-Specialist in Thin Film Technology-
Susumu Deutschland GmbHRecommended land patterns (soldering footprints)
①For thin film chip resistor
| 【Applicable series】 | ||||
| ・URG series | ・RG series | ・RGT series | ・RGV series | ・NRG series |
| ・MRG series | ・RGA series*1 | ・RS series | ・RR series | ・RT series |
| Sizes | a | b | c |
|---|---|---|---|
| 0603 | 0.28 | 0.76 | 0.34 |
| 1005 | 0.5 | 1.6 | 0.6 |
| 1608 | 1.0 | 3.0 | 1.2 |
| 2012 | 1.2 | 4.0 | 1.65 |
| 3216 | 2.2 | 5.0 | 2.0 |
| 3225 | 2.2 | 5.5 | 2.9 |
| 5025 | 3.8 | 6.8 | 2.9 |
| 6432 | 4.8 | 8.2 | 3.6 |
*1 RGA is compatible with conductive epoxies.
Please contact our sales office for details for conductive epoxy usage.
| 【Applicable series】 |
| ・PRG series |
| Sizes | a | b | c | d(*1) (reference) |
|---|---|---|---|---|
| 3216 | 0.8 | 1.1 | 3.7 | ≧27 |
| 5025 | 1.2 | 1.4 | 5.5 | ≧27 |
| 6432 | 2 | 2.1 | 6.9 | ≧27 |
*1 Please design the land pattern considering heat dissipation to the board so that the terminal temperature will not exceed 155℃.
| 【Applicable series】 |
| ・HRG series |
| Sizes | a | b | c | d*1 (reference) |
|---|---|---|---|---|
| 3216 | 0.55 | 1.9 | 1.8 | ≧27 |
*1 Please design the land pattern considering heat dissipation to the board so that the terminal temperature will not exceed 155℃.
| 【Applicable series】 | |
| ・RM series*1 | ・RMA series*2 |
○ 4 terminal type
| Sizes | a | b | c | d | e | f |
|---|---|---|---|---|---|---|
| RM/RMA2012 | 0.6 ～ 0.7 | 1.6 ～ 1.8 | 0.4 ～ 0.6 | 1.8 ～ 2.0 | 0.7 ～ 0.9 | 1.3 ～ 1.5 |
| RM/RMA3216 | 0.6 ～ 0.8 | 2.4 ～ 2.7 | 0.6 ～ 0.8 | 2.6 ～ 3.2 | 1.4 ～ 1.6 | 2.2 ～ 2.4 |
| RM/RMA3225 | 1.5 ～ 1.7 | 3.3 ～ 3.6 | 0.6 ～ 0.8 | 2.6 ～ 3.2 | 1.4 ～ 1.6 | 2.2 ～ 2.4 |
○ 6 terminal type
| Sizes | a | b | c | d | e | f |
|---|---|---|---|---|---|---|
| RM3216 | 0.5 ～ 0.7 | 2.4 ～ 2.7 | 0.6 ～ 0.8 | 2.5 ～ 2.7 | 0.2 ～ 0.3 | 0.9 ～ 1.0 |
| RM3225 | 1.3 ～ 1.5 | 3.3 ～ 3.6 | 0.6 ～ 0.8 | 2.5 ～ 2.7 | 0.2 ～ 0.3 | 0.9 ～ 1.0 |
○ 8 terminal type
| Sizes | a | b | c | d | e | f |
|---|---|---|---|---|---|---|
| RM3216 | 0.7 ～ 0.8 | 2.2 ～ 2.3 | 0.4 ～ 0.45 | 2.9 ～ 3.0 | 0.3 ～ 0.35 | 0.8 ～ 0.85 |
| RM3225 | 1.4 ～ 1.5 | 3.4 ～ 3.5 | 0.4 ～ 0.45 | 2.9 ～ 3.0 | 0.3 ～ 0.35 | 0.8 ～ 0.85 |
| RM6432 | 1.9 ～ 2.0 | 4.0 ～ 4.1 | 0.85 ～ 0.9 | 5.7 ～ 5.8 | 0.7 ～ 0.75 | 1.6 ～ 1.65 |
*1 Custom RM requires custom land patterns. Please contact us.
*2 RMA is compatible with conductive epoxies. Please contact our sales office for details for conductive epoxy usage.
②For current sensing chip resistor
| 【Applicable series】 |
| ・KRL series(long side terminal） |
| Types | Resistance range |
Copper foil thickness (um) |
a | b | c |
|---|---|---|---|---|---|
| KRL1608D/E | 10mΩ～ | 0.25 | 1.60 | 1.70 | |
| KRL2012D/E | 1mΩ*1 | 100 | 0.25 | 2.00 | 2.20 |
| 2mΩ～ | 35 | 0.60 | |||
| KRL3216D/E | 1mΩ*1 | 100 | 0.40 | 2.40 | 3.40 |
| 2mΩ～ | 35 | 0.60 | |||
| KRL5025D/E | 1mΩ*1 | 35 | 0.70 | 4.00 | 5.20 |
| 2mΩ～ | 100 | 1.20 | |||
| KRL6432D/E | 1mΩ*1 | 0.70 | 4.20 | 6.60 | |
| 2mΩ～ | 2.20 | ||||
| KRL7638D/E | 1mΩ*1 | 1.10 | 4.60 | 7.80 | |
| 2mΩ～ | 2.60 | ||||
| KRL9045D/E | 1mΩ*1 | 1.30 | 5.10 | 9.20 | |
| 2mΩ～ | 3.10 | ||||
| KRL11050D/E | 1mΩ*1 | 1.80 | 5.60 | 11.20 | |
| 2mΩ～ | 3.60 |
*1 Refer to the diagram right for the Land pattern of 1mΩ
| 【Applicable series】 |
| ・KRL series(Short side terminal） |
| Types | Resistance range |
Copper foil thickness (um) |
a | b | c |
|---|---|---|---|---|---|
| KRL0816D/E | 10～18mΩ*1 | 35 | 0.10 | 2.20 | 1.00 |
| 20～39mΩ*1 | 0.50 | ||||
| 43mΩ～ | 100 | 0.90 | |||
| KRL1220D/E | 5mΩ～ | 100 | 1.20 | 2.70 | 1.50 |
| KRL1632D/E | 5 ～ 8mΩ | 1.00 | 4.00 | 1.90 | |
| 9mΩ～ | 2.00 | ||||
| KRL2550D/E | 5 ～ 8mΩ | 2.20 | 6.00 | 2.80 | |
| 9mΩ～ | 3.80 | ||||
| KRL3264D/E | 5 ～ 8mΩ | 2.50 | 7.40 | 3.50 | |
| 9mΩ～ | 4.40 | ||||
| KRL50110D/E | 5 ～ 8mΩ | 2.80 | 14.00 | 5.75 | |
| 9mΩ～ | 5.50 |
*1 Refer to the diagram right for the land pattern of KRL0816D/E
| 【Applicable series】 |
| ・KRL series (4 terminal type） |
| Sizes | a | b | c | d | e |
|---|---|---|---|---|---|
| KRL3216T4 | 0.40 | 2.70 | 0.35 | 0.30 | 2.70 |
| KRL3216T4A | 0.76 | 2.76 | 0.76 | 0.38 | 2.29 |
| KRL6432T4 | 2.00 | 4.40 | 0.70 | 0.50 | 5.40 |
| KRL7638T4 | 2.00 | 4.40 | 1.00 | 0.60 | 6.30 |
| KRL9045T4 | 2.60 | 5.00 | 1.20 | 0.70 | 7.50 |
| KRL11050T4 | 3.20 | 5.60 | 1.60 | 1.10 | 8.70 |
| 【Applicable series】 |
| ・RL Series(Short side terminal) |
| Sizes | a | b | c |
|---|---|---|---|
| 0510 | 0.5 | 1.9 | 0.7 |
| 0816 | 0.7 | 3.0 | 1.6 |
| 1220 | 1.0 | 4.0 | 2.4 |
| 【Applicable series】 |
| ・RL Seires(Long side terminal) |
| Sizes | a | b | c | d |
|---|---|---|---|---|
| RL3720W | 1.2 | 7.9 | 7.9 | 27.0 |
| RL7520W | 1.2 | 15.8 | 15.8 | 27.0 |
Technical Information
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- 1.Basic knowledge of resistors
- 2.Manufacturing methods and characteristics of thin film resistors
- 3.Performance characteristics of thin film resistors
- 4.High precision and high reliability
- 5.Trimmable chip resistors and altering resistive values
- 6.Application and recommended usage of thin film chip resistors
- 7.Application and recommended usage of small high power thin film ship resistors
- 8.Various methods of current sensing and advantage of current sensing resistors
- 9.Application and recommended usage of current sensing resistors
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Susumu Deutschland GmbH
