BI Technologies Corporation
4200 Bonita Place
Fullerton, CA 92835 USA
Website: www.bitechnologies.com
May 6, 2009 page 1 of 3
BI technologies
MODELS
SFN08A, SFN08B
Isolated and bussed circuits
Thin film resistor network
RoHS compliant available
FEATURES
Precision Nichrome Resistors on Silicon Passivation coating provides protection in humid environments
Industry Standard Packaging 8 pad SON1 4mm square with 0.8 mm pitch (JEDEC MO-229D)
Ratio Tolerances < ± 0.05%
TCR Tracking Tolerances < ± 5 ppm/°C
SCHEMATICS
ELECTRICAL2
Standard Resistance Range3 1K ohms to 100K ohms (Isolated)
1K ohms to 30K ohms (Bussed)
Resistor Tolerances ± 0.25%
Ratio Tolerances ± 0.05%
TCR Reference TCR table
Operating Temperature Range -55°C to +125°C
Interlead Capacitance < 2 pF
Insulation Resistance = 10,000 Megohms
Maximum Operating Voltage 100 Vdc or v PR
Noise, Maximum (MIL-STD-202, Method 308) -25 dB
Resistor Power Rating at 70°C 0.1 Watts
1 Small outline no lead (SON) package is also referred to as quad flat no lead (QFN) or dual flat no lead (DFN) packages.
2 Specifications subject to change without notice.
3 E96 codes available.
SFN08A, SFN08B
BI Technologies Corporation
4200 Bonita Place
Fullerton, CA 92835 USA
Website: www.bitechnologies.com
May 6, 2009 page 2 of 3 BI technologies
PACKAGE POWER, WATTS @ 70°C4
SFN08 0.4
POWER DERATING CURVE
ENVIRONMENTAL (MIL-R-83401)
Thermal Shock plus Power Conditioning ∆R 0.25%
Short Time Overload ∆R 0.1%
Terminal Strength ∆R 0.1%
Moisture Resistance ∆R 0.2%
Mechanical Shock ∆R 0.25%
Vibration ∆R 0.25%
Low Temperature Operation ∆R 0.05%
High Temperature Exposure ∆R 0.1%
Resistance to Solder Heat ∆R 0.1%
Marking Permanency Per MIL-STD-202, Method 215
Flammability UL-94V-0 Rated
Storage Temperature Range -55°C to +125°C
MECHANICAL
Pad Plating 80/20 Tin Lead (non-RoHS compliant)
100 matte Tin (RoHS compliant)
Pad Material Copper Alloy
Pad Coplanarity 0.003” (0.08 mm)
Substrate Material Silicon
Resistor Material Passivated Nichrome
Body Material Molded Epoxy
4 Maximum power per resistor @ 70°C is 100 mW, not to exceed package power.
SFN08A, SFN08B
BI Technologies Corporation
4200 Bonita Place
Fullerton, CA 92835 USA
Website: www.bitechnologies.com
May 6, 2009 page 3 of 3 BI technologies
ORDERING INFORMATION5
PACKAGE TYPE
Package Codes Package Size Pad count Mechanical Outline
SON FN 4mm x 4mm 8 MO-229D
RESISTANCE
First 3 digits are significant. Fourth digit denotes number of trailing zeros. For values less than 100, use “R” to denote a
decimal point. Example, 51 and 10000 ohms are coded as 51R0 and 1002 respectively. Standard values follow E96.
RESISTANCE TOLERANCE
Accuracy Code at 25°C CA CB D FA F G J
Absolute Resistance Tolerances (%) ± 0.25 ± 0.25 ± 0.5 ± 1.0 ± 1.0 ± 2.0 ± 5.0
Ratio Tolerances (R1 Ref) (%) ± 0.05 ± 0.1 ± 0.1 ± 0.05 ± 1.0 N/A N/A
TEMPERATURE COEFFICIENT OF RESISTANCE (TCR)
TCR Code (-55°C to 125°C) Q P S L
Absolute (ppm/°C) ± 25 ± 50 ± 100 ± 200
Tracking (R1 Ref) (ppm/°C) ± 5 ± 5 N/A N/A
BULK PACKAGING OPTIONS
Quantity
Model + Pad Count 7” Reel 13” Reel
SFN08 1000 3000
5 Contact customer service for custom designs and features.
S FN 8 A XXXX F S LF 13
Model Series:
S = Passivated Nichrome
on Silicon
Package Type:
Pad Count:
Circuit Type:
A=Isolated
B=Bussed
Bulk packaging option:
7=7” Tape & Reel
13 = 13" Tape & Reel
Lead Finish:
No Code=SnPb
LF=Lead Free (RoHS)
TCR Code:
Tolerance Code:
Resistance code:
