Datasheet > 303135-264R-C-B-W

303135-264R-C-B-W

更新时间： 2024-10-31 06:53:59

品牌	Logo	应用领域
威世 - VISHAY		/
页数	文件大小	规格书
6页	127K
描述
Fixed Resistor, Metal Foil, 0.15W, 264ohm, 46V, 0.25% +/-Tol, -.2,.2ppm/Cel, 1206,

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303134, 303135, 303136, 303137, 303138

Vishay Foil Resistors

Models 303134 through to 303138 (Ultra High Precision Surface Mount Chip

Resistors, VSMP Z-Foil Technology Configuration), Screen/TestFlowinCompliance

with EEE-INST-002, (Tables 2A and 3A, Film/Foil, Level 1) and MIL-PRF-55342

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.)

• Tolerance: to 0.02 %

• Power coefficient “ΔR due to self heating”:

5 ppm at rated power

• Power rating: to 400 mW at + 70 °C

Top View

• Load life stability: to 0.03 % at 70 °C, 2000 h at rated

power

INTRODUCTION

• Resistance range: 10 Ω to 75 kΩ

The 303134 through to 303138 series is the first surface

mount device to provide high rated power, excellent load life

stability along with extremely low TCR all in one resistor.

• 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)

• Fast thermal stabilization < 1 s

• Electrostatic discharge (ESD) up to 25 000 V

• Short time overload: ≤ 0.02 %

• Non-inductive, non-capacitive design

• Rise time: 1 ns effectively no ringing

• Current noise: - 42 dB

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

303134 through to 303138 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). Along with the

inherently low PCR and TCR, Z-Foil technology also

provides remarkably improved load life stability, low noise

and availability of tight tolerance.

• Voltage coefficient < 0.1 ppm/V

• Non-inductive: < 0.08 µH

• Non hot spot design

• Terminal finish: tin/lead alloy

• Matched sets are available on request

The 303134 through to 303138 series has a full wraparound

termination which ensures safe handling during the

manufacturing process, as well as providing stability during

multiple thermal cyclings.

• For prototype units, append a “U” to the model number

(example: 303134U). These units have all of the table 2A

(page 3) 100 % tests performed, with no destructive

qualification testing required (table 3A, page 4). For more

information, please contact foil@vishay.com

Our application engineering department is available to

advise and make recommendations.

FIGURE 1 - POWER DERATING CURVE

TABLE 1 - TOLERANCE AND TCR VS.

RESISTANCE VALUE

(- 55 °C to + 125 °C, + 25 °C ref.)

RESISTANCE

+ 70 °C

- 55 °C

TOLERANCE

(%)

MAXIMUM TCR

(ppm/°C)

100

VALUE

(Ω)

250 to 75K

100 to < 250

50 to < 100

25 to < 50

0.02

0.05

0.1

0.25

0.5

- 75 - 50 - 25

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

10 to < 25

Ambient Temperature (°C)

Document Number: 63169

Revision: 22-Oct-09

For any questions, contact: foil@vishay.com

www.vishay.com

12 3 4 5 6

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与303135-264R-C-B-W相关器件

型号	品牌	获取价格	描述	数据表
303135-277R-B-B-W	VISHAY	获取价格	Fixed Resistor, Metal Foil, 0.15W, 277ohm, 46V, 0.1% +/-Tol, -.2,.2ppm/Cel, 1206,
303135-324R-Q-B-T	VISHAY	获取价格	Fixed Resistor, Metal Foil, 0.15W, 324ohm, 46V, 0.02% +/-Tol, -.2,.2ppm/Cel, 1206,
303135-430R-D-B-W	VISHAY	获取价格	Fixed Resistor, Metal Foil, 0.15W, 430ohm, 46V, 0.5% +/-Tol, -.2,.2ppm/Cel, 1206,
303135-464R-C-B-W	VISHAY	获取价格	Fixed Resistor, Metal Foil, 0.15W, 464ohm, 46V, 0.25% +/-Tol, -.2,.2ppm/Cel, 1206,
303135-536R-B-B-T	VISHAY	获取价格	Fixed Resistor, Metal Foil, 0.15W, 536ohm, 46V, 0.1% +/-Tol, -.2,.2ppm/Cel, 1206,
303135-549R00-QBT	VISHAY	获取价格	Fixed Resistor, Metal Foil, 0.15W, 549ohm, 46V, 0.02% +/-Tol, 0.2ppm/Cel, Surface Mount, 1
303135-549R00-QBW	VISHAY	获取价格	Fixed Resistor, Metal Foil, 0.15W, 549ohm, 46V, 0.02% +/-Tol, 0.2ppm/Cel, Surface Mount, 1
303135-556R00-QBT	VISHAY	获取价格	Fixed Resistor, Metal Foil, 0.15W, 556ohm, 46V, 0.02% +/-Tol, 0.2ppm/Cel, Surface Mount, 1
303135-556R00-QBW	VISHAY	获取价格	Fixed Resistor, Metal Foil, 0.15W, 556ohm, 46V, 0.02% +/-Tol, 0.2ppm/Cel, Surface Mount, 1
303135-556R-A-B-T	VISHAY	获取价格	Fixed Resistor, Metal Foil, 0.15W, 556ohm, 46V, 0.05% +/-Tol, -.2,.2ppm/Cel, 1206,

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