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
8 pad SON1 4mm square with 0.8 mm pitch (JEDEC MO-229D)
Industry Standard Packaging
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
1
2
0.1 Watts
Small outline no lead (SON) package is also referred to as quad flat no lead (QFN) or dual flat no lead (DFN) packages.
Specifications subject to change without notice.
3
E96 codes available.
BI Technologies Corporation
4200 Bonita Place
Fullerton, CA 92835 USA
Website: www.bitechnologies.com
May 19, 2009
page 1 of 3
BI technologies
SFN08A, SFN08B
PACKAGE POWER, WATTS @ 70°C 4
SFN08
0.4
POWER DERATING CURVE
ENVIRONMENTAL (MIL-R-83401)
∆R 0.25%
Thermal Shock plus Power Conditioning
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.
BI Technologies Corporation
4200 Bonita Place
Fullerton, CA 92835 USA
Website: www.bitechnologies.com
May 19, 2009
page 2 of 3
BI technologies
SFN08A, SFN08B
ORDERING INFORMATION5
S FN 08 A XXXX F S LF 13
Bulk packaging option:
7=7” Tape & Reel
13 = 13" Tape & Reel
Lead Finish:
No Code=SnPb
LF=Lead Free (RoHS)
Model Series:
S = Passivated Nichrome
on Silicon
Package Type:
Pad Count:
TCR Code:
Circuit Type:
A=Isolated
B=Bussed
Tolerance Code:
Resistance code:
PACKAGE TYPE
Package Codes
Package Size
Pad count
Mechanical Outline
FN
4mm x 4mm
8
MO-229D
SON
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
CB
D
FA
F
G
J
Absolute Resistance Tolerances (%)
± 0.25
± 0.5
± 1.0
± 1.0
± 2.0
± 5.0
Ratio Tolerances (R1 Ref) (%)
± 0.1
± 0.1
± 0.05
± 1.0
N/A
N/A
TEMPERATURE COEFFICIENT OF RESISTANCE (TCR)
TCR Code (-55°C to 125°C)
Absolute (ppm/°C)
Tracking (R1 Ref) (ppm/°C)
Q
P
S
L
± 25
± 50
± 100
± 200
±5
±5
N/A
N/A
BULK PACKAGING OPTIONS
Quantity
Model + Pad Count
SFN08
7” Reel
13” Reel
1000
3000
5
Contact customer service for custom designs and features.
BI Technologies Corporation
4200 Bonita Place
Fullerton, CA 92835 USA
Website: www.bitechnologies.com
May 19, 2009
page 3 of 3
BI technologies
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