2J301M-250RG174-C20N - 2J s.r.o.

Application

ISM 868/915 MHz

Features

Monopole Structure

Size (9.0*3.0*1.2mm3)

Performance Optimizing

with external lumped matching components

SMT Available under Pb-free Condition

RoHS Compliant

Document Datasheet

Type Chip Antenna

Application ISM 868/915MHz

Part No.

Revision 4.0

2JE05

(Datasheet)

2JE05

2J s.r.o.

Štefánikova 61

085 01 Bardejov

Slovak Republic

IČO /reg. No./ 36 504 700

IČ DPH /VAT/ SK2021991961

Obchodný register Prešov,vložka č. 16449/P

tel.: +421 54 4880130

fax : +421 54 4882971

info@2j-antennae.com

http://www.2j-antennae.com

Rev. No Date Title Contents Page

0.0 ’08.12.03 New Published

1.0 ’09.05.15 Mark the antenna location or drawing

2.0 ‘10.08.16 Added identification mark

3.0 ‘10.08.16 Changed format

3.1 ‘12.07.26 Changed packing quantity

4.0 ‘13.03.28 1) Removed application for 433MHz

2) Added stub line for 868/915MHz, changed matching value

Table of Content

Revision History

1. Specifications 3

1.1 Electrical Specifications 3

1.2 Mechanical Specifications 3

1.3 Appearance and Material 3

2. PCB Design for Test 4

2.1 Evaluation Board Dimension 4

2.2 PCB Design Guide 4

3. Measurement Result 5

3.1 Typical Measurement Result @868MHz 5

3.2 Typical Measurement Result @915MHz 6

3.3 Measured Antenna Efficiency 7

3.4 Measured Radiation Pattern @868MHz 8

3.5 Measured Radiation Pattern @915MHz 9

4. Reliability 10

5. Soldering Reflow Profile 10

6. Packing 11

6.1 Carrier Tape Dimension 11

6.2 Packing Quantity 11

2J s.r.o.

Štefánikova 61

085 01 Bardejov

Slovak Republic

IČO /reg. No./ 36 504 700

IČ DPH /VAT/ SK2021991961

Obchodný register Prešov,vložka č. 16449/P

tel.: +421 54 4880130

fax : +421 54 4882971

info@2j-antennae.com

http://www.2j-antennae.com

No Item Spec. Remark

1 Frequency Range [MHz] 868 / 915

2 VSWR Max 3.0:1

3 Polarization Linear

4 Impedance [Ω] Nominal 50

 The results are measured on the 100x50mm2 evaluation board(EVB).

 Refer to page 5~6 for matching value of each frequency

No Item Spec. Remark

1 Dimensions (LxWxH) 9.0 x 3.0 x 1.2 mm3

2 Unit Weight typ. 170 mg

3 Operating Temperature -35 ~ +85 ℃

1.1 Electrical Specifications

1.2 Mechanical Specifications

No Name Function Material

1 Electrode Radiation Element Ag

2 Electrode Identification Mark Ag

3 Ceramic Body - Ceramic

1.3 Appearance & Material

1. Specifications

[unit : mm]

9 ± 0.2

3 ± 0.15

1 1 3

Antenna Top & Side

Antenna Bottom

1.2 ± 0.15

1 3

2J s.r.o.

Štefánikova 61

085 01 Bardejov

Slovak Republic

IČO /reg. No./ 36 504 700

IČ DPH /VAT/ SK2021991961

Obchodný register Prešov,vložka č. 16449/P

tel.: +421 54 4880130

fax : +421 54 4882971

info@2j-antennae.com

http://www.2j-antennae.com

2.1 Evaluation Board Dimension

2.2 PCB Design Guide

2. PCB Design for Test

 Evaluation board size ~ 100x50

 Fill Cut Area (GND Clearance) ~ 15.0x7.6

[unit : mm]

No Pin Assignment

① Feeding

② N/C

③ N/C (Connected Stub line)

②

Antenna Top

Antenna Bottom

Matching Component

50 Ohm Feeding Line

②

[unit : mm]

1 3 1 3 1

0.5

③ ①

①

③

1.9

100

3.2 2.2

2J s.r.o.

Štefánikova 61

085 01 Bardejov

Slovak Republic

IČO /reg. No./ 36 504 700

IČ DPH /VAT/ SK2021991961

Obchodný register Prešov,vložka č. 16449/P

tel.: +421 54 4880130

fax : +421 54 4882971

info@2j-antennae.com

http://www.2j-antennae.com

3.1 Typical Measurement Result (VSWR, RL & Smith Chart) @ 868MHz

3. Measurement Result

No Matching Value

① N/C

② 15 nH

③ 5.0 pF

①

②

③



Measured VSWR & Return-loss @868MHz



Measured Smith Chart @868MHz

2J s.r.o.

Štefánikova 61

085 01 Bardejov

Slovak Republic

IČO /reg. No./ 36 504 700

IČ DPH /VAT/ SK2021991961

Obchodný register Prešov,vložka č. 16449/P

tel.: +421 54 4880130

fax : +421 54 4882971

info@2j-antennae.com

http://www.2j-antennae.com

3.2 Typical Measurement Result (VSWR, RL & Smith Chart) @ 915MHz

No Matching Value

① N/C

② 8.2 nH

③ 4.3 pF

①

②

③



Measured VSWR & Return-loss @868MHz



Measured Smith Chart @868MHz

2J s.r.o.

Štefánikova 61

085 01 Bardejov

Slovak Republic

IČO /reg. No./ 36 504 700

IČ DPH /VAT/ SK2021991961

Obchodný register Prešov,vložka č. 16449/P

tel.: +421 54 4880130

fax : +421 54 4882971

info@2j-antennae.com

http://www.2j-antennae.com

3.3 Measured Antenna Efficiency

3.2.2 Measured Average Gain

2J s.r.o.

Štefánikova 61

085 01 Bardejov

Slovak Republic

IČO /reg. No./ 36 504 700

IČ DPH /VAT/ SK2021991961

Obchodný register Prešov,vložka č. 16449/P

tel.: +421 54 4880130

fax : +421 54 4882971

info@2j-antennae.com

http://www.2j-antennae.com

Peak Gain (dBi) Avg. Gain (dBi) Efficiency(%)

Azimuth -2.7 -3.4

Elevation 1 -2.6 -7.4

Elevation 2 -2.5 -6.9

Azimuth

3.4 Measured Radiation Pattern @868MHz

2J s.r.o.

Štefánikova 61

085 01 Bardejov

Slovak Republic

IČO /reg. No./ 36 504 700

IČ DPH /VAT/ SK2021991961

Obchodný register Prešov,vložka č. 16449/P

tel.: +421 54 4880130

fax : +421 54 4882971

info@2j-antennae.com

http://www.2j-antennae.com

Peak Gain (dBi) Avg. Gain (dBi) Efficiency(%)

Azimuth -1.7 -2.7

Elevation 1 -2.4 -7.4

Elevation 2 -1.8 -6.8

Azimuth

3.5 Measured Radiation Pattern @915MHz

2J s.r.o.

Štefánikova 61

085 01 Bardejov

Slovak Republic

IČO /reg. No./ 36 504 700

IČ DPH /VAT/ SK2021991961

Obchodný register Prešov,vložka č. 16449/P

tel.: +421 54 4880130

fax : +421 54 4882971

info@2j-antennae.com

http://www.2j-antennae.com

No Item Test Condition Test Requirements

1 Adhesive Strength

of Termination

1. Applied force on SMT chip till

detached point from PCB.

1. No mechanical damage by

forces applied on the right.

2. Strength (F) > 5 kgf

2 Thermal Shock

(Cycle)

1. Step 1 : -40 ± 3℃, 30 min

Step 2 : +125 ± 3℃, 30 min

2. Number of cycle : 30

1. No visual damage

2. Within electric spec (VSWR)

3 High Temperature

Resistance 1. Temperature : +125 ± 5℃

2. Time : 1000 ± 24 hrs 1. No visual damage

2. Within electric spec (VSWR)

4 Low Temperature

Resistance 1. Temperature : -40 ± 5℃

2. Time : 1000 ± 24 hrs 1. No visual damage

2. Within electric spec (VSWR)

5 Humidity 1. Humidity : 85 % RH

Temperature : +85 ± 3℃

2. Time : 1000 ± 24 hrs

1. No visual damage

2. Within electric spec (VSWR)

SMD PAD

PCB

4. Reliability

5. Soldering Reflow Profile

2J s.r.o.

Štefánikova 61

085 01 Bardejov

Slovak Republic

IČO /reg. No./ 36 504 700

IČ DPH /VAT/ SK2021991961

Obchodný register Prešov,vložka č. 16449/P

tel.: +421 54 4880130

fax : +421 54 4882971

info@2j-antennae.com

http://www.2j-antennae.com

Item Spec. Item Spec. Item Spec.

A0 3.20 ±0.10 P0 4.00 ±0.10 E 1.75 ±0.10

B0 9.20 ±0.10 P1 8.00 ±0.10 F 7.50 ±0.10

K0 1.65 ±0.10 P2 2.00 ±0.10 W 16.00 ±0.30

D0 1.55 ±0.05 - - t 0.30 ±0.05

Item Quantity Dimension

Reel 1,000 ea Φ7” * 16mm

Inner 3,000 ea (3 Reel) 183 * 70 * 185

Outer Box Small 15,000 ea (5 Inner Box) 365 * 200 * 200 (mm3)

Large 30,000 ea (10 Inner Box) 390 * 375 * 205 (mm3)

6.1 Carrier Tape Dimension

6.2 Packing Quantity

6. Packing

2J s.r.o.

Štefánikova 61

085 01 Bardejov

Slovak Republic

IČO /reg. No./ 36 504 700

IČ DPH /VAT/ SK2021991961

Obchodný register Prešov,vložka č. 16449/P

tel.: +421 54 4880130

fax : +421 54 4882971

info@2j-antennae.com

http://www.2j-antennae.com