9G1212G1021 SANYO DENKI - SANACE FANS, 9G1212G1021 Datasheet - Page 261

• Manufacturer Part Number: 9G1212G1021
• Description: AXIAL FAN, 120MM, 12VDC, 980mA
• Manufacturer: SANYO DENKI - SANACE FANS

Specifications of 9G1212G1021

• External Height: 120mm
• External Width: 120mm
• External Depth: 38mm
• Current Type: DC
• Supply Voltage: 12VDC
• Flow Rate: 137CFM
• Noise Rating: 49dBA
• Power Connection Type: Lead Wires
• Bearing Type: Ball
• Flow Rate - Imperial: 137CFM
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

IC L8730 for DC fan alarm
Characteristics
Startup delay
L8730 doesn't output signal until fan normally runs after start-up
Input type
Single input: L8730 can input digital signal of Vov and GND
Supply voltage range
＋5V±0.5V
Dimensions
Application
Use it for your receiving circuit of a our DC fan (with a pulse sensor).
Trip speed
1,700
2,700
min
850
-1
1.27 （ TYP）
1,100
C1
PF
560
330
R
C
8
1
OUT1 OUT2
COM
7
2
5.05
KΩ
R1
22
22
22
V
6
3
IN
Note
E
Vss
V
D1
5
4
DD
0.42
KΩ
R2
Vcc
68
68
68
Vcc
Startup delay
19.5sec
51Ω
10sec
3
6sec
2
0.2
4
C1
L8730
1.5μF
5
Output current
10mA max.(sink/Open drain output)
The output with latch is also availble
Noise margin
Malfunction-protective circuit in embedded
R2
R1
1.55
1
8
7
output
1.2KΩ
Alarm
E: Power supply for fan drive circuit
Vcc：5V±0.5V
At normal speed [H]: Vcc
At abnormal speed [L]: 0.5V max
Note: Insert a D1 in case of E > Vcc.
259
Connector
Thermistor
Alarm IC