β
Value : 3950K ± 2
Temperature strage –30 ~ 125
℃
℃
Rx formula
Exp( -4.864 4344.5751119/T - 13183560.21/T^3)
T : Absolute temperature
3-3-12 PF(Paper Feed) Motor Specification
Item
Description
Remark
Model SP-42RD-190M
(MOATECH
Co.Ltd)
MOATECH
Voltage 24VDC±10%
Current
585mA / Phase (Peak)
Resistance 7.4
Ω
± 5% at 25
℃
Step angle
7.5°
Pull out torque
800 PPS 590 g·cm