Datasheet > NTE8000

NTE8000

更新时间： 2022-04-20 13:34:41

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描述
Radial Lead Thermal Cutoff

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NTE8000 数据手册

NTE8000 thru NTE8035

Radial Lead Thermal Cutoff

(Thermal Fuse)

Description:

The TCO (Thermal Cut-Off) responds to temperature by interrupting an electrical circuit when the operating and/or environ‐

mental temperature exceeds the thermal rating of the device. NTE's radial lead TCOs accomplish this when the internal

fusible alloy is melted by reaching the temperature of the melting point of the alloy, forming two separate balls at the edges

of the leads by surface tension of the alloy to permanently open the circuit.

Axial-lead TCO devices presently predominate over radial-lead devices. This results, at least in part, from design diffi‐

culties that exist in manufacturing a reliable, inexpensive radial-lead TCO device. However, in many circuit applications

radial-lead devices are preferable since they take up a smaller area on a printed circuit board. Their compact size enables

ease of assembly into the smallest of transformers ensuring total thermal protection

Features

Maximum Rating: 5 Amps, 250 Volts

Full 2 3/4” leads to fit all replacement configurations

All types meet the requirements of Underwriters Laboratories Specifications and CUL

RoHS Compliant

Characteristics

Functioning

Holding

Maximum

Temperature Temperature Temperature

Diagram 729

.106 (2.7)

.260 (6.6)

NTE

Type No.

Diag.

No.

°C

°F

°C

°F

°C

°F

8000

8005

8010

8015

8020

8025

8030

8035

729

168

187

216

239

266

277

293

302

127

142

171

192

217

232

244

253

200

392

.276

(7.0)

102

115

130

136

145

150

2.756

(70.0)

103

111

118

123

.031 (0.8)

Note 1. Temperature sensitive devices. Do not store above +48°C (+120°F).

Note 2. With proper air flow, heat generation below 5 Amps is minimal, above 5 Amps the upper limit on the currentcapac‐

ity will depend on the environment for each specific application.

Note 3. A general rule of thumb for continuous operating temperature for thermal cut-offs is 30°C less than the Maximum

Opening Temperature.

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