Prodct specilication

1.Dimensions (Unit:mm),

2.Form facto

3.Electrical properties

Serial number	Project	Symbol	Test conditions	Minimum value	Normal value	Maximum value	unit
3-1	Resistance value at 25℃		Ta=25±0.05℃Pt≦0.1mw	9.9	10	10.1	kΩ
3-2	Resistance value at 50℃		Ta=50±0.05℃Pt≦0.1mw	∕	4.1605	∕	kΩ
3-3	B value	B(25/50)	∕		3435		k

Prodct specilication

3-4	Dissipation coefficient		Ta=25±0.5℃	5	∕	∕	mw/℃
3-5	Time constant		Ta=25±0.5℃	∕	∕	15	sec
3-6	Insulation resistance	∕	500Vdc	100	∕	∕
3-7	Withstand voltage test	∕	1500V AC,I=0.5mA	60	∕	∕	s
3-8	Using temperature range	∕		-15	∕	+80	℃

4.Reliability test

Serial number	Project	Technical requirements	Test conditions and methods
4-1	High temperature test	R/R≦±3%	100±5℃, power on for 1000±24h, DCO.2mA
4-2	Low temperature test	R/R≦±3%	-30±5℃, power on for 1000±24h, DCO.2mA
4-3	Temperature hot and cold cycle test	R/R≦±3%	2℃×30→normal temperature×10min→100℃ water×3min→normal temperature×10min, 10 cycles in total
4-4	Moisture resistance test	R/R≦±3%	55±2℃, 90%-95%RH environment for 1000±24h

5.Mechanical properties

6. Storage method

6.1 The stacking height of each stack during storage and transportation shall not exceed 4 boxes.

6.2 Any method of transportation is allowed, but direct or indirect exposure to rain and snow and mechanical damage should be avoided.

6.3 The product should be stored in an environment with a temperature of 10℃/+40℃ and a relative humidity of no more than 80%. The surrounding environment should not contain acidic, alkaline substances, corrosive gases or radiation sources.

TEMPERATURE VS RESISTANCE TABLE

Resistance 10k Ohms at 25deg. C

B Value 3435K at 25/85 deg. C

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