Applications
Heating and air conditioning systems
Industrial electronics
Automotive electronics
Features
Fast response
High measuring accuracy
Epoxy resin encapsulation
PTFE-insulated leads of nickel wire, AWG 30
Options
Non-standard lead lengths
Alternative resistance ratings
Rated temperatures, tolerances
Custom Specifications
Different tolerances available
Encapsulation (Options available on request)
E01 – Epoxy Powder Coated (Blue)
E02 – Epoxy Powder Coated (Black)
Type of Lead (Options available on request)
GH – 0.4 mm PTFE Insulated Single Strand Nickel Wire
GC – 30 AWG Single Strand Nickel Wire
DA – 32 AWG Enameled Copper Wire
Lower Temperature : -40°C
Upper Temperature : 140°C
Max Permissible Power at 25°C : 60 mW
Resistance Tolerance (ΔR/RN ) : ±0.5%, ±1%, ±2%, ±5%
Rated Temperature (TN) : 25°C
Dissipation factor in air(δth) : approx 1.5 mW/K
Thermal cooling time constant in air (τc) : ≈ 12s
Beta Tolerance (Δβ/βN) : ±1%, ±2%, ±3%,
Heat capacity (Cth) : ≈ 18 mJ/K
Electrical Data
| Resistance At 25°C (Ω) | Beta Value (25/85) (K) |
| 2000 | 3540 |
| 2057 | 3540 |
| 2100 | 3900 |
| 2800 | 3977 |
| 3000 | 3977 |
| 4700 | 3977 |
| 5000 | 3977 |
| 10000 | 3977 |
| Resistance At 25°C (Ω) | Beta Value (25/85) (K) |
| 20000 | 4000 |
| 30000 | 4050 |
| 47000 | 4100 |
| 49300 | 3960 |
| 50000 | 4100 |
| 100000 | 4400 |
| 170000 | 4250 |
Reliability Data
| Test | Standard | Test Conditions | Change in R | Remarks |
| Storage in dry heat | IEC 60068-2- 2 | Storage at upper category temp T: 155°C t: 1000 h | <2% | No visible damage |
| Storage in damp heat, steady state | IEC 60068 – 2- 78 | Temp of air:40 °C Relative humidity of air: 93 % Duration: 56 days | <1% | No visible damage |
| Rapid temperature cycling | IEC 60068 – 2- 14 | Lower test temp:– -55°C Upper test temp: 155°C Number of cycles: 100 | <1% | No visible damage |
| Endurance | Pmax: 60 mW t: 1000 h | <3% | No visible damage | |
| Long-term stability (empirical value) | Temperature: 70 °C t: 10000 h | <2% | No visible damage |
Part Number Identification
| Product Series Code | Resistance at 25°C | Res ToI | Encap | Lead | Wire Gauge | Total Length 10 X 102 mm(1000 mm) | BETA (25/85) |
| STLT | 103 (10 X 10 3 Ω) (10 KΩ) | R1 | E01 | G | C | 250 | 3977 |
Ordering Codes for Surface mounting Type NTC Thermistors
STLT *** R# E%% @@ $$$ &&&&
*** = Resistance Value at 25°C (e.g. 102- 1000Ω, 201 – 200Ω, 103 – 10kΩ)
# = Resistance Tolerance (eg. R1 – ± 1%, R5 – ±5%)
%% = Encapsulation (eg. E01 – Epoxy Powder Coated (Blue))
@@ = Type of Lead (eg. GC, G – Single strand Nickel Wire(Silver Plated) & C – 30 AWG)
$$$ = Total Length in mm (eg: 250 – 25mm Length, 401 – 400 mm Length)
&&&& = Beta Value (eg:3977K, 3830K)
