(2/3)
NTCDS SERIES(DIODE TYPE)
SHAPES AND DIMENSIONS
DIMENSIONAL CODE 3(3.0 × ?1.8mm)
3+0, –0.7
26min.
DIMENSIONAL CODE 4(4.0 × ?2.0mm)
4+0, – 0.4
26min.
26min.
26min.
Dimensions in mm
CHARACTERISTICS
Dimensional code
3(3.0 × ?1.8mm)
4(4.0 × ?2.0mm)
Operating temperature ranges
Lead wire Ni plating
Lead wire Sn plating
–40 to +250°C
–40 to +125°C
–40 to +250°C
–40 to +125°C
Heat dissipation constant[in still air]
Thermal time constant[in still air]
Insulation resistance[between lead and glass]
1mW/°C
10s max.
50M ? min.[DC.500V]
2mW/°C
20s max.
50M ? min.[DC.500V]
α = – — × 100(%/°C)
Temperature coefficient
The relationship between temperature coefficient α and B constant can be expressed as follows:
B
T 2
Example: The temperature coefficient at 20°C with B=3400K can be calculated at –4%/°C.
ELECTRICAL CHARACTERISTICS
Part No.
Nominal resistance
B constant
Reference resistance
[at 25°C]
Reference B constant
[at +25/+85°C]
Dimensional code 3(3.0 × ?1.8mm)
NTCDS3HG202JC3
NTCDS4AF303GC3
NTCDS3UG391XX3
? 1
? 2
R25: 2k ? ±5%
R25: 29.7k ? +3, –1%
R25: 9.383k ? ±6.8%
B25/85: 3392K±2%
B25/85: 4000K±1%
B25/85: 3940K±1.5%
2.000k ?
29.997k ?
9.383k ?
3392K
4000K
3940K
Dimensional code 4(4.0 × ?2.0mm)
NTCDS3LG252HG4
NTCDS3KF162FX4
NTCDS3SG642FB4
NTCDS3FG602HB4
NTCDS3PH612HB4
NTCDS3RG193GA4
NTCDS3SG183GA4
NTCDS3SG392HX4
NTCDS3SX193XA4
NTCDS3SX202XC4
NTCDS4AF533GA4
NTCDS4AG103HC4
? 1
? 2
R20:
R60:
R0:
R-30:
R0:
R-20:
R-20:
R10:
R-20:
R3:
R0:
R25:
2.5k ? ±3%
1.593k ? ±1%
6.409k ? ±1%
25.07k ? ±3%
6.16k ? ±3%
18.9k ? ±2%
18.9k ? ±2%
3.899k ? ±3%
19.3k ? ±0.6k ?
5.6k ? ±0.2k Ω
17k ? ±2%
10k ? ±3%
B20/80:
B0/100:
B-20/0:
B0/25:
B0/25:
B-20/25:
B-20/0:
B-20/10:
B25/50:
B3/50:
B-20/10:
B25/85:
3520K±2%
3450±1%
3808±2%
3298K±2%
3700K±3%
3770K±2%
3850K±2%
3819K±2%
3850K±2.5%
3850K±2.5%
4000K±1%
4000K±2%
2.050k ?
5.369k ?
1.973k ?
2.182k ?
1.978k ?
2.016k ?
1.939k ?
1.965k ?
1.980k ?
2.020k ?
4.899k ?
10.000k ?
3528K
3479K
3844K
3392K
3750K
3800K
3844K
3844K
3844K
3844K
4000K
4000K
? 1
? 2
: Plating specification code of lead wire, N or S(Please refer to PRODUCT IDETIFICATION)
: Packaging style code, B, T or K(Please refer to PRODUCT IDETIFICATION)
? All specifications are subject to change without notice.
002-03 / 20111004 / eb225_ntcds.fm
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