EU
(
)
THICK FILM WIDE TERMINAL TYPE LOW RESISTANCE
RoHS
Wide Terminal Type Flat Chip Resistors
WK73S
■Construction
L
c
c
W
⑥
⑤
t
④
①ꢀProtective coating ④ꢀNi plating
②ꢀResistive film
③ꢀInner electrode
⑤ꢀSn plating
⑥ꢀCeramic substrate
d
①
②
③
Coating color：Black
■Dimensions
■Features
Dimensions（mm）
Type
Resistance
Weigh（t g）
（1000pcs）
Flat chip resistors of wide terminal type.
High reliability and performance with T.C.R.±100×10－6/K,
resistance tolerance ±0.5%.
・
・
（Inch Size Code） Range（Ω）
L±0.15
W
c
d
t±0.1
20m～61.9m
62m～9.76
0.4±0.15
0.3±0.2
2A（0508）
1.25
2.0±0.15
0.35±0.2
0.55
4.93
Suitable for both reflow and flow solderings.
Products meet EU-RoHS requirements.
・
・
2B（0612）
2H（1020）
3A（1225）
10m～9.76
10m～9.76
10m～9.76
1.6
2.5
3.1
3.2±0.2
5.0±0.15 0.4±0.2
6.3±0.15 0.45±0.2
0.3±0.2 0.45±0.15
12.0
30.2
45.6
0.6
0.75±0.15
ꢀEU-RoHS regulation is not intended for Pb-glass contained in
electrode, resistor element and glass.
AEC-Q200 Tested.
・
■Type Designation
■Applications
ꢀExample
Power supply, ECU etc.
・
2B
T
33L0
F
WK73S
TD
■Reference Standards
ꢀ IEC 60115-8
ꢀ JIS C 5201-8
Product
Code
Power
Rating
※1
Terminal
Taping
Nominal
Resistance
Tolerance
D:±0.5%
F:±1%
J:±5%
Surface Material
Resistance
TD:4mm pitch
punch paper
TE:4mm pitch
plastic
embossed
BK:Bulk
2A:1W
T：Sn
D,F:4 digits
J:3 digits
2B:0.75W
ꢀ EIAJ RC-2134C
※1
1W
2H:1W
3A:1.5W
※1
2W
Resistance Value
Resistance Value
（Ω）
22m～97.6m
0.1～9.76
3 digits
4 digits
（Ω）
10m～91m
0.1～9.1
10L～91L
R10～9R1
22L0～97L6
R100～9R76
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 APPENDIX C on the back pages.
■Ratings
Resistance Range（Ω）
Taping & Q’ty/Reel（pcs）
Power
Rating
Rated Ambient Rated Terminal
T.C.R.
Type
D：±0 . 5％
F：±1％
E24・E96
J：±5％
E24
－6
Temp.
Part Temp.
（×10 /K）
E24・E96
TD
TE
±100
0～＋200
0～＋300
±100
±200
±800
±100
±200
±800
±100
±200
±800
±100
±200
±300
±800
±100
±200
±300
±800
－
－
－
1～9.76
30m～976m
20m～29.4m
430m～9.76
30m～422m
－
430m～9.76
30m～422m
－
220m～9.76
27m～215m
－
360m～9.76
33m～357m
22m～32.4m
－
1～9.1
30m～910m
20m～27m
430m～9.1
30m～390m
10m～27m
430m～9.1
30m～390m
10m～27m
220m～9.1
27m～200m
10m～24m
360m～9.1
33m～330m
22m～30m
10m～20m
360m～9.1
33m～330m
22m～30m
10m～20m
WK73S2A
1W※1
0.75W
1W※1
1W
70℃
125℃
430m～9.76
70℃
70℃
70℃
125℃
115℃
125℃
－
－
5,000
－
WK73S2B
WK73S2H
430m～9.76
－
－
－
－
－
－
－
－
－
－
－
－
－
－
－
4,000
4,000
1.5W
2W※1
70℃
70℃
125℃
115℃
WK73S3A
360m～9.76
33m～357m
22m～32.4m
－
Operating Temperature Range：－55℃～＋155℃
Rated voltage＝ Power Rating×Resistance value
√‾‾‾‾‾‾‾‾‾‾‾‾
※1 If you use at the rated power, please keep the condition that the terminal of the resistor is below the rated terminal part temperature. Please refer to the derating curves based on the terminal
temperature of right side on the next page.
If any questions arise whether to use the“Rated Ambient Temperature”or the“Rated Terminal Part Temperature”in your usage conditions, please give priority to the“Rated Terminal Part Temperature”.
For more details, please refer to“Introduction of the derating curves based on the terminal part temperature”on the beginning of our catalog.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
Mar. 2023
Oct. 2023
Contact our sales representatives before you use our products for applications including automotives, medical equipment and aerospace equipment.
Contact our sales representatives before you use our products for applications including automotives, medical equipment and aerospace equipment.
Malfunction or failure of the products in such applications may cause loss of human life or serious damage.
Malfunction or failure of the products in such applications may cause loss of human life or serious damage.
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