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Specifications
Resistance @ 25℃:
10kΩ
Power(Watts):
100mW
Pitch:
0.3mm
Operating Temperature:
-40℃~+125℃
Tolerance:
±5%
Steady State Current (Max):
310uA
Thermal Time Constant:
5s
B Constant (25℃/50℃):
3950K
B Constant Tolerance:
±3%
Mfr. Part #:
HNTC0603-103J3950HB
Package:
0603
Key Attributes
Model Number:
HNTC0603-103J3950HB
Product Description
Product Overview
The HNTC0603 Series Chip NTC Thermistor from Zhuhai Hongjiacheng Technology co., Ltd is a leadless, SMD-type thermistor designed for high-density mounting. It offers excellent solderability, a wide operating temperature range of -40 to +125, and is RoHS compliant, Lead-Free, and Halogen Free. This thermistor is ideal for various applications including consumer electronics, office automation, industrial power supplies, medical electronics, and IoT sensor nodes.
Product Attributes
- Brand: HJC (Zhuhai Hongjiacheng Technology co., Ltd)
- Origin: Zhuhai
- Certifications: RoHS compliant, Lead-Free & Halogen Free
- Type: Chip NTC Thermistor
- Mounting Type: SMD
- Features: Leadless, suitable for high density mounting, excellent solderability
Technical Specifications
| Parameter | Condition | Value | Unit |
| Rated Zero-Power Resistance | Ta=250.1 | 105% | K |
| B Constant (25/50) | Material Constant | 39503% | K |
| Permissible Operating Current | Ta=250.1 | 0.31 | mA |
| Thermal Dissipation Constant | Ta=250.1 | 1.0 | mW/ |
| Thermal Time Constant | Ta=250.1 | <5 | sec |
| Rated Electric Power | Ta=250.1 | 100 | mW |
| Operating Temperature Range | -40 to +125 |
Part Number Code Explanation
H NTC - J H B
- HJC Brand Code
- Chip NTC Thermistor
- Chip Size/package
- Rated Zero-Power Resistance: e.g., 104=100K, 105=1M
- Resistance Tolerance: F: 2%, G: 1%, H: 4%, J: 5%
- B Constant
- B Constant Tolerance: F: 2%, H: 4%
- B Constant calculation method: A: 25/50, B: 25/85
Recommended Soldering Conditions (Reflow Soldering)
| Feature | Condition | Profile |
| Pre-heat Temperature Min | +150 | |
| Pre-heat Temperature Max | +170 | |
| Pre-heat Time | 9030 secs. ramp up rate 3/sec. | |
| Time above 240 Max | 20~40 secs | |
| Peak Temperature | +26010 secs. Max | |
| Ramp-down Rate Max | 6/sec. | |
| Time 25 to Peak Temp (TP) Max | 8 min. | |
| Note | Do not exceed +260 |
Iron Soldering Recommendation
| Item | Conditions |
| Temperature of Soldering Iron-tip | 280Max |
| Soldering Time | 3 secs. Max |
| Times for iron soldering Max | 1 time |
| Note | Take care not to apply the tip of the soldering iron to the terminal electrodes. |
Physical Dimensions
| Part | Package | L (mm) | W (mm) | H (mm) | L1 (mm) |
| 0603 | 1.600.15 | 0.800.15 | 0.800.15 | 0.30.20 |
Packaging Information
| Part Number | Package | MPQ(PCS) | Delivery Mode |
| HNTC0603-103J3950HB | 0603 | 4,000 | 7''REEL |
2508041620_R-O-HNTC0603-103J3950HB_C49247676.pdf
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