DSC1206-437KDT3 datasheet, PDF

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DSC1206-437KDT3: DescriptionFixed Resistor, Metal Glaze/thick Film, 0.33W, 437000ohm, 200V, 0.5% +/-Tol, 100ppm/Cel, 1206,; CategoryPassive components The resistor; File Size1013KB，4 Pages; ManufacturerTT Electronics plc; Websitehttp://www.ttelectronics.com/; Environmental Compliance

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DSC1206-437KDT3 Overview

Fixed Resistor, Metal Glaze/thick Film, 0.33W, 437000ohm, 200V, 0.5% +/-Tol, 100ppm/Cel, 1206,

DSC1206-437KDT3 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	919933355
Reach Compliance Code	compliant
ECCN code	EAR99
YTEOL	8.1
structure	Chip
JESD-609 code	e3
Number of terminals	2
Maximum operating temperature	155 °C
Minimum operating temperature	-55 °C
Package height	0.7 mm
Package length	3.2 mm
Package form	SMT
Package width	1.6 mm
method of packing	TR
Rated power dissipation(P)	0.33 W
resistance	437000 Ω
Resistor type	FIXED RESISTOR
series	DSC1206(D TOL)
size code	1206
technology	METAL GLAZE/THICK FILM
Temperature Coefficient	100 ppm/°C
Terminal surface	Matte Tin (Sn) - with Nickel (Ni) barrier
Tolerance	0.5%
Operating Voltage	200 V

DSC1206-437KDT3 Preview

Double-Sided

Chip Resistors

DSC Series

Welwyn Components

•

Two parallel resistance elements

in a single chip

•

Excellent pulse withstand performance

•

Laser trimmed up to 0.5% tolerance

•

Enhanced working voltage

•

Enhanced power rating

•

Pb-free terminations

Electrical Data

1206

Power @70°C

2 second overload power @25°C

Short pulse performance

Resistance range

Tolerance

LEV

TCR

Operating temperature

Dielectric withstand voltage

Thermal Impedance

Pad & trace area for rated power*

Values

Ohms

Volts

ppm/°C

°C

Volts

°C/W

160

200

Watts

0.33

2.1

2010

0.75

4.7

See graphs

1R0 to 4M7

10R to 1M: 0.5, All values: 1, 5

400

<10R:200 >10R:100

-55 to +155

500

E24 or 96 preferred - other values to special order

Recommended minimum pad & adjacent trace area for each termination for rated power dissipation on FR4 PCB

100

500

2512

1.5

9.4

Physical Data

Dimensions (mm) & Weight (g)

1206

2010

2512

3.2±0.4

5.1±0.3

6.5±0.3

1.6±0.2

2.5±0.2

3.2±0.2

T max

0.7

0.8

0.4±0.2

0.6±0.3

B min

1.7

3.0

4.4

0.4±0.15

0.6±0.25

Wt.

0.020

0.036

0.055

Wrap-around terminations

(3 faces)

Construction

Thick film resistor material, overglaze and organic protection are screen printed on a 96% alumina substrate. Wrap-around terminations

have an electroplated nickel barrier and Pb-free solderable coating, this ensures excellent ‘leach’ resistance properties and solderability.

Marking

Components are not marked. Reels are marked with type, value, tolerance, date code and quantity.

Solvent Resistance

The body protection is resistant to all normal industrial cleaning solvents suitable for printed circuits.

General Note

Welwyn Components reserves the right to make changes in product specification without notice or liability.

All information is subject to Welwyn’s own data and is considered accurate at time of going to print.

A subsidiary of

TT electronics plc

04. 08

· Bedlington, Northumberland NE22 7AA, UK

Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com

Double Sided

Chip Resistors

DSC Series

Welwyn Components

Performance Data

Maximum

Load at rated power:

Overload:

Dry heat:

1000 hours at 70°C

Typical

0.25

Zero at 155°C

0.1

0.02

0.2

0.25

0.05

∆

0.1

0.25

Derating from rated power at 70°C

6.25 x rated power for 2 seconds

12 months at room temperature

Shelf life test:

1000 hours at 155°C

Long term damp heat

Temperature rapid change

Resistance to solder heat

Note: A 0.01 Ohm addition to be added to the performance of all resistors <10 Ohms.

Pulse Performance Data

DSC2512 - Bellcore GR1089 Lightning Surge

10,000

The single impulse graph is the

result of 50 impulses of rectangular

shape applied at one-minute

intervals. The limit of acceptance

was a shift in resistance of less

than 1% from the initial value.

Peak Voltage (V)

Single Pulse

1,000

2/10us

10/1000us

100

1,000

10,000

100,000

1,000,000

10,000,000

Value (Ohms)

Single Pulse

1,000

Peak Power (W)

100

1206

2010

2512

Continuous Load Due

to Repetitive Pulses

The continuous load graph was

obtained by applying repetitive

rectangular pulses where the pulse

period was adjusted so that the

average power dissipated in the

resistor was equal to its rated power

Peak Power (W)

0.0001

0.001

0.01

0.1

Pulse Duration (s)

Continuous Pulses

1,000

at 70°C. Again the limit of acceptance

was a shift in resistance of less than

1% from the initial value.

100

1206

2010

2512

0.0001

0.001

0.01

0.1

Pulse Duration (s)

Bedlington, Northumberland NE22 7AA, UK

Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com

04. 08

Double Sided

Chip Resistors

DSC Series

Welwyn Components

Thermal Performance Data

Temperature Derating Curve

125

% of Rated Power

100

-15

155

Ambient Temperature/°C

Temperature Rise Curves

Temperature Rise/°C

1206

2010

2512

0.5

1.5

Power Dissipation/W

Packaging

1206 DSC series resistors are supplied on 8mm carrier tape and 7 inch reels as per IEC 286-3, quantity per reel; 3000.

2010 and 2512 DSC series resistors are supplied on 12mm carrier tape and 7 inch reels as per IEC 286-3, quantity per reel;

2010 : 3000pcs; 2512 : 1800pcs. Reels of 1000pcs are available on request.

Marking

(Both sides)

1.0

0.5

178

2.5

0.5

0.8

0.15

Tape and reel dimensions (mm)

±0.3

1206

2010

2512

±0.1

±0.05

±0.1

1.5

±0.2

1.5

±0.1

1.75

±0.05

3.5

5.5

±0.1

1.95

2.79

3.61

±0.1

3.55

5.89

6.96

±0.1

1.0

0.91

1.17

±0.05

0.2

0.28

nom

0.05

0.06

±0.15

1.3

1.21

1.45

Bedlington, Northumberland NE22 7AA, UK

Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com

04. 08

Double Sided

Chip Resistors

DSC Series

Welwyn Components

Application Notes

DSC resistors are ideally suited for handling by automatic

methods due to their rectangular shape and the small

dimensional tolerances. Electrical connection to a ceramic

substrate or to a printed circuit board can be made by reflow

or wave soldering of wrap-around terminations.

Wrap-around terminations provide good leach properties and

ensure reliable contact. Due to the robust construction, the

DSC can be immersed in the solder bath for 30 seconds at

260°C. This enables the resistor to be mounted on one side

of a printed circuit board and wire-leaded components

applied on the other side. DSC is compatible with typical

Pb-free soldering materials and temperature profiles

DSC resistors themselves can operate at a maximum

temperature of 155°C. For soldered resistors, the joint

temperature should not exceed 110°C. This condition is met

when the stated power levels at 70°C and recommended

pad and trace areas are used. Allowance should be made

if smaller areas of copper are used.

Ordering Procedure

Specify type reference etc as shown in this example of DSC2512 10K ohms 1%.

Type

Size

Value (use IEC62 code)

Tolerance (use IEC62 code)

0.5%

T18

Tape

1206 or 2010

2512

3000/reel

1800/reel

DSC

2512

10K

T18

Packing

Standard

Bedlington, Northumberland NE22 7AA, UK

Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com

04. 08

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