Description:

1. Scope

This specification deals with shape,dimensions,characteristics,inspection standard etc.

2. Specifications

Item:NTC Thermistor

Model:B2-100-3950-1

R @ 25: K 100K-1%

B25/50:K 3950-1%

Element:Thermistor,type MJB2

3. Characteristics

(1) Electrical characteristics

A: Resistance value: R(25°C)=100K±1%

B: B Value: B=3950±1% (calculated from resistance value at 25°C and 50C)

C: Insulation resistance 50MΩ or over by DC500V megger (between glass and lead wire)

(2) Thermal time constant (τ): τ≤10~17s (in still air)

(3) Thermal dissipation constant (δ): δ=1.1~1.6mW/°C (in still air)

(4) Operating temperature range:-50~+260°C

4. Outgoing Inspection

(1) The product shall be inspected at every delivery lot inspection items,sampling quantities and sampling acceptable standard are as follows.

Inspection Item Sampling acceptable standard Remarks

Resistance value n=20, Ac=0, Re=1 2.3(1)(a)

B-value n=10, Ac=0, Re=1 2.3(1)(b)

Insulation Resistance n=5, Ac=0, Re=1 2.3(1)( c)

Shape & Dimension n=5, Ac=0, Re=1 2.2

Appearance n=5, Ac=0, Re=1 2.2

Packing list:

5 x 100K ohm NTC Thermistor with 1 meter wires