303261-493R00-DBW datasheet, PDF

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303261-493R00-DBW: DescriptionFixed Resistor, Metal Foil, 0.05W, 493ohm, 14V, 0.5% +/-Tol, -3,3ppm/Cel, 0603,; CategoryPassive components The resistor; File Size775KB，7 Pages; ManufacturerVishay; Websitehttp://www.vishay.com

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303261-493R00-DBW Overview

Fixed Resistor, Metal Foil, 0.05W, 493ohm, 14V, 0.5% +/-Tol, -3,3ppm/Cel, 0603,

303261-493R00-DBW Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Objectid	285156918
Reach Compliance Code	compliant
Country Of Origin	Israel
ECCN code	EAR99
YTEOL	10
structure	Rectangular
JESD-609 code	e0
Number of terminals	2
Maximum operating temperature	150 °C
Minimum operating temperature	-55 °C
Package height	0.64 mm
Package length	1.6 mm
Package shape	RECTANGULAR PACKAGE
Package form	SMT
Package width	0.81 mm
method of packing	Waffle Pack
Rated power dissipation(P)	0.05 W
resistance	493 Ω
Resistor type	FIXED RESISTOR
series	303261
size code	0603
technology	METAL FOIL
Temperature Coefficient	3 ppm/°C
Terminal surface	Tin/Lead (Sn/Pb)
Tolerance	0.5%
Operating Voltage	14 V

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303261, 303262, 303263, 303264, 303265, 303266

Ultra High-Precision Wrap-Around Chip echnologyConfiguration

UltraHigh-PrecisionWrap-AroundChipResistors,FRSMZ1FoilTResistors,

FRSM Z1 Foil Technology Configuration

Screen/Test Flow in Compliance with

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

FEATURES

• Temperature coefficient of resistance (TCR) (see table 1

and fig. 3):

±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 400 mW at +70°C (see table 2)

•

Load life stability: ±0.02% after 2,000 hrs at 70°C at

rated power.

• Resistance range: 10 Ω to 75 kΩ (for higher and lower

values, please contact us)

• Bulk Metal

Foil resistors are not restricted to standard

values; specific “as required” values can be supplied at

no extra cost or delivery (e.g., 1K2345 vs. 1K)

• Thermal stabilization time: <1 s (within 10 ppm of steady

state value)

• Electrostatic discharge (ESD): at least to 25 kV

• Short time overload: ≤0.005% typical

• Rise time: 1 ns, effectively no ringing

• Current noise: <0.010 μV

RMS

/V of applied voltage

(<–40 dB)

• Non-inductive: <0.08 μH

• Non-hot spot design

• Terminal finishes available: tin/lead alloy

• Matched sets are available on request

• Fast prototype quantities are available. For more

information, please contact us.

• For higher temperature application up to +240°C and for

better performances, please contact us.

• Adding “U” to the model number (example: 303261U).

These units have all of the Table 2A (page 5) 100% tests

performed, with no destructive qualification testing

required (Table 3A, page 6). For more information,

please contact

foil@vpgsensors.com.

Top View

INTRODUCTION

The 303261 through 303266 series, tested per

EEE-INST-002 and MIL-PRF-55342, is based on the

new generation Z1 Foil Technology of the Bulk Metal

precision foil resistor elements by Vishay Foil Resistors

(VFR), which makes these resistors virtually insensitive

to destabilizing factors. Their element, based on the Z1

Foil Technology, is a solid alloy that displays the desirable

bulk properties of its parent material; thus, it is inherently

stable (remarkably improved load life stability of 25 ppm),

noise-free and withstands ESD to 25 kV or more. The

alloy is matched to the substrate and forms a single

entity with balanced temperature characteristics for an

unusually low and predictable TCR over a wide range

from –55°C to +150°C. Resistance patterns are photo-

etched to permit trimming of resistance values to very

tight tolerances.

The 303261 through 303266 series has a full wraparound

termination which ensures reliable handling during the

manufacturing process, as well as providing stability

during multiple thermal cycles.

Our application engineering department is available to

advise and make recommendations. For non-standard

technical requirements and special applications, please

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