ROHM Offers the Smallest* Electronic Components in the Industry This new ultra-compact family is ideal for high density, high-performance mobile products and wearable devices
New RASMID™ lineup developed using innovative, breakthrough technologies 
World's Smallest* Chip Resistors: 03015 Size

Key
Features
- World's smallest size - mounting area reduced by 44%
- Original processes utilized for high accuracy
- Chip dimensional precision improved from ±20um to ±10um
- Gold electrodes adopted for improved solderability and reliability
Product Family | Package (mm) |
---|---|
SMR003 Series | CSP (Chip Scale Package): 0.3x0.15, t=0.1 |
World's Smallest* Diodes: 0402 Size (01005 in)

Key
Features
- World's smallest size - mounting area reduced by 56%
- Chip dimensional precision improved from ±20um to ±10um, improving stability in existing automated mounting equipment
- Gold electrodes utilized for superior solderability and reliability
Product Family | Package (mm) |
---|---|
SMD0402 (0402): 0.4x0.2, t=0.12 |
RASMID™ is a trademark of ROHM Co., Ltd. Please note that the percentages for area and volume were rounded off to the nearest integer.
The world's smallest micro devices
World's Smallest* Monolithic Power Supplies (IC Modules): IC integrated within the substrate for greater miniaturization
Key
Features
-
Buck Types
650mA, 1.2V/1.25V/1.8V/1.85V, 6MHz -
Boost Types
175mA/19mA, 5V/4.5V, 238kHz/642kHz
Product Family | Package (mm) |
---|---|
BGA-MD (8pin): 2.3x2.9, t=1.0 max. |

World's Smallest* CMOS LDOs: TF2 Series

Key
Features
- 5.5V input, 200mA, high PSRR CMOS LDO
Product Family | Package (mm) |
---|---|
TF2 Series |
XCSP30L1: 0.65x0.65, t=0.35 max. |

World's Smallest* Transistors: 0604 Size

Class-leading* size Transistors: 0806 Size

Class-leading* size Ultra-Compact Low Profile Chip LEDs: 1006-Size PICOLED™ Series

Key
Features
- The smallest class of monochrome (single-color) chip LEDs
- Special package design prevents solder penetration
- Ideal for matrix displays in wearable devices
- PICOLED™-eco series available (1mA class)
Product Family | Package (mm) |
---|---|
PICOLED™: 1.0x0.6, t=0.2 |
|
PICOLED™ -eco: 1.0x0.6, t=0.2 |

World's Smallest* Ultra-Low Ohmic Chip Resistors for Current Detection: 0603 Size (0201 in)

Key
Features
- Special alloy used for the resistive element, resulting in superior TCR characteristics
- Trimless design improves current detection accuracy
- Proprietary chip structure ensures high reliability even under harsh temperature changing environments
Product Family | Package (mm) |
---|---|
PMR006: 0.6x0.3, t=0.23 |

World's Smallest* Tantalum Capacitors: 1005 Size (0402 in)

Key
Features
- 0.47µF to 15µF, 20V to 2.5V
Product Family | Package (mm) |
---|---|
TCT U Case: 1.0x0.5, t=0.6 max. |

World's Smallest* Conductive Polymer Capacitors: 1005 Size (0402 in)

Key
Features
- 0.47µF to 4.7µF, 10V to 2.5V
Product Family | Package (mm) |
---|---|
Conductive Polymer Bottom Electrode Type (Large Capacitance): TCTO Series |
TCTO U Case: 1.0x0.5, t=0.6 max. |

PICOLED™ is a registered trademark of ROHM Co., Ltd. Please note that the percentages for area and volume were rounded off to the nearest integer.
Mounting Equipment

Supports high density mounting in wearable devices
with NUI (Natural User Interface) for intuitive operation
- Smartphones (multifunction mobile phones)
- Tablet PCs
- Smart glasses using augmented reality
- Smart watches (that log activity data)
- Biometric authentication devices
- Head-mounted displays
- Health & fitness devices
- Next-generation gaming systems