MMU 0102, MMA 0204, MMB 0207 - Professional

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Vishay Beyschlag

Revision: 20-Jan-2026

11

Document Number: 28713

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Notes

(1) The quoted IEC standards are also released as EN standards with the same number and identical contents

(2) Special requirements apply to MICRO-MELF, MMU 0102:

•

R < 100 Ω: ± (0.25 % R + 10 mΩ)

• 100

Ω ≤ R ≤ 221 kΩ: ± 0.1 % R

• 221 k

Ω < R: ± 0.25 % R

8.5

-

Electrostatic

discharge

(Human Body

Model)

IEC 61340-3-1 (1);

3 pos. + 3 neg. discharges

MMU 0102: 1.5 kV

MMA 0204: 2 kV

MMB 0207: 4 kV

± (0.5 %

R + 0.05 Ω)

11.1

58 (Td)

Solderability

Solder bath method;

SnPb40;

non-activated flux;

(215 ± 3) °C; (3 ± 0.3) s

Good tinning (

≥ 95 % covered); no visible damage

Solder bath method;

SnAg3Cu0.5 or SnAg3.5;

non-activated flux;

(235 ± 3) °C; (2 ± 0.2) s

Good tinning (

≥ 95 % covered); no visible damage

11.2

58 (Td)

Resistance

to soldering

heat

Solder bath method;

(260 ± 5) °C; (10 ± 1) s

± (0.05 %

R

+ 10 m

Ω)

± (0.1 %

R

+ 10 m

Ω)

± (0.25 %

R

+ 10 m

Ω)

± (0.25 %

R

+ 10 m

Ω)

Reflow method 2

(IR/forced gas convection);

(260 ± 5) °C; (10 ± 1) s

± (0.02 %

R

+ 10 m

Ω)

± (0.05 %

R

+ 10 m

Ω)

± (0.05 %

R

+ 10 m

Ω)

± (0.1 %

R

+ 10 m

Ω)

11.3

45 (XA)

Component

solvent

resistance

Isopropyl alcohol;

50 °C; method 2

No visible damage

Solvent

resistance

of marking

Isopropyl alcohol;

50 °C; method 1, toothbrush

Marking legible; no visible damage

9.7

21 (Ue3)

Shear

(adhesion)

45 N

No visible damage

9.8

21 (Ue1)

Substrate

bending

Depth 2 mm,

3 times

No visible damage, no open circuit in bent position

± (0.05 %

R + 5 mΩ) (2)

12.2

-

Voltage proof

URMS = Uins; 60 s

No flashover or breakdown

12.4

-

Flammability

IEC 60695-11-5 (1),

needle flame test; 10 s

No burning after 30 s

TEST PROCEDURES AND REQUIREMENTS

EN

60115-1

CLAUSE

IEC

60068-2 (1)

TEST

METHOD

TEST

PROCEDURE

REQUIREMENTS

PERMISSIBLE CHANGE (

ΔR)

Stability for product types:

STABILITY

CLASS 0.25

OR BETTER

STABILITY

CLASS 0.5

OR BETTER

STABILITY

CLASS 1

OR BETTER

STABILITY

CLASS 2

OR BETTER

MMU 0102

10

Ω to 221 kΩ

1

Ω to < 10 Ω

< 1

Ω

> 221 k

Ω

MMA 0204

10

Ω to 332 kΩ

1

Ω to < 10 Ω

< 1

Ω

> 332 k

Ω

MMB 0207

10

Ω to 1 MΩ

1

Ω to < 10 Ω

< 1

Ω

> 1 M

Ω