Type C2Q

3 / 4

Bel Fuse Inc.

300 Executive Drive, Suite 300

West Orange, NJ 07052 USA

+1 201.432.0463

Bel.US.CS@belf.com

belfuse.com/circuit-protection

© 2025 Bel Fuse, Inc.

Rev. C2Q Feb2025

Soldering Parameters

Fuse FGNO Explanation

0686 - [XXXX] -XX

0686=C2Q; [XXXX]=Ampere Rating; XX=See

Ordering Information as below

Fraction

Decimal

Milliamps

Bel FGNO[XXXX]

Fraction

Decimal

Amps

Bel FGNO[XXXX]

Shock Resistance

MIL-STD-202G, Method 213B, Test Condition 1

(100 G's peak for 6 milliseconds; Sawtooth waveform)

Vibration Resistance

MIL-STD-202G, Method 201A (10-55 Hz, 0.06 inch, total excursion).

Salt Spray Resistance

MIL-STD-202G, Method 101E, Test Condition B (48 hrs.).

Insulation Resistance

MIL-STD-202G, Method 302, Test Condition A

(After Opening) 10,000 ohms minimum.

Solderability

MIL-STD-202G, Method 208H

Resistance to solder Heat

MIL-STD-202G, Method 210F, Test Condition C. Top Side (260℃,20 sec)

MIL-STD-202G, Method 210F, Test Condition D. Bottom Side (260℃,10 sec)

Thermal Shock

MIL-STD-202G, Method 107G, Test Condition B (-65℃ to +125℃).

Operating Temperature

-55℃ to +125℃

Moisture Sensitivity Level

1 (According to IPC J-Std-020)

Board flex(SMD)

AEC-Q200-005

Terminal strength

AEC-Q200-006

Electrical characterization

3 temperature electrical

IR Reflow Profile (IPC/JEDEC J-STD-020D)

Preheat & Soak

Temperature min (Tsmin)

Temperature max (Tsmax)

Time (Tsmin to Tsmax) (ts)

150℃

200℃

60-120 seconds

Average ramp-up rate (Tsmax to Tp)

3℃/second max.

Liquidous temperature (TL)

Time at liquidous (tL)

217℃

60-150 seconds

Peak temperature (Tp)

260℃ max

Time (tp) within 5℃ of the specified

classification temperture (Tc)

30 seconds

Average ramp-down rate (Tp to Tsmax)

6℃/second max.

Time 25℃ to peak temperature

8 minutes max.

Lead-free Wave Soldering Profile

Wave Soldering Parameter

Average ramp-up rate

200℃ / second

Heating rate during preheat

typical 1 - 2℃ / second

Max 4℃ / second

Final preheat temperature

within 125℃ of soldering

temperature

Peak temperature Tp

260℃

Time within +0℃ / -5℃ of actual

peak temperature

10 seconds

Ramp-down rate

5℃ / second max.

Specifications subject to change without notice