Ceramic Chip Trimmer Capacitor SEHWA STC3MA06-T1 Precise Capacitance Adjustment Electronic Circuits

Categories	Trimmers, Variable Capacitors
Operating Temperature:	-25℃~+85℃
Q @ Frequency:	500@1MHz
Body Width:	3.2mm
Body Length:	4.5mm
Capacitance:	2pF~6pF
Height - Seated(Max):	1.5mm
Tolerance:	0%~+50%
Voltage Rating:	100V
Description:	500@1MHz 2pF~6pF 0%~+50% 100V SMD,4.5x3.2mm Trimmers, Variable Capacitors RoHS
Mfr. Part #:	STC3MA06-T1
Model Number:	STC3MA06-T1
Package:	SMD,4.5x3.2mm

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Ceramic Chip Trimmer Capacitor SEHWA STC3MA06-T1 Precise Capacitance Adjustment Electronic Circuits

Product Overview

The SEHWA STC3M Series Chip Trimmer Capacitor is designed for precise capacitance adjustment in electronic circuits. Manufactured by SEHWA Co., Ltd., these ceramic trimmer capacitors offer a range of capacitance values and temperature coefficients, making them suitable for various applications requiring stable and reliable performance. They are available in different packing methods, including tape & reel and bulk type, facilitating integration into automated assembly processes.

Product Attributes

Brand: SEHWA
Product Type: Chip Trimmer Capacitor
Series: STC3M Series
Material: Ceramic Dielectric
Packing Methods: 1,000 pcs / reel (12mm Tape & Reel), Bulk Type

Technical Specifications

Item	STC3MA03 (3pF)	STC3MA06 (6pF)	STC3MB10 (10pF)	STC3MD20 (20pF)	STC3ME30 (30pF)	Remark
Capacitance (pF Max)	3.0 +50 -0 %	6.0 +50 -0 %	10.0 +50 -0 %	20.0 +50 -0 %	28.5 +50 -0 %
Capacitance (pF Min)	1.5 max	2.0 max	3.0 max	5.8 max	8.0 max
Temperature Coefficient (ppm/)	NP0300	NP0200	N750400	N1300400	N1300400
Capacitance Drift (Max)	2%	2%	2%	3%	3%
Q value (at 1 MHz, C max)	300 Min	500 Min	600 Min	250 Min	250 Min
Insulation Resistance (Min)	10⁴	10⁴	10⁴	10⁴	10⁴
DC Rated Voltage (VDC)	100	100	100	100	100
DC Withstanding Voltage (VDC)	220	220	220	220	220
Rotation Torque (gf.cm)	15 ~ 72					Min 15
Operating Temperature ()	- 25 to 85
Environmental Test: Submersion Test	3pf	6pf	10pf	20pf	30pf	Remark
Cap Change (%)	2%	2%	3%	3%	5%
Insulation resistance (Min)	10⁴	10⁴	10⁴	10⁴	10⁴
Min Q Value	400	500	500	200	200
Environmental Test: Cleaning Test	3pf	6pf	10pf	20pf	30pf	Remark
Cap Change (%)	2%	2%	3%	3%	5%
Insulation resistance (Min)	10⁴	10⁴	10⁴	10⁴	10⁴
Min Q Value	300	300	500	200	200
Environmental Test: Low Temp Test	3pf	6pf	10pf	20pf	30pf	Remark
Cap Change (%)	2%	2%	3%	5%	5%
Insulation resistance (Min)	10⁴	10⁴	10⁴	10⁴	10⁴
Min Q Value	300	300	500	200	200
Environmental Test: Humidity Test	3pf	6pf	10pf	20pf	30pf	Remark
Cap Change (%)	2%	2%	3%	3%	5%
Insulation resistance (Min)	10⁴	10⁴	10⁴	10⁴	10⁴
Min Q Value	400	400	500	500	300
Environmental Test: High Temp Test	3pf	6pf	10pf	20pf	30pf	Remark
Cap Change (%)	2%	2%	3%	3%	5%
Insulation resistance (Min)	10⁴	10⁴	10⁴	10⁴	10⁴
Min Q Value	400	400	500	200	200

Cautions

Adjustment

Maximum pressure of screwdriver should be less than 100g.f.
Use recommended screwdriver (VESSEL 9000, or equivalent tip).
High pressure can lead to extensive setting drift or damage to internal elements.

Soldering

Please refer to the recommended solder profile [Figure-2]. Unsuitable soldering conditions may cause the trimmer capacitor to deviate from specified performance characteristics.
Use proper amount of solder; excessive amounts can cause bridging between terminals or contact failure due to flux invasion. Insufficient solder may lead to insufficient soldering strength on the PCB.
Do not touch the trimmer capacitor body or terminals directly with a soldering iron, as this can cause serious damage.
Do not use flow-soldering (dipping soldering) as it might penetrate into the trimmer capacitor.
Do not use inappropriate adhesives, such as bond or instant glue.
If SEHWA's recommended land pattern is not used, check mounting alignment in your mass production line.
After reflow soldering, cool down at room temperature for at least 4 hours. Insufficient cooling time can lead to larger capacitance drift due to expansion and shrinkage.

Storage

It is recommended to use within 6 months after delivery.
Store components under temperatures of -10~40 and humidity of 30~70% RH.
Do not store the trimmer capacitor in corrosive conditions.
Do not open the package until just prior to use.
Do not store under direct sunlight or in dewy environments.

Others

Before using trimmer capacitors, please test and make a prototype product after assembly.
Do not warp and/or bend PCB to prevent trimmer capacitor from breakage.
Do not use locking paint or any substance to secure the rotor position, as this can degrade characteristics.

2410121707_SEHWA-STC3MA06-T1_C22468120.pdf

Ceramic Chip Trimmer Capacitor SEHWA STC3MA06-T1 Precise Capacitance Adjustment Electronic Circuits

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