Ring Lug 200C NTC 100K Ohm Surface Temperature Probe

 Ring Lug Surface Temperature Probe Shape and Dimension

Ring Surface 200C Temp Sensor 100K ohm

Unit: mm

  1. Ring tongue, tin plated copper,  ring hole diameter 3.2mm, length 20mm.
  2. Glass Encapulated NTC Thermistor, , R25℃: 100KΩ±1%, B25/50: 3950K±1%
  3. Potting and Sealing High Temperature Epoxy Resin, black color.
  4. PTFE Tube, 13L×55mm
  5. Wire Cable: UL1332 26AWG 200℃ 300V, black color

 Ring Lug Surface Temperature Probe Application

Ring lug NTC thermistor surface temperature probes are designed for screw-in-place mounting. Suitable for surface sensing applications, especially when a good electrical insulation and a good thermal contact with the chassis is required. Easy mounting using ring tongue terminal. Popular for temperature measurement, control, and monitoring of small motors, heat exchangers, computer equipment, power electronics, semiconductor heat-sink temperature control, enclosure panels, industrial equipment, automotive equipment, ironing etc.

Ring Lug Surface Temperature Probe Electric Characteristics Data

Resistance at 25C R25: 100K ohm+/-1%,
Beta Value B(25/50): 3950K+/-1%
Dissipation Factor: 5 mw/℃ min.
Thermal Time Constant (in water): 25 seconds max.
Insulation resistance: 500VDC, 100 MΩ
Voltage withstanding: 1500VAC, 1mA, 2 seconds
Operating temperature range: -30 to +200C

Cautions Warnings on Mounting and Handling

  • This thermistor sensor CANNOT be immersed into water.
  • By means of M3 stud  #4, Leads to be soldered or crimped.
  • The device is suitable for screwing e.g. on metal surface
  • The leads are suitable for soldering e.g. on PCB.

Ring Lug Surface Temperature Probe Mechanical Performance Test

Test Item Test Condition Performance Request
Lead Wire Tensile Pulling Applying force 9.8N(1KGF)along lead wire direction, for 1 minute. No cracks in the resin and wire bonding, No visible damage
Falling down Falling down from 1 meter high to 10mm thick oak wooden board, 5 times. No visible damage

Ring Lug Surface Temperature Probe Reliability Data

Test Item Standard Test Conditions ΔR25/R25 (typical) Remarks
Low temperature storage IEC 60068-2-1 Storage at low category temperature. Temperature: -30 oC Time: 1000 hours ≤3% No visible damage
Storage in dry heat IEC 60068-2-2 Storage at upper category temperature. Temperature: 100 oC Time: 1000 hours ≤3% No visible damage
Storage in damp heat, steady state (Humidity test) IEC 60068-2-3 Temperature: 40oC,
Humidity:90%-95% RH,
Duration:1000 hours
≤3% No visible damage
Rapid temperature cycling IEC 60068-2-14 1. -30C/30 minutes
2. 30C/5minutes
3. 100C/30 minutes
4. 30C/5minutes.
Number of cycles: 5 Cycles
≤3% No visible damage

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