Products > Integrated Circuits (ICs) > RF Integrated Circuits > NJG1681MD7
NJG1681MD7 QFN-14
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High Power SPDT Switch GaAs MMIC

Manufacturer :
NJR Corporation
Package/Case :
Product Categories :
RF & Microwaves , Switches , SPDT Switches
RoHs Status:
Lead free / RoHS Compliant

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NJG1681MD7 Product Details

High Power SPDT Switch GaAs MMIC The NJG1681MD7 is a GaAs SPDT switch MMIC suitable forLTE/UMTS/CDMA/GSM applications.The NJG1681MD7 features very low insertion loss, high isolationand excellent linearity performance down to 1.8V control voltage athigh frequency up to 2.7GHz. In addition, this switch is able to handlehigh power signals.The NJG1681MD7 has ESD protection devices to achieveexcellent ESD performances. No DC Blocking capacitors arerequired for all RF ports. And the ultra small & ultra thin EQFN14-D7package is adopted.


I GENERAL DESCRIPTION The is a GaAs SPDT switch MMIC suitable for LTE/UMTS/CDMA/GSM applications. The NJG1681MD7 features very low insertion loss, high isolation and excellent linearity performance down to 1.8V control voltage at high frequency 2.7GHz. In addition, this switch is able to handle high power signals. The NJG1681MD7 has ESD protection devices to achieve excellent ESD performances. No DC Blocking capacitors are required for all RF ports. And the ultra small & ultra thin EQFN14-D7 package is adopted. I FEATURES G Low voltage logic control G Low voltage operation G Low distortion I PACKAGE OUTLINE

P-0.1dB G Low insertion loss G Ultra small & ultra thin package I PIN CONFIGURATION (TOP VIEW)

VCTL(H)=1.8V typ. VDD=2.7V typ. IIP3=+73dBm typ. PIN=24dBm IIP3=+71dBm typ. 2nd harmonics=-85dBc typ. 3rd harmonics=-90dBc typ. PIN=35dBm 36dBm min. 0.18dB typ. PIN=35dBm 0.20dB typ. PIN=33dBm 0.23dB typ. PIN=27dBm EQFN14-D7 (Package size: x 0.397mm.)

NOTE: Please note that any information on this datasheet will be subject to change.

I ABSOLUTE MAXIMUM RATINGS (Ta=+25�C, Zs=Zl=50) PARAMETER RF Input Power Supply Voltage Control Voltage Power Dissipation Operating Temp. Storage Temp. SYMBOL PIN VDD VCTL PD Topr Tstg Four-layer FR4 PCB with through-hole (74.2x74.2mm), Tj=150�C VDD =2.7V CONDITIONS RATINGS UNITS dBm mW �C

I ELECTRICAL CHARACTERISTICS 1 (DC) (General conditions: VCTL(L)=0V, VCTL(H)=1.8V) PARAMETERS Supply Voltage Operating Current Control Voltage (LOW) Control Voltage (HIGH) Control Current SYMBOL VDD IDD VCTL(L) VCTL(H) ICTL No RF input, VDD=2.7V CONDITIONS MIN 0 1.35 TYP MAX UNITS V �A

I ELECTRICAL CHARACTERISTICS 2 (RF) (General conditions: VCTL(L)=0V, VCTL(H)=1.8V) PARAMETERS Insertion Loss 1 Insertion Loss 2 Insertion Loss 3 Isolation 1 Isolation 2 Isolation 3 Input Power at 0.1dB Compression Point 2nd Harmonics 1 2nd Harmonics 2 2nd Harmonics 3 3rd Harmonics 1 3rd Harmonics 2 3rd Harmonics 3 Input 3rd order intercept point1 Input 3rd order intercept point2 VSWR Switching time SYMBOL IIP3(1) IIP3(2) VSWR TSW CONDITIONS f=829+849MHz, PIN=24dBm each f=1870+1910MHz, PIN=24dBm each on-state ports, f=2.7GHz 50% VCTL 10/90% RF MIN TYP MAX �s UNITS dB dBm dBc dBm

Technical Parameters

Manufacturer NJR RoHs Status Lead free / RoHS Compliant
Packing Tape & Reel (TR)/Cut Tape (CT)/Tray/Tube Package/Case QFN-14

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    alles ok,danke sehr schnelle lieferung

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Estimated Delivery Time: Feb 02 - Feb 07 days (choose Expedited at checkout).

Shipping & Payment


Shipping Type Ship Fee Lead Time

$20.00-$40.00 (0.50 KG)

2-5 days

$20.00-$40.00 (0.50 KG)

3-7 days

$20.00-$45.00 (0.50 KG)

2-5 days

$25.00-$65.00 (0.50 KG)

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$25.00-$45.00 (0.50 KG)

5-14 days

$2.00-$3.00 (0.10 KG)

7-30 days

Processing Time:Shipping fee depend on different zone and country.


Terms of payment Hand Fee Payment Site
Wire Transfer

charge US$30.00 banking fee.


charge 4.0% service fee.
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charge 3.5% service fee.

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We provide high quality products, thoughtful service and after sale guarantee

  • We have rich products, can meet your various needs.

    We have rich products, can meet your various needs.

  • Minimum order quantity starts from 1pcs.

    Minimum order quantity starts from 1pcs.

  • Lowest international shipping fee starts from US$2.00.

    Lowest international shipping fee starts from US$2.00.

  • 90 days quality guarantee for all products.

    90 days quality guarantee for all products.


  • Step1:Product


  • Step2:Vacuum packaging

    Step2:Vacuum packaging

  • Step3:Anti-static bag

    Step3:Anti-static bag

  • Step4:Individual packaging

    Step4:Individual packaging

  • Step5:Packaging boxes

    Step5:Packaging boxes

  • Step6:bar-code shipping tag

    Step6:bar-code shipping tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.


1.We provide 90 days warranty.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


Q: How does Jotrin guarantee that NJG1681MD7 is the original manufacturer or agent of NJR?
We have a professional business development department to strictly test and verify the qualifications of NJR original manufacturers and agents. All NJR suppliers must pass the qualification review before they can publish their NJG1681MD7 devices; we pay more attention to the channels and quality of NJG1681MD7 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of NJG1681MD7 chips? Including NJR original factory information, RF & Microwaves , Switches , SPDT Switches application, NJG1681MD7 pictures?
You can use Jotrin's intelligent search engine, or filter by RF & Microwaves , Switches , SPDT Switches category, or find it through NJR Corporation Information page.
Q: Are the NJR's NJG1681MD7 price and stock displayed on the platform accurate?
The NJR's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for NJG1681MD7, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
Q: What forms of payment can I use in Jotrin?
TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
Q: How is the shipping arranged and track my package?
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of NJG1681MD7?
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 NJG1681MD7 we delivered, we will accept the replacement or return of the NJG1681MD7 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 NJG1681MD7.
(3)The NJG1681MD7 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
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as NJG1681MD7 datasheet pdf, NJG1681MD7 pin diagram?
Need any After-Sales service, please feel free contact us:

NJR Corporation

Nippon Wireless (NJRC) manufactures high-tech products for semiconductor and microwave devices, including diversified and high-end commercial and consumer applications....
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