Resistors
Wire Bondable
WChiriep BRoensdisatbolres
CWBhC SiepriesResistors
Discrete or tapped schematics
MIL inspection available
WBHCigSherreiessistor density
• Discrete or tapped schematics
• MIL inspection available
• High resistor density
All parts are Pb-free and comply with EU Directive 2011/65/EU (RoHS2)
IRC’s WBC series wire bondable chip resistors are ideally suited for the most demanding hybrid application.
The WBC combines IRC’s TaNSil® tantalum nitride thin film technology with silicon substrate processing to
produce an extremely small tantalum nitride thin film technology with silicon substrate processing to produce
an extremely small footprint device with the proven stability, reliability and moisture performance of IRC’s TaNSil®
resistor film.
Available in a wide range of tolerances and temperature coefficients to fit a variety of hybrid circuit applica-
tions. Custom resistance values, sizes and schematics are available on request from the factory.
Physical Data Electrical Data
R0202 - Discrete
Absolute Tolerance to ±0.1%
0.020˝ ± 0.001 (0.508mm ± 0.025) Absolute TCR to ±25ppm/°C
R
Package Power Rating 250mW
0.004˝ min bond pad size (@ 70°C)
0.020˝ ±0.001 Rated Operating Voltage
(0.508mm ±0.025) (not to exceed √P x R ) 100V
B0202 - Discrete back contact1 Operating Temperature -55°C to +150°C
Back contact
0.020˝ ± 0.001 (0.508mm ± 0.025) Noise <-30dB
R Oxidized Silicon
Top contact Substrate Material (10KÅ SiO2 min)
pad chamfered Top contact
0.020˝ ±0.001 0.004˝ min bond pad size
(0.508mm ±0.025) Substrate Thickness 0.010˝ ±0.001
(0.254mm ±0.025)
T0303 - Tapped network ½R + ½R Aluminum 10KÅ minimum
Bond Pad
Metallization Gold1
(0.762mm ± 0.025) 15KÅ minimum
0.030˝ ± 0.001 R0202 and Silicon
½R ½R T0303 (Al / Au optional)
Backside
B02021 3KÅ Au minimum
10KÅ Al minimum
0.030˝ ±0.001 0.004˝ min bond pad size Silicon Dioxide or
(0.762mm ±0.025) Passivation Silicon Nitride
Note 1: Not recommended for new designs
General Note
IRC reserves the right to make changes in product specification without notice or liability.
All information is subject to IRC’s own data and is considered accurate at time of going to print. A subsidiary of
© IRC Advanced Film Division • Corpus Christi Texas 78411 USA TT electronics plc
TeGleephnoneer:a36l1N99o2 7t9e00 • Facsimile: 361 992 3377 • Website: www.irctt.com BI WBC Series Issue January 2009 Sheet 1 of 3
Technologies IRC Welwyn
TT Electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print. http://www.ttelectronics.com/resistors
© TT Electronics plc
05.17
WWireirBeonBdabolendable
Chip Resistors
CWBhC SiepriesResistors
Power Derating Data TCR/Inspection Code Table
Absolute TCR Commercial MIL Inspection
Code Code*
±300ppm/°C 00 04
±100ppm/°C 01 05
±50ppm/°C 02 06
±25ppm/°C 03 07
*Notes: Product supplied to Class H of MIL-PRF 38534 includes 100% visual inspection
Manufacturing Capabilities Data
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Best AbTsCoRlute TCR
((TT00330303onolyn) ly)
10Ω - 20Ω 0202 only GJK N/A +-100ppm/C N/A
1201ΩΩ --5200ΩΩ 0202 and 0G303J K FGJK FGJ FGJ ±+1-10000ppppmm//°CC +±-5500ppppmm/C/°C
51Ω - 100Ω 0202 and 0303 CDFGJK CDFGJ +-100ppm/C +-25ppm/C
12011ΩΩ --25000ΩΩ 0202 and F03G03J K CDFGJK F G J CDFGJ ±+1-0500ppppmm//C°C +±-1500ppppmm/C/°C
201Ω - 500Ω 0202 and 0303 BCDFGJK BCDFGJ +-50ppm/C +-5ppm/C
55011ΩΩ -- 919090ΩΩ 0202 anCd D030F3G J K BCDFGJK C D F GB JC D F G J ±+1-0205ppppmm//C°C +±-225pppmpm/C/°C
1.0KΩ - 400KΩ 0202 and 0303 BCDFGJK ABCDFGJ +-25ppm/C +-2ppm/C
401KΩ - 800KΩ 0303 only BCDFGJK ABCDFGJ +-25ppm/C +-2ppm/C
101Ω - 200Ω CDFGJK CDFGJ ±50ppm/°C ±10ppm/°C
201Ω - 500Ω BCDFGJK BCDFGJ ±50ppm/°C ±5ppm/°C
501Ω - 999Ω BCDFGJK BCDFGJ ±25ppm/°C ±2ppm/°C
1.0KΩ - 1.0MΩ BCDFGJK ABCDFGJ ±25ppm/°C ±2ppm/°C
© IRC Advanced Film Division • Corpus Christi Texas 78411 USA WBC Series Issue January 2009 Sheet 2 of 3
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
General Note BI Technologies IRC Welwyn
TT Electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print. http://www.ttelectronics.com/resistors
© TT Electronics plc
05.17
WWirierBeonBdaobnle dable
Chip Resistors
CWBhC SiepriesResistors
Environmental Data
Test Method Max R Typical R
MIL-STD-202
Thermal Shock Method 107 ±0.1% ±0.02%
Test condition F
MIL-STD-883
High Temperature Exposure Method 1008 ±0.1% ±0.05%
150°C, 1000 hours
Low Temperature Storage -55°C, 1000 hours ±0.03% ±0.01%
MIL-STD-202
Life Method 108 ±0.5% ±0.01%
70°C, 1000 hours
MIL-STD-202
Life at Elevated Temperature Method 108 ±0.5% ±0.05%
125°C, 1000 hours
Ordering Data
Prefix WBC R0202 A S 01 1002 F B
Style
R0202 = Discrete Element
B0202 = Discrete Element with Back Contact1
T0303 = Tapped Network
Bonding pads
A = Aluminum; G = Gold1
Backside
A = Aluminum; G = Gold; S = Silicon
TCR/Inspection Code
Reference TCR/Inspection Code Table
Total Resistance (R)
4-Digit Resistance Code Ex: 1002 = 10K Ω ; 50R1 = 50.1Ω
Absolute Tolerance Code
K = ±10%; J = ±5%; G = ±2%; F = ±1%; D = ±0.5%; C = ±0.25%; B = ±0.1%
Ratio Tolerance Code (T0303 Only)
J = ±5%; G = ±2%; F = ±1%; D = 0.5%; C = ±0.25%; B = ±0.1%; A = ±0.05%
Packaging
Standard packaging is 2˝ x 2˝ chip tray. For additional information or to discuss your
specific requirements, please contact our Applications Team using the contact details below.
Note 1: Not recommended for new designs
© IRC Advanced Film Division • Corpus Christi Texas 78411 USA WBC Series Issue January 2009Sheet3 of 3
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
General Note BI Technologies IRC Welwyn
TT Electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print. http://www.ttelectronics.com/resistors
© TT Electronics plc
05.17