Datasheet ULR (TT Electronics) - 4

Metal Element
Metal Element
Metal Element Current Sense Resistor Curr
Cur
e
r
nt Sense Resistor
ent Sense Resistor
ULR Series
ULR Series
ULR Series Electrical Connections Electrical Connections
4-wire pad layout 5 2 2 1
Electrical Connections
2-wire pad layout 2 1 5 2 4-wire measurement points 2 1 5 2 2512 a 4-wire measurement points 5 2 a 2 1 4-wire pad layout 2 1 5 2 2-wire pad layout 5 2 2 1 4-wire measurement points 5.4 2 1 5 2 2-wire pad layout 2 1 5 2 a 4-wire measurement points 5.4 5 2 a 2 1 1.2 5.4 5.4 L Metal Element 1.0 3.45 1.5 L 1.2 Cur 3.45rent Sense Resistor 1.5 L 1.0 L 3.45 1.5 0.5 L u3.45 m m : ti n ULR Series 1.5 n u i 0.5 m m : t m m : ti n u Probe dia. ti n u :L Probe dia. 0.5 mm :t i n u m m u i n 0.5 : t m m n u : ti m m Probe dia. 4 i w - e r l d a p t u o y a 0 1 0 2 2 a p e ri w - d a l u o y t 0 2 0 1 i w - 4 m e r a e r u s m e s t n i o p t n e 0 1 0 2
Electrical Connections
u ti n : m m Probe dia. t 2010 e ri w - 4 a e m e r u s e m t n p n i o s t 0 2 10 w - 4 e ri d a p ay a l t u o 0 1 0 2 w - 2 e ri
Electrical Connections
4-wire pad layout 5 2 2 1
Electrical Connections
al d a p t u o y a 0 1 0 2 w - 4 e m e ri a e r u s p t n e m 2-wire pad layout 2 2 1 5 4.32 n i o s t 0 2 0 1 4-wire measurement points 2 1 5 2 ut 1 0 2 0 4 e ri w - e m a e r u s t n e m 4.32 i o p s t n 0 1 0 2 a a a 1.05 4-wire pad layout 2 1 5 2 a 2-wire pad layout 2 1 5 2 4.32 4-wire measurement points 5.4 5 2 2 1 0.8 L L a 4.32 L a 2.9 1.2 1.05 1.2 5.4 2.9 1.2 0.8 L L 0.5 1.0 3.45 1.5 L unit: mm L 2.9 1.2 1.2 unit: mm 0.5 unit: mm Probe dia. 2.9 1.2 unit: mm Probe dia. L 0.5 1.0 L 3.45 1.5 0.5 unit: mm 4 i w - e r l d a p t u o y a 0 2 1 6 unit: mm 2 0.5 w - p e ri a l d a o y ut 0 2 1 6 unit: mm Probe dia. m e ri w - 4 s a e t n e m e r u s t n i o p 1 0 2 Probe dia.6 n u m : ti m n u m m : ti m : ti n u m Probe dia. t 1206 i w - 4 L unit: mm e r r u s a e m e m e n p t n i o s t 0 2 1 6 0.5 w - 4 e ri d a p y a l t u o 6 0 2 1 w - 2 e ri l d a p t u o y a 6 0 2 1 w - 4 e m e ri a e r u s p t n e m n i o s t 2 1 Probe dia.6 0 n u ti : m m 4 i w - e r l d a p a n u ti m m : t u o y a 0 1 0 2 i w - 2 d a p e r l a m m : ti n u y a t u o 2 1 0 0 ri w - 4 s a e m e 2.6 t n i o p t n e m e r u s 2 0 1 0 ut 0 2 1 6 ri w - 4 e a e m su p t n e m e r n i o s t 6 0 2 1 2.6 w - 4 e ri d a p a ay a l t u o 0.7 0 1 0 2 i w - 2 e r p d aal a u o y a t 2 0 1 0 w - 4 m e ri e r u s a e e m 2.6 t n p 4.32 n i o s t 20 0 1 0.5 L 1.9 1.25 L 2.6 L 1.9 a 1.25 0.7 1.05 a 4.32 0.5 0.5 L L 0.8 1.9 1.25 L L unit: mm unit: mm 0.5 2.9 unit: mm 1.2 Probe dia. L 1.9 1.25 1.05 unit: mm Probe dia. 0.5 L 0.5 unit: mm 0.8 unit: mm 0.5 2.9 unit: mm 1.2 Probe dia. unit: mm L unit: mm unit: mm Probe dia. unit: mm Probe dia.
Note:
These resistors are designed to have the correct ohmic value when mounted on a PCB. Probed measurements may r 0.5 ead higher values and mounting offsets may need to be established to account for this, especially with sub-milliohm values. 4
Package
unit: mm i w - e r l d a p t u o y a
Resistance
0 2 1
a
6 2 i w - r
L
unit: mm
Package Resistance
p e a l d a o y ut 6 0 2 1 unit: mm
a L Package
- 4
Resistance
ri w e m e
a
st n i o p t n e m e r u s a
L
Probe dia. 2 1 6 0
Package Package Package (mΩ) Resistance a L Package Resistance (m
Ω
) (mΩ) Resistance Resistance a a LL (mΩ) a b c d e f Package
2512 - Black w - 4 e ri d a p y a l t u o
Resistance
All
(mΩ) (mΩ) a
2.7 6 0 2 1 w - 2 i
L
1206
Package
0.2 - 0.4
Resistance
2.9 d a p e r a l o y t u 0 2 1 6 4 1 0.75 1.9 0.4
a
w - e m e ri e r u s a n e m 1.550.6 2.15
L
t n i o p t s 0.55 1 0 2 6 0.6
Package
a 1
(mΩ) Resistance
0.5, 0.6, 1, 4 - 6
a
1.55 1.55
L
0.55 a 0.55
(mΩ)
0.5, 0.6 1.55 0.55 0.5 3.13 0.52 2010 0.2 - 0.4 2 - 3 1.35 2.89 1.05 2.6 1.4 0.6 1.55 0.5, 0.6 1.55 0.55 3.08 0.6 2512 - Black 1206 All
(mΩ)
2 - 3 2 – 3, 10 2.7 1.05 1.05 2.9 1.55 1.55 1 1, 4 – 6 1.55 0.55 0.75 0.7 2.93 0.94 2512 - Green 2010 - Green 0.15 - 0.3 4 - 6 2 3.4 1.55 1.0 0.6 0.55 a 1, 4 – 67 – 9 1.55 1.35 0.55 a 1206 2.8 0.6 2010 - Green 0.5 1 4 - 6 3.13 1.55 1.55 0.52 0.55 0.55 0.95 L 2 - 3 0.5 1206 Underside 1.9 0.4 2 – 3, 10 1.05 1.25 1.5 3.4 2.0 2.6 1.55 1 L 2.38 2.04 7 - 9 1.350.6 0.95 3.8 0.6 0.75 2 - 3 2 – 3, 10 1.05 0.5 1.55 7 - 9 0.7 2.93 1.35 2.61 0.94 0.95 1.55 0.3 2010 - Green 4 - 6 1.55 0.55 1.5 1.88 3.04 10 7 – 9 1.05 1.35 1.55 0.5 0.95 0.5 2010 - Green 1 4 - 6 1.55 0.55 L 10 7 – 91, 4 - 5 2.38 1.05 1.35 2.29 2.04 L 1.55 0.95 1.9 7 - 9 1.25 1.35 0.95 2512 - Green unit: mm 2 - 3 1.63 3.54 unit: mm 0.95 1 unit: mm 2.29 0.95 0.5, 1, 4 - 5 2.29 0.95 Probe dia. 11.5 7 - 9 1.88 1.35 2.29 3.04 0.95 0.95 10 1.05 1.55 2010 4, 4.5 0.5, 1, 4 - 5 2, 6 – 8 2.63 2.29 1.99 1.54 0.95 1.55 2 1.99 0.5 1.55 2512 - Green unit: mm 22 - 3 10 1.63 1.05 1.99 3.54 unit: mm 1.55 1.55 1 2, 6 – 8 unit: mm 2.29 1.99 0.95 1.55 5 - 6 3 2.38 1.49 2.04 2.55 2010 a 3 1.49 2.55 Probe dia. 2, 6 – 8 1.99 1.55 2010 34, 4.5 1 2.63 2.29 1.49 1.54 0.95 1206 - Green 2.55 2 3 1.99 1.49 1.55 6.5, 7 1.88 3.04 4 - 5 2.29 0.95 2.55 1206 - Green 9 - 10 1.74 2.05
Package
5 - 6
Resistance
2 4 - 5 3 2.38
a
1.99 2.29 1.49 2.04
L
1.55 0.95 2.55
Package
3
Resistance
1.49
a
2.55 8 - 22 1.63 3.54 1206 - Green
Package
6 - 8 9 - 10
Resistance
1.99 1.74
a
1.55 2.05
LL
2512 - Black 6.5, 7
(mΩ)
3 6 - 8 9 - 10 All 1.88 1.49 1.99 1.742.7 3.04 2.55 1.55 2.05 2.9 4 - 5
(mΩ)
c 2.29 0.95 1206 - Green 9 - 10
(mΩ)
1.74 2.05
Package
2512 - Black 8 - 22
Resistance
All 4 - 5 9 - 10 0.5 1.63
a
2.7 2.29 1.74 3.13 3.54
L
0.95 0.54
Package
2.9 2.05 6 - 8
Resistance
1 1.99
a
1.55 1.55
L Suggested Alternative 4-
0.55
(mΩ) Wire Design Methods
0.5, 0.6 1.55 0.55 0.5 6 - 8 0.75 3.13 1.99 2.93 0.52 1.55 b I+ d 0.94 9 - 10
(mΩ)
2 - 3 1.74 1.05 I- V+ V- 2.05 1.55 2512 - Black All 9 - 10 2.7 1.74 2.9 2.05 1 1, 4 – 6 1.55 0.55 0.75 1 2.93 2.38 0.94 2010 - Green 4 - 6 1.55 0.55 2.04 1206 0.5 3.13 0.52 2 - 3 2 – 3, 10 1.05 f 1.55 1 2.38 2.04 7 - 9 1.35 0.95 0.75 1.5 2.93 1.88 0.94 3.04 2010 - Green 4 - 6 1.55 0.55 2512 - Green 1.5 1.88 3.04 10 7 – 9 1.05 1.35 1.55 2512 - Green 0.95 Note: Nominal values; tolerances not included 2 - 3 1.63 3.54 Underside 1 2.38 2.04 7 - 9e 1.35 0.95 Underside 2 - 3 1.63 3.54 1 2.29 0.95 0.5, 1, 4 - 5 2.29 0.95 1.5 4, 4.5 1.88 2.63 3.04 1.54 10 1.05 1.55 Note: Nominal values; tolerances not included
Wire and Film Technologies Division
4, 4.5 2.63

• 4222 South Staples Street • Corpus Christi 1.54 Texas 78411 USA 2 1.99 1.55 Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com 2512 - Green • 4222 South Staples Street • Corpus Christi Texas 78411 USA 2 - 3 5 - 6 1.63 2.38 3.54 2.04 1 2, 6 – 8 ULR Issue April 2011 Sheet 3 of 6 2.29 1.99 0.95 1.55 5 - 6 2.38 2.04 2010 3 1.49 2.55
Wire and Film Technologies Division
4, 4.56.5, 7 2.63 ULR Issue April 2011 Sheet 3 of 6 1206 - Green 1.88

• 4222 South Staples Street • Corpus Christi 1.54 Texas 78411 USA 2 3 1.99 1.49 1.55 6.5, 7 1.88 3.04 4 - 5 2.29 0.95 2.55 Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com ULR Issue April 2011 Sheet 3 of 6 • 4222 South Staples Street • Corpus Christi Texas 78411 USA 5 - 6 2.38 2.04 3 1.49 2.55 8 - 108 - 10 1.63 1.63 3.54 ULR Issue April 2011 Sheet 3 of 6 1206 - Green 6 - 8 9 - 10 1.99 1.74 1.55 2.05 6.5, 7 1.88 3.04 4 - 5 2.29 0.95 9 - 10 1.74 2.05 Vias with copper traces on internal layers. 8 - 22 1.63 3.54
Suggested Alternative 4-Wire Design Methods
Sense traces on Solder pads beneath the chip 6 - 8 1.99 1.55 9 - 10 1.74 2.05 Sense traces on Solder pads beneath the chip
General Note General No
Gener
t
al Not
e
e BI Technologies IRC Welwyn TT Electronics reserves the right to make changes in product specification without notice or liability. BI Technologies IRC Welwyn TT elect ronics reserves the right to make changes in product specification without notice or liability. cation without notice or liability. All information is subject to TT elect All information is subject to TT Electronics’ own data and is considered accurate at time of going to print. All information is sub ronics’ own data and is conside ject to TT Electronics’ own dat red accurate at time of going to print. Note: Nominal values; tolerances not included a and is considered accurate at time of going to print. www.bitechnologies.com www.irctt.com ww www.ttelectronics.com/resistors www.tt w.welwyn-tt.com electronics.com/resistors ed accurate at time of going to print.
© TT elect
© T
r
T Electr
onics plc
www.bitechnologies.com www.irctt.com www.welwyn-tt.com © TT Electronics plc onics plc Note: Nominal values; tolerances not included
Wire and Film Technologies Division
• 4222 South Staples Street • Corpus Christi Texas 78411 USA Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com 03.14 ULR Issue April 2011 Sheet 3 of 6 06.17 10.22
Wire and Film Technologies Division
03.14

• 4222 South Staples Street • Corpus Christi Texas 78411 USA