NHQ302B410T10 GE Sensing, NHQ302B410T10 Datasheet - Page 6

• Manufacturer Part Number: NHQ302B410T10
• Description: THERMISTOR NTC 3K OHM 10% 1206
• Manufacturer: GE Sensing
• Series: NHQr

Specifications of NHQ302B410T10

• Resistance In Ohms @ 25°c: 3K
• Resistance Tolerance: ±10%
• B Value Tolerance: ±5%
• B25/85: 4100K
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 1206 (3216 Metric)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• B0/50: -
• B25/50: -
• B25/75: -
• B25/100: -
• Power - Max: -
• Lead Length: -
• Other names: 235-1108-2

Sensing
Type NHQMM
Specification
Surface mount chip 0603 size
Description
A range of 0603 size surface mount NTC chip thermistors.
The terminations are nickel barrier with solder plating.
General
Soldering Recommendations
• Maximum storage time in closed package: One year
• Maximum storage time exposed to ambient conditions
• Drying prior to soldering: Not to exceed 48h at 176°F
• Flux type: R or RMA
Flow Soldering Conditions
• Preheat temperature: 176°F to 302°F (80°C to 150°C)
• Maximum rate of temperature change: 4.5°F/s or
• Maximum solder temperature: 509°F (265°C)
• Maximum dwell time: 10 seconds
• Cooling in ambient or air flow of 5m/s
Reflow Soldering Conditions
• Method infrared, hot gas, vapor
• Maximum rate of preheat temperature change: 4.5°F/s
• Maximum temperature: 437°F (225°C)
• Maximum time above: 392°F (200°C) 30 seconds
• Maximum radiant flux: (0.1 to 100 W:) 5 W/cm
• Maximum hot air temperature: 527°F (275°C) at 4 m/s
• Maximum vapor temperature: 419°F (215°C)
• Maximum rate of cooling: 4.5°F/s or 2.5°C/s
Cleaning
Ultrasonic cleaning in methanol or isopropanol not
exceeding 40 kHz for 5 minutes, or aqueous cleaning not
exceeding 158°F (70°C) for 7 minutes (recommended).
of 59°F to 86°F (15°C to 30°C), 15% to 70% RH: 30 days
(80°C) or 16h at 212°F (100°C) or 8h at 257°F (125°C)
2.5°C/s
or 2.5°C/s
2
Code
NHQMM300B275R5
NHQMM400B280R5
NHQMM680B280R5
NHQMM800B280R5
NHQMM101B280R5
NHQMM471B320R5
NHQMM501B320R5
NHQMM102B325R5
NHQMM152B345R5
NHQMM202B410R5
NHQMM222B410R5
NHQMM252B410R5
NHQMM302B410R5
NHQMM332B410R5
NHQMM472B355R5
NHQMM502B355R5
NHQMM682B355R5
NHQMM103B375R5
NHQMM153B380R5
NHQMM203B380R5
NHQMM223B380R5
NHQMM303B400R5
NHQMM333B400R5
NHQMM473B400R5
NHQMM503B400R5
NHQMM683B400R5
NHQMM104B415R5
NHQMM154B425R5
NHQMM204B425R5
Data
• Resistance tolerance at 77°F (25°C) ±5%; for ±10%
• Tolerance on B value ±200 K
• Minimum temperature: -40°F (-40°C)
• Maximum temperature: 257°F (125°C)
• Dissipation factor: 1.2 mW/K
• Time constant: 4 seconds maximum
replace R5 by R10 in code.
NTC Type NHQMM outline drawing
±0.008 in (±0.2 mm)
0.063 in (1.6 mm)
±0.0079 in (±0.2 mm)
R25 S
30
40
68
80
100
470
500
1000
1500
2000
2200
2500
3000
3300
4700
5000
6800
10000
15000
20000
22000
30000
33000
47000
50000
68000
100000
150000
200000
0.0118 in (0.3 mm)
B (25/85) K
2750
2800
2800
2800
2800
3200
3200
3250
3450
4100
4100
4100
4100
4100
3550
3550
3550
3750
3800
3800
3800
4000
4000
4000
4000
4000
4150
4250
4250