VSMP2512320R00TCR0.2AST datasheet, PDF

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VSMP2512320R00TCR0.2AST: DescriptionFixed Resistor, Metal Foil, 0.75W, 320ohm, 220V, 0.05% +/-Tol, -.2,.2ppm/Cel, 2512,; CategoryPassive components The resistor; File Size2MB，6 Pages; ManufacturerVishay; Websitehttp://www.vishay.com; Environmental Compliance

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VSMP2512320R00TCR0.2AST Overview

Fixed Resistor, Metal Foil, 0.75W, 320ohm, 220V, 0.05% +/-Tol, -.2,.2ppm/Cel, 2512,

VSMP2512320R00TCR0.2AST Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	860390746
Reach Compliance Code	compliant
ECCN code	EAR99
structure	Chip
Number of terminals	2
Maximum operating temperature	150 °C
Minimum operating temperature	-55 °C
Package height	0.64 mm
Package length	6.32 mm
Package form	SMT
Package width	3.23 mm
method of packing	TR
Rated power dissipation(P)	0.75 W
resistance	320 Ω
Resistor type	FIXED RESISTOR
series	VSMP
size code	2512
technology	METAL FOIL
Temperature Coefficient	0.2 ppm/°C
Terminal surface	Tin/Silver/Copper - with Nickel barrier
Tolerance	0.05%
Operating Voltage	220 V

VSMP2512320R00TCR0.2AST Preview

VSMP Series (0603, 0805, 1206, 1506, 2010, 2018, 2512) (Z-Foil)

Vishay Foil Resistors

Ultra High Precision Foil Wraparound Surface Mount Chip Resistor

with TCR of ± 0.05 ppm/°C and Power Coefficient of 5 ppm at

Rated Power and Load Life Stability of ± 0.005 % (50 ppm)

FEATURES



Temperature coefficient of resistance (TCR):

0.05 ppm/°C typical (0 °C to + 60 °C)

0.2 ppm/°C typical (- 55 °C to + 125 °C, + 25 °C ref.)



Resistance tolerance: to ± 0.01 %



Power coefficient “R due to self heating”:

5 ppm at rated power



Power rating: to 750 mW at + 70 °C (see table 3)



Load life stability: to ± 0.005 % at 70 °C, 2000 h at rated

power



Resistance range: 5



to 125 k (for lower or higher

values, please contact us)



Vishay Foil resistors are not restricted to standard values,

we can supply specific “as required” values at no extra cost

or delivery (e.g. 1K2345 vs. 1K)



Thermal stabilization time < 1 s



(nominal value achieved within 10 ppm of steady state

value)



Electrostatic discharge (ESD) at least to 25 kV



Short time overload:



0.005 %



Non inductive, non capacitive design



Rise time: 1 ns effectively no ringing



Current noise: 0.010 µV

RMS

/V of applied voltage

(< - 40 dB)



Voltage coefficient < 0.1 ppm/V



Non inductive: < 0.08 µH



Non hot spot design



Terminal finishes available: lead (Pb)-free, tin/lead alloy



Matched sets are available on request



Prototype quantities available in just 5 working days

or sooner. For more information, please contact

foil@vishaypg.com

Top View

(for date code print specification please refer to table 2)

INTRODUCTION

VSMP Series is the industry’s first device to provide high

rated power and excellent load life stability along with

extremely low TCR — all in one resistor.

One of the most important parameters influencing stability is

the Temperature Coefficient of Resistance (TCR). Although

the TCR of foil resistors is considered extremely low, this

characteristic has been further refined over the years. The

VSMP Series utilizes ultra high precision Bulk Metal

Z-Foil.

The Z-Foil technology provides a significant reduction of the

resistive element’s sensitivity to ambient temperature

variations (TCR) and to self heating when power is applied

(Power Coefficient of Resistance, or PCR). Along with the

inherently low PCR and TCR, Z-Foil technology also

provides remarkably improved load life stability, low noise

and tight tolerances.

The VSMP resistor has a full wraparound termination which

assures secure contact during the manufacturing process,

as well as providing stability during multiple thermal cyclings.

Vishay Foil Resistors' (VFR) application engineering

department is available to advise and make

recommendations. For non-standard technical requirements

and special applications, please contact VFR using the

e-mail address in the footer below.

Percent of Rated Power

TABLE 1 - TOLERANCE AND TCR VS.

RESISTANCE VALUE

(1)

(- 55 °C to + 125 °C, + 25 °C Ref.)

RESISTANCE

VALUE

()

250to 125K

100to < 250

50to < 100

25to < 50

10to < 25

5 to < 10

TOLERANCE

(%)

± 0.01

± 0.02

± 0.05

± 0.1

± 0.25

± 0.5

TYPICAL TCR AND

MAX. SPREAD

(ppm/°C)

± 0.2 ± 1.8

± 0.2 ± 2.8

± 0.2 ± 3.8

± 0.2 ± 7.8

FIGURE 1 - POWER DERATING CURVE

- 55 °C

100

- 75

+ 70 °C

- 50

- 25

+ 25 + 50 + 75 + 100 + 125 + 150 + 175

Ambient Temperature (°C)

* Pb containing terminations are not RoHS compliant; exemptions

may apply

Note

(1)

For tighter performances and non-standard values lower than



and above 125K, please contact VFR’s application

engineering using the e-mail addresses in the footer below

Document Number: 63060

Revision: 29-Oct-2012

For any questions, contact:

foil@vishaypg.com

www.vishayfoilresistors.com

VSMP Series (0603, 0805, 1206, 1506, 2010, 2018, 2512) (Z-Foil)

Vishay Foil Resistors

FIGURE 2 - TRIMMING TO VALUES



(Conceptual Illustration)

FIGURE 3 - TYPICAL RESISTANCE/

TEMPERATURE CURVE

+ 400

+ 300

+ 200

+ 100

ΔR

(ppm)

- 100

- 200

- 300

- 400

- 500

- 55

- 25

+ 25

+ 60 + 75 + 100 + 125

Ambient Temperature (°C) and TCR Chord Slopes for

Different Temperature Ranges

- 0.16 ppm/°C

Interloop Capacitance

Reduction in Series

Current Path

Before Trimming

Current Path

After Trimming

Trimming Process

Removes this Material

from Shorting Strip Area

Changing Current Path

and Increasing

Resistance

0.05 ppm/°C

- 0.1 ppm/°C

0.1 ppm/°C

0.14 ppm/°C

0.2 ppm/°C

Mutual Inductance

Reduction due

to Change in

Current Direction

Note:

Foil shown in black, etched spaces in white

Note

• The TCR values for < 100



are influenced by the termination

composition and result in deviation from this curve

TABLE 2 - DIMENSIONS AND LAND PATTERN

in Inches (Millimeters)

Top View

Date Code

(Year/Week)

CHIP

SIZE

0603

0805

1206

1506

2010

2018

2512

± 0.005 (0.13)

0.063 (1.60)

0.080 (2.03)

0.126 (3.20)

0.150 (3.81)

0.198 (5.03)

0.204 (5.18)

0.249 (6.32)

± 0.005 (0.13)

0.032 (0.81)

0.050 (1.27)

0.062 (1.57)

0.097 (2.46)

0.184 (4.67)

0.127 (3.23)

THICKNESS

MAXIMUM

0.025 (0.64)

± 0.005 (0.13)

0.011 (0.28)

0.015 (0.38)

0.020 (0.51)

0.025 (0.64)

0.018 (0.46)

0.032 (0.81)

(1)

0.102 (2.59)

0.122 (3.10)

0.175 (4.45)

0.199 (5.05)

0.247 (6.27)

0.248 (6.3)

0.291 (7.39)

(1)

0.031 (0.78)

0.028 (0.71)

0.059 (1.50)

0.083 (2.11)

0.115 (2.92)

0.146 (3.71)

0.150 (3.81)

(1)

0.031(0.78)

0.050 (1.27)

0.071 (1.80)

0.103 (2.62)

0.184 (4.67)

0.127 (3.23)

Recommended Land Pattern

Footprint

Note

(1)

Land Pattern Dimensions are per IPC-7351A

(2)

The date code printing applies to all resistor sizes except for 0603

TABLE 3 - SPECIFICATIONS

CHIP

SIZE

0603

0805

1206

1506

2010

2018

2512

RATED

POWER

(mW)

at + 70 °C

100

200

300

500

750

MAX.

WORKING

VOLTAGE

(



)

20 V

40 V

87 V

95 V

187 V

122 V

220 V

RESISTANCE

RANGE

()*

100 to 4K

5to 8K

5to 25K

5to 30K

5to 70K

5to 20K

5to 125K

MAXIMUM

WEIGHT

(mg)

TABLE 4 - LOAD LIFE STABILITY

(+ 70 °C for 2000 h)

CHIP SIZE

0603

0805

1206, 1506

2010

2018

2512

MAXIMUM

R

LIMITS

± 0.005 % at 50 mW

± 0.01 % at 100 mW

± 0.005 % at 100 mW

± 0.01 % at 200 mW

± 0.005 % at 150 mW

± 0.01 % at 300 mW

± 0.005 % at 200 mW

± 0.01 % at 500 mW

± 0.005 % at 500 mW

± 0.01 % at 750 mW

± 0.005 % at 500 mW

± 0.01 % at 750 mW

* For non standard values please contact VFR’s application

engineering using the e-mail addresses in the footer below.

www.vishayfoilresistors.com

For any questions, contact:

foil@vishaypg.com

Document Number: 63060

Revision: 29-Oct-2012

VSMP Series (0603, 0805, 1206, 1506, 2010, 2018, 2512) (Z-Foil)

Vishay Foil Resistors

TABLE 5 - PERFORMANCES

TEST OR CONDITIONS

Thermal Shock, 100 x (- 65 °C to + 150 °C)

Low Temperature Operation, - 65 °C, 45 min at P

nom

Short Time Overload, 6.25 x Rated Power, 5 s

High Temperature Exposure, + 150 °C, 100 h

Resistance to Soldering Heat

Moisture Resistance

Load Life Stability + 70 °C for 2000 h at Rated Power

MIL-PRF-55342

CHARACTERISTIC E

R

LIMITS

± 0.1 %

± 0.2 %

± 0.5 %

TYPICAL

R

LIMITS

± 0.005 % (50 ppm)

± 0.01 % (100 ppm)

± 0.005 % (50 ppm)

MAXIMUM

R

LIMITS

(1)

± 0.01 % (100 ppm)

± 0.02 % (200 ppm)

± 0.01 % (100 ppm)

± 0.02 % (200 ppm)

± 0.01 % (100 ppm)

Note

(1)

As shown + 0.01



to allow for measurement errors at low values

FIGURE 4 - RECOMMENDED MOUNTING

Notes

(1)

IR and vapor phase reflow are recommended.

(2)

Avoid the use of cleaning agents which could attack epoxy resins, which form part

of the resistor construction

(3)

Vacuum pick up is recommended for handling

(4)

If the use of a soldering iron becomes necessary, precautionary measures should

be taken to avoid any possible damage / overheating of the resistor

* Recommendation: The solder fillet profile should be such as to avoid running over

the top metallization

FIGURE 5 - VSMP0603 100 CYCLE

THERMAL SHOCK - 65 °C TO

150 °C, 10 UNITS EACH VALUE

100

FIGURE 6 - LOAD LIFE TEST FOR

10,000 HRS @0.3W, +70°C;

VSMP 1206, N=40

500

400

300

200

100

(ppm)

-100

10R

1000

2000

3000

4000

5000

6000

7000

8000

9000

10000

12K

ΔR/R

(ppm)

- 20

-200

- 40

VSMP0603

100R

VSMP0603

-300

-400

-500

Time (hrs)

CRYOGENIC TEST

Different expansion/contraction rates of composite materials

in resistors may induce discontinuities during temperature

excursions that are not evident at temperature extremes,

making an unreliable resistor appear normal. A good resistor

must also return to its initial value with no resistance drift. In

this demo, a VFR VSMP0805 precision resistor is monitored

through the range of +25°C, down to -196°C and back up to

+25°C. Results confirm the VSMP0805 exhibits only 5

ppm/°C TCR, experiences no discontinuities, and returns to

its exact same starting value, showing absolutely no change

in resistance (< 1 ppm measurement accuracy).

FIGURE 7 - PRECISION RESISTOR IN

CRYOGENIC CONDITIONS -

ONLY 5 PPM/

(PRODUCT DEMO)

Document Number: 63060

Revision: 29-Oct-2012

For any questions, contact:

foil@vishaypg.com

www.vishayfoilresistors.com

VSMP Series (0603, 0805, 1206, 1506, 2010, 2018, 2512) (Z-Foil)

Vishay Foil Resistors

PULSE TEST

TEST DESCRIPTION

All parts are baked at +125°C for 1 hour and allowed to cool

at room temperature for 1 hour, prior to testing. By using an

electrolytic 0.01µF capacitor charged to 1200 VDC, a single

pulse was performed on 30 units of 1206, 10 k of Surface

Mount Vishay Foil resistor and Thin Film resistor. The units

were allowed time to cool down, after which the resistance

measurements were taken and displayed in ppm deviation

from the initial reading.

TEST RESULTS

Catastrophic Damage

- occurs when the ESD event causes

the device to immediately stop functioning. This may occur

after one or a number of ESD events with diverse causes,

such as human body discharge or the mere presence of an

electrostatic field.

Latent Damage

- occurs when the ESD event causes

moderate damage to the device, which is not noticeable, as

the device appears to be functioning correctly. However, the

load life of the device has been dramatically reduced, and

further degradation caused by operating stresses may cause

the device to fail during service. Latent damage is the source

for greatest concern, since it is very difficult to detect by

re-measurement or by visual inspection, because damage

may have occurred under the external coating.

TEST DESCRIPTION

FIGURE 8 - PULSE TEST DESCRIPTION

By using an electrolytic 500 pF capacitor charged up to 4500

V, pulses were performed on 10 units of 1206, 10 k of three

different Surface Mount Chip Resistors technologies, with an

initial voltage spike of 2500 V (Figure 10). The units were

allowed time to cool down, after which the resistance

measurements were taken and displayed in ppm deviation

from the initial readings. Readings were then taken in 500 V

increments up to 4500 V.

FIGURE 9 - PULSE TEST RESULTS AT

1200 VDC*

140000

120000

100000

Thin Film

ΔR (ppm)

80000

60000

40000

20000

-20000

Resistor #

Bulk Metal

Foil

FIGURE 10 - ESD TEST DESCRIPTION

2500 V to 4500 V

1 MΩ

500 pF

Size: 1206

Value: 10K

n = 30

Note:

Average of 30 units yielded deviation of 30 723 ppm of the Thin Film vs –14 ppm for the Bulk Metal

Foil

DMM

* Note: Average of 30 units yielded deviation of 30,723 ppm of the

Thin Film vs. -14 ppm for the Bulk Metal

Foil

ELECTROSTATIC DISCHARGE (ESD)

ESD can be categorized into three types of damages:

Parametric Failure

- occurs when the ESD event alters one

or more device parameters (resistance in the case of

resistors), causing it to shift from its required tolerance. This

failure does not directly pertain to functionality; thus a

parametric failure may be present while the device is still

functional.

TABLE 6 - ESD TEST RESULTS



(AVERAGE OF 10 UNITS)

VOLTS

2500

3000

3500

4000

4500

∆R

(%)

THICK FILM

-2.7

-4.2

-6.2

-7.4

-8.6

THIN FILM

366

OPEN

FOIL

<0.005

www.vishayfoilresistors.com

For any questions, contact:

foil@vishaypg.com

Document Number: 63060

Revision: 29-Oct-2012

VSMP Series (0603, 0805, 1206, 1506, 2010, 2018, 2512) (Z-Foil)

Vishay Foil Resistors

TABLE 7- GLOBAL PART NUMBER INFORMATION

(1)

NEW GLOBAL PART NUMBER: Y162612K7560T9R (preferred part number format)

DENOTES PRECISION

VALUE



= k

CHARACTERISTICS

= standard

= lead (Pb)-free

1 to 999

= custom

PRODUCT CODE

1636

= VSMP0603

1624

= VSMP0805

1625

= VSMP1206

1626

= VSMP1506

1627

= VSMP2010

1637

= VSMP2018

1628

= VSMP2512

RESISTANCE TOLERANCE

= ± 0.01 %

= ± 0.02 %

= ± 0.05 %

= ± 0.10 %

= ± 0.25 %

= ± 0.5 %

= ± 1.0 %

PACKAGING

= tape and reel

= waffle pack

FOR EXAMPLE: ABOVE GLOBAL ORDER Y1626 12K7560 T 9 R:

TYPE: VSMP1506

VALUES: 12.7560 k

ABSOLUTE TOLERANCE: 0.01 %

TERMINATION: lead (Pb)-free

PACKAGING: tape and reel

HISTORICAL PART NUMBER: VSMP1506 12K756 TCR0.2 T S T (will continue to be used)

VSMP1506

MODEL

VSMP0603

VSMP0805

VSMP1206

VSMP1506

VSMP2010

VSMP2018

VSMP2512

12K756

RESISTANCE

VALUE

12.756 k

TCR0.2

TCR

CHARACTERISTICS

TOLERANCE

= ± 0.01 %

= ± 0.02 %

= ± 0.05 %

= ± 0.10 %

= ± 0.25 %

= ± 0.5 %

= ± 1.0 %

TERMINATION

= lead (Pb)-free

= tin/lead

PACKAGING

= tape and reel

= waffle pack

Note

(1)

For non-standard requests, please contact application engineering.

PRECISION CENTER

Precision centers are located around the world to provide local, short run, quick delivery of Vishay Bulk Metal

Foil resistors.

Unique to Vishay Foil Resistors (VFR) is the ability to provide any value to any tolerance. The precision centers can ship small

quantities in five days or less.

Why do we have authorized local manufacturing or precision centers?

Because we have no standard values and each resistor is trimmed to the precise value ordered. The unique chain of Precision

Centers brings these precise values as close as possible to the circuit designers in the shortest time possible.

For your local Precision Center please click

here.

Document Number: 63060

Revision: 29-Oct-2012

For any questions, contact:

foil@vishaypg.com

www.vishayfoilresistors.com

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