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Leaded ResistorsPRECISION TYPE
Insulation - Coated Metal Film Resistors[LF]
Flame Retardant Coated Metal Film Resistors [LFF]
Lead Frame Redial Type Glazed Metal Film Fixed Resistors [RK26]
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Construction Features Dimensions Type Designation Ratings Derating Curve
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Leaded Resistors/PRECISION TYPE LF/LFF/RK26
Coating color : Blue
Marking : Color dot
  Construction
   
Leaded Resistors/PRECISION TYPE LF/LFF/RK26 Construction
1. Insulation coating 5. Electrode cap
2. Marking 6. Terminal
3. Trimming line 7. Resistive film
4. Ceramic core    
 
 
Features
 
• L-shaped, 2.54mm, 5.08mm and 7.62mm pitches between terminals make a high density mounting available.
• Optimal for compacting equipment due to its height of 5.5mm or under.
• RK26 is available from 100k to 33M.
• LF・LFF
Products meet EU-RoHS requirements.
RK26
Products meet EU-RoHS requirements.
EU-RoHS regulation is not intended for Pb-glass contained in resistor element.
 
 
Dimensions
Type
 Dimensions (mm) Weight(g)
(1000pcs)
L Max. D Max. P d h H t
LF1/8 5.0 2.5 2.540.2 0.5  5.08 6.01.0 0.25 57
LF1/4 7.5 5.080.2  5.5 3.00.5 0.3 116
LF1/4L 5.50.5
LF1/2 9.6 7.620.3 140
LFF1/4 7.25 2.54 5.080.3 5.01.0 116
RK26B2E
   
Type Designation
LF 1/4 D T T A 1002 F
Product
Code 		Power
Rating 		T.C.R.
(10-6/K) 		Terminal
Surface Material		 Taping Packaging Nominal
Resistance 		Resistance
Tolerance
LF: Metal film
LFF: Flame retardant coating
  1/8:0.125W
1/4:0.25W
1/4L:0.25W
1/2:0.5W		   C:50
D:100
L:200		 T:Sn
   Nil:Bulk
T:Taping
(1/8W,1/4W)		   Nil:Bulk
A:AMMO
(1/8W,1/4W)		   D,F:4 digits
G,J:3 digits		   D:0.5%
F:1%
G:2%
J :5%
For LF 1/4L, only bulk type is available.
RK26 B 2E T T A 1003 F
Product
Code 		T.C.R.
(10-6/K) 		Power
Rating  		 Terminal
Surface Material		 Taping Packaging Nominal
Resistance 		Resistance
Tolerance
RK:Glazed   B:350   2E:0.25W T:Sn   Nil:Bulk
T:Taping 		  Nil:Bulk
A:AMMO		   F:4 digits
G,J:3 digits		   F:1%
G:2%
J :5%
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
 Power
Rating		 T.C.R.
(10-6/K)
Resistance Range ( ) Max.Working
Voltage 		Max. Overload
Voltage(D.C.)
D:0.5%
E96		 F:1%
E24,E96		 G:2%
E24		 J:5%
E24
LF1/8 0.125W C:50  44.9562k 4.71M 11M 11M 200V  400V
 D:100
L:200
LF1/4
LF1/4L		 0.25W  C:50 101M 101M 11M 11M 250V 500V
 D:100
L:200
LF1/2 0.5W  C:50 101M 101M 11M 11M 350V 700V
 D:100
L:200
LFF1/4 0.25W  C:50 - 10100k 1100k - 250V 500V
 D:100
RK26B2E 0.25W  B:350 - 100k22M 100k33M 100k33M 500V 700V

Rated Ambient Temperature : +70
Operating Temperature Range : -55 - +150(LF), -55 - +155(LFF, RK26)
Rated voltage=√( Power Rating×Resistance value ) or Max. working voltage, whichever is lower.

   
Derating Curve

Leaded Resistors/PRECISION TYPE LF/LFF/RK26 Dreating Curve
For resistors operated at an ambient temperature of 70 or above, a power rating shall be derated in accordance with derating curve on the left.
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