Key facts
- Brand
- Epcos
- Model
- B57891
- Industry
- Industrial
- Documents
- 2
- Languages
- EN · DE
- Last added
- 2012-07-11
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EPCOS B57891 S891 Leaded NTCs lead spacing 2.5 mm handbook
This document is a datasheet for the EPCOS B57891 series of leaded NTC thermistors, specifically designed for temperature measurement applications. The components feature a lead spacing of 2.5 mm and are constructed with copper-clad Fe wire leads that are tinned and UL approved (E69802). They are encapsulated in epoxy resin for a rugged design, offering a favorable price-to-performance ratio suitable for heating systems and automotive electronics.
Read onlineEpcos B57891 specifications
| Lead spacing | 2.5 mm |
|---|---|
| Leads material | copper-clad Fe wire, tinned |
| UL approval | E69802 |
| Climatic category | 55/155/56 |
| Max. power (at 25 °C) | 200 mW |
| Resistance tolerance options | ±1%, ±3%, ±5% |
| Rated temperature | 25 °C |
| Dissipation factor (in air) | approx. 4 mW/K |
| Thermal cooling time constant (in air) | approx. 15 s |
| Heat capacity | approx. 60 mJ/K |
Source: EPCOS B57891 S891 Leaded NTCs lead spacing 2.5 mm handbook
All Epcos B57891 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the lead spacing for the B57891 series?
The standard lead spacing is 2.5 mm, though 5 mm is available on request.
From: EPCOS B57891 S891 Leaded NTCs lead spacing 2.5 mm handbook
What are the resistance tolerance options?
The available resistance tolerances are ±1%, ±3%, and ±5%.
From: EPCOS B57891 S891 Leaded NTCs lead spacing 2.5 mm handbook
What are the applications for the B57891 module?
The module is suitable for heating systems and automotive electronics.
From: EPCOS B57891S0103+008 Temperature Measurement Module Datasheet
What is the maximum operating temperature?
The module is UL approved for an operating temperature of up to 125 °C.
From: EPCOS B57891S0103+008 Temperature Measurement Module Datasheet