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Power Type Wirewound Resistor KNP

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Power Type Wirewound Resistor KNP

Product Details:
Place of Origin: Dongguan,CHINA
Brand Name: JK
Certification: ROHS,ISO 9001
Model Number: KNP
Payment & Shipping Terms:
Minimum Order Quantity: 5000PCS
Price: Negotiable
Packaging Details: Tape or Bulk
Delivery Time: 7 workdays
Payment Terms: T/T & Paypal
Supply Ability: 500000000 Piece/Pieces per Month
Description

Power Type Wirewound Resistor KNP

Quick Details

 

1. Type : KNP Wirewound Resistor

2. Rated Power : 1/2W.1WS.1W.2WS.2W.3WS.3W.5WS.5W

3. Nominal resistance value : E24 Series

4. Resistance tolerance :  J +/-5%   G +/-2%

5. Shape : P type; M type :MB type : FK1 type : FK2 type : FKK type

6. T.C. : +/-350PPM/C   Resistance Range: 0.05Ω~1KΩ

7. Operating temperature : -55℃~+255℃

 

• All welded construction

• Ceramic core

• Non-flammable cement coating

• Tinned copper-clad iron leads

(for axial parts)

• High power dissipation in small volume

• Ideal for pulse application

 

 

Description

 

 

This specification is available for Wirewound Resistor manufactured by Jackcon (HK) Industrial Limited ,it accords with RoHS test of Environment related substance requirement.

 

 

Application

 

 Ideal for pulse application

 

Specification

 

1.Rated Power

 

 

Rated power is maximum power which can be continuously loaded at specified ambient temperature

70℃,as Table-1;however when the ambient temperature exceeds 70℃,rated power should be determined 

from the derating curve of Fig.1.

 

 

Type

 

Rated power

 

Dielectric withstanding

voltage

KNP  Resistance

Range(Ω)

NKNP  Resistance

Range(Ω)

      Normal size

KNP1/2W,

NKNP1/2W

0.5W

300V

0.05Ω~1KΩ

0.1Ω~680Ω

KNP1W,

NKNP1W

1W

350V

KNP2W,

NKNP2W

2W

350V

KNP3W,

NKNP3W

3W

400V

KNP5W,

NKNP5W

5W

400V

       Small size

KNP1WS,

NKNP1WS

1W

300V

0.05Ω~1KΩ

0.1Ω~680Ω

KNP2WS,

NKNP2WS

2W

350V

KNP3WS,

NKNP3WS

3W

350V

KNP5WS,

NKNP5WS

5W

400V

 

 

                      Figure 1  Power derating curve              Power Type Wirewound Resistor KNP

 

The rated voltage shall be the D.C. or A.C.(R.M.S. at power frequency) voltage which corresponds

    the rated power and the value of which is calculated from the formula below.

 

E=√(P×R)       Where   E:    Rated voltage(V)

                                  P:    Rated power(W)

                                  R:    Nominal resistance(Ω)

Operating Temperature Range:-55℃~+255℃

 

2.Construction

Power Type Wirewound Resistor KNP

 

 NO

Item

Material

  1

  Ceramic core

    High alumina ceramic is used.

  2

  Resistor element 

  The resistor element shall consist of Resistance wire(Exemple:CN49W Φ1.0mm) .

  3

  Terminal

  Tinned iron cap.

  4

  Connection

  The lead wire,which is plated with solder,shall be mounted to the caps by welding process.

  5

  Lead wire 

Soldered or tinned annealed wire.

  6

  Finishing painting

  Silicon resin is used. Accord with UL-94V-0 Nonflammable specification. 

  7

  Indication

   Color code.

 

1) Terminal caps :The caps shall be securely connected with the resistor element electrically and mechanically.

2) Resistor body color

                                               Table-2

 

               Normal size

                 Small size

 Type

 Color

 Type

 Color

KNP1/2W,NKNP1/2W,

KNP1W,NKNP1W

KNP2W,NKNP2W,

KNP3W,NKNP3W

Gray

KNP1WS,NKNP1WS,

KNP2WS,NKNP2WS,

KNP3WS,NKNP3WS

KNP5WS,NKNP5WS

Pink

3) Indication  The indication shall be satisfied with [4. Indication].

 

3. Characteristics

 

 

Table-3

 

Item

Performance

Test methods(Conform to JIS C 5202)

Temperature

Coefficient

±350PPM/℃

(±500PPM/℃<1Ω)

  Comply with 5.2

 R1-R0/R0(T1-T0)*10 6(PPM/C)

 

  R0:Resistance value at room temp.( T0).

  R1:Resistance value at room temp.plus 100℃(T1)

Short time

overload

Within ±(2%+0.05Ω).

No evidence of mechanical damage.

    Comply with 5.5

 Rated voltage×2.5 times,5s

But not to exceed maximum overload voltage.

(See table-1)

 

Item

Performance

Test methods(Conform to JIS C 5202)

Insulation 

Resistance

104MΩ or more.

    Comply with 5.6

  V-block method

  Resistor shall be tested at DC 500V for 60 seconds.

Dielectric

Withstanding

Voltage

 

  No evidence of flashover mechanical damage,arcing

  or insulation breakdown.  

   Comply with 5.7

Constant pressure, V-block method

Resistor shall be tested at AC potential respectively for 60 seconds.(See table-1)

Pulse overload

Within ±(2%+0.05Ω)

   Comply with 5.8

Rated voltage X 4 times, 10000 cyc.(1s ON, 25s OFF)

But not to exceed maximum pulse voltage.(See table-1)

Terminal strength

No evidence of mechanical damage.

 Comply with 6.1

Tensile strength

mm

Diameter

Tensile force N(kgf)

Time

 

Φ0.38mm~0.50mm

5(0.51)

10±1 

second

Φ0.50mm~0.68 mm

10(1.02)

Torsion strength:To bend the lead wire at the point of about 6mm~6.5mm from resistor body. about 0.75mm curvature radii to 90°then catch the wire at 1.2±0.4mm apart from the bend point end and turn it ( clockwise ) by 360 degrees perpendicular to the resistor axis at speed of same 5 seconds per turn, and do the same counterclockwise again which constitute a whole turn. Repeat the turn for 2 times without causing any break and looseness.

 

 

Item

Performance

Test methods(Conform to JIS C 5202)

Resistance to soldering heat

Within ±(1%+0.05Ω)

No evidence of mechanical damage.

 Comply with 6.4

350±10℃, 3±1s  After test leave for 0.5h.

Solderability

Covered with new solder by 95% at least.

 Comply with 6.5

Test temperature of solder:255±5℃

Dipping time in solder:3±1.0 s

Resistance to solvent

No deterioration of protective coating and markings.

  Comply with 6.9

Specimens shall be immersed in a bath of isoproalcohol completely for 3 minutes with ultrasonic.

Temperature cycle

Within ±(1%+0.05Ω)

No evidence of mechanical damage.

  Comply with 7.4

Low side:-55℃/30min, Room temp.:10 to 15min

High side:80℃/30min, Room temp.:10 to 15min

5 cycles

Load life in humidity

Within ±(5%+0.05Ω)

 Comply with 7.9

40±2℃, 90 to 95%RH, 1000h

Rated voltage (90 min ON, 30 min OFF)

Load life

Within ±(5%+0.05Ω)

  Comply with 7.10

70±3℃, 1000h

Rated voltage (90 min ON, 30 min OFF)

 

4. Indication

 

 

Color

1st  figure

2nd figure

Multiplier

Tolerance

Distinguish

  Black

0

0

100

 

 

.

KNP type in ‘Black’,

NKNP type in ‘Green’.

Brown

1

1

101

±1%  

(F)

Red

2

2

102

±2%  

(G)

Orange

3

3

103

 

 

Yellow

4

4

104

 

 

Green

5

5

105

 

 

Blue

6

6

106

 

 

Violet

7

7

107

 

 

Gray

8

8

 

 

 

White

9

9

 

 

 

Gold

 

 

10-1

±5%

(J)

Silver

 

 

10-2

±10%

(K)

Plain

 

 

 

 

 

                  Power Type Wirewound Resistor KNP

 

5. External dimensions

 

5.1 P Type

 

The 5th color band; KNP type in ‘Black’, NKNP type in ‘Green’

Power Type Wirewound Resistor KNP

                                                                         Unit: mm

 

        Type

               Dimensions

Normal Size

Small Size

I±2.0

L±1.0

ψD

ψd±0.05

H±2.0

KNP1/2W,

NKNP1/2W

KNP1WS,

NKNP1WS

60

9.0

3.2±0.5

0.50

28

KNP1W,

NKNP1W

KNP2WS,NKNP2WS

60

11.5

4.5±1.0

0.68

25

73

11.5

4.5±1.0

0.68

31

KNP2W,

NKNP2W

KNP3WS,NKNP3WS

60

15.5

5.0±1.0

0.68

23

81

15.5

5.0±1.0

0.68

33

KNP3W,

NKNP3W

KNP5WS,

NKNP5WS

94

17.5

6.0±1.0

0.68

38

KNP5W,NKNP5W

94

24.5

8.0±1.0

0.68

35

 

5.2 Axial Lead Taping

 

 

Txx Type

Power Type Wirewound Resistor KNP

                                                        unit:mm

 

         Type

Taping

  Dimensions

Normal Size

Small Size

L

W

P

L1-L2

Max.

T

Z

Max.

R

Max.

t

Max.

e

Max.

S

Max.

KNP 1/2W

KNP 1WS

T52

9.0±1.0

52±1.0

 5±0.5

1.0

6±0.5

1.2

0

3.0

0.6

0.5

KNP 1W

KNP 2WS

T52

11.5±1.0

52±1.0

 5±0.5

1.0

6±0.5

1.2

0

3.0

0.6

0.5

T66

11.5±1.0

66±1.0

 5±0.5

1.0

6±0.5

1.2

0

3.0

0.6

0.5

KNP2W

KNP 3WS

T52

15.5±1.0

52±1.0

10±0.5

1.0

6±0.5

1.2

0

3.0

0.6

0.5

T73

15.5±1.0

73±1.0

10±0.5

1.0

6±0.5

1.2

0

3.0

0.6

0.5

KNP3W

KNP5WS

T84

17.5±1.5

84±1.0

10±0.5

1.0

6±0.5

1.2

0

3.0

0.6

0.5

KNP5W

T84

24.5±1.0

84±1.0

10±0.5

1.0

6±0.5

1.2

0

3.0

0.6

0.5

 

5.3 MB Type &M Type&MK Type

 

 

MB

Power Type Wirewound Resistor KNP

 

Watts

Dimensions (mm)

D

L

P±1.0

H1±1.0

H2±0.5

t±0.15

qMax

1/2w,1ws

3.2±0.5

9.0±1.0

12.5/15

10.5

4.5

1.2

3

1w,2ws

4.5±1.0

11.5±1.0

15

10.5

4.5

1.25

3

2w,3ws

5.0±1.0

15.5±1.0

20

10.5

4.5

1.25

3

3W5WS

6.0±1.0

17.5±1.0

25

10.5

4.5

1.25

3

5W

8.0±1.0

24.5±1.0

30

10.5

4.5

1.25

3

 

M                                                                                                           MK

Power Type Wirewound Resistor KNP

 

 

Watts

Dimensions (mm)

ΦD

L

P±1.0

H±1.0

1/2w,1ws

3.5±0.5

9.0±1.0

12.5/15

10

1w,2ws

4.5±1.0

11.5±1.0

15

10

2w,3ws

5.0±1.0

15.5±1.0

20

10

3w

6.0±1.0

17.5±1.0

25

10

5w

8.0±1.0

24.5±1.0

30

10

 

                               MK 

 

 

 

Watts

Dimensions (mm)

D

L

P±1.0

H±1.0

H1±1.0

1/2w,1ws

3.2±0.5

9.0±1.0

12.5

10

4.5

1w,2ws

4.5±1.0

11.5±1.0

15

10

4.5

2w,3ws

5.0±1.0

15.5±1.0

20

10

4.5

3W5WS

6.0±1.0

17.5±1.0

25

10

4.5

  

5.4  F Type &FK2Type&FKK Type

 

Power Type Wirewound Resistor KNP

 

 

Watts

Dimensions (mm)

ΦD

L

P±2.0

E Max

H±1.0

1/2w,1ws

3.2±0.5

9.0±1.0

6

3.5

5-8

1w,2ws

4.5±1.0

11.5±1.0

8

3.5

5-8

2w,3ws

5.0±1.0

15.5±1.0

8

3.5

5-8

3w

6.0±1.0

17.5±1.0

8

3.5

5-8

                              FK2

 

 

Watts

Dimensions (mm)

ΦD

L

P±2.0

E Max

H±1.0

1/2w,1ws

3.2±0.5

9.0±1.0

6

3.5

5-8

1w,2ws

4.5±1.0

11.5±1.0

8

3.5

5-8

2w,3ws

5.0±1.0

15.5±1.0

8

3.5

5-8

3w

6.0±1.0

17.5±1.0

8

3.5

5-8

FKK

Power Type Wirewound Resistor KNP

 

 

Watts

Dimensions(mm)

ΦD

L

P±1.0

E Max

H1±1.0

H2±1.0

1/2w,1ws

3.2±0.5

9.0±1.0

5-7

3.5

8

4.5

1w,2ws

4.5±1.0

11.5±1.0

5-9

3.5

8

4.5

2w,3ws

5.0±1.0

15.5±1.0

5-9

3.5

8

4.5

3w

6.0±1.0

17.5±1.0

5-10

3.5

8

4.5

 

6. Package

   6.1  Tape in box packing  (Ammo packing)

          6.1.1  Indication

                      (1)      Customer Part No.

(2)      Manufacturer Part No.

(3)      Quantity

(4)      Manufacturer

Power Type Wirewound Resistor KNP

6.1.2  Packing box size and quantity

 

 Type

 

Form

 

Quantity

 Dimensions (mm)

Normal Size

Small Size

L

W

H

KNP1/2W,

NKNP1/2W

KNP1WS,

NKNP1WS

T52

2000 PCS

260

80

85

KNP1W,

NKNP1W

KNP2WS,

NKNP2WS

T52

1000 PCS

260

80

85

T67

1000 PCS

260

85

92

KNP2W,

NKNP2W

KNP3WS,

NKNP3WS

T52

1000 PCS

260

80

100

T73

1000 PCS

260

95

92

KNP3W,

NKNP3W

KNP5WS,

NKNP5WS

T84

500PCS

260

110

75

KNP5W,NKNP5WS

T84

250PCS

260

110

75

 

 

6.2   Tape in box Bulk  (Ammo Bulk)

6.2.1    Indication

(1)      Customer Part No.

(2)      Manufacturer Part No.

(3)      Quantity

(4)      Manufacturer

Power Type Wirewound Resistor KNP

6.2.2 Packing box size and quantity

 

 Type

 

Form

Quantity

 Dimensions (mm)

Normal Size

Small Size

L

W

H

KNP1/2W,

NKNP1/2W

KNP1WS,

NKNP1WS

P

5000 PCS

240

140

76

   Moulding

5000 PCS

240

140

76

KNP1W,

NKNP1W

KNP2WS,

NKNP2WS

P

2000 PCS

240

140

76

   Moulding

2000 PCS

240

140

76

KNP2W,

NKNP2W

KNP3WS,

NKNP3WS

P

2000 PCS

240

140

76

   Moulding

2000 PCS

240

140

76

KNP3W,NKNP3W

KNP5WS,

NKNP5WS

P

100PCS

240

140

76

   Moulding

250PCS

240

140

76

KNP5W,NKNP5WS

P

50PCS

240

140

76

   Moulding

50PCS

240

140

76

 

 

 

 

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