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UniOhm

Feature

•

Small size & light weight

•

Reduction of assembly costs and matching with placement machine

•

Suitable for both flow & re-flow soldering

•

Applications: Navigator (GPS), Mobile Phone,Telecom, PDA, Setbox, Meter.

Thick Film Chip Resistors

RoHS Compliant

Figures

1. High purity Alumina substrate

2. Protective coating

3. Resistance element

4. Termination (Inner) Ni / Cr

5. Termination (Between) Ni Barrier

6. Termination (Outer) Sn

Derating Curve & Specification

Percent

rated load (%)

Ambient termperature(°C)

Type

Max. Working Voltage

Max. Overload Voltage

Dielectric withstanding Voltage

Operating Temperature

0201

25V

50V

0402

50V

100V

0603

50V

100V

300V

0805

150V

300V

500V

1206

200V

400V

500V

1210

200V

400V

500V

2010

200V

400V

500V

2512

200V

400V

500V

-55~+155°C -55~+155°C -55~+155°C -55~+155°C -55~+155°C -55~+155°C -55~+155°C -55~+155°C

Type

Power Rating at 70°C

L (mm)

W (mm)

Dimension

H (mm)

A (mm)

B (mm)

Resistance Value of Jumper

Rated Current of Jumper

Max. Current of Jumper

Resistance Range of 0.5% (E-96)

Resistance Range of 1% (E-96)

Resistance Range of 2% (E-24)

Resistance Range of 5% (E-24)

0201

1/20W

0.60 ± 0.03

0.30 ± 0.03

0.23 ± 0.03

0.10 ± 0.05

0.15 ± 0.05

<50mΩ

0.5A

10Ω ~ 1MΩ

1Ω ~ 1MΩ

0402

1/16W

1.00 ± 0.10

0.50 ± 0.05

0.35 ± 0.05

0.20 ± 0.10

0.25 ± 0.10

<50mΩ

1Ω ~ 10MΩ

0603

1/16W

(1/10W-S)

1.60 ± 0.10

0.80

+0.15

-0.10

0805

1/10W

(1/8W-S)

2.00 ± 0.15

1.25

+0.15

-0.10

1206

1/8W

(1/4W-S)

3.10 ± 0.15

1.55

+0.15

-0.10

1210

1/4W

(1/3W-S) *

3.10 ± 0.10

2.60

+0.15

-0.10

2010

1/2W

(3/4W-S)

5.00 ± 0.10

2.50

+0.15

-0.10

2512

6.35 ± 0.10

3.20

+0.15

-0.10

0.45 ± 0.10

0.30 ± 0.20

<50mΩ

1Ω ~ 10MΩ

0.55 ± 0.10

0.40 ± 0.20

<50mΩ

1Ω ~ 10MΩ

0.55 ± 0.10

0.45 ± 0.20

<50mΩ

10A

1Ω ~ 10MΩ

0.55 ± 0.10

0.50 ± 0.25

0.50 ± 0.20

<50mΩ

10A

1Ω ~ 10MΩ

0.55 ± 0.10

0.60 ± 0.25

0.50 ± 0.20

<50mΩ

10A

1Ω ~ 10MΩ

0.55 ± 0.10

0.60 ± 0.25

0.50 ± 0.20

<50mΩ

10A

1Ω ~ 10MΩ

* 1210 size in 1/2W could be provided specially (1210U2)

RoHS Compliant

Thick Film Chip Resistors

UniOhm

Marking on the Resistors Body

• For 0201 & 0402 size, no marking on the body due to the small size of the resistor.

• ±5%

tolerance product: the marking is 3 digits, the first 2 digits are the significant of the resistance and the 3rd digit denotes number of zeros following.

153 = 15000Ω = 15KΩ; 120 = 12Ω

Below 10Ω: 6R8 = 6.8Ω

153

6R8

• 0805, 1206, 1210, 2010, 2512 ±1%: the marking is 4 digits, the first 3 digits are the signivicant of the resistance and the 4th digit

denotes number of zeros following.

2372

2372 = 23700Ω = 23.7KΩ; 1430 = 143Ω

3R24

Below 10Ω : 3R24 = 3.24Ω

• Standard E-96 series values of 0603 ±1%: due to the small size of the resistor’s body, 3 digits marking will be used to indicate the accurate

resistance value by using the following Multiplier & Resistance Code.

Multiplier Code (for 0603 1% marking)

Code

Multiplier

-1

-2

-3

Standard E-96 Series Resistance Value Code (for 0603 1% marking)

Value

100

102

105

107

110

113

115

118

121

124

127

130

133

137

140

143

Code

Value

147

150

154

158

162

165

169

174

178

182

187

191

196

200

205

210

Code

Value

215

221

226

232

237

243

249

255

261

267

274

280

287

294

301

309

Code

Value

316

324

332

340

348

357

365

374

383

392

402

412

422

432

442

453

Code

Value

464

475

487

499

511

523

536

549

562

576

590

604

619

634

649

665

Code

Value

681

698

715

732

750

768

787

806

825

845

866

887

909

931

953

976

Code

So the resistance value are marked as the following examples:

29B

1.96KΩ= 196 ×10

Ω = 29B

10X

12.4Ω= 124 ×10

-1

= 10X

• Standard E-24 and not belong to E-96 series values (±1%) of 0603 size: the marking is te same as 5% tolerance but marking as underline.

122

122 = 1200 = 1.2 KΩ

680

680 = 68Ω

UniOhm

Performance Specifications

Temperature coefficiant

1Ω~10Ω ≤ ±400PPM/°C

11Ω~100Ω ≤ ±200PPM/°C

Short-time overload

Insulation resistance

Dielectronic withstanding voltage

Terminal bending

Solering heat

Solerability

Temperature cycling

Humidity (Steady State)

Load life in humidity

Load life

Thick Film Chip Resistors

RoHS Compliant

>100Ω ±100PPM/°C (0201: >100Ω ±200PPM/°C )

±5%, ± 2%: ±(2.0% + 0.1Ω) Max.

±1%, ± 0.5%: ±(1.0% + 0.1Ω) Max.

≥ 1,000 Mega Ohm

No evidence of flashover, mechanical damage, arcing or insulation breakdown

±(1.0% + 0.05Ω) Max.

Min. 95% coverage

±5%, ± 2%: ±(1.0% + 0.05Ω) Max.

±1%, ± 0.5%: ±(0.5% + 0.05Ω) Max.

±5%, ± 2%: ±(3.0% + 0.1Ω) Max.

±1%, ± 0.5%: ±(0.5% + 0.1Ω) Max.

±5%, ± 2%:

±(3.0% + 0.1Ω) Max.

±1%, ± 0.5%: ±(1.0% + 0.1Ω) Max.

±5%, ± 2%: ±(3.0% + 0.1Ω) Max.

±1%, ± 0.5%: ±(1.0% + 0.1Ω) Max.

Ordering Procedure (Example: 1206 1/4W-S 5% 1.2 Ω T/R-5000)

• The values which are not of standard E-24 series (2% & 5%) and not of E-96 series (1%) could be offered on a case to case basis.

1 2 0 6 S 4 J 0 1 2 J T 5 E

Product Type:

Fill-in 4 digits with the Chip resistor type

as follow:

0201, 0402, 0603, 0805, 1206,

1210, 2010, 2512, 2D02, 2C02,

4D02, 4C02, 4D03, 4C03, 16P8,

10P8, 10S8, 10T8, 10E9, TR05,

TR06, HP03, HP05, HP06,

CS12, 1218, 0612, 1020.

Wattage:

Fill-in 2 digits with

the codes as fol-

low:

WH=1/32W

WM=1/20W,

WG=1/16W,

WA=1/10W,

1W=1W,

W2=1/2W

W4=1/4W,

W8=1/8W,

SA=1/10W-S,

S8=1/8W-S,

S4=1/4W-S,

S3=1/3W-S,

U2=1/2W-SS

07=3/4W-S

Resistance Value

5% (E-24 series):

the 1st digit is “0”, the 2nd & 3rd

digits are for the significant figures of

the resistance and the 4th indicate the

numbers of zeros following;

1% (E-96 series):

the 1st to 3rd digits are for the signifi-

cant figures of the resistance and the 4th

indicate the numbers of zeros following.

Packing Type:

T = T/R

B = Bulk in Poly bag

C = Bulk in cassette

Packing Qty.

1=1,000pcs

2=2,000pcs

3=3,000pcs

4=4,000pcs,

5=5,000pcs

C=10,000pcs

D=20,000pcs

E= 15,000pcs

Tolerance:

F = ±1%

G = ±2%

J = ±5%

R =0~30%:

Q =0~20%:

N =-20~0%

P =-30~0%:

K =±10%:

M =±20%:

Special Feature:

E = Lead Free (standard)