VNC12038A4702JB [VISHAY]

Vitreous Wirewound Power Resistors;


型号：	VNC12038A4702JB
厂家：	VISHAY
描述：	Vitreous Wirewound Power Resistors
文件：	总5页 (文件大小：97K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

VNC

Vishay MCB

www.vishay.com

Vitreous Wirewound Power Resistors

FEATURES

• High dissipation

• Embedded collars

• Insulated mounting

• Applicable standard: NFC 93214

• Material categorization: for definitions of compliance

please see www.vishay.com/doc?99912

STANDARD ELECTRICAL SPECIFICATIONS

POWER RATING

RESISTANCE RANGE

TOLERANCE

ꢀ

U_LIM.

GLOBAL MODEL



VNC 30 x 250

VNC 30 x 153

VNC 25 x 168

VNC 25 x 138

VNC 25 x 110

VNC 25 x 84

VNC 20 x 265

VNC 20 x 165

VNC 20 x 140

VNC 20 x 117

VNC 20 x 102

VNC 20 x 90

VNC 16 x 94

VNC 16 x 70

VNC 13 x 70

VNC 12 x 102

VNC 12 x 76

VNC 12 x 51

VNC 12 x 38

VNC 10 x 52

VNC 10 x 44

VNC 8 x 45

320

200

180

145

120

230

140

120

4.7 to 470K

3.3 to 330K

2.7 to 270K

2.7 to 220K

2.2 to 150K

3.9 to 390K

2.7 to 270K

2.2 to 220K

1.8 to 220K

1.2 to 180K

1.0 to 120K

2.2 to 68K

2.2 to 100K

1.8 to 56K

1.5 to 100K

1.0 to 82K

1.0 to 56K

1.0 to 33K

1.0 to 39K

1.0 to 33K

1.0 to 27K

3000

1700

1900

1400

1000

650

3000

1700

1400

1100

950

900

650

950

700

450

350

450

400

NFC 93214 CHARACTERISTICS

P_n

RESISTANCE RANGE

GLOBAL MODEL



VN 30 x 153 (RB 37)

VN 20 x 102 (RB 35)

VN 12 x 76 (RB 33)

VN 12 x 51

VN 12 x 38 (RB 31)

VN 10 x 44

113

3.3 to 27K/82K

1.2 to 12K/39K

1.0 to 5.6K/18K

1.0 to 2K/6.2K

Note

•

Resistance maximum value: normal limits for wire with diameter of: 63 μ/38 μ minimum.

TECHNICAL SPECIFICATIONS

PARAMETER

Temperature coefficient

Operating temperature range

UNIT

ppm/°C

°C

RESISTOR CHARACTERISTICS

75 ppm/°C (typical)

-55 to +450

Revision: 08-Aug-16

Document Number: 32504

For technical questions, contact: mcbfixedresistors@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

VNC

Vishay MCB

www.vishay.com

GENERAL CHARACTERISTICS

Core

Winding

Coating

Ohmic values

Insulated mounting (PS)

Ceramic

NiCr alloy

Vitreous enamel

E12

On request

DIMENSIONS in millimeters AND WEIGHT in g

6.35^+0.5

Ø 3.2^+0.2

0.7 ^+-0.3¹

1.6 mini

TYPE

30 x 250 30 x 153 25 x 168 25 x 138 25 x 110

250 152.5 1.5 168 138 110

18.3 15.8 15.8

33 28 28

25 x 84

15.8

20 x 265 20 x 165 20 x 140 20 x 117 20 x 102

265

13.2

163

13.2

140

13.2

117

13.2

101.5 1.5

13.2

max.

18.3

15.8

max.

20 0.4

20 0.4 17 0.35 17 0.35 17 0.35 17 0.35 12 0.5

12 0.5

max.

200

180

130

100

220

Mass

TYPE

300

135

115

20 x 90

88 1.5

13.2

16 x 94

16 x 70

70 1.5

11.2

13 x 70

70 1.5

9.7

12 x 102

12 x 76

76 1.5

9.2

12 x 51

12 x 38

38 1.5

9.2

10 x 52

10 x 44

44 0.9

8.2

8 x 45

100

9.2

0.21

9.2

0.21

9.2

0.18

7.2

0.15

max.

11.2

max.

10 0.3

12 0.5

10 0.3

0.21

0.18

max.

Mass

SPECIFIC NON-INDUCTIVE “A” VNC MODEL CHARACTERISTICS

TYPE

30x250A 30 x 153A 25 x 168A 25 x 138A 25 x 110A 25 x 84A 20 x 265A 20 x 165A 20 x 140A 20 x 117A 20 x 102A

R_min.

4.7 

3.3 

2.7 

2.2 

3.9 

2.7 

2.2 

1.8 

1.2 

390 

8 x 45A

1.0 

R_max.

TYPE

R_min.

1.2 k

680 

820 

560 

470 

330 

1.2 k

820 

560 

470 

20 x 90A 16 x 94A 16 x 70A 13 x 70A 12 x 102A 12 x 76A 12 x 51A 12 x 38A 10 x 52A 10 x 44A

1.0 

2.2 

1.8 

1.5 

1.0 

R_max.

330 

270 

470 

270 

150 

100 

150 

120 

Revision: 08-Aug-16

Document Number: 32504

For technical questions, contact: mcbfixedresistors@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

VNC

Vishay MCB

www.vishay.com

PERFORMANCES

NFC 93214

REQUIREMENTS

TESTS

CONDITIONS

TYPICAL VALUES

Overloads

10 P_n(temp. nom.), 5 s

-55 °C, 5 cycles, +200 °C

56 days 95 % HR

P_n-55 °C

3 % or 0.05  ⁽¹⁾

0.4 %

0.2 %

0.1 %

0.2 %

0.25 %

0.1 %

Climatic

3 % or 0.05  ⁽¹⁾

2 % or 0.05  ⁽¹⁾

Collar insulated

> 10²M

Damp heat

Thermal shocks

Shocks

2 % or 0.05  ⁽¹⁾

Severity 50 A

0.5 % or 0.05  ⁽¹⁾

1 % or 0.05  ⁽¹⁾

Vibrations

Severity 55/10

Strength of terminals

40 N collar

500 cycles P_n

90 min / 30 min

Endurance

5 %

1 %

Note

(1)

The higher of either value.

DISSIPATION

Axis Title

_amb= 25 °C

10000

1000

100

10000

100

1000

100

Vishay MCB

P_n(NFC 93214)

NFC 93214

θ_n

P (Vishay MCB)

50 100 150 200 250 300 350 400 450 500

_amb(°C)

50 100 150 200 250 300 350 400 450 500

θ (°C)

Power P_Was a Function of Surface Temperature

P(W) = f (Temperature Surface)

Derating in Power as a Function

of Ambient Temperature

OVERLOADS

PERMISSIBLE ENERGY

Axis Title

10000

1000

100

10000

1000

100

Curve 1: 20 x 265

Curve 2: 20 x 165

Curve 3: 20 x 140

Curve 4: 20 x 102

Curve 5: 20 x 90

Curve 6: 16 x 70

Curve 7: 12 x 102

Curve 8: 12 x 51

Curve 9: 12 x 38,

Curve 9: 10 x 44,

Curve 9: 8 x 45

500

250

100

10K 100K

0.1

100

1000

t (s)

R (Ω)

Intermittent Overloads

Exceptional Operation

Initial Temperature < 70 °C

k x P_n= f(t)

Repetitive Operation

Energy as a Function of R_n

Pulse Duration < 100 ms

E = f(R)

Revision: 08-Aug-16

Document Number: 32504

For technical questions, contact: mcbfixedresistors@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

VNC

Vishay MCB

www.vishay.com

OPTIONS (Consult us)

- Other values than E12 series

- Intermediate terminals

ORDERING INFORMATION

VNC

30 x 250

10K

5 ꢀ

XXX

BO4

MODEL

STYLE

NON-INDUCTIVE WINDING

Optional

RESISTANCE VALUE

TOLERANCE

CUSTOM DESIGN

PACKAGING

5 %

10 %

Other on request

Optional

On request:

special value,

tolerance,

terminals, etc.

GLOBAL PART NUMBER INFORMATION

PRODUCT

TYPE

SIZE

OPTION

(if applicable)

RESISTANCE

VALUE

TOLERANCE

PACKAGING

INDUSTRIALIZATION

NUMBER

VNC

08044

10044

10052

12038

12051

12076

12102

13070

16070

16094

20090

20102

20117

20140

20165

20265

25084

25110

25138

25168

30153

30250

42362

A =

The first three digits

are significant

J = 5 ꢀ

K = 10 ꢀ

B = box

3 specific digits

(if applicable)

non-inductive

winding

Box quantity

depends of

figures and the last

specifiesthenumber

of zeros to follow,

R designates

model and size

decimal point.

4702 = 47 k

47R0 = 47 

EXAMPLES

MODEL

VNC

DESCRIPTION

VNC 30X250 A 500U 5 % 999 BO4

VNC 25X168 100U 5 % BO5

PART NUMBER

VNC30250A5000JB999

VNC251681000JB

VNC

Revision: 08-Aug-16

Document Number: 32504

For technical questions, contact: mcbfixedresistors@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

Legal Disclaimer Notice

www.vishay.com

Vishay

Disclaimer

ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE

RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.

Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,

“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other

disclosure relating to any product.

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with the properties described in the product specification is suitable for use in a particular application. Parameters provided in

datasheets and / or specifications may vary in different applications and performance may vary over time. All operating

parameters, including typical parameters, must be validated for each customer application by the customer's technical experts.

Product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited

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Revision: 09-Jul-2021

Document Number: 91000

VNC12038A4702JB [VISHAY]

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