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Guangdong Uchi Electronics Co.,Ltd
Guangdong Uchi Electronics Co.,Ltd Manufactuer of Varistor, Thermistor, Capacitor,Fuse & Resistor since 2006 !
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Large Current 32D751K NTC Thermistor For Limiting Inrush Current

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Large Current 32D751K NTC Thermistor For Limiting Inrush Current

Brand Name : SHIHENG

Model Number : 32D751K

Certification : UL CQC TUV

Place of Origin : CHINA

MOQ : 1000PCS

Price : Negotiable

Payment Terms : T/T

Supply Ability : 10000000PCS Per Month

Delivery Time : 7-10 days

Packaging Details : Bulk

Name : NTC Thermistor

Series : 32D751K

LEAKAGE CURRENT : ≦30 (μA)

MAX ALLOWABLE VOLTAGE : AC: 460(V) DC: 615(V)

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Large Current 32D751K NTC Thermistor For Limiting Inrush Current

Guangdong Uchi Electronics Co.,Ltd
SPECIFICATION FOR APPROVAL
Rev1.0 SPECIFICATION NO.
PART
NO.
UCHI-32D751K+Teflonwire PAGE 1 OF 4
DATE: 2022 年 12月 8日
1.OUTLINE
1.1 APPEARANCE WITHOUT ANY CRACK, MARKING SHOULD BE CLEAR
1.2 DIMENSIONS DIMENSIONS (mm)
Large Current 32D751K NTC Thermistor For Limiting Inrush Current 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
2.1 MAX ALLOWABLE VOLTAGE AC: 460(V) At 1mA DC
DC: 615(V)
2.2 VARISTOR VOLTAGE 675-825(V) V0. 1mA □ V1mA ■
2.3 RATED WATTAGE 1.2(W)
2.4 MAX CLAMPING VOLTAGE IP: 200(A) Test Current Waveform
8/20 μs
Vc: 1240(V)
2.5 WITHSTANDING SURGE
CURRENT
1Time 25000A Test Current Waveform
8/20 μs
2time 2000A
2.6 MAX ENERGY 620(J) Test Current Waveform
10/1000 μs
2.7 TYPICAL CAPACITANCE 2000(pf) @1KHz
2.8 LEAKAGE CURRENT ≦30 (μA) At 80% of Varistor Voltage
2.9 NONLINEAR EXPONENT (α) ≧20 Large Current 32D751K NTC Thermistor For Limiting Inrush Current Large Current 32D751K NTC Thermistor For Limiting Inrush Currentα=log log
2.10 TEMPERATURE COEFFICENT
OF VARISTOR VOLTAGE
≦ ±0.05%/C
max
Vc85C-Vc25C 1
Vcat25C × 60 × 100(%C)
2.11 IMPULSE LIFE ≦±10%(V1mA) Test Current Waveform 8/20 μs
Guangdong Uchi Electronics Co.,Ltd

SPECIFICATION FOR

APPROVAL
Rev1.0 SPECIFICATION NO.
PART
NO.
UCHI-32D751K(Teflonwire) PAGE :2 OF 4
DATE:2022 年 12月 8日
3.PACKING
3.1 Quantity 100PCS
3.2 Packing Dimension Large Current 32D751K NTC Thermistor For Limiting Inrush Current Large Current 32D751K NTC Thermistor For Limiting Inrush Current Large Current 32D751K NTC Thermistor For Limiting Inrush Current LP LP 240max
HP 60 max
WP 180max
Unit:mm
4.MATERIAL LIST
4.1 Drawing Large Current 32D751K NTC Thermistor For Limiting Inrush Current T e f l o n w i r e
4.2 Material Chart RoHs Item Composition Manufacturer
Coating Epoxy Resin Made in China, and in line with the UL 94-V0
testing, meet the environmental requirements
Lead Cp wire Made in China, meet the environmental
requirements
Electrode Silver Made in China, meet the environmental
requirements
Disk Zinc Oxide Zip Over LLC
Solder Sn:96.5%CU
0.5%Ag3.0%
Made in China, meet the environmental
requirements
5. MARKING CODE
Large Current 32D751K NTC Thermistor For Limiting Inrush Current
Guangdong Uchi Electronics Co.,Ltd

SPECIFICATION FOR APPROVAL
Rev1.0 SPECIFICATION NO.
PART
NO.
UCHI-32D751K(Teflonwire PAGE :3 OF 4
DATE :2022 年 12月 8日
UL CUL VDE CQC
6.MECHENICAL REQUIREMENTS
6.1 Tensile of Terminations No Outstanding
Damage
1.0Kgf; 10Sec.
6.2 Bending of Terminations No Outstanding
Damage
0.5Kgf;90°,3 Times
6.3 Vibration No Outstanding
Damage
Freq:10-55hz;Amp:0.75mm,1Min
.
6.4 Solderability Min. 95% of The
Terminal Should Be
Covered With
Solder Uniformly
Solder Temp:265±5C
Immersed Time: ≤5Sec.
6.5 Resistance of soldering heat △ V1mA/V1mA
≦±5%
Solder Temp: 265±5C
Immersed Time: 10±1Sec.
7.ENVIRONMENTAL REQUIREMENTS
7.1 High Temperature Storage △V1mA/V1mA
≦±5%
Ambient Temp: 125±2C
Duration:1000h
7.2 Low Temperature Storage △V1mA/V1mA
≦±5%
Ambient Temp: -40±2C
Duration:1000h
7.3 High Humidity Storage/Damp
Heat
△V1mA/V1mA
≦±5%
Ambient Temp: 40±2C 90-95%
R.H. Duration:1000h
7.4 Temperature Cycle △V1mA/V1mA
≦±5%
Step Temperature
(C)
Period
(min)
1 -40±3 30 ±3
2 Room Temp 15 ±3
3 125±3 30 ±3
4 Room Temp 15 ±3
7.5 High Temperature Load △V1mA/V1mA
≦±10%
Ambient temp:85±2C
Duration:1000h Load: MAX.
Allowable Voltage
7.6 High Humidity Load △V1mA/V1mA
≦±10%
Ambient Temp: 40±2C
90-95%R.H.Duration:1000H
Load: MAX. Allowable Voltage
7.7 Operating Temperature Range -40C ~ +85C -40C ~ +85C
7.8 Storage Temperature Range -40C ~ +125C -40C ~ +125C
Guangdong Uchi Electronics Co.,Ltd

SPECIFICATION FOR APPROVAL
Rev1.0 SPECIFICATION NO.
PART
NO.
UCHI-32D751K Teflonwire PAGE :4 OF 4
DATE :2022 年 12月 8日
Soldering Recommendation
Wave Large Current 32D751K NTC Thermistor For Limiting Inrush CurrentLead Free Soldering Recommendation
Large Current 32D751K NTC Thermistor For Limiting Inrush CurrentRecommendation Reworking Conditions with Soldering Iron

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