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Large Current 32D751K NTC Thermistor For Limiting Inrush Current

Guangdong Uchi Electronics Co.,Ltd

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Large Current 32D751K NTC Thermistor For Limiting Inrush Current

Country/Region china
City & Province dongguan guangdong
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Product Details

Large Current 32D751K NTC Thermistor For Limiting Inrush Current

 

 

Guangdong Uchi Electronics Co.,Ltd 
SPECIFICATION FOR APPROVAL
Rev1.0SPECIFICATIONNO.
PART
NO.
UCHI-32D751K+TeflonwirePAGE 1 OF 4
DATE: 2022 年 12月 8日
        
1.OUTLINE
1.1APPEARANCEWITHOUT ANY CRACK, MARKING SHOULD BE CLEAR
1.2DIMENSIONSDIMENSIONS (mm)
D (max)36
H (max)40
K (max)4.0
T (max)9.4
d (±0. 1)1.3
d1(±0.1)1.0
F (±1.5)20
L(min)35
Epoxy Colour: Blue
 
2.ELETRICAL PARAMETER
2.1MAX ALLOWABLE VOLTAGEAC: 460(V)At 1mA DC
DC: 615(V)
2.2VARISTOR VOLTAGE675-825(V)V0. 1mA □ V1mA ■
2.3RATED WATTAGE1.2(W) 
2.4MAX CLAMPING VOLTAGEIP: 200(A)Test Current Waveform
8/20 μs
Vc: 1240(V)
2.5WITHSTANDING SURGE
CURRENT
1Time 25000ATest Current Waveform
8/20 μs
2time 2000A
2.6MAX ENERGY620(J)Test Current Waveform
10/1000 μs
2.7TYPICAL CAPACITANCE2000(pf)@1KHz
2.8LEAKAGE CURRENT≦30 (μA)At 80% of Varistor Voltage
2.9NONLINEAR EXPONENT (α)≧20  α=log log
2.10TEMPERATURE COEFFICENT
OF VARISTOR VOLTAGE
≦ ±0.05%/C
max
Vc85C-Vc25C 1
Vcat25C × 60 × 100(%C)
2.11IMPULSE LIFE≦±10%(V1mA)Test Current Waveform 8/20 μs
Guangdong Uchi Electronics Co.,Ltd

SPECIFICATION FOR

APPROVAL
Rev1.0SPECIFICATIONNO.
PART
NO.
UCHI-32D751K(Teflonwire)PAGE :2 OF 4
DATE:2022 年 12月 8日
        
3.PACKING
3.1Quantity100PCS
3.2Packing Dimension    LPLP240max
HP60 max
WP180max
Unit:mm
4.MATERIAL LIST
4.1DrawingT e f l o n w i r e
4.2Material Chart RoHsItemCompositionManufacturer
CoatingEpoxy ResinMade in China, and in line with the UL 94-V0
testing, meet the environmental requirements
LeadCp wireMade in China, meet the environmental
requirements
ElectrodeSilverMade in China, meet the environmental
requirements
DiskZinc OxideZip Over LLC
SolderSn:96.5%CU
0.5%Ag3.0%
Made in China, meet the environmental
requirements
5. MARKING CODE
  
Guangdong Uchi Electronics Co.,Ltd

SPECIFICATION FOR APPROVAL
Rev1.0SPECIFICATIONNO.
PART
NO.
UCHI-32D751K(TeflonwirePAGE :3 OF 4
DATE :2022 年 12月 8日
UL CUL VDE CQC 
6.MECHENICAL REQUIREMENTS
6.1Tensile of TerminationsNo Outstanding
Damage
1.0Kgf; 10Sec.
6.2Bending of TerminationsNo Outstanding
Damage
0.5Kgf;90°,3 Times
6.3VibrationNo Outstanding
Damage
Freq:10-55hz;Amp:0.75mm,1Min
.
6.4SolderabilityMin. 95% of The
Terminal Should Be
Covered With
Solder Uniformly
Solder Temp:265±5C
Immersed Time: ≤5Sec.
6.5Resistance of soldering heat△ V1mA/V1mA
≦±5%
Solder Temp: 265±5C
Immersed Time: 10±1Sec.
7.ENVIRONMENTAL REQUIREMENTS
7.1High Temperature Storage△V1mA/V1mA
≦±5%
Ambient Temp: 125±2C
Duration:1000h
7.2Low Temperature Storage△V1mA/V1mA
≦±5%
Ambient Temp: -40±2C
Duration:1000h
7.3High Humidity Storage/Damp
Heat
△V1mA/V1mA
≦±5%
Ambient Temp: 40±2C 90-95%
R.H. Duration:1000h
7.4Temperature Cycle△V1mA/V1mA
≦±5%
StepTemperature
(C)
Period
(min)
1-40±330 ±3
2Room Temp15 ±3
3125±330 ±3
4Room Temp15 ±3
7.5High Temperature Load△V1mA/V1mA
≦±10%
Ambient temp:85±2C
Duration:1000h Load: MAX.
Allowable Voltage
7.6High Humidity Load△V1mA/V1mA
≦±10%
Ambient Temp: 40±2C
90-95%R.H.Duration:1000H
Load: MAX. Allowable Voltage
7.7Operating Temperature Range-40C ~ +85C-40C ~ +85C
7.8Storage Temperature Range-40C ~ +125C-40C ~ +125C
Guangdong Uchi Electronics Co.,Ltd

SPECIFICATION FOR APPROVAL
Rev1.0SPECIFICATIONNO.
PART
NO.
UCHI-32D751K TeflonwirePAGE :4 OF 4
DATE :2022 年 12月 8日
        
Soldering Recommendation
 Wave Lead Free Soldering Recommendation 
Recommendation Reworking Conditions with Soldering Iron

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