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HOME>Products TOP>Resistors(SMD)>Low Resistance Resistors(WK73 Wide Terminal Type Flat Chip Resistors)

Surface Mount ResistorsWide Terminal Type Flat Chip Resistors[WK73]

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Construction Applications Features Dimensions        
Type Designation   Ratings   Derating Curve              
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Surface Mount Resistors/Metal Plate Chip Type Low Resistance Resistors TLR
Coating color : Black
  Construction
   
Surface Mount Resistors/Wide Terminal Type Flat Chip ResistorsWK73 Construction
(1) Protective coating
(2) Resistive film
(3) Inner electrode
(4) Ni plating
(5) Sn plating
(6) Ceramic substrate
 
Applications
  •Power supply , ECU etc.
 
 
Features
 
Flat chip resistors of wide terminal type.
High reliability and performance with T.C.R. 100×10-6/K , resistance tolerance 1%
Suitable for both reflow and flow solderings.
Products meet EU-RoHS requirements .
EU-RoHS regulation is not intended for Pb-glass contained in electrode , resistor element and glass .
 
 
Dimensions

Type
(Inch Size Code)
Dimensions (mm)
Weight(g)
(1000pcs)

L0.15

W0.15

c0.2

d0.15

t0.1
2B
(0612)
1.6 3.2 0.3 0.45 0.6 12.0
2H
(1020)
2.5 5.0 0.4 0.75 30.2
2J
(1218)
3.1 4.6 0.4 33.3
3A
(1225)
6.4 0.45 45.6
   
Type Designation
 
WK73S   2J   T   TE   33L0   F
         
Product Code
  Power Rating   Terminal
Surface Material
  Taping   Nominal *1
Resistance
  Resistance
Tolerance
WK73S
WK73R
  2B : 0.75W
2H : 1W
2J : 1W
3A : 1.5W
 
T : Sn
  TD :   4mm pitch
punch paper
  F : 4 digits
J : 3 digits
  F : 1%
J : 5%
TE :   4mm pitch
plastic embossed
          BK :   Bulk    
                 

Contact us when you have control request for environmental hazardous material other than the substance specified by EU-RoHS.
For further information on taping, please refer to Packagings For Chip Components.
*1
Resistance Value(omega) 3digits
10m~91m 10L~91L
0.1~9.1 R10~9R1
 
Resistance Value(omega) 4digits
22m~91m 22L0~91L0
0.1~9.1 R100~9R10
   
Ratings


Type

Power
Rating
T.C.R.
(×10-6/K)
Resistance Range
()
Resistance Tolerance Rated Ambient Temp.
E24
F : 1%
J : 5%
WK73S2B 0.75W 800 - 10m -27m 200V 400V
200 30m -390m 30m -390m
100 430m-9.1 430m-9.1
WK73R2B 100 10-3.3k 10-3.3k
WK73R2B*2 100 3.6k-1M 3.6k-1M
WK73S2H 1.0W 800 - 10m -24m 200V 400V
200 27m -200m 27m -200m
100 220m-9.1 220m-9.1
WK73R2H 100 10-430k 10-430k
200 470k-1M 470k-1M
WK73S2J
1.0W
800 - 10m -30m
200V
400V
200 33m -220m 33m -220m
100 240m -9.1 240m -9.1
WK73R2J 100 10-510k 10-510k
200 560k-1M 560k-1M
WK73S3A 1.5W 800 - 10m -20m
200V
400V
300 22m -30m 22m -30m
200 33m -330m 33m -330m
100 360m -9.1 360m -9.1
WK73R3A 100 10-330k 10-330k
200 360k-1M 360k-1M
*2 Under Development
Rated Ambient Temperature :+70
Operating Temperature Range :-55 ~ +155

Rated voltage= √(Power Rating×Resistance value or Max . working voltage , whichever is lower . )
   
Derating Curve

Surface Mount Resistors/Wide Terminal Type Flat Chip ResistorsWK73 Derating Curve
For resistors operated at an ambient temperature of 70 or above, a power rating shall be derated in accordance with the left derating curve on the left.

 
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