Name: JR300
Brand: Knowles Voltronics
SKU: JR300
Availability: InStock
Rating: 5 (164 reviews)

JR300

For Reference Only

Part Number	JR300
Manufacturer	Knowles Voltronics
Description	CAP TRIMMER 5.5-30PF 100V SMD
Datasheet	JR300 Specifications
Package	-
ECAD
In Stock	110,700 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	Apr 29 - May 4 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # JR300 (Trimmers, Variable Capacitors) is manufactured by Knowles Voltronics and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For JR300 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add JR300 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of JR300.

JR300 Specifications

Manufacturer	Knowles Voltronics
Category	Capacitors - Trimmers, Variable Capacitors
Package	-
ECAD
Series	JR
Capacitance Range	5.5 ~ 30pF
Adjustment Type	Top Adjustment
Voltage - Rated	100V
Size / Dimension	0.138" L x 0.122" W (3.50mm x 3.10mm)
Height - Seated (Max)	0.045" (1.15mm)
Mounting Type	Surface Mount
Features	General Purpose

JR300 Reviews

Dahl*****eeks

April 4, 2023

★ ★ ★ ★ ★

Fast shipping, items are exactly as promised. Reliable company to work with.

Annab*****Winters

April 3, 2023

★ ★ ★ ★ ★

All resistors exactly -0.01%. Pretty good.

Sau*****ain

April 3, 2023

★ ★ ★ ★ ★

Good and works well. What else is there to say about it.

Ainsl*****itaker

March 29, 2023

★ ★ ★ ★ ★

Awesome selection! Great service for whatever electronic parts you want! Prices are competitive as well. Thank you!

Jud***** Diaz

March 21, 2023

★ ★ ★ ★ ★

Perfect! Nice components, professional service!

Sar*****aster

March 21, 2023

★ ★ ★ ★ ★

Everything is good. Well made terminal blocks. Good consistency and I found no bad ones in the bunch.

Mica*****ndhawa

March 18, 2023

★ ★ ★ ★ ★

Exactly as listed and arrived very fast, excellent price and service!

Laws*****orse

March 16, 2023

★ ★ ★ ★ ★

Work great, great price, I use a lot of them for battery chargers, not the first time ordered.

Jos*****anda

March 14, 2023

★ ★ ★ ★ ★

Wow super fast delivery, product as described good company!

Write a Review

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Thanks for Your Review!

JR300 Packaging

JR300 FAQ

1. How to order JR300 on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that JR300 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the JR300. All suppliers must pass our qualification reviews before they can publish their products including JR300 on Heisener; we pay more attention to the channels and quality of JR300 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the JR300 price and inventory displayed accurate?

The price and inventory of JR300 fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of JR300?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the JR300 we delivered, we will accept the replacement or return of the JR300 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of JR300.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as JR300 pin diagram, JR300 datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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JR300 Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number	Manufacturer	Description	Stock
RUT1608JR300CS D# RUT1608JR300CS	Samsung Semiconductor	RESISTOR, 0603, 300MOHM, 0.125W, 1/8W, 100PPM, 5% - Tape and Reel (Alt: RUT1608JR300CS) RoHS: Compliant	0
NCST04JR300GTRF D# NCST04JR300GTRF	NIC Components Corp	Res 0402 0.3 Ohm 5% 1/16W ±300ppm/°C Molded SMD SMD Paper T/R - Tape and Reel (Alt: NCST04JR300GTRF) RoHS: Compliant	0
NCST50JR300GTRF D# NCST50JR300GTRF	NIC Components Corp	Res 2010 0.3 Ohm 5% 3/4W ±300ppm/°C Molded SMD SMD Embossed Plastic T/R - Tape and Reel (Alt: NCST50JR300GTRF) RoHS: Compliant	0
NCST100JR300GTRF D# NCST100JR300GTRF	NIC Components Corp	Res 2512 0.3 Ohm 5% 1W ±300ppm/°C Molded SMD SMD Embossed Plastic T/R - Tape and Reel (Alt: NCST100JR300GTRF) RoHS: Compliant	0
NCST12JR300GTRF D# NCST12JR300GTRF	NIC Components Corp	Res 1206 0.3 Ohm 5% 1/4W ±300ppm/°C Molded SMD SMD Paper T/R - Tape and Reel (Alt: NCST12JR300GTRF) RoHS: Compliant	0
RUT3216JR300CS D# RUT3216JR300CS	Samsung Semiconductor	RESISTOR, 1206, 300MOHM, 0.33W, 1/3W, 100PPM, 5% - Tape and Reel (Alt: RUT3216JR300CS) RoHS: Compliant	0
NCST06JR300GTRF D# NCST06JR300GTRF	NIC Components Corp	Res 0603 0.3 Ohm 5% 1/10W ±300ppm/°C Molded SMD SMD Paper T/R - Tape and Reel (Alt: NCST06JR300GTRF) RoHS: Compliant	0
RUT1005JR300CS D# RUT1005JR300CS	Samsung Semiconductor	RESISTOR, 0402, 300MOHM, 0.1W, 1/10W, 100PPM, 5% - Tape and Reel (Alt: RUT1005JR300CS) RoHS: Compliant	0
NCST10JR300GTRF D# NCST10JR300GTRF	NIC Components Corp	Res 0805 0.3 Ohm 5% 1/8W ±300ppm/°C Molded SMD SMD Paper T/R - Tape and Reel (Alt: NCST10JR300GTRF) RoHS: Compliant	0
RUT2012JR300CS D# RUT2012JR300CS	Samsung Semiconductor	RESISTOR, 0805, 300MOHM, 0.25W, 1/4W, 100PPM, 5% - Tape and Reel (Alt: RUT2012JR300CS) RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
MURC3J_R3_00001 D# MURC3J_R3_00001	PanJit Semiconductor	Diode Super Fast Recovery Rectifier 600V 3A 2-Pin DO-214AB T/R (Alt: MURC3J_R3_00001) RoHS: Compliant	0
ER3JT/R7 D# ER3J_R3_00001	PanJit Semiconductor	Diode Switching 600V 3A 2-Pin SMC T/R (Alt: ER3J_R3_00001) RoHS: Compliant	0
MURC5J_R3_00001 D# MURC5J_R3_00001	PanJit Semiconductor	Diode Super Fast Recovery Rectifier 600V 5A 2-Pin DO-214AB T/R (Alt: MURC5J_R3_00001) RoHS: Compliant	0
ER1JT/R7 D# ER1J_R3_00001	PanJit Semiconductor	Diode Switching 600V 1A 2-Pin SMB T/R (Alt: ER1J_R3_00001) RoHS: Compliant	0
FR1JT/R7 D# FR1J_R3_00001	PanJit Semiconductor	Diode Switching 600V 1A 2-Pin SMB T/R (Alt: FR1J_R3_00001) RoHS: Compliant	0
UF1JT/R7 D# UF1J_R3_00001	PanJit Semiconductor	Diode Switching 600V 1A 2-Pin SMB T/R (Alt: UF1J_R3_00001) RoHS: Compliant	0
FR3JT/R7 D# FR3J_R3_00001	PanJit Semiconductor	Diode Switching 600V 3A 2-Pin SMC T/R (Alt: FR3J_R3_00001) RoHS: Compliant	0
UF2JT/R7 D# UF2J_R3_00001	PanJit Semiconductor	Diode Switching 600V 2A 2-Pin SMB T/R (Alt: UF2J_R3_00001) RoHS: Compliant	0
S3J_R3_00001 D# S3J_R3_00001	PanJit Semiconductor	3A/600V/GEN.PURP. RECT./SMD/GP (Alt: S3J_R3_00001) RoHS: Compliant	0
UF3JT/R7 D# UF3J_R3_00001	PanJit Semiconductor	Diode Switching 600V 3A 2-Pin SMC T/R (Alt: UF3J_R3_00001) RoHS: Compliant	0
S1J_R3_00001 D# S1J_R3_00001	PanJit Semiconductor	1A/600V/GEN.PURP. RECT./SMD/GP (Alt: S1J_R3_00001) RoHS: Compliant	0
S2JT/R7 D# S2J_R3_00001	PanJit Semiconductor	Diode 600V 2A 2-Pin SMB T/R (Alt: S2J_R3_00001) RoHS: Compliant	0
FR2JT/R7 D# FR2J_R3_00001	PanJit Semiconductor	Diode Switching 600V 2A 2-Pin SMB T/R (Alt: FR2J_R3_00001) RoHS: Compliant	0
ER2JT/R7 D# ER2J_R3_00001	PanJit Semiconductor	Diode Switching 600V 2A 2-Pin SMB T/R (Alt: ER2J_R3_00001) RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

CFR-25JR-300R

YAGEO Corporation

2500

Part Number	Manufacturer	Description	Stock
LVC06JR300EV	Ohmite Mfg Co	RES SMD 0.3 OHM 5% 1/4W 1206	0
JR300	Samsung Electro-Mechanics	RESISTOR, 0402, 300MOHM, 0.1W, 1/10W, 100PPM, 5% - Tape and Reel	0
LVC25JR300EV	Ohmite Mfg Co	RES SMD 0.3 OHM 5% 1W 2512	0

Part Number	Manufacturer	Description	Stock
CR2010JR300E04R	Ever Ohms Technology Co Ltd	0.3ohms ±, 5% 3/4W ±, 600ppm/C 2010 Low Resistors & Current Sense Resistors - Surface Mount RoHS	1380
CR2512JR300E04R	Ever Ohms Technology Co Ltd	0.3ohms ±, 5% 1W ±, 600ppm/C 2512 Low Resistors & Current Sense Resistors - Surface Mount RoHS	210
CR0603JR300P05Z	Ever Ohms Technology Co Ltd	0.3ohms ±, 5% 1/10W ±, 800ppm/C 0603 Low Resistors & Current Sense Resistors - Surface Mount RoHS	4800
CR1206JR300P05R	Ever Ohms Technology Co Ltd	0.3ohms ±, 5% 0.25W 1206 Chip Resistor - Surface Mount RoHS	3600

Part Number	Manufacturer	Description	Stock
RUT2012JR300CS D# RUT2012JR300CS-ND	Samsung Electro-Mechanics	RES 0.3 OHM 5% 1/4W 0805	0
RUT1608JR300CS D# RUT1608JR300CS-ND	Samsung Electro-Mechanics	RES 0.3 OHM 5% 1/8W 0603	0
MMF50SJR-300R D# MMF50SJR-300R-ND	YAGEO Corporation	RES SMD 5% 1/2W MELF	0
MMP100JR-300R D# MMP100JR-300R-ND	YAGEO Corporation	RES SMD 5% 1W MELF	0
MMP200JR-300R D# MMP200JR-300R-ND	YAGEO Corporation	RES SMD 5% 2W MELF	0
MMP200JR-300K D# MMP200JR-300K-ND	YAGEO Corporation	RES SMD 5% 2W MELF	0
MMP100JR-300K D# MMP100JR-300K-ND	YAGEO Corporation	RES SMD 5% 1W MELF	0
JR300 D# 1674-1020-1-ND	Voltronics Corporation	CAP TRIMMER 5.5-30PF 125V SMD	20521
LVC25JR300EV D# LVC25JR300EV-ND	Ohmite Mfg Co	RES 0.3 OHM 5% 1W 2512	0
RUT3216JR300CS D# RUT3216JR300CS-ND	Samsung Electro-Mechanics	RES 0.3 OHM 5% 1/3W 1206	0
RUT1005JR300CS D# RUT1005JR300CS-ND	Samsung Electro-Mechanics	RES 0.3 OHM 5% 1/10W 0402	0
LVC06JR300EV D# LVC06JR300EV-ND	Ohmite Mfg Co	RES 0.3 OHM 5% 1/2W 1206	0
MMF50SJR-300K D# MMF50SJR-300K-ND	YAGEO Corporation	RES SMD 5% 1/2W MELF	0

Part Number	Manufacturer	Description	Stock
RUT2012JR300CS	Samsung Electro-Mechanics	RoHS: Compliant pbFree: Yes	0
RUT1608JR300CS	Samsung Electro-Mechanics	RoHS: Compliant pbFree: Yes	0
RUT3216JR300CS	Samsung Electro-Mechanics	RoHS: Compliant pbFree: Yes	0
RUT1005JR300CS	Samsung Electro-Mechanics	RoHS: Compliant pbFree: Yes	0
LVC25JR300EV	Ohmite Mfg Co	RoHS: Compliant pbFree: Yes	0

Part Number

Manufacturer

Description

Stock

RUT3216JR300CS

SAMS

OEM/CM QUOTES ONLY | NO BROKERS

17850

CFR25JR300R

YAGEO Corporation

OEM/CM QUOTES ONLY | NO BROKERS

2875

Part Number	Manufacturer	Description	Stock
CR2512JR300E04R D# C146955	Ever Ohms Technology Co Ltd		210
CR0603JR300P05Z D# C175681	Ever Ohms Technology Co Ltd		4800
CR1210JR300P05R D# C149719	Ever Ohms Technology Co Ltd		5350
CR1206JR300P05R D# C149700	Ever Ohms Technology Co Ltd		3600
CR2010JR300E04R D# C147113	Ever Ohms Technology Co Ltd		1380

Part Number	Manufacturer	Description	Stock
M8S43FAJ-R-30.000MHZ	MtronPTI	Oscillator XO 30MHz ±100ppm 50pF HCMOS/TTL 60% 3.3V 4-Pin SMD RoHS: Not Compliant	25
LVC25JR300EV	Ohmite Mfg Co	RoHS: Compliant	0
LVC06JR300EV	Ohmite Mfg Co	RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

JR300

D# 768-JR300

Knowles Corporation

Trimmer / Variable Capacitors 5.0 - 30pF 100volts

RoHS: Compliant

968

Part Number

Manufacturer

Description

Stock

LVC25JR300EV

D# 51M1518

Ohmite Mfg Co

1W LOW VALUE CHIP RESISTOR 5% / Ohmite / REEL

RoHS: Not Compliant

Min Qty: 4000

Container: TAPE & REEL - FULL

LVC06JR300EV

D# 51M1463

Ohmite Mfg Co

1W LOW VALUE CHIP RESISTOR 5% / Ohmite / REEL

RoHS: Not Compliant

Min Qty: 5000

Container: TAPE & REEL - FULL

Part Number

Manufacturer

Description

Stock

LVC06JR300EV

D# NS-LVC06JR300EV

Ohmite Mfg Co

OEM/CM ONLY

1888

LVC25JR300EV

D# NS-LVC25JR300EV

Ohmite Mfg Co

OEM/CM ONLY

8741

Part Number	Manufacturer	Description	Stock
M8S43FAJ-R-30.000MHZ	MtronPTI	Oscillator XO 30MHz ±100ppm 50pF HCMOS/TTL 60% 3.3V 4-Pin SMD RoHS: Not Compliant	25
LVC25JR300EV	Ohmite Mfg Co	RoHS: Compliant	0
LVC06JR300EV	Ohmite Mfg Co	RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

RSF200JR-300R

D# RSF200JR-300R

YAGEO Corporation

Call 6312343553

4000

Part Number	Manufacturer	Description	Stock
SMA03090B3600JR300	Vishay Draloric	OEM/CM ONLY	2886
ER2JR300001	PanJit Touch Screens	OEM/CM ONLY	2116
JR3008	ETN	OEM/CM ONLY	103
MHR13FAJR30.000MHZ	MtronPTI	OEM/CM ONLY	4634
RC0603JR300R		OEM/CM ONLY	50016
SQP700JR300R57W		OEM/CM ONLY	241
M8S43FAJR30.000MHZ	MtronPTI	OEM/CM ONLY	113
S2JT/R7	PanJit Touch Screens	OEM/CM ONLY	26495
JR300	Voltronics Corporation	OEM/CM ONLY	431
45JR30 0.3E	Ohmite Mfg Co	OEM/CM ONLY	116
CFR25JR300R	YAGEO Corporation	OEM/CM ONLY	2516
MHR13FAJR30.000MHZTR	MtronPTI	OEM/CM ONLY	4634
PC56H01V42VJR3003	Lextar Electronics Corporation	OEM/CM ONLY	1791
CFR12JR300R	YAGEO Corporation	OEM/CM ONLY	881
RC0805JR300R5	YAGEO Corporation	OEM/CM ONLY	4016

Part Number

Manufacturer

Description

Stock

JR300

Knowles Capacitors

Trimmer / Variable Capacitors 5.0 - 30pF 100volts

pbFree: Pb-Free

Part Number

Manufacturer

Description

Stock

LVC25JR300V-.3

D# 2021014178

Ohmite Mfg Co

LVC25JR300V-.3 OHMITE resistor 0.3 Ohm 1W 5% Wirewound

2962

Quick Inquiry

JR300

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