MF08W Просмотр технического описания (PDF) - Unspecified

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MF08W

Precision Thin Film Chip Resistors

Unspecified 

Approval Sheet

TEST AND REQUIREMENTS

TEST

PROCEDURE

REQUIREMENT

Resistor

Electrical Characteristics

IEC 60115-1 4.8

- DC resistance values measurement

- Temperature Coefficient of Resistance (T.C.R)

Natural resistance change per change in

centigrade.

Within the specified tolerance

degree

( ) R2 − R1

R1 t2 − t1

× 10 6 (ppm/°C)

t1 : 20°C+5°C-1°C

R1 : Resistance at reference temperature (20°C+5°C/-

1°C)

Short time overload

(S.T.O.L)

IEC 60115-1 4.13

R2 : Resistance at test temperature (-55°C or +125°C)

Permanent resistance change after a 5second application ∆R/R max. ±(0.1%+0.02Ω)

of a voltage 2.5 times RCWV or the maximum overload

voltage specified in the above list, whichever is less.

Resistance to soldering

heat(R.S.H)

AEC-Q200-15

Un-mounted chips completely immersed for 10±1second no visible damage

in a SAC solder bath at 260℃±5ºC

∆ R/R max. ±(0.1%+0.02Ω)

Solderability

IEC 60068-2-58

Temperature cycling

JESD22 method JA-104

Un-mounted chips completely immersed for 2±0.5 second good tinning (>95% covered)

in a SAC solder bath at 235℃±5℃

no visible damage

1,000 cycles, -55℃ ~ +125℃, dwell time 5~10min

∆R/R max. ±(0.1%+0.02Ω)

1,000 cycles, -55℃ ~ +155℃, dwell time 5~10min

∆R/R max. ±(0.2%+0.02Ω)

Bias Humidity

AEC-Q200-7

1,000 +48/-0 hours, loaded with 10% rated power in

humidity chamber controller at +85℃/ 85%RH

∆R/R max. ±(0.1%+0.02Ω)

Load Life

IEC 60115-1 4.25

Operational Life

AEC-Q200-8

MIL-STD-202 -108

1,000 +48/-0 hours, loaded with RCWV or Vmax in

chamber controller 85 ±2ºC, 1.5 hours on and 0.5 hours

off

1,000 hours at 125±2°C, loaded with rated power

continuously

High Temperature

Exposure

AEC-Q200-3

1,000 hours 125℃, un-powered

1,000 hours 155℃, un-powered

Moisture Resistance

65±2°C, 80~100% RH, 10 cycles, 24 hours/ cycle

AEC-Q200-6

MIL-STD-202 Method 106

∆R/R max. ±(0.1%+0.02Ω)

∆R/R max. ±(0.1%+0.02Ω)

∆R/R max. ±(0.1%+0.02Ω)

∆R/R max. ±(0.15%+0.02Ω)

∆R/R max. ±(0.1%+0.02Ω)

Mechanical Shock

1/2 Sine Pulse / 1500g Peak / Velocity 15.4ft/sec

MIL-STD-202 Method 213

∆R/R max. ±(0.1%+0.02Ω)

Page 8 of 13

ASC_MFxxF&W

Dec - 2018

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