Datasheet > VRW68

VRW68

更新时间： 2023-12-06 20:03:52

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TTELEC		/
页数	文件大小	规格书
3页	601K
描述
High voltage thick film resistor

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VRW68 数据手册

High Voltage Thick Film Resistors

VRW Series

Performance Data

Maximum

Typical

Load at rated voltage (1000hrs at 70˚C)

Derating from rated power at 70˚ C

1.5*

0.4

zero at 155˚ C

55/155/56

700 min

OOvveerrloloaadd(1(100xx55ssaatt66.2.255xxPPrrnnoottexecxecedediningg22xxLELVEVo)r 10kV in air) R%

0.15

0.1

Damp heat steady state (56 days, 40˚C, 90% RH)

Climatic sequence

1.5

0.2

Climatic category

Temperature rapid change

Resistance to solder heat

Vibration

0.5

0.05

Voltage Proof

volts

* 2% for ohmic values above 24M

Pulse Performace

Pulse Performance

Pulse Performace

100

VRW25

VRW37

VRW68

0.1

100

Value (megohms)

Maximum peak voltage in accordance with “IEC 60065 chapter 14.1”

50 discharges from a 1nF capacitor charged to V max. 12 discharges/minute.

Application Notes

1. Due to operating temperature limits imposed by some PCB materials, derating may be necessary. An

estimate of the temperature rise to be expected at the center of the body can be calculated using the

thermal impedance figures given under Electrical Data.

2. VRW37 can be supplied with radial, goalpost or lancet pre-formed leads- see

2. VRW resistors can be supplied with radial, goalpost or lancet pre-formed leads. The VRW37 is also

available in ZI-form SMD format packed in blister tape - see http://www.ttelectronics.com/themes/ttelectronics/datasheets/resistors/ZI-form.pdf

hꢀps://www.ꢀelectronics.com/TTElectronics/media/ProductFiles/Resistors/ApplicaꢁonNotes/TN008-resistors-Leadform-Capability.pdf

VRW37 is also available in ZI-form SMD format packed in blister tape- see

hꢀps://www.ꢀelectronics.com/TTElectronics/media/ProductFiles/Resistors/Datasheets/ZI-form.pdf

Type

VRW25/37

VRW68

52 ±2ꢀꢀ

73 ±2ꢀꢀ

5 ±±05ꢀꢀ

1± ±±05ꢀꢀ

Packaging

Our standard packaging for VRW is taped and

boxed. The critical dimensions are shown in

Figure 1. The component wires will not

protrude beyond the outside edge of the

tapes. Alternative packaging is available by

request. Pre-formed resistors are supplied

loose packed in plastic bags or boxes.

Body location f1-f2 1.4mm

General Note

BI Technologies IRC Welwyn

TT Electronics reserves the right to make changes in product speciﬁcation without notice or liability.

All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.

www.ttelectronics.com/resistors

04.21

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