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Surface Mount ResistorsLow Resistance Flat Chip Resistors[SR73]
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    Construction Applications Features Dimensions        
      Type Designation   Ratings   Derating Curve   Temperature Rise              
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Surface Mount Resistors/Low Resistance Flat Chip Resistors SR73
Coating color : Black(1H) , Indigo(1E, 1J, 2A, 2B, 2E, W2H, W3A)
  Construction
   
Surface Mount Resistors/Low Resistance Flat Chip Resistors SR73 Construction
1. Protective coating
2. Resistive film
3. Inner electrode
4. Ni plating
5. Solder plating
6. Ceramic substrate
 
Applications
 
• Computers, HDDs, Cellular-telephones, Power supplies, and Motor circuits, etc.
 
 
Features
 
• Current detecting resistors for power supply, motor circuits, etc.
•

High reliability and performance with resistance tolerance 0.5%, T.C.R. 100×10-6/K.
• Suitable for both reflow and flow solderings.
• Products with lead free termination 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)
L W c d t
1H
(0201)		 0.60.03 0.30.03 0.10.05 0.150.05 0.230.03 0.14
1E
(0402)
1.0 +0.1
-0.05
0.5 +0.1
-0.05
0.250.1 0.250.1 0.350.05 0.68
1J
(0603)		 1.60.2
0.8 +0.15
-0.1
0.350.1 0.350.1 0.450.1 2.14
2A
(0805)		 2.00.2 1.250.1 0.40.2
0.3 +0.2
-0.1
0.50.1 4.54
2B
(1206)		 3.20.2 1.60.2 0.50.3
0.4 +0.2
-0.1
0.60.1 9.14
2E
(1210)		 2.60.2 15.5
W2H
(2010)		 5.00.2 2.50.2 0.650.15 24.3
W3A
(2512)		 6.30.2 3.10.2 37.1
*1 SR73 2H and SR73 3A are also available.
   
Type Designation
 
  SR73   2B   T   TD   R10   J
             
  Product Code   Power Rating   Terminal
Surface Material		   Taping   Nominal
Resistance		   Resistance
Tolerance
      1H:0.1W
1E:0.125W
1J:0.2W
2A:0.25W
2B:0.33W
2E:0.5W
W2H:0.75W
W3A:1.0W 		  T:Sn
G:Au*3
(L:Sn/Pb) 		 
TCM: 2mm pitch press paper
TPL•TP : 2mm pitch punch paper
TD: 4mm pitch punch paper
TE: 4mm pitch plastic embossed
BK: Bulk
 
D, F:4digits
G,J.3digits
Ex.*2
0.1:R100
47m:47L
  D:0.5%
F:1%
G:2%
J:5%
                 
                   
*2
Resistance Value(omega) 3digits
24m~91m 24L~91L
0.1~0.91 R10~R91
1~9.1 1R0~9R1
10 100
Resistance Value(omega) 4digits
0.1~0.976 R100~R976
1~9.76 1R00~9R76
10 10R0
*3 Products with gold plated electrodes are also available only 2A type (0.1omega~10omega), so please consult with us.
The terminal surface material lead free is standard.
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 Common Specification
   
Ratings

Type T.C.R.
(×10-6/K)		 Power Rating Resistance Range() Max.Working Voltage Max.Overload Voltage
D:0.5%
E24•E96		 F:1%
E24•E96		 G:2%
E24 		J:5%
E24
1H 0 ~ +400 0.1W
 - 1 ~ 10 - 0.47 ~ 10 1.0V 2.5V
1E *4 200 0.125W
(0.166W*5) 		- 0.51 ~ 10 0.51 ~ 10 0.51 ~ 10 1.11V 2.79V
300 - 0.2 ~ 0.47 0.2 ~ 0.47 0.2 ~ 0.47
500 - 0.1 ~ 0.18 0.1 ~ 0.18 0.1 ~ 0.18
1J 200 0.2W
 - 0.1 ~ 10 0.1 ~ 10 0.1 ~ 10 1.41V 3.53V
2A 100 0.25W
(0.33W*5) 		0.15 ~ 10 0.1 ~ 10 — — 1.58V 3.95V
200 - — 0.1 ~ 10 0.1 ~ 10
500 - — — 0.051 ~ 0.091
800 - — — 0.030 ~ 0.047
2B 100 0.33W
(0.5W*5) 		0.15 - 10 0.1 - 10 — — 1.81V 4.54V
200 - — 0.1 ~ 10 0.1 ~ 10
500 - — — 0.056 ~ 0.091
800 - — — 0.030 ~ 0.051
2E 100 0.5W
(0.66W*5) 		- 0.1 ~ 10 — — 2.23V 5.59V
200 - — 0.1 ~ 10 0.047 ~ 10
500 - — — 0.036 ~ 0.043
1000 - — — 0.024 ~ 0.033
W2H*6 100 0.75W - 0.1 ~ 10 — — 2.73V 6.84V
200 - — 0.1 ~ 10 0.1 ~ 10
500 - — — 0.056 ~ 0.091
800 - — — 0.033 ~ 0.051
W3A 100 1.0W - 0.1 ~ 10 — — 3.16V 7.90V
200 - — 0.1 ~ 10 0.1 ~ 10
500 - — — 0.056 ~ 0.091
800 - — — 0.039 ~ 0.051
 

Rated Ambient Temperature :+70
Operating Temperature Range : -55 ~ +125 (1H) , 55 ~ +150 (1E, 1J, 2A, 2B, 2E, W2H, W3A, W3AS)
Rated voltage= √(Power Rating×Resistance value) or Max. working voltage, whichever is lower.
*4 The nominal resistance value for SR731H, SR731E (F : 1%) is in E24.
*6 SR73W3AS(W2H size) offers 1W power rating with limited resistance range.

   
Derating Curve

Surface Mount Resistors/Low Resistance Flat Chip Resistors SR73 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.
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Temperature Rise

Surface Mount Resistors/Low Resistance Flat Chip Resistors SR73 Temperature Rise
Regarding the temperature rise, the value of the temperature varies per conditions and board for use since the temperature is measured under our measuring conditions.
Please inquire of us if the component is used at *5 marked power.

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