Ultra-low Ohmic Resistors for Current Detection
PMR50
Features 1) Ultra low-ohmic resistance range (1m~) 2) Improved current detection accuracy by trimming-less structure. Highly recommended for large current / High speed switching circuit. 3) Completely Pb free product 4) ISO9001- / ISO/TS 16949- approved Rating
Item Rated power Conditions For resistors operated at the ambient temperature in excess of 70℃, the load shall be derated in accordance with Fig.1
100 80
POWER LOAD (%)
Specifications 1W at 70°C
60 40 20 0
−55
0
70
100
125
155
AMBIENT TEMPERATURE (°C)
Fig.1 Rated voltage Rated current Rated voltage and current are determined from the following. E= P×R E= P / R Nominal resistance Operating temperature See Table 1. −55°C to +155°C E: Rated voltage (V) I : Rated current (A) P: Rated power (W) R: Resistance (Ω)
Table.1 RESISTANCE (mΩ) 1,2,3,4 5,6,7,8,9,10 TOLERANCE F (±1%) J (±5%) SPECIAL CODE V ±100 U TEMPERATURE COEFFICIENT (ppm / ˚C)
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2010.10 - Rev.D
PMR50
Characteristics
Item Resistance Guaranteed value Resistor type F : ±1% J : ±5% Test conditions (JIS C 5201-1) JIS C 5201-1 4.5 Measuring method : Measure under terminations by 4 probes. Fig.2 (Under terminations) probes
Data Sheet
Variation of resistance with temperature Overload
See Table.1 ± (2.0%+0.0005Ω)
JIS C 5201-1 4.8 Measurement : 25 / -55 / +25 / +125°C JIS C 5201-1 4.13 Rated voltage (current) ×2.5, 2s. JIS C 5201-1 4.17 Rosin·Ethanol (25%WT) Soldering condition : 235±5°C Duration of immersion : 2.0±0.5s. JIS C 5201-1 4.18 Soldering condition : 260±5°C Duration of immersion : 10±1s. JIS C 5201-1 4.19 Test temp. : −55°C to +125°C 5cyc JIS C 5201-1 4.24 40°C, 93%RH Test time : 56days JIS C 5201-1 4.25.1 Rated power, 70°C 1.5h : ON − 0.5h : OFF Test time : 1,000h to 1,048h JIS C 5201-1 4.25.3 155°C Test time : 1,000h to 1,048h JIS C 5201-1 4.29 23°C±5°C Solvent : 2-propanol JIS C 5201-1 4.33
Solderability
A new uniform coating of minimum of 95% of the surface being immersed and no soldering damage. ± (1.0%+0.0005Ω) No remarkable abnormality on the appearance. ± (1.0%+0.0005Ω) ± (3.0%+0.0005Ω)
Resistance to soldering heat Rapid change of temperature Damp heat, steady state
± (3.0%+0.0005Ω) Endurance at 70°C ± (3.0%+0.0005Ω) Endurance ± (0.5%+0.0005Ω)
Component Solvent Resistance Bend strength of the end face plating
Without open.
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2010.10 - Rev.D
PMR50
Dimensions&Construction
(The Surface)
Resistance
Data Sheet
Measure
L ± 0.20 W ± 0.20 t ± 0.15 0.52 0.42 0.52 0.42 5.00 2.50 0.42 0.32 0.32 0.32 0.32 0.32 0.50 a ± 0.20 b ± 0.20 1.85 1.30 1.40 1.40 1.05 1.40 1.10 0.90 1.10 0.90
(Unit:mm)
1L00
a
c ± 0.20
W
1mΩ 2mΩ 3mΩ 4mΩ 5mΩ 6mΩ
1.95
(The back)
c
7mΩ 8mΩ 9mΩ 10mΩ
⑤
●●● ● ●●●
b
⑥
●●● ● ●●●
②
No. ① ② ③ ④ ⑤ ⑥
Material
Resistive metal element(Ni-Cu/Ni-Cr Alloy) Primary electrode(Cu) Middle electrode(Ni) External electrode(Sn) Overcoat(Resin:Black) Marking(Resin:Yellow)
(The cross section) ①
③ ④ ②
t
●●●●●● ●●●●●● ●●●●●● ●●●●●● ●●●●●● ●●●●●● ●●●●●● ● ●●●●●● ●●●●●● ●●●●●● ●●●●●● ●●●●●● ●●●●●● ● ●●●●●●
⑤
L
Part No. Explanation
PMR5 0
Part No.
HZP
J
V
Special part number
U V 5 to 10mΩ 1 to 4mΩ
Resistance tolerance
F J
Nominal resistance
Resistance code, 3 or 4 digits.
Resistance tolerance F J
Resistance Value (Ω) 1mΩ 2mΩ 3mΩ 4mΩ 5mΩ 6mΩ 7mΩ 8mΩ 9mΩ 10mΩ
±1% ±5%
Resistance code : : 4 digits 3 digits
Resistance Tolerance J F 1L0 1L00 2L0 2L00 3L0 3L00 4L0 4L00 5L0 5L00 6L0 6L00 7L0 7L00 8L0 8L00 9L0 9L00 10L 10L0
Packaging Specifications Code
Part No. PMR50 Code HZP Resistance tolerance J(±5%) F(±1%) Packaging specifications Embossed tape (4mm Pitch) Reel Basic ordering unit (pcs) 2,000
φ180mm (7in.)
R eel ( φ 180) : Compatible with JEITA standard "EIAJ ET-7200B" : Standard product
Packaging
Reel
P0
Taping
P2
φD
E
0
08
06
04
02
B0
A
B
D
W F
02 04 06 08
A0
P1
K
C Label EIAJ ET-7200B compliant
(Unit : mm)
W 12.0±0.3 D0
F 5.5±0.05 P0 4.0±0.1
E 1.75±0.1 P1 4.0±0.1
A0 2.9±0.2 P2 2.0±0.05
B0 5.3±0.2 K Max. 1.1
(Unit : mm) A B C D
φ180
0 −1.5
φ60
+1 0
13
+1.0 0
φ13±0.2
φ1.5 +0.1 0
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2010.10 - Rev.D
Notice
Notes
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R1010A